+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2000-2002 Silicon Graphics, Inc.
* All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it would be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <linux/fs.h>
+#include <setjmp.h>
+#include <sys/uio.h>
+#include <stddef.h>
+#include <stdbool.h>
#include "global.h"
-#ifdef HAVE_ATTR_XATTR_H
-#include <attr/xattr.h>
-#endif
-#ifdef HAVE_ATTR_ATTRIBUTES_H
-#include <attr/attributes.h>
+#ifdef HAVE_BTRFSUTIL_H
+#include <btrfsutil.h>
#endif
#ifdef HAVE_LINUX_FIEMAP_H
#include <linux/fiemap.h>
#endif
-#ifndef HAVE_ATTR_LIST
-#define attr_list(path, buf, size, flags, cursor) (errno = -ENOSYS, -1)
-#endif
#ifdef HAVE_SYS_PRCTL_H
#include <sys/prctl.h>
#endif
+#ifdef AIO
+#include <libaio.h>
+#define AIO_ENTRIES 1
+io_context_t io_ctx;
+#endif
+#ifdef URING
+#include <liburing.h>
+#define URING_ENTRIES 1
+struct io_uring ring;
+bool have_io_uring; /* to indicate runtime availability */
+#endif
+#include <sys/syscall.h>
+#include <sys/xattr.h>
#ifndef FS_IOC_GETFLAGS
#define FS_IOC_GETFLAGS _IOR('f', 1, long)
#define XFS_ERRTAG_MAX 17
#define XFS_IDMODULO_MAX 31 /* user/group IDs (1 << x) */
#define XFS_PROJIDMODULO_MAX 16 /* project IDs (1 << x) */
+#ifndef IOV_MAX
+#define IOV_MAX 1024
+#endif
+
+#ifndef HAVE_RENAMEAT2
+#if !defined(SYS_renameat2) && defined(__x86_64__)
+#define SYS_renameat2 316
+#endif
+
+#if !defined(SYS_renameat2) && defined(__i386__)
+#define SYS_renameat2 353
+#endif
+
+static int renameat2(int dfd1, const char *path1,
+ int dfd2, const char *path2,
+ unsigned int flags)
+{
+#ifdef SYS_renameat2
+ return syscall(SYS_renameat2, dfd1, path1, dfd2, path2, flags);
+#else
+ errno = ENOSYS;
+ return -1;
+#endif
+}
+#endif
+
+#ifndef RENAME_NOREPLACE
+#define RENAME_NOREPLACE (1 << 0) /* Don't overwrite target */
+#endif
+#ifndef RENAME_EXCHANGE
+#define RENAME_EXCHANGE (1 << 1) /* Exchange source and dest */
+#endif
+#ifndef RENAME_WHITEOUT
+#define RENAME_WHITEOUT (1 << 2) /* Whiteout source */
+#endif
#define FILELEN_MAX (32*4096)
typedef enum {
+ OP_AFSYNC,
OP_ALLOCSP,
+ OP_AREAD,
OP_ATTR_REMOVE,
OP_ATTR_SET,
+ OP_AWRITE,
OP_BULKSTAT,
OP_BULKSTAT1,
OP_CHOWN,
+ OP_CLONERANGE,
+ OP_COPYRANGE,
OP_CREAT,
+ OP_DEDUPERANGE,
OP_DREAD,
OP_DWRITE,
OP_FALLOCATE,
OP_FSYNC,
OP_GETATTR,
OP_GETDENTS,
+ OP_GETFATTR,
OP_LINK,
+ OP_LISTFATTR,
OP_MKDIR,
OP_MKNOD,
+ OP_MREAD,
+ OP_MWRITE,
OP_PUNCH,
OP_ZERO,
OP_COLLAPSE,
OP_INSERT,
OP_READ,
OP_READLINK,
+ OP_READV,
+ OP_REMOVEFATTR,
OP_RENAME,
+ OP_RNOREPLACE,
+ OP_REXCHANGE,
+ OP_RWHITEOUT,
OP_RESVSP,
OP_RMDIR,
OP_SETATTR,
+ OP_SETFATTR,
OP_SETXATTR,
+ OP_SNAPSHOT,
+ OP_SPLICE,
OP_STAT,
+ OP_SUBVOL_CREATE,
+ OP_SUBVOL_DELETE,
OP_SYMLINK,
OP_SYNC,
OP_TRUNCATE,
OP_UNLINK,
OP_UNRESVSP,
+ OP_URING_READ,
+ OP_URING_WRITE,
OP_WRITE,
+ OP_WRITEV,
OP_LAST
} opty_t;
typedef struct fent {
int id;
+ int ft;
int parent;
+ int xattr_counter;
} fent_t;
typedef struct flist {
int max;
};
-#define FT_DIR 0
-#define FT_DIRm (1 << FT_DIR)
-#define FT_REG 1
-#define FT_REGm (1 << FT_REG)
-#define FT_SYM 2
-#define FT_SYMm (1 << FT_SYM)
-#define FT_DEV 3
-#define FT_DEVm (1 << FT_DEV)
-#define FT_RTF 4
-#define FT_RTFm (1 << FT_RTF)
-#define FT_nft 5
-#define FT_ANYm ((1 << FT_nft) - 1)
+#define FT_DIR 0
+#define FT_DIRm (1 << FT_DIR)
+#define FT_REG 1
+#define FT_REGm (1 << FT_REG)
+#define FT_SYM 2
+#define FT_SYMm (1 << FT_SYM)
+#define FT_DEV 3
+#define FT_DEVm (1 << FT_DEV)
+#define FT_RTF 4
+#define FT_RTFm (1 << FT_RTF)
+#define FT_SUBVOL 5
+#define FT_SUBVOLm (1 << FT_SUBVOL)
+#define FT_nft 6
+#define FT_ANYm ((1 << FT_nft) - 1)
#define FT_REGFILE (FT_REGm | FT_RTFm)
-#define FT_NOTDIR (FT_ANYm & ~FT_DIRm)
+#define FT_NOTDIR (FT_ANYm & (~FT_DIRm & ~FT_SUBVOLm))
+#define FT_ANYDIR (FT_DIRm | FT_SUBVOLm)
#define FLIST_SLOT_INCR 16
#define NDCACHE 64
#define MAXFSIZE ((1ULL << 63) - 1ULL)
#define MAXFSIZE32 ((1ULL << 40) - 1ULL)
+#define XATTR_NAME_BUF_SIZE 18
+
+void afsync_f(int, long);
void allocsp_f(int, long);
+void aread_f(int, long);
void attr_remove_f(int, long);
void attr_set_f(int, long);
+void awrite_f(int, long);
void bulkstat_f(int, long);
void bulkstat1_f(int, long);
void chown_f(int, long);
+void clonerange_f(int, long);
+void copyrange_f(int, long);
void creat_f(int, long);
+void deduperange_f(int, long);
void dread_f(int, long);
void dwrite_f(int, long);
void fallocate_f(int, long);
void fiemap_f(int, long);
void freesp_f(int, long);
void fsync_f(int, long);
+char *gen_random_string(int);
void getattr_f(int, long);
void getdents_f(int, long);
+void getfattr_f(int, long);
void link_f(int, long);
+void listfattr_f(int, long);
void mkdir_f(int, long);
void mknod_f(int, long);
+void mread_f(int, long);
+void mwrite_f(int, long);
void punch_f(int, long);
void zero_f(int, long);
void collapse_f(int, long);
void insert_f(int, long);
void read_f(int, long);
void readlink_f(int, long);
+void readv_f(int, long);
+void removefattr_f(int, long);
void rename_f(int, long);
+void rnoreplace_f(int, long);
+void rexchange_f(int, long);
+void rwhiteout_f(int, long);
void resvsp_f(int, long);
void rmdir_f(int, long);
void setattr_f(int, long);
+void setfattr_f(int, long);
void setxattr_f(int, long);
+void snapshot_f(int, long);
+void splice_f(int, long);
void stat_f(int, long);
+void subvol_create_f(int, long);
+void subvol_delete_f(int, long);
void symlink_f(int, long);
void sync_f(int, long);
void truncate_f(int, long);
void unlink_f(int, long);
void unresvsp_f(int, long);
+void uring_read_f(int, long);
+void uring_write_f(int, long);
void write_f(int, long);
+void writev_f(int, long);
+char *xattr_flag_to_string(int);
opdesc_t ops[] = {
/* { OP_ENUM, "name", function, freq, iswrite }, */
+ { OP_AFSYNC, "afsync", afsync_f, 0, 1 },
{ OP_ALLOCSP, "allocsp", allocsp_f, 1, 1 },
+ { OP_AREAD, "aread", aread_f, 1, 0 },
{ OP_ATTR_REMOVE, "attr_remove", attr_remove_f, /* 1 */ 0, 1 },
{ OP_ATTR_SET, "attr_set", attr_set_f, /* 2 */ 0, 1 },
+ { OP_AWRITE, "awrite", awrite_f, 1, 1 },
{ OP_BULKSTAT, "bulkstat", bulkstat_f, 1, 0 },
{ OP_BULKSTAT1, "bulkstat1", bulkstat1_f, 1, 0 },
{ OP_CHOWN, "chown", chown_f, 3, 1 },
+ { OP_CLONERANGE, "clonerange", clonerange_f, 4, 1 },
+ { OP_COPYRANGE, "copyrange", copyrange_f, 4, 1 },
{ OP_CREAT, "creat", creat_f, 4, 1 },
+ { OP_DEDUPERANGE, "deduperange", deduperange_f, 4, 1},
{ OP_DREAD, "dread", dread_f, 4, 0 },
{ OP_DWRITE, "dwrite", dwrite_f, 4, 1 },
{ OP_FALLOCATE, "fallocate", fallocate_f, 1, 1 },
{ OP_FSYNC, "fsync", fsync_f, 1, 1 },
{ OP_GETATTR, "getattr", getattr_f, 1, 0 },
{ OP_GETDENTS, "getdents", getdents_f, 1, 0 },
+ /* get extended attribute */
+ { OP_GETFATTR, "getfattr", getfattr_f, 1, 0 },
{ OP_LINK, "link", link_f, 1, 1 },
+ /* list extent attributes */
+ { OP_LISTFATTR, "listfattr", listfattr_f, 1, 0 },
{ OP_MKDIR, "mkdir", mkdir_f, 2, 1 },
{ OP_MKNOD, "mknod", mknod_f, 2, 1 },
+ { OP_MREAD, "mread", mread_f, 2, 0 },
+ { OP_MWRITE, "mwrite", mwrite_f, 2, 1 },
{ OP_PUNCH, "punch", punch_f, 1, 1 },
{ OP_ZERO, "zero", zero_f, 1, 1 },
{ OP_COLLAPSE, "collapse", collapse_f, 1, 1 },
{ OP_INSERT, "insert", insert_f, 1, 1 },
{ OP_READ, "read", read_f, 1, 0 },
{ OP_READLINK, "readlink", readlink_f, 1, 0 },
+ { OP_READV, "readv", readv_f, 1, 0 },
+ /* remove (delete) extended attribute */
+ { OP_REMOVEFATTR, "removefattr", removefattr_f, 1, 1 },
{ OP_RENAME, "rename", rename_f, 2, 1 },
+ { OP_RNOREPLACE, "rnoreplace", rnoreplace_f, 2, 1 },
+ { OP_REXCHANGE, "rexchange", rexchange_f, 2, 1 },
+ { OP_RWHITEOUT, "rwhiteout", rwhiteout_f, 2, 1 },
{ OP_RESVSP, "resvsp", resvsp_f, 1, 1 },
{ OP_RMDIR, "rmdir", rmdir_f, 1, 1 },
+ /* set attribute flag (FS_IOC_SETFLAGS ioctl) */
{ OP_SETATTR, "setattr", setattr_f, 0, 1 },
+ /* set extended attribute */
+ { OP_SETFATTR, "setfattr", setfattr_f, 2, 1 },
+ /* set project id (XFS_IOC_FSSETXATTR ioctl) */
{ OP_SETXATTR, "setxattr", setxattr_f, 1, 1 },
+ { OP_SNAPSHOT, "snapshot", snapshot_f, 1, 1 },
+ { OP_SPLICE, "splice", splice_f, 1, 1 },
{ OP_STAT, "stat", stat_f, 1, 0 },
+ { OP_SUBVOL_CREATE, "subvol_create", subvol_create_f, 1, 1},
+ { OP_SUBVOL_DELETE, "subvol_delete", subvol_delete_f, 1, 1},
{ OP_SYMLINK, "symlink", symlink_f, 2, 1 },
{ OP_SYNC, "sync", sync_f, 1, 1 },
{ OP_TRUNCATE, "truncate", truncate_f, 2, 1 },
{ OP_UNLINK, "unlink", unlink_f, 1, 1 },
{ OP_UNRESVSP, "unresvsp", unresvsp_f, 1, 1 },
+ { OP_URING_READ, "uring_read", uring_read_f, 1, 0 },
+ { OP_URING_WRITE, "uring_write", uring_write_f, 1, 1 },
{ OP_WRITE, "write", write_f, 4, 1 },
+ { OP_WRITEV, "writev", writev_f, 4, 1 },
}, *ops_end;
flist_t flist[FT_nft] = {
{ 0, 0, 'l', NULL },
{ 0, 0, 'c', NULL },
{ 0, 0, 'r', NULL },
+ { 0, 0, 's', NULL },
};
int dcache[NDCACHE];
int errtag;
opty_t *freq_table;
int freq_table_size;
-xfs_fsop_geom_t geom;
+struct xfs_fsop_geom geom;
char *homedir;
int *ilist;
int ilistlen;
int verbose = 0;
int verifiable_log = 0;
sig_atomic_t should_stop = 0;
+sigjmp_buf *sigbus_jmp = NULL;
char *execute_cmd = NULL;
int execute_freq = 1;
struct print_string flag_str = {0};
-void add_to_flist(int, int, int);
+void add_to_flist(int, int, int, int);
void append_pathname(pathname_t *, char *);
-int attr_list_path(pathname_t *, char *, const int, int, attrlist_cursor_t *);
-int attr_remove_path(pathname_t *, const char *, int);
-int attr_set_path(pathname_t *, const char *, const char *, const int, int);
+int attr_list_path(pathname_t *, char *, const int);
+int attr_remove_path(pathname_t *, const char *);
+int attr_set_path(pathname_t *, const char *, const char *, const int);
void check_cwd(void);
+void cleanup_flist(void);
int creat_path(pathname_t *, mode_t);
void dcache_enter(int, int);
void dcache_init(void);
fent_t *dcache_lookup(int);
-void dcache_purge(int);
+void dcache_purge(int, int);
void del_from_flist(int, int);
int dirid_to_name(char *, int);
void doproc(void);
-int fent_to_name(pathname_t *, flist_t *, fent_t *);
-void fix_parent(int, int);
+int fent_to_name(pathname_t *, fent_t *);
+bool fents_ancestor_check(fent_t *, fent_t *);
+void fix_parent(int, int, bool);
void free_pathname(pathname_t *);
int generate_fname(fent_t *, int, pathname_t *, int *, int *);
+int generate_xattr_name(int, char *, int);
int get_fname(int, long, pathname_t *, flist_t **, fent_t **, int *);
void init_pathname(pathname_t *);
int lchown_path(pathname_t *, uid_t, gid_t);
int mkdir_path(pathname_t *, mode_t);
int mknod_path(pathname_t *, mode_t, dev_t);
void namerandpad(int, char *, int);
+int open_file_or_dir(pathname_t *, int);
int open_path(pathname_t *, int);
DIR *opendir_path(pathname_t *);
void process_freq(char *);
int readlink_path(pathname_t *, char *, size_t);
-int rename_path(pathname_t *, pathname_t *);
+int rename_path(pathname_t *, pathname_t *, int);
int rmdir_path(pathname_t *);
void separate_pathname(pathname_t *, char *, pathname_t *);
void show_ops(int, char *);
void usage(void);
void write_freq(void);
void zero_freq(void);
+void non_btrfs_freq(const char *);
void sg_handler(int signum)
{
- should_stop = 1;
+ switch (signum) {
+ case SIGTERM:
+ should_stop = 1;
+ break;
+ case SIGBUS:
+ /*
+ * Only handle SIGBUS when mmap write to a hole and no
+ * block can be allocated due to ENOSPC, abort otherwise.
+ */
+ if (sigbus_jmp) {
+ siglongjmp(*sigbus_jmp, -1);
+ } else {
+ printf("Unknown SIGBUS is caught, Abort!\n");
+ abort();
+ }
+ /* should not reach here */
+ break;
+ default:
+ break;
+ }
}
int main(int argc, char **argv)
exit(1);
}
+ non_btrfs_freq(dirname);
(void)mkdir(dirname, 0777);
if (logname && logname[0] != '/') {
- if (getcwd(rpath, sizeof(rpath)) < 0){
+ if (!getcwd(rpath, sizeof(rpath))){
perror("getcwd failed");
exit(1);
}
exit(1);
}
if (logname) {
- char path[PATH_MAX];
+ char path[PATH_MAX + NAME_MAX + 1];
snprintf(path, sizeof(path), "%s/%s", rpath, logname);
if (freopen(path, "a", stdout) == NULL) {
perror("freopen logfile failed");
for (i = 0; i < nproc; i++) {
if (fork() == 0) {
- action.sa_handler = SIG_DFL;
sigemptyset(&action.sa_mask);
+ action.sa_handler = SIG_DFL;
if (sigaction(SIGTERM, &action, 0))
return 1;
+ action.sa_handler = sg_handler;
+ if (sigaction(SIGBUS, &action, 0))
+ return 1;
#ifdef HAVE_SYS_PRCTL_H
prctl(PR_SET_PDEATHSIG, SIGKILL);
if (getppid() == 1) /* parent died already? */
return 0;
#endif
if (logname) {
- char path[PATH_MAX];
+ char path[PATH_MAX + NAME_MAX + 2 + 11];
snprintf(path, sizeof(path), "%s/%s.%d",
rpath, logname, i);
if (freopen(path, "a", stdout) == NULL) {
}
}
procid = i;
+#ifdef AIO
+ if (io_setup(AIO_ENTRIES, &io_ctx) != 0) {
+ fprintf(stderr, "io_setup failed\n");
+ exit(1);
+ }
+#endif
+#ifdef URING
+ have_io_uring = true;
+ /* If ENOSYS, just ignore uring, other errors are fatal. */
+ if (io_uring_queue_init(URING_ENTRIES, &ring, 0)) {
+ if (errno == ENOSYS) {
+ have_io_uring = false;
+ } else {
+ fprintf(stderr, "io_uring_queue_init failed\n");
+ exit(1);
+ }
+ }
+#endif
for (i = 0; !loops || (i < loops); i++)
doproc();
+#ifdef AIO
+ if(io_destroy(io_ctx) != 0) {
+ fprintf(stderr, "io_destroy failed");
+ return 1;
+ }
+#endif
+#ifdef URING
+ if (have_io_uring)
+ io_uring_queue_exit(&ring);
+#endif
+ cleanup_flist();
+ free(freq_table);
return 0;
}
}
close(fd);
}
+ free(freq_table);
unlink(buf);
return 0;
}
}
void
-add_to_flist(int ft, int id, int parent)
+add_to_flist(int ft, int id, int parent, int xattr_counter)
{
fent_t *fep;
flist_t *ftp;
}
fep = &ftp->fents[ftp->nfiles++];
fep->id = id;
+ fep->ft = ft;
fep->parent = parent;
+ fep->xattr_counter = xattr_counter;
}
void
/* attempting to append to a dir a zero length path */
if (len && *str == '/' && name->len == 0) {
fprintf(stderr, "fsstress: append_pathname failure\n");
- chdir(homedir);
+ assert(chdir(homedir) == 0);
abort();
/* NOTREACHED */
}
name->len += len;
}
+int
+attr_list_count(char *buffer, int buffersize)
+{
+ char *p = buffer;
+ char *end = buffer + buffersize;
+ int count = 0;
+
+ while (p < end && *p != 0) {
+ count++;
+ p += strlen(p) + 1;
+ }
+
+ return count;
+}
+
int
attr_list_path(pathname_t *name,
char *buffer,
- const int buffersize,
- int flags,
- attrlist_cursor_t *cursor)
+ const int buffersize)
{
char buf[NAME_MAX + 1];
pathname_t newname;
int rval;
- if (flags != ATTR_DONTFOLLOW) {
- errno = EINVAL;
- return -1;
- }
-
- rval = attr_list(name->path, buffer, buffersize, flags, cursor);
+ rval = llistxattr(name->path, buffer, buffersize);
if (rval >= 0 || errno != ENAMETOOLONG)
return rval;
separate_pathname(name, buf, &newname);
if (chdir(buf) == 0) {
- rval = attr_list_path(&newname, buffer, buffersize, flags, cursor);
- chdir("..");
+ rval = attr_list_path(&newname, buffer, buffersize);
+ assert(chdir("..") == 0);
}
free_pathname(&newname);
return rval;
}
int
-attr_remove_path(pathname_t *name, const char *attrname, int flags)
+attr_remove_path(pathname_t *name, const char *attrname)
{
char buf[NAME_MAX + 1];
pathname_t newname;
int rval;
- rval = attr_remove(name->path, attrname, flags);
+ rval = lremovexattr(name->path, attrname);
if (rval >= 0 || errno != ENAMETOOLONG)
return rval;
separate_pathname(name, buf, &newname);
if (chdir(buf) == 0) {
- rval = attr_remove_path(&newname, attrname, flags);
- chdir("..");
+ rval = attr_remove_path(&newname, attrname);
+ assert(chdir("..") == 0);
}
free_pathname(&newname);
return rval;
int
attr_set_path(pathname_t *name, const char *attrname, const char *attrvalue,
- const int valuelength, int flags)
+ const int valuelength)
{
char buf[NAME_MAX + 1];
pathname_t newname;
int rval;
- rval = attr_set(name->path, attrname, attrvalue, valuelength, flags);
+ rval = lsetxattr(name->path, attrname, attrvalue, valuelength, 0);
if (rval >= 0 || errno != ENAMETOOLONG)
return rval;
separate_pathname(name, buf, &newname);
if (chdir(buf) == 0) {
- rval = attr_set_path(&newname, attrname, attrvalue, valuelength,
- flags);
- chdir("..");
+ rval = attr_set_path(&newname, attrname, attrvalue,
+ valuelength);
+ assert(chdir("..") == 0);
}
free_pathname(&newname);
return rval;
if (stat64(".", &statbuf) == 0 && statbuf.st_ino == top_ino)
return;
- chdir(homedir);
+ assert(chdir(homedir) == 0);
fprintf(stderr, "fsstress: check_cwd failure\n");
abort();
/* NOTREACHED */
#endif
}
+/*
+ * go thru flist and release all entries
+ *
+ * NOTE: this function shouldn't be called until the end of a process
+ */
+void
+cleanup_flist(void)
+{
+ flist_t *flp;
+ int i;
+
+ for (i = 0, flp = flist; i < FT_nft; i++, flp++) {
+ flp->nslots = 0;
+ flp->nfiles = 0;
+ free(flp->fents);
+ flp->fents = NULL;
+ }
+}
+
int
creat_path(pathname_t *name, mode_t mode)
{
separate_pathname(name, buf, &newname);
if (chdir(buf) == 0) {
rval = creat_path(&newname, mode);
- chdir("..");
+ assert(chdir("..") == 0);
}
free_pathname(&newname);
return rval;
int i;
i = dcache[dirid % NDCACHE];
- if (i >= 0 && (fep = &flist[FT_DIR].fents[i])->id == dirid)
+ if (i >= 0 && i < flist[FT_DIR].nfiles &&
+ (fep = &flist[FT_DIR].fents[i])->id == dirid)
+ return fep;
+ if (i >= 0 && i < flist[FT_SUBVOL].nfiles &&
+ (fep = &flist[FT_SUBVOL].fents[i])->id == dirid)
return fep;
return NULL;
}
void
-dcache_purge(int dirid)
+dcache_purge(int dirid, int ft)
{
int *dcp;
-
dcp = &dcache[dirid % NDCACHE];
- if (*dcp >= 0 && flist[FT_DIR].fents[*dcp].id == dirid)
+ if (*dcp >= 0 && *dcp < flist[ft].nfiles &&
+ flist[ft].fents[*dcp].id == dirid)
*dcp = -1;
}
flist_t *ftp;
ftp = &flist[ft];
- if (ft == FT_DIR)
- dcache_purge(ftp->fents[slot].id);
+ if (ft == FT_DIR || ft == FT_SUBVOL)
+ dcache_purge(ftp->fents[slot].id, ft);
if (slot != ftp->nfiles - 1) {
- if (ft == FT_DIR)
- dcache_purge(ftp->fents[ftp->nfiles - 1].id);
+ if (ft == FT_DIR || ft == FT_SUBVOL)
+ dcache_purge(ftp->fents[ftp->nfiles - 1].id, ft);
ftp->fents[slot] = ftp->fents[--ftp->nfiles];
} else
ftp->nfiles--;
}
+void
+delete_subvol_children(int parid)
+{
+ flist_t *flp;
+ int i;
+again:
+ for (i = 0, flp = flist; i < FT_nft; i++, flp++) {
+ int c;
+ for (c = 0; c < flp->nfiles; c++) {
+ if (flp->fents[c].parent == parid) {
+ int id = flp->fents[c].id;
+ del_from_flist(i, c);
+ if (i == FT_DIR || i == FT_SUBVOL)
+ delete_subvol_children(id);
+ goto again;
+ }
+ }
+ }
+}
+
fent_t *
dirid_to_fent(int dirid)
{
fent_t *efep;
fent_t *fep;
flist_t *flp;
+ int ft = FT_DIR;
if ((fep = dcache_lookup(dirid)))
return fep;
- flp = &flist[FT_DIR];
+again:
+ flp = &flist[ft];
for (fep = flp->fents, efep = &fep[flp->nfiles]; fep < efep; fep++) {
if (fep->id == dirid) {
dcache_enter(dirid, fep - flp->fents);
return fep;
}
}
+ if (ft == FT_DIR) {
+ ft = FT_SUBVOL;
+ goto again;
+ }
return NULL;
}
_exit(1);
}
top_ino = statbuf.st_ino;
- homedir = getcwd(NULL, -1);
+ homedir = getcwd(NULL, 0);
+ if (!homedir) {
+ perror("getcwd failed");
+ _exit(1);
+ }
seed += procid;
srandom(seed);
if (namerand)
}
}
errout:
- chdir("..");
+ assert(chdir("..") == 0);
+ free(homedir);
if (cleanup) {
+ int ret;
+
sprintf(cmd, "rm -rf %s", buf);
- system(cmd);
+ ret = system(cmd);
+ if (ret != 0)
+ perror("cleaning up");
+ cleanup_flist();
}
}
* Return 0 on error, 1 on success;
*/
int
-fent_to_name(pathname_t *name, flist_t *flp, fent_t *fep)
+fent_to_name(pathname_t *name, fent_t *fep)
{
+ flist_t *flp = &flist[fep->ft];
char buf[NAME_MAX + 1];
int i;
fent_t *pfep;
#endif
if (pfep == NULL)
return 0;
- e = fent_to_name(name, &flist[FT_DIR], pfep);
+ e = fent_to_name(name, pfep);
if (!e)
return 0;
append_pathname(name, "/");
return 1;
}
+bool
+fents_ancestor_check(fent_t *fep, fent_t *dfep)
+{
+ fent_t *tmpfep;
+
+ for (tmpfep = fep; tmpfep->parent != -1;
+ tmpfep = dirid_to_fent(tmpfep->parent)) {
+ if (tmpfep->parent == dfep->id)
+ return true;
+ }
+
+ return false;
+}
+
void
-fix_parent(int oldid, int newid)
+fix_parent(int oldid, int newid, bool swap)
{
fent_t *fep;
flist_t *flp;
for (j = 0, fep = flp->fents; j < flp->nfiles; j++, fep++) {
if (fep->parent == oldid)
fep->parent = newid;
+ else if (swap && fep->parent == newid)
+ fep->parent = oldid;
}
}
}
/* prepend fep parent dir-name to it */
if (fep) {
- e = fent_to_name(name, &flist[FT_DIR], fep);
+ e = fent_to_name(name, fep);
if (!e)
return 0;
append_pathname(name, "/");
return 1;
}
+int generate_xattr_name(int xattr_num, char *buffer, int buflen)
+{
+ int ret;
+
+ ret = snprintf(buffer, buflen, "user.x%d", xattr_num);
+ if (ret < 0)
+ return ret;
+ if (ret < buflen)
+ return 0;
+ return -EOVERFLOW;
+}
+
/*
* Get file
* Input: "which" to choose the file-types eg. non-directory
/* fill-in what we were asked for */
if (name) {
- e = fent_to_name(name, flp, fep);
+ e = fent_to_name(name, fep);
#ifdef DEBUG
if (!e) {
fprintf(stderr, "%d: failed to get path for entry:"
separate_pathname(name, buf, &newname);
if (chdir(buf) == 0) {
rval = lchown_path(&newname, owner, group);
- chdir("..");
+ assert(chdir("..") == 0);
}
free_pathname(&newname);
return rval;
if (strcmp(buf1, buf2) == 0) {
if (chdir(buf1) == 0) {
rval = link_path(&newname1, &newname2);
- chdir("..");
+ assert(chdir("..") == 0);
}
} else {
if (strcmp(buf1, "..") == 0)
append_pathname(&newname2, name2->path);
if (chdir(buf1) == 0) {
rval = link_path(&newname1, &newname2);
- chdir("..");
+ assert(chdir("..") == 0);
}
} else {
free_pathname(&newname1);
append_pathname(&newname1, name1->path);
if (chdir(buf2) == 0) {
rval = link_path(&newname1, &newname2);
- chdir("..");
+ assert(chdir("..") == 0);
}
}
}
separate_pathname(name, buf, &newname);
if (chdir(buf) == 0) {
rval = lstat64_path(&newname, sbuf);
- chdir("..");
+ assert(chdir("..") == 0);
}
free_pathname(&newname);
return rval;
separate_pathname(name, buf, &newname);
if (chdir(buf) == 0) {
rval = mkdir_path(&newname, mode);
- chdir("..");
+ assert(chdir("..") == 0);
}
free_pathname(&newname);
return rval;
separate_pathname(name, buf, &newname);
if (chdir(buf) == 0) {
rval = mknod_path(&newname, mode, dev);
- chdir("..");
+ assert(chdir("..") == 0);
}
free_pathname(&newname);
return rval;
}
}
+int
+open_file_or_dir(pathname_t *name, int flags)
+{
+ int fd;
+
+ fd = open_path(name, flags);
+ if (fd != -1)
+ return fd;
+ if (fd == -1 && errno != EISDIR)
+ return fd;
+ /* Directories can not be opened in write mode nor direct mode. */
+ flags &= ~(O_WRONLY | O_DIRECT);
+ flags |= O_RDONLY | O_DIRECTORY;
+ return open_path(name, flags);
+}
+
int
open_path(pathname_t *name, int oflag)
{
separate_pathname(name, buf, &newname);
if (chdir(buf) == 0) {
rval = open_path(&newname, oflag);
- chdir("..");
+ assert(chdir("..") == 0);
}
free_pathname(&newname);
return rval;
separate_pathname(name, buf, &newname);
if (chdir(buf) == 0) {
rval = opendir_path(&newname);
- chdir("..");
+ assert(chdir("..") == 0);
}
free_pathname(&newname);
return rval;
separate_pathname(name, buf, &newname);
if (chdir(buf) == 0) {
rval = readlink_path(&newname, lbuf, lbufsiz);
- chdir("..");
+ assert(chdir("..") == 0);
}
free_pathname(&newname);
return rval;
}
int
-rename_path(pathname_t *name1, pathname_t *name2)
+rename_path(pathname_t *name1, pathname_t *name2, int mode)
{
char buf1[NAME_MAX + 1];
char buf2[NAME_MAX + 1];
pathname_t newname2;
int rval;
- rval = rename(name1->path, name2->path);
+ if (mode == 0)
+ rval = rename(name1->path, name2->path);
+ else
+ rval = renameat2(AT_FDCWD, name1->path,
+ AT_FDCWD, name2->path, mode);
if (rval >= 0 || errno != ENAMETOOLONG)
return rval;
separate_pathname(name1, buf1, &newname1);
separate_pathname(name2, buf2, &newname2);
if (strcmp(buf1, buf2) == 0) {
if (chdir(buf1) == 0) {
- rval = rename_path(&newname1, &newname2);
- chdir("..");
+ rval = rename_path(&newname1, &newname2, mode);
+ assert(chdir("..") == 0);
}
} else {
if (strcmp(buf1, "..") == 0)
append_pathname(&newname2, "../");
append_pathname(&newname2, name2->path);
if (chdir(buf1) == 0) {
- rval = rename_path(&newname1, &newname2);
- chdir("..");
+ rval = rename_path(&newname1, &newname2, mode);
+ assert(chdir("..") == 0);
}
} else {
free_pathname(&newname1);
append_pathname(&newname1, "../");
append_pathname(&newname1, name1->path);
if (chdir(buf2) == 0) {
- rval = rename_path(&newname1, &newname2);
- chdir("..");
+ rval = rename_path(&newname1, &newname2, mode);
+ assert(chdir("..") == 0);
}
}
}
separate_pathname(name, buf, &newname);
if (chdir(buf) == 0) {
rval = rmdir_path(&newname);
- chdir("..");
+ assert(chdir("..") == 0);
}
free_pathname(&newname);
return rval;
separate_pathname(name, buf, &newname);
if (chdir(buf) == 0) {
rval = stat64_path(&newname, sbuf);
- chdir("..");
+ assert(chdir("..") == 0);
}
free_pathname(&newname);
return rval;
separate_pathname(name, buf, &newname);
if (chdir(buf) == 0) {
rval = symlink_path(name1, &newname);
- chdir("..");
+ assert(chdir("..") == 0);
}
free_pathname(&newname);
return rval;
separate_pathname(name, buf, &newname);
if (chdir(buf) == 0) {
rval = truncate64_path(&newname, length);
- chdir("..");
+ assert(chdir("..") == 0);
}
free_pathname(&newname);
return rval;
separate_pathname(name, buf, &newname);
if (chdir(buf) == 0) {
rval = unlink_path(&newname);
- chdir("..");
+ assert(chdir("..") == 0);
}
free_pathname(&newname);
return rval;
p->freq = 0;
}
+#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
+
+opty_t btrfs_ops[] = {
+ OP_SNAPSHOT,
+ OP_SUBVOL_CREATE,
+ OP_SUBVOL_DELETE,
+};
+
+void
+non_btrfs_freq(const char *path)
+{
+ opdesc_t *p;
+#ifdef HAVE_BTRFSUTIL_H
+ enum btrfs_util_error e;
+
+ e = btrfs_util_is_subvolume(path);
+ if (e != BTRFS_UTIL_ERROR_NOT_BTRFS)
+ return;
+#endif
+ for (p = ops; p < ops_end; p++) {
+ int i;
+ for (i = 0; i < ARRAY_SIZE(btrfs_ops); i++) {
+ if (p->op == btrfs_ops[i]) {
+ p->freq = 0;
+ break;
+ }
+ }
+ }
+}
+
void inode_info(char *str, size_t sz, struct stat64 *s, int verbose)
{
if (verbose)
(long long) s->st_blocks, (long long) s->st_size);
}
+void
+afsync_f(int opno, long r)
+{
+#ifdef AIO
+ int e;
+ pathname_t f;
+ int fd;
+ int v;
+ struct iocb iocb;
+ struct iocb *iocbs[] = { &iocb };
+ struct io_event event;
+
+ init_pathname(&f);
+ if (!get_fname(FT_REGFILE | FT_DIRm, r, &f, NULL, NULL, &v)) {
+ if (v)
+ printf("%d/%d: afsync - no filename\n", procid, opno);
+ free_pathname(&f);
+ return;
+ }
+ fd = open_file_or_dir(&f, O_WRONLY | O_DIRECT);
+ e = fd < 0 ? errno : 0;
+ check_cwd();
+ if (fd < 0) {
+ if (v)
+ printf("%d/%d: afsync - open %s failed %d\n",
+ procid, opno, f.path, e);
+ free_pathname(&f);
+ return;
+ }
+
+ io_prep_fsync(&iocb, fd);
+ if ((e = io_submit(io_ctx, 1, iocbs)) != 1) {
+ if (v)
+ printf("%d/%d: afsync - io_submit %s %d\n",
+ procid, opno, f.path, e);
+ free_pathname(&f);
+ close(fd);
+ return;
+ }
+ if ((e = io_getevents(io_ctx, 1, 1, &event, NULL)) != 1) {
+ if (v)
+ printf("%d/%d: afsync - io_getevents failed %d\n",
+ procid, opno, e);
+ free_pathname(&f);
+ close(fd);
+ return;
+ }
+
+ e = event.res2;
+ if (v)
+ printf("%d/%d: afsync %s %d\n", procid, opno, f.path, e);
+ free_pathname(&f);
+ close(fd);
+#endif
+}
+
void
allocsp_f(int opno, long r)
{
pathname_t f;
int fd;
struct xfs_flock64 fl;
- __int64_t lr;
+ int64_t lr;
off64_t off;
struct stat64 stb;
int v;
return;
}
inode_info(st, sizeof(st), &stb, v);
- lr = ((__int64_t)random() << 32) + random();
+ lr = ((int64_t)random() << 32) + random();
off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
off %= maxfsize;
fl.l_whence = SEEK_SET;
close(fd);
}
+#ifdef AIO
void
-attr_remove_f(int opno, long r)
+do_aio_rw(int opno, long r, int flags)
{
- attrlist_ent_t *aep;
- attrlist_t *alist;
- char *aname;
- char buf[4096];
- attrlist_cursor_t cursor;
- int e;
- int ent;
- pathname_t f;
- int total;
- int v;
- int which;
+ int64_t align;
+ char *buf = NULL;
+ struct dioattr diob;
+ int e;
+ pathname_t f;
+ int fd = -1;
+ size_t len;
+ int64_t lr;
+ off64_t off;
+ struct stat64 stb;
+ int v;
+ char st[1024];
+ char *dio_env;
+ struct iocb iocb;
+ struct io_event event;
+ struct iocb *iocbs[] = { &iocb };
+ int iswrite = (flags & (O_WRONLY | O_RDWR)) ? 1 : 0;
init_pathname(&f);
- if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
- append_pathname(&f, ".");
- total = 0;
- bzero(&cursor, sizeof(cursor));
- do {
- bzero(buf, sizeof(buf));
- e = attr_list_path(&f, buf, sizeof(buf), ATTR_DONTFOLLOW, &cursor);
- check_cwd();
- if (e)
- break;
- alist = (attrlist_t *)buf;
- total += alist->al_count;
- } while (alist->al_more);
- if (total == 0) {
+ if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
if (v)
- printf("%d/%d: attr_remove - no attrs for %s\n",
- procid, opno, f.path);
- free_pathname(&f);
- return;
+ printf("%d/%d: do_aio_rw - no filename\n", procid, opno);
+ goto aio_out;
}
- which = (int)(random() % total);
- bzero(&cursor, sizeof(cursor));
- ent = 0;
- aname = NULL;
- do {
- bzero(buf, sizeof(buf));
- e = attr_list_path(&f, buf, sizeof(buf), ATTR_DONTFOLLOW, &cursor);
- check_cwd();
- if (e)
- break;
- alist = (attrlist_t *)buf;
- if (which < ent + alist->al_count) {
- aep = (attrlist_ent_t *)
- &buf[alist->al_offset[which - ent]];
- aname = aep->a_name;
- break;
- }
- ent += alist->al_count;
- } while (alist->al_more);
- if (aname == NULL) {
+ fd = open_path(&f, flags|O_DIRECT);
+ e = fd < 0 ? errno : 0;
+ check_cwd();
+ if (fd < 0) {
+ if (v)
+ printf("%d/%d: do_aio_rw - open %s failed %d\n",
+ procid, opno, f.path, e);
+ goto aio_out;
+ }
+ if (fstat64(fd, &stb) < 0) {
+ if (v)
+ printf("%d/%d: do_aio_rw - fstat64 %s failed %d\n",
+ procid, opno, f.path, errno);
+ goto aio_out;
+ }
+ inode_info(st, sizeof(st), &stb, v);
+ if (!iswrite && stb.st_size == 0) {
+ if (v)
+ printf("%d/%d: do_aio_rw - %s%s zero size\n", procid, opno,
+ f.path, st);
+ goto aio_out;
+ }
+ if (xfsctl(f.path, fd, XFS_IOC_DIOINFO, &diob) < 0) {
if (v)
printf(
- "%d/%d: attr_remove - name %d not found at %s\n",
- procid, opno, which, f.path);
- free_pathname(&f);
- return;
+ "%d/%d: do_aio_rw - xfsctl(XFS_IOC_DIOINFO) %s%s return %d,"
+ " fallback to stat()\n",
+ procid, opno, f.path, st, errno);
+ diob.d_mem = diob.d_miniosz = stb.st_blksize;
+ diob.d_maxiosz = INT_MAX & ~(diob.d_miniosz - 1);
}
- e = attr_remove_path(&f, aname, ATTR_DONTFOLLOW) < 0 ? errno : 0;
- check_cwd();
+ dio_env = getenv("XFS_DIO_MIN");
+ if (dio_env)
+ diob.d_mem = diob.d_miniosz = atoi(dio_env);
+ align = (int64_t)diob.d_miniosz;
+ lr = ((int64_t)random() << 32) + random();
+ len = (random() % FILELEN_MAX) + 1;
+ len -= (len % align);
+ if (len <= 0)
+ len = align;
+ else if (len > diob.d_maxiosz)
+ len = diob.d_maxiosz;
+ buf = memalign(diob.d_mem, len);
+ if (!buf) {
+ if (v)
+ printf("%d/%d: do_aio_rw - memalign failed\n",
+ procid, opno);
+ goto aio_out;
+ }
+
+ if (iswrite) {
+ off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
+ off -= (off % align);
+ off %= maxfsize;
+ memset(buf, nameseq & 0xff, len);
+ io_prep_pwrite(&iocb, fd, buf, len, off);
+ } else {
+ off = (off64_t)(lr % stb.st_size);
+ off -= (off % align);
+ io_prep_pread(&iocb, fd, buf, len, off);
+ }
+ if ((e = io_submit(io_ctx, 1, iocbs)) != 1) {
+ if (v)
+ printf("%d/%d: %s - io_submit failed %d\n",
+ procid, opno, iswrite ? "awrite" : "aread", e);
+ goto aio_out;
+ }
+ if ((e = io_getevents(io_ctx, 1, 1, &event, NULL)) != 1) {
+ if (v)
+ printf("%d/%d: %s - io_getevents failed %d\n",
+ procid, opno, iswrite ? "awrite" : "aread", e);
+ goto aio_out;
+ }
+
+ e = event.res != len ? event.res2 : 0;
if (v)
- printf("%d/%d: attr_remove %s %s %d\n",
- procid, opno, f.path, aname, e);
+ printf("%d/%d: %s %s%s [%lld,%d] %d\n",
+ procid, opno, iswrite ? "awrite" : "aread",
+ f.path, st, (long long)off, (int)len, e);
+ aio_out:
+ if (buf)
+ free(buf);
+ if (fd != -1)
+ close(fd);
free_pathname(&f);
}
+#endif
+#ifdef URING
void
-attr_set_f(int opno, long r)
+do_uring_rw(int opno, long r, int flags)
{
- char aname[10];
- char *aval;
+ char *buf = NULL;
int e;
pathname_t f;
- int len;
- static int lengths[] = { 10, 100, 1000, 10000 };
- int li;
+ int fd = -1;
+ size_t len;
+ int64_t lr;
+ off64_t off;
+ struct stat64 stb;
int v;
+ char st[1024];
+ struct io_uring_sqe *sqe;
+ struct io_uring_cqe *cqe;
+ struct iovec iovec;
+ int iswrite = (flags & (O_WRONLY | O_RDWR)) ? 1 : 0;
+
+ if (!have_io_uring)
+ return;
init_pathname(&f);
- if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
- append_pathname(&f, ".");
- sprintf(aname, "a%x", nameseq++);
- li = (int)(random() % (sizeof(lengths) / sizeof(lengths[0])));
- len = (int)(random() % lengths[li]);
- if (len == 0)
- len = 1;
- aval = malloc(len);
- memset(aval, nameseq & 0xff, len);
- e = attr_set_path(&f, aname, aval, len, ATTR_DONTFOLLOW) < 0 ?
- errno : 0;
+ if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
+ if (v)
+ printf("%d/%d: do_uring_rw - no filename\n", procid, opno);
+ goto uring_out;
+ }
+ fd = open_path(&f, flags);
+ e = fd < 0 ? errno : 0;
check_cwd();
- free(aval);
- if (v)
- printf("%d/%d: attr_set %s %s %d\n", procid, opno, f.path,
- aname, e);
- free_pathname(&f);
-}
+ if (fd < 0) {
+ if (v)
+ printf("%d/%d: do_uring_rw - open %s failed %d\n",
+ procid, opno, f.path, e);
+ goto uring_out;
+ }
+ if (fstat64(fd, &stb) < 0) {
+ if (v)
+ printf("%d/%d: do_uring_rw - fstat64 %s failed %d\n",
+ procid, opno, f.path, errno);
+ goto uring_out;
+ }
+ inode_info(st, sizeof(st), &stb, v);
+ if (!iswrite && stb.st_size == 0) {
+ if (v)
+ printf("%d/%d: do_uring_rw - %s%s zero size\n", procid, opno,
+ f.path, st);
+ goto uring_out;
+ }
+ sqe = io_uring_get_sqe(&ring);
+ if (!sqe) {
+ if (v)
+ printf("%d/%d: do_uring_rw - io_uring_get_sqe failed\n",
+ procid, opno);
+ goto uring_out;
+ }
+ lr = ((int64_t)random() << 32) + random();
+ len = (random() % FILELEN_MAX) + 1;
+ buf = malloc(len);
+ if (!buf) {
+ if (v)
+ printf("%d/%d: do_uring_rw - malloc failed\n",
+ procid, opno);
+ goto uring_out;
+ }
+ iovec.iov_base = buf;
+ iovec.iov_len = len;
+ if (iswrite) {
+ off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
+ off %= maxfsize;
+ memset(buf, nameseq & 0xff, len);
+ io_uring_prep_writev(sqe, fd, &iovec, 1, off);
+ } else {
+ off = (off64_t)(lr % stb.st_size);
+ io_uring_prep_readv(sqe, fd, &iovec, 1, off);
+ }
+
+ if ((e = io_uring_submit_and_wait(&ring, 1)) != 1) {
+ if (v)
+ printf("%d/%d: %s - io_uring_submit failed %d\n", procid, opno,
+ iswrite ? "uring_write" : "uring_read", e);
+ goto uring_out;
+ }
+ if ((e = io_uring_wait_cqe(&ring, &cqe)) < 0) {
+ if (v)
+ printf("%d/%d: %s - io_uring_wait_cqe failed %d\n", procid, opno,
+ iswrite ? "uring_write" : "uring_read", e);
+ goto uring_out;
+ }
+ if (v)
+ printf("%d/%d: %s %s%s [%lld, %d(res=%d)] %d\n",
+ procid, opno, iswrite ? "uring_write" : "uring_read",
+ f.path, st, (long long)off, (int)len, cqe->res, e);
+ io_uring_cqe_seen(&ring, cqe);
+
+ uring_out:
+ if (buf)
+ free(buf);
+ if (fd != -1)
+ close(fd);
+ free_pathname(&f);
+}
+#endif
+
+void
+aread_f(int opno, long r)
+{
+#ifdef AIO
+ do_aio_rw(opno, r, O_RDONLY);
+#endif
+}
+
+void
+attr_remove_f(int opno, long r)
+{
+ char *bufname;
+ char *bufend;
+ char *aname = NULL;
+ char buf[XATTR_LIST_MAX];
+ int e;
+ int ent;
+ pathname_t f;
+ int total = 0;
+ int v;
+ int which;
+
+ init_pathname(&f);
+ if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
+ append_pathname(&f, ".");
+ e = attr_list_path(&f, buf, sizeof(buf));
+ check_cwd();
+ if (e > 0)
+ total = attr_list_count(buf, e);
+ if (total == 0) {
+ if (v)
+ printf("%d/%d: attr_remove - no attrs for %s\n",
+ procid, opno, f.path);
+ free_pathname(&f);
+ return;
+ }
+
+ which = (int)(random() % total);
+ bufname = buf;
+ bufend = buf + e;
+ ent = 0;
+ while (bufname < bufend) {
+ if (which < ent) {
+ aname = bufname;
+ break;
+ }
+ ent++;
+ bufname += strlen(bufname) + 1;
+ }
+ if (aname == NULL) {
+ if (v)
+ printf(
+ "%d/%d: attr_remove - name %d not found at %s\n",
+ procid, opno, which, f.path);
+ free_pathname(&f);
+ return;
+ }
+ if (attr_remove_path(&f, aname) < 0)
+ e = errno;
+ else
+ e = 0;
+ check_cwd();
+ if (v)
+ printf("%d/%d: attr_remove %s %s %d\n",
+ procid, opno, f.path, aname, e);
+ free_pathname(&f);
+}
+
+void
+attr_set_f(int opno, long r)
+{
+ char aname[10];
+ char *aval;
+ int e;
+ pathname_t f;
+ int len;
+ static int lengths[] = { 10, 100, 1000, 10000 };
+ int li;
+ int v;
+
+ init_pathname(&f);
+ if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
+ append_pathname(&f, ".");
+ sprintf(aname, "a%x", nameseq++);
+ li = (int)(random() % (sizeof(lengths) / sizeof(lengths[0])));
+ len = (int)(random() % lengths[li]);
+ if (len == 0)
+ len = 1;
+ aval = malloc(len);
+ memset(aval, nameseq & 0xff, len);
+ if (attr_set_path(&f, aname, aval, len) < 0)
+ e = errno;
+ else
+ e = 0;
+ check_cwd();
+ free(aval);
+ if (v)
+ printf("%d/%d: attr_set %s %s %d\n", procid, opno, f.path,
+ aname, e);
+ free_pathname(&f);
+}
+
+void
+awrite_f(int opno, long r)
+{
+#ifdef AIO
+ do_aio_rw(opno, r, O_WRONLY);
+#endif
+}
void
bulkstat_f(int opno, long r)
int fd;
__u64 last;
int nent;
- xfs_bstat_t *t;
- __int64_t total;
- xfs_fsop_bulkreq_t bsr;
+ struct xfs_bstat *t;
+ int64_t total;
+ struct xfs_fsop_bulkreq bsr;
last = 0;
nent = (r % 999) + 2;
int good;
__u64 ino;
struct stat64 s;
- xfs_bstat_t t;
+ struct xfs_bstat t;
int v;
- xfs_fsop_bulkreq_t bsr;
+ struct xfs_fsop_bulkreq bsr;
good = random() & 1;
free_pathname(&f);
}
+/* reflink some arbitrary range of f1 to f2. */
+void
+clonerange_f(
+ int opno,
+ long r)
+{
+#ifdef FICLONERANGE
+ struct file_clone_range fcr;
+ struct pathname fpath1;
+ struct pathname fpath2;
+ struct stat64 stat1;
+ struct stat64 stat2;
+ char inoinfo1[1024];
+ char inoinfo2[1024];
+ off64_t lr;
+ off64_t off1;
+ off64_t off2;
+ off64_t max_off2;
+ size_t len;
+ int v1;
+ int v2;
+ int fd1;
+ int fd2;
+ int ret;
+ int e;
+
+ /* Load paths */
+ init_pathname(&fpath1);
+ if (!get_fname(FT_REGm, r, &fpath1, NULL, NULL, &v1)) {
+ if (v1)
+ printf("%d/%d: clonerange read - no filename\n",
+ procid, opno);
+ goto out_fpath1;
+ }
+
+ init_pathname(&fpath2);
+ if (!get_fname(FT_REGm, random(), &fpath2, NULL, NULL, &v2)) {
+ if (v2)
+ printf("%d/%d: clonerange write - no filename\n",
+ procid, opno);
+ goto out_fpath2;
+ }
+
+ /* Open files */
+ fd1 = open_path(&fpath1, O_RDONLY);
+ e = fd1 < 0 ? errno : 0;
+ check_cwd();
+ if (fd1 < 0) {
+ if (v1)
+ printf("%d/%d: clonerange read - open %s failed %d\n",
+ procid, opno, fpath1.path, e);
+ goto out_fpath2;
+ }
+
+ fd2 = open_path(&fpath2, O_WRONLY);
+ e = fd2 < 0 ? errno : 0;
+ check_cwd();
+ if (fd2 < 0) {
+ if (v2)
+ printf("%d/%d: clonerange write - open %s failed %d\n",
+ procid, opno, fpath2.path, e);
+ goto out_fd1;
+ }
+
+ /* Get file stats */
+ if (fstat64(fd1, &stat1) < 0) {
+ if (v1)
+ printf("%d/%d: clonerange read - fstat64 %s failed %d\n",
+ procid, opno, fpath1.path, errno);
+ goto out_fd2;
+ }
+ inode_info(inoinfo1, sizeof(inoinfo1), &stat1, v1);
+
+ if (fstat64(fd2, &stat2) < 0) {
+ if (v2)
+ printf("%d/%d: clonerange write - fstat64 %s failed %d\n",
+ procid, opno, fpath2.path, errno);
+ goto out_fd2;
+ }
+ inode_info(inoinfo2, sizeof(inoinfo2), &stat2, v2);
+
+ /* Calculate offsets */
+ len = (random() % FILELEN_MAX) + 1;
+ len &= ~(stat1.st_blksize - 1);
+ if (len == 0)
+ len = stat1.st_blksize;
+ if (len > stat1.st_size)
+ len = stat1.st_size;
+
+ lr = ((int64_t)random() << 32) + random();
+ if (stat1.st_size == len)
+ off1 = 0;
+ else
+ off1 = (off64_t)(lr % MIN(stat1.st_size - len, MAXFSIZE));
+ off1 %= maxfsize;
+ off1 &= ~(stat1.st_blksize - 1);
+
+ /*
+ * If srcfile == destfile, randomly generate destination ranges
+ * until we find one that doesn't overlap the source range.
+ */
+ max_off2 = MIN(stat2.st_size + (1024ULL * stat2.st_blksize), MAXFSIZE);
+ do {
+ lr = ((int64_t)random() << 32) + random();
+ off2 = (off64_t)(lr % max_off2);
+ off2 %= maxfsize;
+ off2 &= ~(stat2.st_blksize - 1);
+ } while (stat1.st_ino == stat2.st_ino && llabs(off2 - off1) < len);
+
+ /* Clone data blocks */
+ fcr.src_fd = fd1;
+ fcr.src_offset = off1;
+ fcr.src_length = len;
+ fcr.dest_offset = off2;
+
+ ret = ioctl(fd2, FICLONERANGE, &fcr);
+ e = ret < 0 ? errno : 0;
+ if (v1 || v2) {
+ printf("%d/%d: clonerange %s%s [%lld,%lld] -> %s%s [%lld,%lld]",
+ procid, opno,
+ fpath1.path, inoinfo1, (long long)off1, (long long)len,
+ fpath2.path, inoinfo2, (long long)off2, (long long)len);
+
+ if (ret < 0)
+ printf(" error %d", e);
+ printf("\n");
+ }
+
+out_fd2:
+ close(fd2);
+out_fd1:
+ close(fd1);
+out_fpath2:
+ free_pathname(&fpath2);
+out_fpath1:
+ free_pathname(&fpath1);
+#endif
+}
+
+/* copy some arbitrary range of f1 to f2. */
+void
+copyrange_f(
+ int opno,
+ long r)
+{
+#ifdef HAVE_COPY_FILE_RANGE
+ struct pathname fpath1;
+ struct pathname fpath2;
+ struct stat64 stat1;
+ struct stat64 stat2;
+ char inoinfo1[1024];
+ char inoinfo2[1024];
+ loff_t lr;
+ loff_t off1;
+ loff_t off2;
+ loff_t offset1;
+ loff_t offset2;
+ loff_t max_off2;
+ size_t len;
+ size_t length;
+ int tries = 0;
+ int v1;
+ int v2;
+ int fd1;
+ int fd2;
+ size_t ret = 0;
+ int e;
+
+ /* Load paths */
+ init_pathname(&fpath1);
+ if (!get_fname(FT_REGm, r, &fpath1, NULL, NULL, &v1)) {
+ if (v1)
+ printf("%d/%d: copyrange read - no filename\n",
+ procid, opno);
+ goto out_fpath1;
+ }
+
+ init_pathname(&fpath2);
+ if (!get_fname(FT_REGm, random(), &fpath2, NULL, NULL, &v2)) {
+ if (v2)
+ printf("%d/%d: copyrange write - no filename\n",
+ procid, opno);
+ goto out_fpath2;
+ }
+
+ /* Open files */
+ fd1 = open_path(&fpath1, O_RDONLY);
+ e = fd1 < 0 ? errno : 0;
+ check_cwd();
+ if (fd1 < 0) {
+ if (v1)
+ printf("%d/%d: copyrange read - open %s failed %d\n",
+ procid, opno, fpath1.path, e);
+ goto out_fpath2;
+ }
+
+ fd2 = open_path(&fpath2, O_WRONLY);
+ e = fd2 < 0 ? errno : 0;
+ check_cwd();
+ if (fd2 < 0) {
+ if (v2)
+ printf("%d/%d: copyrange write - open %s failed %d\n",
+ procid, opno, fpath2.path, e);
+ goto out_fd1;
+ }
+
+ /* Get file stats */
+ if (fstat64(fd1, &stat1) < 0) {
+ if (v1)
+ printf("%d/%d: copyrange read - fstat64 %s failed %d\n",
+ procid, opno, fpath1.path, errno);
+ goto out_fd2;
+ }
+ inode_info(inoinfo1, sizeof(inoinfo1), &stat1, v1);
+
+ if (fstat64(fd2, &stat2) < 0) {
+ if (v2)
+ printf("%d/%d: copyrange write - fstat64 %s failed %d\n",
+ procid, opno, fpath2.path, errno);
+ goto out_fd2;
+ }
+ inode_info(inoinfo2, sizeof(inoinfo2), &stat2, v2);
+
+ /* Calculate offsets */
+ len = (random() % FILELEN_MAX) + 1;
+ if (len == 0)
+ len = stat1.st_blksize;
+ if (len > stat1.st_size)
+ len = stat1.st_size;
+
+ lr = ((int64_t)random() << 32) + random();
+ if (stat1.st_size == len)
+ off1 = 0;
+ else
+ off1 = (off64_t)(lr % MIN(stat1.st_size - len, MAXFSIZE));
+ off1 %= maxfsize;
+
+ /*
+ * If srcfile == destfile, randomly generate destination ranges
+ * until we find one that doesn't overlap the source range.
+ */
+ max_off2 = MIN(stat2.st_size + (1024ULL * stat2.st_blksize), MAXFSIZE);
+ do {
+ lr = ((int64_t)random() << 32) + random();
+ off2 = (off64_t)(lr % max_off2);
+ off2 %= maxfsize;
+ } while (stat1.st_ino == stat2.st_ino && llabs(off2 - off1) < len);
+
+ /*
+ * Since len, off1 and off2 will be changed later, preserve their
+ * original values.
+ */
+ length = len;
+ offset1 = off1;
+ offset2 = off2;
+
+ while (len > 0) {
+ ret = syscall(__NR_copy_file_range, fd1, &off1, fd2, &off2,
+ len, 0);
+ if (ret < 0) {
+ if (errno != EAGAIN || tries++ >= 300)
+ break;
+ } else if (ret > len || ret == 0)
+ break;
+ else if (ret > 0)
+ len -= ret;
+ }
+ e = ret < 0 ? errno : 0;
+ if (v1 || v2) {
+ printf("%d/%d: copyrange %s%s [%lld,%lld] -> %s%s [%lld,%lld]",
+ procid, opno,
+ fpath1.path, inoinfo1,
+ (long long)offset1, (long long)length,
+ fpath2.path, inoinfo2,
+ (long long)offset2, (long long)length);
+
+ if (ret < 0)
+ printf(" error %d", e);
+ else if (len && ret > len)
+ printf(" asked for %lld, copied %lld??\n",
+ (long long)len, (long long)ret);
+ printf("\n");
+ }
+
+out_fd2:
+ close(fd2);
+out_fd1:
+ close(fd1);
+out_fpath2:
+ free_pathname(&fpath2);
+out_fpath1:
+ free_pathname(&fpath1);
+#endif
+}
+
+/* dedupe some arbitrary range of f1 to f2...fn. */
+void
+deduperange_f(
+ int opno,
+ long r)
+{
+#ifdef FIDEDUPERANGE
+#define INFO_SZ 1024
+ struct file_dedupe_range *fdr;
+ struct pathname *fpath;
+ struct stat64 *stat;
+ char *info;
+ off64_t *off;
+ int *v;
+ int *fd;
+ int nr;
+ off64_t lr;
+ size_t len;
+ int ret;
+ int i;
+ int e;
+
+ if (flist[FT_REG].nfiles < 2)
+ return;
+
+ /* Pick somewhere between 2 and 128 files. */
+ do {
+ nr = random() % (flist[FT_REG].nfiles + 1);
+ } while (nr < 2 || nr > 128);
+
+ /* Alloc memory */
+ fdr = malloc(nr * sizeof(struct file_dedupe_range_info) +
+ sizeof(struct file_dedupe_range));
+ if (!fdr) {
+ printf("%d/%d: line %d error %d\n",
+ procid, opno, __LINE__, errno);
+ return;
+ }
+ memset(fdr, 0, (nr * sizeof(struct file_dedupe_range_info) +
+ sizeof(struct file_dedupe_range)));
+
+ fpath = calloc(nr, sizeof(struct pathname));
+ if (!fpath) {
+ printf("%d/%d: line %d error %d\n",
+ procid, opno, __LINE__, errno);
+ goto out_fdr;
+ }
+
+ stat = calloc(nr, sizeof(struct stat64));
+ if (!stat) {
+ printf("%d/%d: line %d error %d\n",
+ procid, opno, __LINE__, errno);
+ goto out_paths;
+ }
+
+ info = calloc(nr, INFO_SZ);
+ if (!info) {
+ printf("%d/%d: line %d error %d\n",
+ procid, opno, __LINE__, errno);
+ goto out_stats;
+ }
+
+ off = calloc(nr, sizeof(off64_t));
+ if (!off) {
+ printf("%d/%d: line %d error %d\n",
+ procid, opno, __LINE__, errno);
+ goto out_info;
+ }
+
+ v = calloc(nr, sizeof(int));
+ if (!v) {
+ printf("%d/%d: line %d error %d\n",
+ procid, opno, __LINE__, errno);
+ goto out_offsets;
+ }
+ fd = calloc(nr, sizeof(int));
+ if (!fd) {
+ printf("%d/%d: line %d error %d\n",
+ procid, opno, __LINE__, errno);
+ goto out_v;
+ }
+ memset(fd, 0xFF, nr * sizeof(int));
+
+ /* Get paths for all files */
+ for (i = 0; i < nr; i++)
+ init_pathname(&fpath[i]);
+
+ if (!get_fname(FT_REGm, r, &fpath[0], NULL, NULL, &v[0])) {
+ if (v[0])
+ printf("%d/%d: deduperange read - no filename\n",
+ procid, opno);
+ goto out_pathnames;
+ }
+
+ for (i = 1; i < nr; i++) {
+ if (!get_fname(FT_REGm, random(), &fpath[i], NULL, NULL, &v[i])) {
+ if (v[i])
+ printf("%d/%d: deduperange write - no filename\n",
+ procid, opno);
+ goto out_pathnames;
+ }
+ }
+
+ /* Open files */
+ fd[0] = open_path(&fpath[0], O_RDONLY);
+ e = fd[0] < 0 ? errno : 0;
+ check_cwd();
+ if (fd[0] < 0) {
+ if (v[0])
+ printf("%d/%d: deduperange read - open %s failed %d\n",
+ procid, opno, fpath[0].path, e);
+ goto out_pathnames;
+ }
+
+ for (i = 1; i < nr; i++) {
+ fd[i] = open_path(&fpath[i], O_WRONLY);
+ e = fd[i] < 0 ? errno : 0;
+ check_cwd();
+ if (fd[i] < 0) {
+ if (v[i])
+ printf("%d/%d: deduperange write - open %s failed %d\n",
+ procid, opno, fpath[i].path, e);
+ goto out_fds;
+ }
+ }
+
+ /* Get file stats */
+ if (fstat64(fd[0], &stat[0]) < 0) {
+ if (v[0])
+ printf("%d/%d: deduperange read - fstat64 %s failed %d\n",
+ procid, opno, fpath[0].path, errno);
+ goto out_fds;
+ }
+
+ inode_info(&info[0], INFO_SZ, &stat[0], v[0]);
+
+ for (i = 1; i < nr; i++) {
+ if (fstat64(fd[i], &stat[i]) < 0) {
+ if (v[i])
+ printf("%d/%d: deduperange write - fstat64 %s failed %d\n",
+ procid, opno, fpath[i].path, errno);
+ goto out_fds;
+ }
+ inode_info(&info[i * INFO_SZ], INFO_SZ, &stat[i], v[i]);
+ }
+
+ /* Never try to dedupe more than half of the src file. */
+ len = (random() % FILELEN_MAX) + 1;
+ len &= ~(stat[0].st_blksize - 1);
+ if (len == 0)
+ len = stat[0].st_blksize / 2;
+ if (len > stat[0].st_size / 2)
+ len = stat[0].st_size / 2;
+
+ /* Calculate offsets */
+ lr = ((int64_t)random() << 32) + random();
+ if (stat[0].st_size == len)
+ off[0] = 0;
+ else
+ off[0] = (off64_t)(lr % MIN(stat[0].st_size - len, MAXFSIZE));
+ off[0] %= maxfsize;
+ off[0] &= ~(stat[0].st_blksize - 1);
+
+ /*
+ * If srcfile == destfile[i], randomly generate destination ranges
+ * until we find one that doesn't overlap the source range.
+ */
+ for (i = 1; i < nr; i++) {
+ int tries = 0;
+
+ do {
+ lr = ((int64_t)random() << 32) + random();
+ if (stat[i].st_size <= len)
+ off[i] = 0;
+ else
+ off[i] = (off64_t)(lr % MIN(stat[i].st_size - len, MAXFSIZE));
+ off[i] %= maxfsize;
+ off[i] &= ~(stat[i].st_blksize - 1);
+ } while (stat[0].st_ino == stat[i].st_ino &&
+ llabs(off[i] - off[0]) < len &&
+ tries++ < 10);
+ }
+
+ /* Clone data blocks */
+ fdr->src_offset = off[0];
+ fdr->src_length = len;
+ fdr->dest_count = nr - 1;
+ for (i = 1; i < nr; i++) {
+ fdr->info[i - 1].dest_fd = fd[i];
+ fdr->info[i - 1].dest_offset = off[i];
+ }
+
+ ret = ioctl(fd[0], FIDEDUPERANGE, fdr);
+ e = ret < 0 ? errno : 0;
+ if (v[0]) {
+ printf("%d/%d: deduperange from %s%s [%lld,%lld]",
+ procid, opno,
+ fpath[0].path, &info[0], (long long)off[0],
+ (long long)len);
+ if (ret < 0)
+ printf(" error %d", e);
+ printf("\n");
+ }
+ if (ret < 0)
+ goto out_fds;
+
+ for (i = 1; i < nr; i++) {
+ e = fdr->info[i - 1].status < 0 ? fdr->info[i - 1].status : 0;
+ if (v[i]) {
+ printf("%d/%d: ...to %s%s [%lld,%lld]",
+ procid, opno,
+ fpath[i].path, &info[i * INFO_SZ],
+ (long long)off[i], (long long)len);
+ if (fdr->info[i - 1].status < 0)
+ printf(" error %d", e);
+ if (fdr->info[i - 1].status == FILE_DEDUPE_RANGE_SAME)
+ printf(" %llu bytes deduplicated",
+ fdr->info[i - 1].bytes_deduped);
+ if (fdr->info[i - 1].status == FILE_DEDUPE_RANGE_DIFFERS)
+ printf(" differed");
+ printf("\n");
+ }
+ }
+
+out_fds:
+ for (i = 0; i < nr; i++)
+ if (fd[i] >= 0)
+ close(fd[i]);
+out_pathnames:
+ for (i = 0; i < nr; i++)
+ free_pathname(&fpath[i]);
+
+ free(fd);
+out_v:
+ free(v);
+out_offsets:
+ free(off);
+out_info:
+ free(info);
+out_stats:
+ free(stat);
+out_paths:
+ free(fpath);
+out_fdr:
+ free(fdr);
+#endif
+}
+
void
setxattr_f(int opno, long r)
{
uint p;
int v;
- init_pathname(&f);
- if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
- append_pathname(&f, ".");
- fd = open_path(&f, O_RDWR);
- e = fd < 0 ? errno : 0;
- check_cwd();
+ init_pathname(&f);
+ if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
+ append_pathname(&f, ".");
+ fd = open_path(&f, O_RDWR);
+ e = fd < 0 ? errno : 0;
+ check_cwd();
+
+ /* project ID */
+ p = (uint)random();
+ e = MIN(idmodulo, XFS_PROJIDMODULO_MAX);
+ nbits = (int)(random() % e);
+ p &= (1 << nbits) - 1;
+
+ if ((e = xfsctl(f.path, fd, XFS_IOC_FSGETXATTR, &fsx)) == 0) {
+ fsx.fsx_projid = p;
+ e = xfsctl(f.path, fd, XFS_IOC_FSSETXATTR, &fsx);
+ }
+ if (v)
+ printf("%d/%d: setxattr %s %u %d\n", procid, opno, f.path, p, e);
+ free_pathname(&f);
+ close(fd);
+#endif
+}
+
+void
+splice_f(int opno, long r)
+{
+ struct pathname fpath1;
+ struct pathname fpath2;
+ struct stat64 stat1;
+ struct stat64 stat2;
+ char inoinfo1[1024];
+ char inoinfo2[1024];
+ loff_t lr;
+ loff_t off1, off2;
+ size_t len;
+ loff_t offset1, offset2;
+ size_t length;
+ size_t total;
+ int v1;
+ int v2;
+ int fd1;
+ int fd2;
+ ssize_t ret1 = 0, ret2 = 0;
+ size_t bytes;
+ int e;
+ int filedes[2];
+
+ /* Load paths */
+ init_pathname(&fpath1);
+ if (!get_fname(FT_REGm, r, &fpath1, NULL, NULL, &v1)) {
+ if (v1)
+ printf("%d/%d: splice read - no filename\n",
+ procid, opno);
+ goto out_fpath1;
+ }
+
+ init_pathname(&fpath2);
+ if (!get_fname(FT_REGm, random(), &fpath2, NULL, NULL, &v2)) {
+ if (v2)
+ printf("%d/%d: splice write - no filename\n",
+ procid, opno);
+ goto out_fpath2;
+ }
+
+ /* Open files */
+ fd1 = open_path(&fpath1, O_RDONLY);
+ e = fd1 < 0 ? errno : 0;
+ check_cwd();
+ if (fd1 < 0) {
+ if (v1)
+ printf("%d/%d: splice read - open %s failed %d\n",
+ procid, opno, fpath1.path, e);
+ goto out_fpath2;
+ }
+
+ fd2 = open_path(&fpath2, O_WRONLY);
+ e = fd2 < 0 ? errno : 0;
+ check_cwd();
+ if (fd2 < 0) {
+ if (v2)
+ printf("%d/%d: splice write - open %s failed %d\n",
+ procid, opno, fpath2.path, e);
+ goto out_fd1;
+ }
+
+ /* Get file stats */
+ if (fstat64(fd1, &stat1) < 0) {
+ if (v1)
+ printf("%d/%d: splice read - fstat64 %s failed %d\n",
+ procid, opno, fpath1.path, errno);
+ goto out_fd2;
+ }
+ inode_info(inoinfo1, sizeof(inoinfo1), &stat1, v1);
+
+ if (fstat64(fd2, &stat2) < 0) {
+ if (v2)
+ printf("%d/%d: splice write - fstat64 %s failed %d\n",
+ procid, opno, fpath2.path, errno);
+ goto out_fd2;
+ }
+ inode_info(inoinfo2, sizeof(inoinfo2), &stat2, v2);
+
+ /* Calculate offsets */
+ len = (random() % FILELEN_MAX) + 1;
+ if (len == 0)
+ len = stat1.st_blksize;
+ if (len > stat1.st_size)
+ len = stat1.st_size;
+
+ lr = ((int64_t)random() << 32) + random();
+ if (stat1.st_size == len)
+ off1 = 0;
+ else
+ off1 = (off64_t)(lr % MIN(stat1.st_size - len, MAXFSIZE));
+ off1 %= maxfsize;
+
+ /*
+ * splice can overlap write, so the offset of the target file can be
+ * any number. But to avoid too large offset, add a clamp of 1024 blocks
+ * past the current dest file EOF
+ */
+ lr = ((int64_t)random() << 32) + random();
+ off2 = (off64_t)(lr % MIN(stat2.st_size + (1024ULL * stat2.st_blksize), MAXFSIZE));
- /* project ID */
- p = (uint)random();
- e = MIN(idmodulo, XFS_PROJIDMODULO_MAX);
- nbits = (int)(random() % e);
- p &= (1 << nbits) - 1;
+ /*
+ * Since len, off1 and off2 will be changed later, preserve their
+ * original values.
+ */
+ length = len;
+ offset1 = off1;
+ offset2 = off2;
+
+ /* Pipe initialize */
+ if (pipe(filedes) < 0) {
+ if (v1 || v2) {
+ printf("%d/%d: splice - pipe failed %d\n",
+ procid, opno, errno);
+ goto out_fd2;
+ }
+ }
- if ((e = xfsctl(f.path, fd, XFS_IOC_FSGETXATTR, &fsx)) == 0) {
- fsx.fsx_projid = p;
- e = xfsctl(f.path, fd, XFS_IOC_FSSETXATTR, &fsx);
+ bytes = 0;
+ total = 0;
+ while (len > 0) {
+ /* move to pipe buffer */
+ ret1 = splice(fd1, &off1, filedes[1], NULL, len, 0);
+ if (ret1 <= 0) {
+ break;
+ }
+ bytes = ret1;
+
+ /* move from pipe buffer to dst file */
+ while (bytes > 0) {
+ ret2 = splice(filedes[0], NULL, fd2, &off2, bytes, 0);
+ if (ret2 < 0) {
+ break;
+ }
+ bytes -= ret2;
+ }
+ if (ret2 < 0)
+ break;
+
+ len -= ret1;
+ total += ret1;
}
- if (v)
- printf("%d/%d: setxattr %s %u %d\n", procid, opno, f.path, p, e);
- free_pathname(&f);
- close(fd);
-#endif
+
+ if (ret1 < 0 || ret2 < 0)
+ e = errno;
+ else
+ e = 0;
+ if (v1 || v2) {
+ printf("%d/%d: splice %s%s [%lld,%lld] -> %s%s [%lld,%lld] %d",
+ procid, opno,
+ fpath1.path, inoinfo1, (long long)offset1, (long long)length,
+ fpath2.path, inoinfo2, (long long)offset2, (long long)length, e);
+
+ if (length && length > total)
+ printf(" asked for %lld, spliced %lld??\n",
+ (long long)length, (long long)total);
+ printf("\n");
+ }
+
+ close(filedes[0]);
+ close(filedes[1]);
+out_fd2:
+ close(fd2);
+out_fd1:
+ close(fd1);
+out_fpath2:
+ free_pathname(&fpath2);
+out_fpath1:
+ free_pathname(&fpath1);
}
void
int v;
int v1;
- if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v1))
+ if (!get_fname(FT_ANYDIR, r, NULL, NULL, &fep, &v1))
parid = -1;
else
parid = fep->id;
v |= v1;
if (!e) {
if (v) {
- (void)fent_to_name(&f, &flist[FT_DIR], fep);
+ (void)fent_to_name(&f, fep);
printf("%d/%d: creat - no filename from %s\n",
procid, opno, f.path);
}
if (xfsctl(f.path, fd, XFS_IOC_FSSETXATTR, &a) < 0)
e1 = errno;
}
- add_to_flist(type, id, parid);
+ add_to_flist(type, id, parid, 0);
close(fd);
}
if (v) {
void
dread_f(int opno, long r)
{
- __int64_t align;
+ int64_t align;
char *buf;
struct dioattr diob;
int e;
pathname_t f;
int fd;
size_t len;
- __int64_t lr;
+ int64_t lr;
off64_t off;
struct stat64 stb;
int v;
if (xfsctl(f.path, fd, XFS_IOC_DIOINFO, &diob) < 0) {
if (v)
printf(
- "%d/%d: dread - xfsctl(XFS_IOC_DIOINFO) %s%s failed %d\n",
+ "%d/%d: dread - xfsctl(XFS_IOC_DIOINFO) %s%s return %d,"
+ " fallback to stat()\n",
procid, opno, f.path, st, errno);
- free_pathname(&f);
- close(fd);
- return;
+ diob.d_mem = diob.d_miniosz = stb.st_blksize;
+ diob.d_maxiosz = INT_MAX & ~(diob.d_miniosz - 1);
}
dio_env = getenv("XFS_DIO_MIN");
if (dio_env)
diob.d_mem = diob.d_miniosz = atoi(dio_env);
- align = (__int64_t)diob.d_miniosz;
- lr = ((__int64_t)random() << 32) + random();
+ align = (int64_t)diob.d_miniosz;
+ lr = ((int64_t)random() << 32) + random();
off = (off64_t)(lr % stb.st_size);
off -= (off % align);
lseek64(fd, off, SEEK_SET);
void
dwrite_f(int opno, long r)
{
- __int64_t align;
+ int64_t align;
char *buf;
struct dioattr diob;
int e;
pathname_t f;
int fd;
size_t len;
- __int64_t lr;
+ int64_t lr;
off64_t off;
struct stat64 stb;
int v;
if (xfsctl(f.path, fd, XFS_IOC_DIOINFO, &diob) < 0) {
if (v)
printf("%d/%d: dwrite - xfsctl(XFS_IOC_DIOINFO)"
- " %s%s failed %d\n",
+ " %s%s return %d, fallback to stat()\n",
procid, opno, f.path, st, errno);
- free_pathname(&f);
- close(fd);
- return;
+ diob.d_mem = diob.d_miniosz = stb.st_blksize;
+ diob.d_maxiosz = INT_MAX & ~(diob.d_miniosz - 1);
}
dio_env = getenv("XFS_DIO_MIN");
if (dio_env)
diob.d_mem = diob.d_miniosz = atoi(dio_env);
- align = (__int64_t)diob.d_miniosz;
- lr = ((__int64_t)random() << 32) + random();
+ align = (int64_t)diob.d_miniosz;
+ lr = ((int64_t)random() << 32) + random();
off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
off -= (off % align);
lseek64(fd, off, SEEK_SET);
int e;
pathname_t f;
int fd;
- __int64_t lr;
+ int64_t lr;
off64_t off;
off64_t len;
struct stat64 stb;
return;
}
inode_info(st, sizeof(st), &stb, v);
- lr = ((__int64_t)random() << 32) + random();
+ lr = ((int64_t)random() << 32) + random();
off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
off %= maxfsize;
len = (off64_t)(random() % (1024 * 1024));
int e;
pathname_t f;
int fd;
- __int64_t lr;
+ int64_t lr;
off64_t off;
struct stat64 stb;
int v;
close(fd);
return;
}
- lr = ((__int64_t)random() << 32) + random();
+ lr = ((int64_t)random() << 32) + random();
off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
off %= maxfsize;
fiemap->fm_flags = random() & (FIEMAP_FLAGS_COMPAT | 0x10000);
fiemap->fm_extent_count = blocks_to_map;
fiemap->fm_mapped_extents = random() & 0xffff;
fiemap->fm_start = off;
- fiemap->fm_length = ((__int64_t)random() << 32) + random();
+ fiemap->fm_length = ((int64_t)random() << 32) + random();
e = ioctl(fd, FS_IOC_FIEMAP, (unsigned long)fiemap);
if (v)
pathname_t f;
int fd;
struct xfs_flock64 fl;
- __int64_t lr;
+ int64_t lr;
off64_t off;
struct stat64 stb;
int v;
return;
}
inode_info(st, sizeof(st), &stb, v);
- lr = ((__int64_t)random() << 32) + random();
+ lr = ((int64_t)random() << 32) + random();
off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
off %= maxfsize;
fl.l_whence = SEEK_SET;
int v;
init_pathname(&f);
- if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
+ if (!get_fname(FT_REGFILE | FT_DIRm, r, &f, NULL, NULL, &v)) {
if (v)
printf("%d/%d: fsync - no filename\n", procid, opno);
free_pathname(&f);
return;
}
- fd = open_path(&f, O_WRONLY);
+ fd = open_file_or_dir(&f, O_WRONLY);
e = fd < 0 ? errno : 0;
check_cwd();
if (fd < 0) {
close(fd);
}
+char *
+gen_random_string(int len)
+{
+ static const char charset[] = "0123456789"
+ "abcdefghijklmnopqrstuvwxyz"
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+ int i;
+ char *s;
+
+ if (len == 0)
+ return NULL;
+
+ s = malloc(len);
+ if (!s)
+ return NULL;
+
+ for (i = 0; i < len; i++)
+ s[i] = charset[random() % sizeof(charset)];
+
+ return s;
+}
+
void
getattr_f(int opno, long r)
{
int v;
init_pathname(&f);
- if (!get_fname(FT_DIRm, r, &f, NULL, NULL, &v))
+ if (!get_fname(FT_ANYDIR, r, &f, NULL, NULL, &v))
append_pathname(&f, ".");
dir = opendir_path(&f);
check_cwd();
closedir(dir);
}
+void
+getfattr_f(int opno, long r)
+{
+ fent_t *fep;
+ int e;
+ pathname_t f;
+ int v;
+ char name[XATTR_NAME_BUF_SIZE];
+ char *value = NULL;
+ int value_len;
+ int xattr_num;
+
+ init_pathname(&f);
+ if (!get_fname(FT_REGFILE | FT_ANYDIR, r, &f, NULL, &fep, &v)) {
+ if (v)
+ printf("%d/%d: getfattr - no filename\n", procid, opno);
+ goto out;
+ }
+ check_cwd();
+
+ /*
+ * If the file/dir has xattrs, pick one randomly, otherwise attempt
+ * to read a xattr that doesn't exist (fgetxattr should fail with
+ * errno set to ENOATTR (61) in this case).
+ */
+ if (fep->xattr_counter > 0)
+ xattr_num = (random() % fep->xattr_counter) + 1;
+ else
+ xattr_num = 0;
+
+ e = generate_xattr_name(xattr_num, name, sizeof(name));
+ if (e < 0) {
+ printf("%d/%d: getfattr - file %s failed to generate xattr name: %d\n",
+ procid, opno, f.path, e);
+ goto out;
+ }
+
+ value_len = getxattr(f.path, name, NULL, 0);
+ if (value_len < 0) {
+ if (v)
+ printf("%d/%d: getfattr file %s name %s failed %d\n",
+ procid, opno, f.path, name, errno);
+ goto out;
+ }
+
+ /* A xattr without value.*/
+ if (value_len == 0) {
+ e = 0;
+ goto out_log;
+ }
+
+ value = malloc(value_len);
+ if (!value) {
+ if (v)
+ printf("%d/%d: getfattr file %s failed to allocate buffer with %d bytes\n",
+ procid, opno, f.path, value_len);
+ goto out;
+ }
+
+ e = getxattr(f.path, name, value, value_len) < 0 ? errno : 0;
+out_log:
+ if (v)
+ printf("%d/%d: getfattr file %s name %s value length %d %d\n",
+ procid, opno, f.path, name, value_len, e);
+out:
+ free(value);
+ free_pathname(&f);
+}
+
void
link_f(int opno, long r)
{
int e;
pathname_t f;
fent_t *fep;
+ fent_t *fep_src;
flist_t *flp;
int id;
pathname_t l;
int v1;
init_pathname(&f);
- if (!get_fname(FT_NOTDIR, r, &f, &flp, NULL, &v1)) {
+ if (!get_fname(FT_NOTDIR, r, &f, &flp, &fep_src, &v1)) {
if (v1)
printf("%d/%d: link - no file\n", procid, opno);
free_pathname(&f);
v |= v1;
if (!e) {
if (v) {
- (void)fent_to_name(&l, &flist[FT_DIR], fep);
+ (void)fent_to_name(&l, fep);
printf("%d/%d: link - no filename from %s\n",
procid, opno, l.path);
}
e = link_path(&f, &l) < 0 ? errno : 0;
check_cwd();
if (e == 0)
- add_to_flist(flp - flist, id, parid);
+ add_to_flist(flp - flist, id, parid, fep_src->xattr_counter);
if (v) {
printf("%d/%d: link %s %s %d\n", procid, opno, f.path, l.path,
e);
free_pathname(&f);
}
+void
+listfattr_f(int opno, long r)
+{
+ fent_t *fep;
+ int e;
+ pathname_t f;
+ int v;
+ char *buffer = NULL;
+ int buffer_len;
+
+ init_pathname(&f);
+ if (!get_fname(FT_REGFILE | FT_ANYDIR, r, &f, NULL, &fep, &v)) {
+ if (v)
+ printf("%d/%d: listfattr - no filename\n", procid, opno);
+ goto out;
+ }
+ check_cwd();
+
+ e = listxattr(f.path, NULL, 0);
+ if (e < 0) {
+ if (v)
+ printf("%d/%d: listfattr %s failed %d\n",
+ procid, opno, f.path, errno);
+ goto out;
+ }
+ buffer_len = e;
+ if (buffer_len == 0) {
+ if (v)
+ printf("%d/%d: listfattr %s - has no extended attributes\n",
+ procid, opno, f.path);
+ goto out;
+ }
+
+ buffer = malloc(buffer_len);
+ if (!buffer) {
+ if (v)
+ printf("%d/%d: listfattr %s failed to allocate buffer with %d bytes\n",
+ procid, opno, f.path, buffer_len);
+ goto out;
+ }
+
+ e = listxattr(f.path, buffer, buffer_len) < 0 ? errno : 0;
+ if (v)
+ printf("%d/%d: listfattr %s buffer length %d %d\n",
+ procid, opno, f.path, buffer_len, e);
+out:
+ free(buffer);
+ free_pathname(&f);
+}
+
void
mkdir_f(int opno, long r)
{
int v;
int v1;
- if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v))
+ if (!get_fname(FT_ANYDIR, r, NULL, NULL, &fep, &v))
parid = -1;
else
parid = fep->id;
v |= v1;
if (!e) {
if (v) {
- (void)fent_to_name(&f, &flist[FT_DIR], fep);
+ (void)fent_to_name(&f, fep);
printf("%d/%d: mkdir - no filename from %s\n",
procid, opno, f.path);
}
e = mkdir_path(&f, 0777) < 0 ? errno : 0;
check_cwd();
if (e == 0)
- add_to_flist(FT_DIR, id, parid);
+ add_to_flist(FT_DIR, id, parid, 0);
if (v) {
printf("%d/%d: mkdir %s %d\n", procid, opno, f.path, e);
printf("%d/%d: mkdir add id=%d,parent=%d\n", procid, opno, id, parid);
int v;
int v1;
- if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v))
+ if (!get_fname(FT_ANYDIR, r, NULL, NULL, &fep, &v))
parid = -1;
else
parid = fep->id;
v |= v1;
if (!e) {
if (v) {
- (void)fent_to_name(&f, &flist[FT_DIR], fep);
+ (void)fent_to_name(&f, fep);
printf("%d/%d: mknod - no filename from %s\n",
procid, opno, f.path);
}
e = mknod_path(&f, S_IFCHR|0444, 0) < 0 ? errno : 0;
check_cwd();
if (e == 0)
- add_to_flist(FT_DEV, id, parid);
+ add_to_flist(FT_DEV, id, parid, 0);
if (v) {
printf("%d/%d: mknod %s %d\n", procid, opno, f.path, e);
printf("%d/%d: mknod add id=%d,parent=%d\n", procid, opno, id, parid);
free_pathname(&f);
}
+#ifdef HAVE_SYS_MMAN_H
+struct print_flags mmap_flags[] = {
+ { MAP_SHARED, "SHARED"},
+ { MAP_PRIVATE, "PRIVATE"},
+ { -1, NULL}
+};
+
+#define translate_mmap_flags(flags) \
+ ({translate_flags(flags, "|", mmap_flags);})
+#endif
+
+void
+do_mmap(int opno, long r, int prot)
+{
+#ifdef HAVE_SYS_MMAN_H
+ char *addr;
+ int e;
+ pathname_t f;
+ int fd;
+ size_t len;
+ int64_t lr;
+ off64_t off;
+ int flags;
+ struct stat64 stb;
+ int v;
+ char st[1024];
+ sigjmp_buf sigbus_jmpbuf;
+
+ init_pathname(&f);
+ if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
+ if (v)
+ printf("%d/%d: do_mmap - no filename\n", procid, opno);
+ free_pathname(&f);
+ return;
+ }
+ fd = open_path(&f, O_RDWR);
+ e = fd < 0 ? errno : 0;
+ check_cwd();
+ if (fd < 0) {
+ if (v)
+ printf("%d/%d: do_mmap - open %s failed %d\n",
+ procid, opno, f.path, e);
+ free_pathname(&f);
+ return;
+ }
+ if (fstat64(fd, &stb) < 0) {
+ if (v)
+ printf("%d/%d: do_mmap - fstat64 %s failed %d\n",
+ procid, opno, f.path, errno);
+ free_pathname(&f);
+ close(fd);
+ return;
+ }
+ inode_info(st, sizeof(st), &stb, v);
+ if (stb.st_size == 0) {
+ if (v)
+ printf("%d/%d: do_mmap - %s%s zero size\n", procid, opno,
+ f.path, st);
+ free_pathname(&f);
+ close(fd);
+ return;
+ }
+
+ lr = ((int64_t)random() << 32) + random();
+ off = (off64_t)(lr % stb.st_size);
+ off &= (off64_t)(~(sysconf(_SC_PAGE_SIZE) - 1));
+ len = (size_t)(random() % MIN(stb.st_size - off, FILELEN_MAX)) + 1;
+
+ flags = (random() % 2) ? MAP_SHARED : MAP_PRIVATE;
+ addr = mmap(NULL, len, prot, flags, fd, off);
+ e = (addr == MAP_FAILED) ? errno : 0;
+ if (e) {
+ if (v)
+ printf("%d/%d: do_mmap - mmap failed %s%s [%lld,%d,%s] %d\n",
+ procid, opno, f.path, st, (long long)off,
+ (int)len, translate_mmap_flags(flags), e);
+ free_pathname(&f);
+ close(fd);
+ return;
+ }
+
+ if (prot & PROT_WRITE) {
+ if ((e = sigsetjmp(sigbus_jmpbuf, 1)) == 0) {
+ sigbus_jmp = &sigbus_jmpbuf;
+ memset(addr, nameseq & 0xff, len);
+ }
+ } else {
+ char *buf;
+ if ((buf = malloc(len)) != NULL) {
+ memcpy(buf, addr, len);
+ free(buf);
+ }
+ }
+ munmap(addr, len);
+ /* set NULL to stop other functions from doing siglongjmp */
+ sigbus_jmp = NULL;
+
+ if (v)
+ printf("%d/%d: %s %s%s [%lld,%d,%s] %s\n",
+ procid, opno, (prot & PROT_WRITE) ? "mwrite" : "mread",
+ f.path, st, (long long)off, (int)len,
+ translate_mmap_flags(flags),
+ (e == 0) ? "0" : "Bus error");
+
+ free_pathname(&f);
+ close(fd);
+#endif
+}
+
+void
+mread_f(int opno, long r)
+{
+#ifdef HAVE_SYS_MMAN_H
+ do_mmap(opno, r, PROT_READ);
+#endif
+}
+
+void
+mwrite_f(int opno, long r)
+{
+#ifdef HAVE_SYS_MMAN_H
+ do_mmap(opno, r, PROT_WRITE);
+#endif
+}
+
void
punch_f(int opno, long r)
{
}
void
-read_f(int opno, long r)
+read_f(int opno, long r)
+{
+ char *buf;
+ int e;
+ pathname_t f;
+ int fd;
+ size_t len;
+ int64_t lr;
+ off64_t off;
+ struct stat64 stb;
+ int v;
+ char st[1024];
+
+ init_pathname(&f);
+ if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
+ if (v)
+ printf("%d/%d: read - no filename\n", procid, opno);
+ free_pathname(&f);
+ return;
+ }
+ fd = open_path(&f, O_RDONLY);
+ e = fd < 0 ? errno : 0;
+ check_cwd();
+ if (fd < 0) {
+ if (v)
+ printf("%d/%d: read - open %s failed %d\n",
+ procid, opno, f.path, e);
+ free_pathname(&f);
+ return;
+ }
+ if (fstat64(fd, &stb) < 0) {
+ if (v)
+ printf("%d/%d: read - fstat64 %s failed %d\n",
+ procid, opno, f.path, errno);
+ free_pathname(&f);
+ close(fd);
+ return;
+ }
+ inode_info(st, sizeof(st), &stb, v);
+ if (stb.st_size == 0) {
+ if (v)
+ printf("%d/%d: read - %s%s zero size\n", procid, opno,
+ f.path, st);
+ free_pathname(&f);
+ close(fd);
+ return;
+ }
+ lr = ((int64_t)random() << 32) + random();
+ off = (off64_t)(lr % stb.st_size);
+ lseek64(fd, off, SEEK_SET);
+ len = (random() % FILELEN_MAX) + 1;
+ buf = malloc(len);
+ e = read(fd, buf, len) < 0 ? errno : 0;
+ free(buf);
+ if (v)
+ printf("%d/%d: read %s%s [%lld,%d] %d\n",
+ procid, opno, f.path, st, (long long)off, (int)len, e);
+ free_pathname(&f);
+ close(fd);
+}
+
+void
+readlink_f(int opno, long r)
+{
+ char buf[PATH_MAX];
+ int e;
+ pathname_t f;
+ int v;
+
+ init_pathname(&f);
+ if (!get_fname(FT_SYMm, r, &f, NULL, NULL, &v)) {
+ if (v)
+ printf("%d/%d: readlink - no filename\n", procid, opno);
+ free_pathname(&f);
+ return;
+ }
+ e = readlink_path(&f, buf, PATH_MAX) < 0 ? errno : 0;
+ check_cwd();
+ if (v)
+ printf("%d/%d: readlink %s %d\n", procid, opno, f.path, e);
+ free_pathname(&f);
+}
+
+void
+readv_f(int opno, long r)
{
char *buf;
int e;
pathname_t f;
int fd;
size_t len;
- __int64_t lr;
+ int64_t lr;
off64_t off;
struct stat64 stb;
int v;
char st[1024];
+ struct iovec *iov = NULL;
+ int iovcnt;
+ size_t iovb;
+ size_t iovl;
+ int i;
init_pathname(&f);
if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
if (v)
- printf("%d/%d: read - no filename\n", procid, opno);
+ printf("%d/%d: readv - no filename\n", procid, opno);
free_pathname(&f);
return;
}
check_cwd();
if (fd < 0) {
if (v)
- printf("%d/%d: read - open %s failed %d\n",
+ printf("%d/%d: readv - open %s failed %d\n",
procid, opno, f.path, e);
free_pathname(&f);
return;
}
if (fstat64(fd, &stb) < 0) {
if (v)
- printf("%d/%d: read - fstat64 %s failed %d\n",
+ printf("%d/%d: readv - fstat64 %s failed %d\n",
procid, opno, f.path, errno);
free_pathname(&f);
close(fd);
inode_info(st, sizeof(st), &stb, v);
if (stb.st_size == 0) {
if (v)
- printf("%d/%d: read - %s%s zero size\n", procid, opno,
+ printf("%d/%d: readv - %s%s zero size\n", procid, opno,
f.path, st);
free_pathname(&f);
close(fd);
return;
}
- lr = ((__int64_t)random() << 32) + random();
+ lr = ((int64_t)random() << 32) + random();
off = (off64_t)(lr % stb.st_size);
lseek64(fd, off, SEEK_SET);
len = (random() % FILELEN_MAX) + 1;
buf = malloc(len);
- e = read(fd, buf, len) < 0 ? errno : 0;
+
+ iovcnt = (random() % MIN(len, IOV_MAX)) + 1;
+ iov = calloc(iovcnt, sizeof(struct iovec));
+ iovl = len / iovcnt;
+ iovb = 0;
+ for (i=0; i<iovcnt; i++) {
+ (iov + i)->iov_base = (buf + iovb);
+ (iov + i)->iov_len = iovl;
+ iovb += iovl;
+ }
+
+ e = readv(fd, iov, iovcnt) < 0 ? errno : 0;
free(buf);
if (v)
- printf("%d/%d: read %s%s [%lld,%d] %d\n",
- procid, opno, f.path, st, (long long)off, (int)len, e);
+ printf("%d/%d: readv %s%s [%lld,%d,%d] %d\n",
+ procid, opno, f.path, st, (long long)off, (int)iovl,
+ iovcnt, e);
free_pathname(&f);
close(fd);
}
void
-readlink_f(int opno, long r)
+removefattr_f(int opno, long r)
{
- char buf[PATH_MAX];
+ fent_t *fep;
int e;
pathname_t f;
int v;
+ char name[XATTR_NAME_BUF_SIZE];
+ int xattr_num;
init_pathname(&f);
- if (!get_fname(FT_SYMm, r, &f, NULL, NULL, &v)) {
+ if (!get_fname(FT_REGFILE | FT_ANYDIR, r, &f, NULL, &fep, &v)) {
if (v)
- printf("%d/%d: readlink - no filename\n", procid, opno);
- free_pathname(&f);
- return;
+ printf("%d/%d: removefattr - no filename\n", procid, opno);
+ goto out;
}
- e = readlink_path(&f, buf, PATH_MAX) < 0 ? errno : 0;
check_cwd();
+
+ /*
+ * If the file/dir has xattrs, pick one randomly, otherwise attempt to
+ * remove a xattr that doesn't exist (fremovexattr should fail with
+ * errno set to ENOATTR (61) in this case).
+ */
+ if (fep->xattr_counter > 0)
+ xattr_num = (random() % fep->xattr_counter) + 1;
+ else
+ xattr_num = 0;
+
+ e = generate_xattr_name(xattr_num, name, sizeof(name));
+ if (e < 0) {
+ printf("%d/%d: removefattr - file %s failed to generate xattr name: %d\n",
+ procid, opno, f.path, e);
+ goto out;
+ }
+
+ e = removexattr(f.path, name) < 0 ? errno : 0;
if (v)
- printf("%d/%d: readlink %s %d\n", procid, opno, f.path, e);
+ printf("%d/%d: removefattr file %s name %s %d\n",
+ procid, opno, f.path, name, e);
+out:
free_pathname(&f);
}
+struct print_flags renameat2_flags [] = {
+ { RENAME_NOREPLACE, "NOREPLACE"},
+ { RENAME_EXCHANGE, "EXCHANGE"},
+ { RENAME_WHITEOUT, "WHITEOUT"},
+ { -1, NULL}
+};
+
+#define translate_renameat2_flags(mode) \
+ ({translate_flags(mode, "|", renameat2_flags);})
+
void
-rename_f(int opno, long r)
+do_renameat2(int opno, long r, int mode)
{
fent_t *dfep;
int e;
pathname_t newf;
int oldid;
int parid;
+ int oldparid;
+ int which;
int v;
int v1;
/* get an existing path for the source of the rename */
init_pathname(&f);
- if (!get_fname(FT_ANYm, r, &f, &flp, &fep, &v1)) {
+ which = (mode == RENAME_WHITEOUT) ? FT_DEVm : FT_ANYm;
+ if (!get_fname(which, r, &f, &flp, &fep, &v1)) {
if (v1)
- printf("%d/%d: rename - no filename\n", procid, opno);
+ printf("%d/%d: rename - no source filename\n",
+ procid, opno);
free_pathname(&f);
return;
}
- /* get an existing directory for the destination parent directory name */
- if (!get_fname(FT_DIRm, random(), NULL, NULL, &dfep, &v))
- parid = -1;
- else
- parid = dfep->id;
- v |= v1;
+ /*
+ * Both pathnames must exist for the RENAME_EXCHANGE, and in
+ * order to maintain filelist/filename integrity, we should
+ * restrict exchange operation to files of the same type.
+ */
+ if (mode == RENAME_EXCHANGE) {
+ which = 1 << (flp - flist);
+ init_pathname(&newf);
+ if (!get_fname(which, random(), &newf, NULL, &dfep, &v)) {
+ if (v)
+ printf("%d/%d: rename - no target filename\n",
+ procid, opno);
+ free_pathname(&newf);
+ free_pathname(&f);
+ return;
+ }
+ if (which == FT_DIRm && (fents_ancestor_check(fep, dfep) ||
+ fents_ancestor_check(dfep, fep))) {
+ if (v)
+ printf("%d/%d: rename(REXCHANGE) %s and %s "
+ "have ancestor-descendant relationship\n",
+ procid, opno, f.path, newf.path);
+ free_pathname(&newf);
+ free_pathname(&f);
+ return;
+ }
+ v |= v1;
+ id = dfep->id;
+ parid = dfep->parent;
+ } else {
+ /*
+ * Get an existing directory for the destination parent
+ * directory name.
+ */
+ if (!get_fname(FT_DIRm, random(), NULL, NULL, &dfep, &v))
+ parid = -1;
+ else
+ parid = dfep->id;
+ v |= v1;
- /* generate a new path using an existing parent directory in name */
- init_pathname(&newf);
- e = generate_fname(dfep, flp - flist, &newf, &id, &v1);
- v |= v1;
- if (!e) {
- if (v) {
- (void)fent_to_name(&f, &flist[FT_DIR], dfep);
- printf("%d/%d: rename - no filename from %s\n",
- procid, opno, f.path);
+ /*
+ * Generate a new path using an existing parent directory
+ * in name.
+ */
+ init_pathname(&newf);
+ e = generate_fname(dfep, flp - flist, &newf, &id, &v1);
+ v |= v1;
+ if (!e) {
+ if (v) {
+ (void)fent_to_name(&f, dfep);
+ printf("%d/%d: rename - no filename from %s\n",
+ procid, opno, f.path);
+ }
+ free_pathname(&newf);
+ free_pathname(&f);
+ return;
}
- free_pathname(&newf);
- free_pathname(&f);
- return;
}
- e = rename_path(&f, &newf) < 0 ? errno : 0;
+ e = rename_path(&f, &newf, mode) < 0 ? errno : 0;
check_cwd();
if (e == 0) {
- if (flp - flist == FT_DIR) {
- oldid = fep->id;
- fix_parent(oldid, id);
+ int xattr_counter = fep->xattr_counter;
+ bool swap = (mode == RENAME_EXCHANGE) ? true : false;
+ int ft = flp - flist;
+
+ oldid = fep->id;
+ oldparid = fep->parent;
+
+ /*
+ * Swap the parent ids for RENAME_EXCHANGE, and replace the
+ * old parent id for the others.
+ */
+ if (ft == FT_DIR || ft == FT_SUBVOL)
+ fix_parent(oldid, id, swap);
+
+ if (mode == RENAME_WHITEOUT) {
+ fep->xattr_counter = 0;
+ add_to_flist(flp - flist, id, parid, xattr_counter);
+ } else if (mode == RENAME_EXCHANGE) {
+ fep->xattr_counter = dfep->xattr_counter;
+ dfep->xattr_counter = xattr_counter;
+ } else {
+ del_from_flist(flp - flist, fep - flp->fents);
+ add_to_flist(flp - flist, id, parid, xattr_counter);
}
- del_from_flist(flp - flist, fep - flp->fents);
- add_to_flist(flp - flist, id, parid);
}
if (v) {
- printf("%d/%d: rename %s to %s %d\n", procid, opno, f.path,
+ printf("%d/%d: rename(%s) %s to %s %d\n", procid,
+ opno, translate_renameat2_flags(mode), f.path,
newf.path, e);
if (e == 0) {
- printf("%d/%d: rename del entry: id=%d,parent=%d\n",
- procid, opno, fep->id, fep->parent);
- printf("%d/%d: rename add entry: id=%d,parent=%d\n",
+ printf("%d/%d: rename source entry: id=%d,parent=%d\n",
+ procid, opno, oldid, oldparid);
+ printf("%d/%d: rename target entry: id=%d,parent=%d\n",
procid, opno, id, parid);
}
}
free_pathname(&f);
}
+void
+rename_f(int opno, long r)
+{
+ do_renameat2(opno, r, 0);
+}
+
+void
+rnoreplace_f(int opno, long r)
+{
+ do_renameat2(opno, r, RENAME_NOREPLACE);
+}
+
+void
+rexchange_f(int opno, long r)
+{
+ do_renameat2(opno, r, RENAME_EXCHANGE);
+}
+
+void
+rwhiteout_f(int opno, long r)
+{
+ do_renameat2(opno, r, RENAME_WHITEOUT);
+}
+
void
resvsp_f(int opno, long r)
{
pathname_t f;
int fd;
struct xfs_flock64 fl;
- __int64_t lr;
+ int64_t lr;
off64_t off;
struct stat64 stb;
int v;
return;
}
inode_info(st, sizeof(st), &stb, v);
- lr = ((__int64_t)random() << 32) + random();
+ lr = ((int64_t)random() << 32) + random();
off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
off %= maxfsize;
fl.l_whence = SEEK_SET;
int e;
pathname_t f;
fent_t *fep;
+ int oldid;
+ int oldparid;
int v;
init_pathname(&f);
}
e = rmdir_path(&f) < 0 ? errno : 0;
check_cwd();
- if (e == 0)
+ if (e == 0) {
+ oldid = fep->id;
+ oldparid = fep->parent;
del_from_flist(FT_DIR, fep - flist[FT_DIR].fents);
+ }
if (v) {
printf("%d/%d: rmdir %s %d\n", procid, opno, f.path, e);
if (e == 0)
printf("%d/%d: rmdir del entry: id=%d,parent=%d\n",
- procid, opno, fep->id, fep->parent);
+ procid, opno, oldid, oldparid);
}
free_pathname(&f);
}
close(fd);
}
+void
+setfattr_f(int opno, long r)
+{
+ int e;
+ pathname_t f;
+ fent_t *fep;
+ int v;
+ int value_len;
+ char name[XATTR_NAME_BUF_SIZE];
+ char *value = NULL;
+ int flag = 0;
+ int xattr_num;
+
+ init_pathname(&f);
+ if (!get_fname(FT_REGFILE | FT_ANYDIR, r, &f, NULL, &fep, &v)) {
+ if (v)
+ printf("%d/%d: setfattr - no filename\n", procid, opno);
+ goto out;
+ }
+ check_cwd();
+
+ if ((fep->xattr_counter > 0) && (random() % 2)) {
+ /*
+ * Use an existing xattr name for replacing its value or
+ * create again a xattr that was previously deleted.
+ */
+ xattr_num = (random() % fep->xattr_counter) + 1;
+ if (random() % 2)
+ flag = XATTR_REPLACE;
+ } else {
+ /* Use a new xattr name. */
+ xattr_num = fep->xattr_counter + 1;
+ /*
+ * Don't always use the create flag because even if our xattr
+ * counter is 0, we may still have xattrs associated to this
+ * file (this happens when xattrs are added to a file through
+ * one of its other hard links), so we can end up updating an
+ * existing xattr too.
+ */
+ if (random() % 2)
+ flag = XATTR_CREATE;
+ }
+
+ /*
+ * The maximum supported value size depends on the filesystem
+ * implementation, but 100 bytes is a safe value for most filesystems
+ * at least.
+ */
+ value_len = random() % 101;
+ value = gen_random_string(value_len);
+ if (!value && value_len > 0) {
+ if (v)
+ printf("%d/%d: setfattr - file %s failed to allocate value with %d bytes\n",
+ procid, opno, f.path, value_len);
+ goto out;
+ }
+ e = generate_xattr_name(xattr_num, name, sizeof(name));
+ if (e < 0) {
+ printf("%d/%d: setfattr - file %s failed to generate xattr name: %d\n",
+ procid, opno, f.path, e);
+ goto out;
+ }
+
+ e = setxattr(f.path, name, value, value_len, flag) < 0 ? errno : 0;
+ if (e == 0)
+ fep->xattr_counter++;
+ if (v)
+ printf("%d/%d: setfattr file %s name %s flag %s value length %d: %d\n",
+ procid, opno, f.path, name, xattr_flag_to_string(flag),
+ value_len, e);
+out:
+ free(value);
+ free_pathname(&f);
+}
+
+void
+snapshot_f(int opno, long r)
+{
+#ifdef HAVE_BTRFSUTIL_H
+ enum btrfs_util_error e;
+ pathname_t f;
+ pathname_t newf;
+ fent_t *fep;
+ int id;
+ int parid;
+ int v;
+ int v1;
+ int err;
+
+ init_pathname(&f);
+ if (!get_fname(FT_SUBVOLm, r, &f, NULL, &fep, &v)) {
+ if (v)
+ printf("%d/%d: snapshot - no subvolume\n", procid,
+ opno);
+ free_pathname(&f);
+ return;
+ }
+ init_pathname(&newf);
+ parid = fep->id;
+ err = generate_fname(fep, FT_SUBVOL, &newf, &id, &v1);
+ v |= v1;
+ if (!err) {
+ if (v) {
+ (void)fent_to_name(&f, fep);
+ printf("%d/%d: snapshot - no filename from %s\n",
+ procid, opno, f.path);
+ }
+ free_pathname(&f);
+ return;
+ }
+ e = btrfs_util_create_snapshot(f.path, newf.path, 0, NULL, NULL);
+ if (e == BTRFS_UTIL_OK)
+ add_to_flist(FT_SUBVOL, id, parid, 0);
+ if (v) {
+ printf("%d/%d: snapshot %s->%s %d(%s)\n", procid, opno,
+ f.path, newf.path, e, btrfs_util_strerror(e));
+ printf("%d/%d: snapshot add id=%d,parent=%d\n", procid, opno,
+ id, parid);
+ }
+ free_pathname(&newf);
+ free_pathname(&f);
+#endif
+}
+
void
stat_f(int opno, long r)
{
free_pathname(&f);
}
+void
+subvol_create_f(int opno, long r)
+{
+#ifdef HAVE_BTRFSUTIL_H
+ enum btrfs_util_error e;
+ pathname_t f;
+ fent_t *fep;
+ int id;
+ int parid;
+ int v;
+ int v1;
+ int err;
+
+ init_pathname(&f);
+ if (!get_fname(FT_ANYDIR, r, NULL, NULL, &fep, &v))
+ parid = -1;
+ else
+ parid = fep->id;
+ err = generate_fname(fep, FT_SUBVOL, &f, &id, &v1);
+ v |= v1;
+ if (!err) {
+ if (v) {
+ (void)fent_to_name(&f, fep);
+ printf("%d/%d: subvol_create - no filename from %s\n",
+ procid, opno, f.path);
+ }
+ free_pathname(&f);
+ return;
+ }
+ e = btrfs_util_create_subvolume(f.path, 0, NULL, NULL);
+ if (e == BTRFS_UTIL_OK)
+ add_to_flist(FT_SUBVOL, id, parid, 0);
+ if (v) {
+ printf("%d/%d: subvol_create %s %d(%s)\n", procid, opno,
+ f.path, e, btrfs_util_strerror(e));
+ printf("%d/%d: subvol_create add id=%d,parent=%d\n", procid,
+ opno, id, parid);
+ }
+ free_pathname(&f);
+#endif
+}
+
+void
+subvol_delete_f(int opno, long r)
+{
+#ifdef HAVE_BTRFSUTIL_H
+ enum btrfs_util_error e;
+ pathname_t f;
+ fent_t *fep;
+ int v;
+ int oldid;
+ int oldparid;
+
+ init_pathname(&f);
+ if (!get_fname(FT_SUBVOLm, r, &f, NULL, &fep, &v)) {
+ if (v)
+ printf("%d:%d: subvol_delete - no subvolume\n", procid,
+ opno);
+ free_pathname(&f);
+ return;
+ }
+ e = btrfs_util_delete_subvolume(f.path, 0);
+ check_cwd();
+ if (e == BTRFS_UTIL_OK) {
+ oldid = fep->id;
+ oldparid = fep->parent;
+ delete_subvol_children(oldid);
+ del_from_flist(FT_SUBVOL, fep - flist[FT_SUBVOL].fents);
+ }
+ if (v) {
+ printf("%d/%d: subvol_delete %s %d(%s)\n", procid, opno, f.path,
+ e, btrfs_util_strerror(e));
+ if (e == BTRFS_UTIL_OK)
+ printf("%d/%d: subvol_delete del entry: id=%d,parent=%d\n",
+ procid, opno, oldid, oldparid);
+ }
+ free_pathname(&f);
+#endif
+}
+
void
symlink_f(int opno, long r)
{
int v1;
char *val;
- if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v))
+ if (!get_fname(FT_ANYDIR, r, NULL, NULL, &fep, &v))
parid = -1;
else
parid = fep->id;
v |= v1;
if (!e) {
if (v) {
- (void)fent_to_name(&f, &flist[FT_DIR], fep);
+ (void)fent_to_name(&f, fep);
printf("%d/%d: symlink - no filename from %s\n",
procid, opno, f.path);
}
e = symlink_path(val, &f) < 0 ? errno : 0;
check_cwd();
if (e == 0)
- add_to_flist(FT_SYM, id, parid);
+ add_to_flist(FT_SYM, id, parid, 0);
free(val);
if (v) {
printf("%d/%d: symlink %s %d\n", procid, opno, f.path, e);
{
int e;
pathname_t f;
- __int64_t lr;
+ int64_t lr;
off64_t off;
struct stat64 stb;
int v;
return;
}
inode_info(st, sizeof(st), &stb, v);
- lr = ((__int64_t)random() << 32) + random();
+ lr = ((int64_t)random() << 32) + random();
off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
off %= maxfsize;
e = truncate64_path(&f, off) < 0 ? errno : 0;
pathname_t f;
fent_t *fep;
flist_t *flp;
+ int oldid;
+ int oldparid;
int v;
init_pathname(&f);
}
e = unlink_path(&f) < 0 ? errno : 0;
check_cwd();
- if (e == 0)
+ if (e == 0) {
+ oldid = fep->id;
+ oldparid = fep->parent;
del_from_flist(flp - flist, fep - flp->fents);
+ }
if (v) {
printf("%d/%d: unlink %s %d\n", procid, opno, f.path, e);
if (e == 0)
printf("%d/%d: unlink del entry: id=%d,parent=%d\n",
- procid, opno, fep->id, fep->parent);
+ procid, opno, oldid, oldparid);
}
free_pathname(&f);
}
pathname_t f;
int fd;
struct xfs_flock64 fl;
- __int64_t lr;
+ int64_t lr;
off64_t off;
struct stat64 stb;
int v;
return;
}
inode_info(st, sizeof(st), &stb, v);
- lr = ((__int64_t)random() << 32) + random();
+ lr = ((int64_t)random() << 32) + random();
off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
off %= maxfsize;
fl.l_whence = SEEK_SET;
close(fd);
}
+void
+uring_read_f(int opno, long r)
+{
+#ifdef URING
+ do_uring_rw(opno, r, O_RDONLY);
+#endif
+}
+
+void
+uring_write_f(int opno, long r)
+{
+#ifdef URING
+ do_uring_rw(opno, r, O_WRONLY);
+#endif
+}
+
void
write_f(int opno, long r)
{
pathname_t f;
int fd;
size_t len;
- __int64_t lr;
+ int64_t lr;
off64_t off;
struct stat64 stb;
int v;
return;
}
inode_info(st, sizeof(st), &stb, v);
- lr = ((__int64_t)random() << 32) + random();
+ lr = ((int64_t)random() << 32) + random();
off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
off %= maxfsize;
lseek64(fd, off, SEEK_SET);
free_pathname(&f);
close(fd);
}
+
+void
+writev_f(int opno, long r)
+{
+ char *buf;
+ int e;
+ pathname_t f;
+ int fd;
+ size_t len;
+ int64_t lr;
+ off64_t off;
+ struct stat64 stb;
+ int v;
+ char st[1024];
+ struct iovec *iov = NULL;
+ int iovcnt;
+ size_t iovb;
+ size_t iovl;
+ int i;
+
+ init_pathname(&f);
+ if (!get_fname(FT_REGm, r, &f, NULL, NULL, &v)) {
+ if (v)
+ printf("%d/%d: writev - no filename\n", procid, opno);
+ free_pathname(&f);
+ return;
+ }
+ fd = open_path(&f, O_WRONLY);
+ e = fd < 0 ? errno : 0;
+ check_cwd();
+ if (fd < 0) {
+ if (v)
+ printf("%d/%d: writev - open %s failed %d\n",
+ procid, opno, f.path, e);
+ free_pathname(&f);
+ return;
+ }
+ if (fstat64(fd, &stb) < 0) {
+ if (v)
+ printf("%d/%d: writev - fstat64 %s failed %d\n",
+ procid, opno, f.path, errno);
+ free_pathname(&f);
+ close(fd);
+ return;
+ }
+ inode_info(st, sizeof(st), &stb, v);
+ lr = ((int64_t)random() << 32) + random();
+ off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
+ off %= maxfsize;
+ lseek64(fd, off, SEEK_SET);
+ len = (random() % FILELEN_MAX) + 1;
+ buf = malloc(len);
+ memset(buf, nameseq & 0xff, len);
+
+ iovcnt = (random() % MIN(len, IOV_MAX)) + 1;
+ iov = calloc(iovcnt, sizeof(struct iovec));
+ iovl = len / iovcnt;
+ iovb = 0;
+ for (i=0; i<iovcnt; i++) {
+ (iov + i)->iov_base = (buf + iovb);
+ (iov + i)->iov_len = iovl;
+ iovb += iovl;
+ }
+
+ e = writev(fd, iov, iovcnt) < 0 ? errno : 0;
+ free(buf);
+ free(iov);
+ if (v)
+ printf("%d/%d: writev %s%s [%lld,%d,%d] %d\n",
+ procid, opno, f.path, st, (long long)off, (int)iovl,
+ iovcnt, e);
+ free_pathname(&f);
+ close(fd);
+}
+
+char *
+xattr_flag_to_string(int flag)
+{
+ if (flag == XATTR_CREATE)
+ return "create";
+ if (flag == XATTR_REPLACE)
+ return "replace";
+ return "none";
+}
projects / xfstests-dev.git / blobdiff