#include <setjmp.h>
#include <sys/uio.h>
#include <stddef.h>
+#include <stdbool.h>
#include "global.h"
+#ifdef HAVE_BTRFSUTIL_H
+#include <btrfsutil.h>
+#endif
#ifdef HAVE_ATTR_ATTRIBUTES_H
#include <attr/attributes.h>
#endif
io_context_t io_ctx;
#endif
#include <sys/syscall.h>
+#include <sys/xattr.h>
#ifndef FS_IOC_GETFLAGS
#define FS_IOC_GETFLAGS _IOR('f', 1, long)
#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_FSYNC,
OP_GETATTR,
OP_GETDENTS,
+ OP_GETFATTR,
OP_LINK,
+ OP_LISTFATTR,
OP_MKDIR,
OP_MKNOD,
OP_MREAD,
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,
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 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 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 unresvsp_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_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_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 },
{ 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 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);
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)
{
exit(1);
}
+ non_btrfs_freq(dirname);
(void)mkdir(dirname, 0777);
if (logname && logname[0] != '/') {
if (!getcwd(rpath, sizeof(rpath))){
}
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
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;
}
* 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:"
}
}
+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)
{
}
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);
+ rval = rename_path(&newname1, &newname2, mode);
assert(chdir("..") == 0);
}
} else {
append_pathname(&newname2, "../");
append_pathname(&newname2, name2->path);
if (chdir(buf1) == 0) {
- rval = rename_path(&newname1, &newname2);
+ rval = rename_path(&newname1, &newname2, mode);
assert(chdir("..") == 0);
}
} else {
append_pathname(&newname1, "../");
append_pathname(&newname1, name1->path);
if (chdir(buf2) == 0) {
- rval = rename_path(&newname1, &newname2);
+ rval = rename_path(&newname1, &newname2, mode);
assert(chdir("..") == 0);
}
}
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)
struct io_event event;
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: afsync - no filename\n", procid, opno);
free_pathname(&f);
return;
}
- fd = open_path(&f, O_WRONLY | O_DIRECT);
+ fd = open_file_or_dir(&f, O_WRONLY | O_DIRECT);
e = fd < 0 ? errno : 0;
check_cwd();
if (fd < 0) {
int fd;
__u64 last;
int nent;
- xfs_bstat_t *t;
+ struct xfs_bstat *t;
int64_t total;
- xfs_fsop_bulkreq_t bsr;
+ 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;
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;
+ size_t ret = 0;
int e;
/* Load paths */
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)
+ } else if (ret > len || ret == 0)
break;
else if (ret > 0)
len -= ret;
if (v1 || v2) {
printf("%d/%d: copyrange %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);
+ 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);
off2 = (off64_t)(lr % MIN(stat2.st_size + (1024ULL * stat2.st_blksize), MAXFSIZE));
/*
- * Due to len, off1 and off2 will be changed later, so record the
- * original number at here
+ * Since len, off1 and off2 will be changed later, preserve their
+ * original values.
*/
length = len;
offset1 = off1;
while (len > 0) {
/* move to pipe buffer */
ret1 = splice(fd1, &off1, filedes[1], NULL, len, 0);
- if (ret1 < 0) {
+ if (ret1 <= 0) {
break;
}
bytes = ret1;
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) {
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);
}
void
-rename_f(int opno, long r)
+removefattr_f(int opno, long r)
+{
+ 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_REGFILE | FT_ANYDIR, r, &f, NULL, &fep, &v)) {
+ if (v)
+ printf("%d/%d: removefattr - no filename\n", procid, opno);
+ goto out;
+ }
+ 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: 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
+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)
{
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);
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);
}
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