* 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 "global.h"
#ifdef HAVE_ATTR_XATTR_H
#ifdef HAVE_LINUX_FIEMAP_H
#include <linux/fiemap.h>
#endif
-#ifdef FALLOCATE
-#include <linux/falloc.h>
-#ifndef FALLOC_FL_PUNCH_HOLE
-/* Copy-paste from linux/falloc.h */
-#define FALLOC_FL_PUNCH_HOLE 0x02 /* de-allocates range */
-#endif
-#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>
+io_context_t io_ctx;
+#endif
-#include <linux/fs.h>
#ifndef FS_IOC_GETFLAGS
#define FS_IOC_GETFLAGS _IOR('f', 1, long)
#endif
#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
#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_CREAT,
+ OP_DEDUPERANGE,
OP_DREAD,
OP_DWRITE,
OP_FALLOCATE,
OP_LINK,
OP_MKDIR,
OP_MKNOD,
+ OP_MREAD,
+ OP_MWRITE,
OP_PUNCH,
+ OP_ZERO,
+ OP_COLLAPSE,
+ OP_INSERT,
OP_READ,
OP_READLINK,
+ OP_READV,
OP_RENAME,
OP_RESVSP,
OP_RMDIR,
OP_UNLINK,
OP_UNRESVSP,
OP_WRITE,
+ OP_WRITEV,
OP_LAST
} opty_t;
char *path;
} pathname_t;
+struct print_flags {
+ unsigned long mask;
+ const char *name;
+};
+
+struct print_string {
+ char *buffer;
+ int len;
+ int max;
+};
+
#define FT_DIR 0
#define FT_DIRm (1 << FT_DIR)
#define FT_REG 1
#define MAXFSIZE ((1ULL << 63) - 1ULL)
#define MAXFSIZE32 ((1ULL << 40) - 1ULL)
+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 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 link_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 rename_f(int, long);
void resvsp_f(int, long);
void rmdir_f(int, long);
void unlink_f(int, long);
void unresvsp_f(int, long);
void write_f(int, long);
+void writev_f(int, long);
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_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_LINK, "link", link_f, 1, 1 },
{ 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 },
{ OP_RENAME, "rename", rename_f, 2, 1 },
{ OP_RESVSP, "resvsp", resvsp_f, 1, 1 },
{ OP_RMDIR, "rmdir", rmdir_f, 1, 1 },
{ OP_UNLINK, "unlink", unlink_f, 1, 1 },
{ OP_UNRESVSP, "unresvsp", unresvsp_f, 1, 1 },
{ OP_WRITE, "write", write_f, 4, 1 },
+ { OP_WRITEV, "writev", writev_f, 4, 1 },
}, *ops_end;
flist_t flist[FT_nft] = {
int rtpct;
unsigned long seed = 0;
ino_t top_ino;
+int cleanup = 0;
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 append_pathname(pathname_t *, char *);
int attr_remove_path(pathname_t *, const char *, int);
int attr_set_path(pathname_t *, const char *, const char *, const int, 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);
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)
int nousage = 0;
xfs_error_injection_t err_inj;
struct sigaction action;
+ int loops = 1;
+ const char *allopts = "cd:e:f:i:l:m:M:n:o:p:rs:S:vVwx:X:zH";
errrange = errtag = 0;
umask(0);
nops = sizeof(ops) / sizeof(ops[0]);
ops_end = &ops[nops];
myprog = argv[0];
- while ((c = getopt(argc, argv, "d:e:f:i:m:M:n:o:p:rs:S:vwzH")) != -1) {
+ while ((c = getopt(argc, argv, allopts)) != -1) {
switch (c) {
+ case 'c':
+ cleanup = 1;
+ break;
case 'd':
dirname = optarg;
break;
exit(1);
}
break;
+ case 'l':
+ loops = atoi(optarg);
+ break;
case 'n':
operations = atoi(optarg);
break;
case 'w':
write_freq();
break;
+ case 'x':
+ execute_cmd = optarg;
+ break;
case 'z':
zero_freq();
break;
printf("\n");
nousage=1;
break;
+ case 'V':
+ verifiable_log = 1;
+ break;
+
+ case 'X':
+ execute_freq = strtoul(optarg, NULL, 0);
+ break;
case '?':
fprintf(stderr, "%s - invalid parameters\n",
myprog);
(void)mkdir(dirname, 0777);
if (logname && logname[0] != '/') {
- if (getcwd(rpath, sizeof(rpath)) < 0){
+ if (!getcwd(rpath, sizeof(rpath))){
perror("getcwd failed");
exit(1);
}
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? */
}
}
procid = i;
- doproc();
+#ifdef AIO
+ if (io_setup(128, &io_ctx) != 0) {
+ fprintf(stderr, "io_setup failed");
+ 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
+
+ cleanup_flist();
+ free(freq_table);
return 0;
}
}
close(fd);
}
+ free(freq_table);
unlink(buf);
return 0;
}
+int
+add_string(struct print_string *str, const char *add)
+{
+ int len = strlen(add);
+
+ if (len <= 0)
+ return 0;
+
+ if (len > (str->max - 1) - str->len) {
+ str->len = str->max - 1;
+ return 0;
+ }
+
+ memcpy(str->buffer + str->len, add, len);
+ str->len += len;
+ str->buffer[str->len] = '\0';
+
+ return len;
+}
+
+char *
+translate_flags(int flags, const char *delim,
+ const struct print_flags *flag_array)
+{
+ int i, mask, first = 1;
+ const char *add;
+
+ if (!flag_str.buffer) {
+ flag_str.buffer = malloc(4096);
+ flag_str.max = 4096;
+ flag_str.len = 0;
+ }
+ if (!flag_str.buffer)
+ return NULL;
+ flag_str.len = 0;
+ flag_str.buffer[0] = '\0';
+
+ for (i = 0; flag_array[i].name && flags; i++) {
+ mask = flag_array[i].mask;
+ if ((flags & mask) != mask)
+ continue;
+
+ add = flag_array[i].name;
+ flags &= ~mask;
+ if (!first && delim)
+ add_string(&flag_str, delim);
+ else
+ first = 0;
+ add_string(&flag_str, add);
+ }
+
+ /* Check whether there are any leftover flags. */
+ if (flags) {
+ int ret;
+ char number[11];
+
+ if (!first && delim)
+ add_string(&flag_str, delim);
+
+ ret = snprintf(number, 11, "0x%x", flags) > 0;
+ if (ret > 0 && ret <= 11)
+ add_string(&flag_str, number);
+ }
+
+ return flag_str.buffer;
+}
+
void
add_to_flist(int ft, int id, int parent)
{
#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)
{
{
struct stat64 statbuf;
char buf[10];
+ char cmd[64];
int opno;
int rval;
opdesc_t *p;
+ int dividend;
+ dividend = (operations + execute_freq) / (execute_freq + 1);
sprintf(buf, "p%x", procid);
(void)mkdir(buf, 0777);
if (chdir(buf) < 0 || stat64(".", &statbuf) < 0) {
_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)
namerand = random();
for (opno = 0; opno < operations; opno++) {
+ if (execute_cmd && opno && opno % dividend == 0) {
+ if (verbose)
+ printf("%d: execute command %s\n", opno,
+ execute_cmd);
+ rval = system(execute_cmd);
+ if (rval)
+ fprintf(stderr, "execute command failed with "
+ "%d\n", rval);
+ }
p = &ops[freq_table[random() % freq_table_size]];
p->func(opno, random());
/*
rval = stat64(".", &statbuf);
if (rval == EIO) {
fprintf(stderr, "Detected EIO\n");
- return;
+ goto errout;
}
}
}
+errout:
+ chdir("..");
+ free(homedir);
+ if (cleanup) {
+ sprintf(cmd, "rm -rf %s", buf);
+ system(cmd);
+ cleanup_flist();
+ }
}
/*
usage(void)
{
printf("Usage: %s -H or\n", myprog);
- printf(" %s [-d dir][-e errtg][-f op_name=freq][-n nops]\n",
+ printf(" %s [-c][-d dir][-e errtg][-f op_name=freq][-l loops][-n nops]\n",
myprog);
- printf(" [-p nproc][-r len][-s seed][-v][-w][-z][-S]\n");
+ printf(" [-p nproc][-r len][-s seed][-v][-w][-x cmd][-z][-S][-X ncmd]\n");
printf("where\n");
+ printf(" -c clean up the test directory after each run\n");
printf(" -d dir specifies the base directory for operations\n");
printf(" -e errtg specifies error injection stuff\n");
printf(" -f op_name=freq changes the frequency of option name to freq\n");
printf(" the valid operation names are:\n");
- printf(" -i filenum get verbose output for this nth file object\n");
show_ops(-1, " ");
+ printf(" -i filenum get verbose output for this nth file object\n");
+ printf(" -l loops specifies the no. of times the testrun should loop.\n");
+ printf(" *use 0 for infinite (default 1)\n");
printf(" -m modulo uid/gid modulo for chown/chgrp (default 32)\n");
printf(" -n nops specifies the no. of operations per process (default 1)\n");
+ printf(" -o logfile specifies logfile name\n");
printf(" -p nproc specifies the no. of processes (default 1)\n");
printf(" -r specifies random name padding\n");
printf(" -s seed specifies the seed for the random generator (default random)\n");
printf(" -v specifies verbose mode\n");
printf(" -w zeros frequencies of non-write operations\n");
+ printf(" -x cmd execute command in the middle of operations\n");
printf(" -z zeros frequencies of all operations\n");
printf(" -S [c,t] prints the list of operations (omitting zero frequency) in command line or table style\n");
+ printf(" -V specifies verifiable logging mode (omitting inode numbers)\n");
+ printf(" -X ncmd number of calls to the -x command (default 1)\n");
printf(" -H prints usage and exits\n");
}
void inode_info(char *str, size_t sz, struct stat64 *s, int verbose)
{
if (verbose)
- snprintf(str, sz, "[%ld %ld %d %d %lld %lld]", (long)s->st_ino,
+ snprintf(str, sz, "[%ld %ld %d %d %lld %lld]",
+ verifiable_log ? -1: (long)s->st_ino,
(long)s->st_nlink, s->st_uid, s->st_gid,
(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, 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);
+ 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)
{
close(fd);
}
+#ifdef AIO
+void
+do_aio_rw(int opno, long r, int flags)
+{
+ __int64_t align;
+ char *buf;
+ struct dioattr diob;
+ int e;
+ pathname_t f;
+ int fd;
+ 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_REGFILE, r, &f, NULL, NULL, &v)) {
+ if (v)
+ printf("%d/%d: do_aio_rw - no filename\n", procid, opno);
+ free_pathname(&f);
+ return;
+ }
+ 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);
+ free_pathname(&f);
+ return;
+ }
+ if (fstat64(fd, &stb) < 0) {
+ if (v)
+ printf("%d/%d: do_aio_rw - fstat64 %s failed %d\n",
+ procid, opno, f.path, errno);
+ free_pathname(&f);
+ close(fd);
+ return;
+ }
+ 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);
+ free_pathname(&f);
+ close(fd);
+ return;
+ }
+ if (xfsctl(f.path, fd, XFS_IOC_DIOINFO, &diob) < 0) {
+ if (v)
+ printf(
+ "%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);
+ }
+ 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 (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);
+ free_pathname(&f);
+ close(fd);
+ return;
+ }
+ 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);
+ free_pathname(&f);
+ close(fd);
+ return;
+ }
+
+ e = event.res != len ? event.res2 : 0;
+ free(buf);
+ if (v)
+ printf("%d/%d: %s %s%s [%lld,%d] %d\n",
+ procid, opno, iswrite ? "awrite" : "aread",
+ f.path, st, (long long)off, (int)len, e);
+ free_pathname(&f);
+ close(fd);
+}
+#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)
{
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)
{
bsr.icount=1;
bsr.ubuffer=&t;
bsr.ocount=NULL;
-
e = xfsctl(".", fd, XFS_IOC_FSBULKSTAT_SINGLE, &bsr) < 0 ? errno : 0;
if (v)
printf("%d/%d: bulkstat1 %s ino %lld %d\n",
- procid, opno, good?"real":"random", (long long)ino, e);
+ procid, opno, good?"real":"random",
+ verifiable_log ? -1LL : (long long)ino, e);
close(fd);
}
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;
+ 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.
+ */
+ do {
+ lr = ((__int64_t)random() << 32) + random();
+ off2 = (off64_t)(lr % MIN(stat2.st_size + (1024 * 1024), MAXFSIZE));
+ 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
+}
+
+/* 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)
{
struct stat64 stb;
int v;
char st[1024];
+ char *dio_env;
init_pathname(&f);
if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &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();
off = (off64_t)(lr % stb.st_size);
struct stat64 stb;
int v;
char st[1024];
+ char *dio_env;
init_pathname(&f);
if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &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();
off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
close(fd);
}
+
+#ifdef HAVE_LINUX_FALLOC_H
+struct print_flags falloc_flags [] = {
+ { FALLOC_FL_KEEP_SIZE, "KEEP_SIZE"},
+ { FALLOC_FL_PUNCH_HOLE, "PUNCH_HOLE"},
+ { FALLOC_FL_NO_HIDE_STALE, "NO_HIDE_STALE"},
+ { FALLOC_FL_COLLAPSE_RANGE, "COLLAPSE_RANGE"},
+ { FALLOC_FL_ZERO_RANGE, "ZERO_RANGE"},
+ { FALLOC_FL_INSERT_RANGE, "INSERT_RANGE"},
+ { -1, NULL}
+};
+
+#define translate_falloc_flags(mode) \
+ ({translate_flags(mode, "|", falloc_flags);})
+#endif
+
void
-fallocate_f(int opno, long r)
+do_fallocate(int opno, long r, int mode)
{
-#ifdef FALLOCATE
+#ifdef HAVE_LINUX_FALLOC_H
int e;
pathname_t f;
int fd;
struct stat64 stb;
int v;
char st[1024];
- int mode = 0;
init_pathname(&f);
if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
if (v)
- printf("%d/%d: fallocate - no filename\n", procid, opno);
+ printf("%d/%d: do_fallocate - 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: fallocate - open %s failed %d\n",
- procid, opno, f.path, e);
+ printf("%d/%d: do_fallocate - open %s failed %d\n",
+ procid, opno, f.path, errno);
free_pathname(&f);
return;
}
+ check_cwd();
if (fstat64(fd, &stb) < 0) {
if (v)
- printf("%d/%d: fallocate - fstat64 %s failed %d\n",
+ printf("%d/%d: do_fallocate - fstat64 %s failed %d\n",
procid, opno, f.path, errno);
free_pathname(&f);
close(fd);
off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
off %= maxfsize;
len = (off64_t)(random() % (1024 * 1024));
+ /*
+ * Collapse/insert range requires off and len to be block aligned,
+ * make it more likely to be the case.
+ */
+ if ((mode & (FALLOC_FL_COLLAPSE_RANGE | FALLOC_FL_INSERT_RANGE)) &&
+ (opno % 2)) {
+ off = ((off + stb.st_blksize - 1) & ~(stb.st_blksize - 1));
+ len = ((len + stb.st_blksize - 1) & ~(stb.st_blksize - 1));
+ }
mode |= FALLOC_FL_KEEP_SIZE & random();
e = fallocate(fd, mode, (loff_t)off, (loff_t)len) < 0 ? errno : 0;
if (v)
- printf("%d/%d: fallocate(%d) %s %st %lld %lld %d\n",
- procid, opno, mode,
+ printf("%d/%d: fallocate(%s) %s %st %lld %lld %d\n",
+ procid, opno, translate_falloc_flags(mode),
f.path, st, (long long)off, (long long)len, e);
free_pathname(&f);
close(fd);
#endif
}
+void
+fallocate_f(int opno, long r)
+{
+#ifdef HAVE_LINUX_FALLOC_H
+ do_fallocate(opno, r, 0);
+#endif
+}
void
fdatasync_f(int opno, long r)
free_pathname(&f);
close(fd);
}
+
+#ifdef HAVE_LINUX_FIEMAP_H
+struct print_flags fiemap_flags[] = {
+ { FIEMAP_FLAG_SYNC, "SYNC"},
+ { FIEMAP_FLAG_XATTR, "XATTR"},
+ { -1, NULL}
+};
+
+#define translate_fiemap_flags(mode) \
+ ({translate_flags(mode, "|", fiemap_flags);})
+#endif
+
void
fiemap_f(int opno, long r)
{
e = ioctl(fd, FS_IOC_FIEMAP, (unsigned long)fiemap);
if (v)
- printf("%d/%d: ioctl(FIEMAP) %s%s %lld %lld %x %d\n",
+ printf("%d/%d: ioctl(FIEMAP) %s%s %lld %lld (%s) %d\n",
procid, opno, f.path, st, (long long)fiemap->fm_start,
- (long long) fiemap->fm_length, fiemap->fm_flags, e);
+ (long long) fiemap->fm_length,
+ translate_fiemap_flags(fiemap->fm_flags), e);
free(fiemap);
free_pathname(&f);
close(fd);
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
-punch_f(int opno, long r)
+do_mmap(int opno, long r, int prot)
{
-#ifdef FALLOCATE
+#ifdef HAVE_SYS_MMAN_H
+ char *addr;
int e;
pathname_t f;
int fd;
+ size_t len;
__int64_t lr;
off64_t off;
- off64_t len;
+ int flags;
struct stat64 stb;
int v;
char st[1024];
- int mode = FALLOC_FL_PUNCH_HOLE;
+ sigjmp_buf sigbus_jmpbuf;
init_pathname(&f);
if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
if (v)
- printf("%d/%d: punch hole - no filename\n", procid, opno);
+ printf("%d/%d: do_mmap - no filename\n", procid, opno);
free_pathname(&f);
return;
}
check_cwd();
if (fd < 0) {
if (v)
- printf("%d/%d: punch hole - open %s failed %d\n",
- procid, opno, f.path, e);
+ 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: punch hole - fstat64 %s failed %d\n",
- procid, opno, f.path, errno);
+ 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 % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
- off %= maxfsize;
- len = (off64_t)(random() % (1024 * 1024));
- mode |= FALLOC_FL_KEEP_SIZE & random();
- e = fallocate(fd, mode, (loff_t)off, (loff_t)len) < 0 ? errno : 0;
+ 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: punch hole(%d) %s %s %lld %lld %d\n",
- procid, opno, mode,
- f.path, st, (long long)off, (long long)len, e);
+ 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)
+{
+#ifdef HAVE_LINUX_FALLOC_H
+ do_fallocate(opno, r, FALLOC_FL_PUNCH_HOLE);
+#endif
+}
+
+void
+zero_f(int opno, long r)
+{
+#ifdef HAVE_LINUX_FALLOC_H
+ do_fallocate(opno, r, FALLOC_FL_ZERO_RANGE);
+#endif
+}
+
+void
+collapse_f(int opno, long r)
+{
+#ifdef HAVE_LINUX_FALLOC_H
+ do_fallocate(opno, r, FALLOC_FL_COLLAPSE_RANGE);
+#endif
+}
+
+void
+insert_f(int opno, long r)
+{
+#ifdef HAVE_LINUX_FALLOC_H
+ do_fallocate(opno, r, FALLOC_FL_INSERT_RANGE);
+#endif
+}
+
void
read_f(int opno, long r)
{
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;
+ 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: readv - 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: 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: readv - 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: readv - %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);
+
+ 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: 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
rename_f(int opno, long r)
{
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);
+}
projects / xfstests-dev.git / blobdiff