diff options
| -rw-r--r-- | xlators/storage/posix/src/posix.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/xlators/storage/posix/src/posix.c b/xlators/storage/posix/src/posix.c index 92971551c83..cee4539d2e2 100644 --- a/xlators/storage/posix/src/posix.c +++ b/xlators/storage/posix/src/posix.c @@ -821,6 +821,7 @@ posix_do_zerofill (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset, { int32_t ret = -1; int32_t op_errno = 0; + int32_t flags = 0; struct posix_fd *pfd = NULL; gf_boolean_t locked = _gf_false; @@ -851,6 +852,14 @@ posix_do_zerofill (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset, goto out; } + /* See if we can use FALLOC_FL_ZERO_RANGE to perform the zero fill. + * If it fails, fall back to _posix_do_zerofill() and an optional fsync. + */ + flags = FALLOC_FL_ZERO_RANGE; + ret = sys_fallocate (pfd->fd, flags, offset, len); + if (ret == 0) + goto done; + ret = _posix_do_zerofill (pfd->fd, offset, len, pfd->flags & O_DIRECT); if (ret < 0) { ret = -errno; @@ -871,6 +880,7 @@ posix_do_zerofill (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset, } } +done: ret = posix_fdstat (this, pfd->fd, statpost); if (ret == -1) { ret = -errno; |