#define FALLOC_FL_PUNCH_HOLE 0x02
#endif
-#ifndef FALLOC_FL_COLLAPSE_RANGE
-#define FALLOC_FL_COLLAPSE_RANGE 0x08
-#endif
-
static cmdinfo_t allocsp_cmd;
static cmdinfo_t freesp_cmd;
static cmdinfo_t resvsp_cmd;
#if defined(HAVE_FALLOCATE)
static cmdinfo_t falloc_cmd;
static cmdinfo_t fpunch_cmd;
-static cmdinfo_t fcollapse_cmd;
#endif
static int
int mode = 0;
int c;
- while ((c = getopt(argc, argv, "ckp")) != EOF) {
+ while ((c = getopt(argc, argv, "kp")) != EOF) {
switch (c) {
- case 'c':
- mode = FALLOC_FL_COLLAPSE_RANGE;
- break;
case 'k':
mode = FALLOC_FL_KEEP_SIZE;
break;
}
return 0;
}
-
-static int
-fcollapse_f(
- int argc,
- char **argv)
-{
- xfs_flock64_t segment;
- int mode = FALLOC_FL_COLLAPSE_RANGE;
-
- if (!offset_length(argv[1], argv[2], &segment))
- return 0;
-
- if (fallocate(file->fd, mode,
- segment.l_start, segment.l_len)) {
- perror("fallocate");
- return 0;
- }
- return 0;
-}
#endif /* HAVE_FALLOCATE */
void
fpunch_cmd.oneline =
_("de-allocates space assocated with part of a file via fallocate");
add_command(&fpunch_cmd);
-
- fcollapse_cmd.name = "fcollapse";
- fcollapse_cmd.cfunc = fcollapse_f;
- fcollapse_cmd.argmin = 2;
- fcollapse_cmd.argmax = 2;
- fcollapse_cmd.flags = CMD_NOMAP_OK | CMD_FOREIGN_OK;
- fcollapse_cmd.args = _("off len");
- fcollapse_cmd.oneline =
- _("de-allocates space and eliminates the hole by shifting extents");
- add_command(&fcollapse_cmd);
#endif /* HAVE_FALLOCATE */
}
.PD
.RE
.TP
-.BI fcollapse " offset length"
-Call fallocate with FALLOC_FL_COLLAPSE_RANGE flag as described in the
-.BR fallocate (2)
-manual page to de-allocates blocks and eliminates the hole created in this process
-by shifting data blocks into the hole.
-.TP
.BI fpunch " offset length"
Punches (de-allocates) blocks in the file by calling fallocate with
the FALLOC_FL_PUNCH_HOLE flag as described in the