diff options
Diffstat (limited to 'xlators/storage')
| -rw-r--r-- | xlators/storage/posix/src/posix.c | 90 |
1 files changed, 63 insertions, 27 deletions
diff --git a/xlators/storage/posix/src/posix.c b/xlators/storage/posix/src/posix.c index 368834037..05101fd31 100644 --- a/xlators/storage/posix/src/posix.c +++ b/xlators/storage/posix/src/posix.c @@ -562,16 +562,12 @@ out: } static int32_t -_posix_fallocate(call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t keep_size, - off_t offset, size_t len, dict_t *xdata) +posix_do_fallocate(call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t flags, + off_t offset, size_t len, struct iatt *statpre, + struct iatt *statpost) { - int32_t op_ret = -1; - int32_t op_errno = 0; - struct iatt statpre = {0,}; - struct iatt statpost = {0,}; struct posix_fd *pfd = NULL; int32_t ret = -1; - int32_t flags = 0; DECLARE_OLD_FS_ID_VAR; @@ -583,48 +579,87 @@ _posix_fallocate(call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t keep_siz ret = posix_fd_ctx_get (fd, this, &pfd); if (ret < 0) { - op_errno = -ret; gf_log (this->name, GF_LOG_DEBUG, "pfd is NULL from fd=%p", fd); goto out; } - op_ret = posix_fdstat (this, pfd->fd, &statpre); - if (op_ret == -1) { - op_errno = errno; + ret = posix_fdstat (this, pfd->fd, statpre); + if (ret == -1) { + ret = -errno; gf_log (this->name, GF_LOG_ERROR, "fallocate (fstat) failed on fd=%p: %s", fd, - strerror (op_errno)); + strerror (errno)); goto out; } - if (keep_size) - flags = FALLOC_FL_KEEP_SIZE; - - op_ret = sys_fallocate(pfd->fd, flags, offset, len); - if (op_ret == -1) { - op_errno = errno; + ret = sys_fallocate(pfd->fd, flags, offset, len); + if (ret == -1) { + ret = -errno; goto out; } - op_ret = posix_fdstat (this, pfd->fd, &statpost); - if (op_ret == -1) { - op_errno = errno; + ret = posix_fdstat (this, pfd->fd, statpost); + if (ret == -1) { + ret = -errno; gf_log (this->name, GF_LOG_ERROR, "fallocate (fstat) failed on fd=%p: %s", fd, - strerror (op_errno)); + strerror (errno)); goto out; } - op_ret = 0; - out: SET_TO_OLD_FS_ID (); - STACK_UNWIND_STRICT (fallocate, frame, op_ret, op_errno, - &statpre, &statpost, NULL); + return ret; +} + +static int32_t +_posix_fallocate(call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t keep_size, + off_t offset, size_t len, dict_t *xdata) +{ + int32_t ret; + int32_t flags = 0; + struct iatt statpre = {0,}; + struct iatt statpost = {0,}; + + if (keep_size) + flags = FALLOC_FL_KEEP_SIZE; + + ret = posix_do_fallocate(frame, this, fd, flags, offset, len, + &statpre, &statpost); + if (ret < 0) + goto err; + + STACK_UNWIND_STRICT(fallocate, frame, 0, 0, &statpre, &statpost, NULL); + return 0; + +err: + STACK_UNWIND_STRICT(fallocate, frame, -1, -ret, NULL, NULL, NULL); + return 0; +} + +static int32_t +posix_discard(call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset, + size_t len, dict_t *xdata) +{ + int32_t ret; + int32_t flags = FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE; + struct iatt statpre = {0,}; + struct iatt statpost = {0,}; + + ret = posix_do_fallocate(frame, this, fd, flags, offset, len, + &statpre, &statpost); + if (ret < 0) + goto err; + + STACK_UNWIND_STRICT(discard, frame, 0, 0, &statpre, &statpost, NULL); + return 0; + +err: + STACK_UNWIND_STRICT(discard, frame, -1, -ret, NULL, NULL, NULL); + return 0; - return 0; } int32_t @@ -4726,6 +4761,7 @@ struct xlator_fops fops = { .setattr = posix_setattr, .fsetattr = posix_fsetattr, .fallocate = _posix_fallocate, + .discard = posix_discard, }; struct xlator_cbks cbks = { |