#ifdef HAVE_BTRFSUTIL_H
#include <btrfsutil.h>
#endif
-#ifdef HAVE_ATTR_ATTRIBUTES_H
-#include <attr/attributes.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
#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>
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_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);
}
#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)) {
- fprintf(stderr, "io_uring_queue_init failed\n");
- exit(1);
+ 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++)
}
#endif
#ifdef URING
- io_uring_queue_exit(&ring);
+ if (have_io_uring)
+ io_uring_queue_exit(&ring);
#endif
cleanup_flist();
free(freq_table);
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);
+ rval = attr_list_path(&newname, buffer, buffersize);
assert(chdir("..") == 0);
}
free_pathname(&newname);
" 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);
+ diob.d_maxiosz = rounddown_64(INT_MAX, diob.d_miniosz);
}
dio_env = getenv("XFS_DIO_MIN");
if (dio_env)
struct iovec iovec;
int iswrite = (flags & (O_WRONLY | O_RDWR)) ? 1 : 0;
+ if (!have_io_uring)
+ return;
+
init_pathname(&f);
if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
if (v)
void
attr_remove_f(int opno, long r)
{
- attrlist_ent_t *aep;
- attrlist_t *alist;
- char *aname;
- char buf[4096];
- attrlist_cursor_t cursor;
+ char *bufname;
+ char *bufend;
+ char *aname = NULL;
+ char buf[XATTR_LIST_MAX];
int e;
int ent;
pathname_t f;
- int total;
+ int total = 0;
int v;
int which;
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);
+ 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",
free_pathname(&f);
return;
}
+
which = (int)(random() % total);
- bzero(&cursor, sizeof(cursor));
+ bufname = buf;
+ bufend = buf + e;
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;
+ while (bufname < bufend) {
+ if (which < ent) {
+ aname = bufname;
break;
}
- ent += alist->al_count;
- } while (alist->al_more);
+ ent++;
+ bufname += strlen(bufname) + 1;
+ }
if (aname == NULL) {
if (v)
printf(
/* Calculate offsets */
len = (random() % FILELEN_MAX) + 1;
- len &= ~(stat1.st_blksize - 1);
+ len = rounddown_64(len, stat1.st_blksize);
if (len == 0)
len = stat1.st_blksize;
if (len > stat1.st_size)
else
off1 = (off64_t)(lr % MIN(stat1.st_size - len, MAXFSIZE));
off1 %= maxfsize;
- off1 &= ~(stat1.st_blksize - 1);
+ off1 = rounddown_64(off1, stat1.st_blksize);
/*
* If srcfile == destfile, randomly generate destination ranges
lr = ((int64_t)random() << 32) + random();
off2 = (off64_t)(lr % max_off2);
off2 %= maxfsize;
- off2 &= ~(stat2.st_blksize - 1);
+ off2 = rounddown_64(off2, stat2.st_blksize);
} while (stat1.st_ino == stat2.st_ino && llabs(off2 - off1) < len);
/* Clone data blocks */
/* Never try to dedupe more than half of the src file. */
len = (random() % FILELEN_MAX) + 1;
- len &= ~(stat[0].st_blksize - 1);
+ len = rounddown_64(len, stat[0].st_blksize);
if (len == 0)
len = stat[0].st_blksize / 2;
if (len > stat[0].st_size / 2)
else
off[0] = (off64_t)(lr % MIN(stat[0].st_size - len, MAXFSIZE));
off[0] %= maxfsize;
- off[0] &= ~(stat[0].st_blksize - 1);
+ off[0] = rounddown_64(off[0], stat[0].st_blksize);
/*
* If srcfile == destfile[i], randomly generate destination ranges
else
off[i] = (off64_t)(lr % MIN(stat[i].st_size - len, MAXFSIZE));
off[i] %= maxfsize;
- off[i] &= ~(stat[i].st_blksize - 1);
+ off[i] = rounddown_64(off[i], stat[i].st_blksize);
} while (stat[0].st_ino == stat[i].st_ino &&
llabs(off[i] - off[0]) < len &&
tries++ < 10);
" 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);
+ diob.d_maxiosz = rounddown_64(INT_MAX, diob.d_miniosz);
}
dio_env = getenv("XFS_DIO_MIN");
" %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);
+ diob.d_maxiosz = rounddown_64(INT_MAX, diob.d_miniosz);
}
dio_env = getenv("XFS_DIO_MIN");
*/
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));
+ off = roundup_64(off, stb.st_blksize);
+ len = roundup_64(len, stb.st_blksize);
}
mode |= FALLOC_FL_KEEP_SIZE & random();
e = fallocate(fd, mode, (loff_t)off, (loff_t)len) < 0 ? errno : 0;
lr = ((int64_t)random() << 32) + random();
off = (off64_t)(lr % stb.st_size);
- off &= (off64_t)(~(sysconf(_SC_PAGE_SIZE) - 1));
+ off = rounddown_64(off, sysconf(_SC_PAGE_SIZE));
len = (size_t)(random() % MIN(stb.st_size - off, FILELEN_MAX)) + 1;
flags = (random() % 2) ? MAP_SHARED : MAP_PRIVATE;