diff options
Diffstat (limited to 'xlators/features')
| -rw-r--r-- | xlators/features/read-only/src/worm.c | 40 |
1 files changed, 38 insertions, 2 deletions
diff --git a/xlators/features/read-only/src/worm.c b/xlators/features/read-only/src/worm.c index eec3b384212..c7f9b9288dd 100644 --- a/xlators/features/read-only/src/worm.c +++ b/xlators/features/read-only/src/worm.c @@ -35,7 +35,7 @@ worm_open (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags, fd_t *fd, dict_t *xdata) { if (is_readonly_or_worm_enabled (this) && - (flags & (O_WRONLY | O_RDWR | O_APPEND))) { + (flags & (O_WRONLY | O_RDWR | O_APPEND | O_TRUNC))) { STACK_UNWIND_STRICT (open, frame, -1, EROFS, NULL, NULL); return 0; } @@ -175,7 +175,7 @@ worm_truncate (call_frame_t *frame, xlator_t *this, loc_t *loc, off_t offset, goto out; } op_errno = gf_worm_state_transition (this, _gf_false, loc, - GF_FOP_TRUNCATE); + GF_FOP_TRUNCATE); out: if (op_errno) @@ -190,6 +190,41 @@ out: static int32_t +worm_ftruncate (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset, + dict_t *xdata) +{ + int op_errno = EROFS; + read_only_priv_t *priv = NULL; + + priv = this->private; + GF_ASSERT (priv); + if (is_readonly_or_worm_enabled (this)) + goto out; + if (!priv->worm_file) { + op_errno = 0; + goto out; + } + + if (is_wormfile (this, _gf_true, fd)) { + op_errno = 0; + goto out; + } + op_errno = gf_worm_state_transition (this, _gf_true, fd, + GF_FOP_FTRUNCATE); + +out: + if (op_errno) + STACK_UNWIND_STRICT (ftruncate, frame, -1, op_errno, NULL, NULL, + NULL); + else + STACK_WIND_TAIL (frame, FIRST_CHILD (this), + FIRST_CHILD (this)->fops->ftruncate, + fd, offset, xdata); + return 0; +} + + +static int32_t worm_setattr (call_frame_t *frame, xlator_t *this, loc_t *loc, struct iatt *stbuf, int32_t valid, dict_t *xdata) { @@ -546,6 +581,7 @@ struct xlator_fops fops = { .link = worm_link, .unlink = worm_unlink, .truncate = worm_truncate, + .ftruncate = worm_ftruncate, .create = worm_create, .rmdir = ro_rmdir, |