summaryrefslogtreecommitdiffstats
path: root/xlators/features/read-only/src/worm.c
diff options
context:
space:
mode:
Diffstat (limited to 'xlators/features/read-only/src/worm.c')
-rw-r--r--xlators/features/read-only/src/worm.c372
1 files changed, 184 insertions, 188 deletions
diff --git a/xlators/features/read-only/src/worm.c b/xlators/features/read-only/src/worm.c
index 8297e8d3b7a..ad06f46a4e4 100644
--- a/xlators/features/read-only/src/worm.c
+++ b/xlators/features/read-only/src/worm.c
@@ -30,7 +30,7 @@ mem_acct_init (xlator_t *this)
}
-int32_t
+static int32_t
worm_open (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
fd_t *fd, dict_t *xdata)
{
@@ -46,185 +46,150 @@ worm_open (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
}
-int32_t
+static int32_t
worm_link (call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc,
dict_t *xdata)
{
- int ret = -1;
- int label = -1;
+ int op_errno = EROFS;
read_only_priv_t *priv = NULL;
priv = this->private;
GF_ASSERT (priv);
if (is_readonly_or_worm_enabled (this))
- goto unwind;
- if (!priv->worm_file)
- goto wind;
+ goto out;
+ if (!priv->worm_file) {
+ op_errno = 0;
+ goto out;
+ }
gf_uuid_copy (oldloc->gfid, oldloc->inode->gfid);
- if (is_wormfile (this, _gf_false, oldloc))
- goto wind;
- label = state_transition (this, _gf_false, oldloc, GF_FOP_LINK, &ret);
- if (label == 0)
- goto wind;
- if (label == 1)
- goto unwind;
- if (label == 2)
+ if (is_wormfile (this, _gf_false, oldloc)) {
+ op_errno = 0;
goto out;
+ }
+ op_errno = gf_worm_state_transition (this, _gf_false, oldloc,
+ GF_FOP_LINK);
-unwind:
- STACK_UNWIND_STRICT (link, frame, -1, EROFS, NULL, NULL, NULL, NULL,
- NULL);
- ret = 0;
- goto out;
-wind:
- STACK_WIND_TAIL (frame, FIRST_CHILD(this),
- FIRST_CHILD(this)->fops->link,
- oldloc, newloc, xdata);
- ret = 0;
out:
- if (label == 2)
- STACK_UNWIND_STRICT (link, frame, -1, ret, NULL, NULL,
+ if (op_errno)
+ STACK_UNWIND_STRICT (link, frame, -1, op_errno, NULL, NULL,
NULL, NULL, NULL);
- return ret;
+ else
+ STACK_WIND_TAIL (frame, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->link,
+ oldloc, newloc, xdata);
+ return 0;
}
-int32_t
+static int32_t
worm_unlink (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
dict_t *xdata)
{
- int ret = -1;
- int label = -1;
+ int op_errno = EROFS;
read_only_priv_t *priv = NULL;
priv = this->private;
GF_ASSERT (priv);
- if (is_readonly_or_worm_enabled (this))
- goto unwind;
- if (!priv->worm_file)
- goto wind;
+ if (is_readonly_or_worm_enabled (this)) {
+ goto out;
+ }
+ if (!priv->worm_file) {
+ op_errno = 0;
+ goto out;
+ }
gf_uuid_copy (loc->gfid, loc->inode->gfid);
- if (is_wormfile (this, _gf_false, loc))
- goto wind;
- label = state_transition (this, _gf_false, loc, GF_FOP_UNLINK, &ret);
- if (label == 0)
- goto wind;
- if (label == 1)
- goto unwind;
- if (label == 2)
+ if (is_wormfile (this, _gf_false, loc)) {
+ op_errno = 0;
goto out;
-
-unwind:
- STACK_UNWIND_STRICT (unlink, frame, -1, EROFS, NULL, NULL, NULL);
- ret = 0;
- goto out;
-wind:
- STACK_WIND_TAIL (frame, FIRST_CHILD(this),
- FIRST_CHILD(this)->fops->unlink,
- loc, flags, xdata);
- ret = 0;
+ }
+ op_errno = gf_worm_state_transition (this, _gf_false, loc,
+ GF_FOP_UNLINK);
out:
- if (label == 2)
- STACK_UNWIND_STRICT (unlink, frame, -1, ret,
- NULL, NULL, NULL);
- return ret;
+ if (op_errno)
+ STACK_UNWIND_STRICT (unlink, frame, -1, op_errno, NULL, NULL,
+ NULL);
+ else
+ STACK_WIND_TAIL (frame, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->unlink,
+ loc, flags, xdata);
+ return 0;
}
-int32_t
+static int32_t
worm_rename (call_frame_t *frame, xlator_t *this,
loc_t *oldloc, loc_t *newloc, dict_t *xdata)
{
- int ret = -1;
- int label = -1;
+ int op_errno = EROFS;
read_only_priv_t *priv = NULL;
priv = this->private;
GF_ASSERT (priv);
if (is_readonly_or_worm_enabled (this))
- goto unwind;
- if (!priv->worm_file)
- goto wind;
+ goto out;
+ if (!priv->worm_file) {
+ op_errno = 0;
+ goto out;
+ }
gf_uuid_copy (oldloc->gfid, oldloc->inode->gfid);
- if (is_wormfile (this, _gf_false, oldloc))
- goto wind;
- label = state_transition (this, _gf_false, oldloc, GF_FOP_RENAME,
- &ret);
- if (label == 0)
- goto wind;
- if (label == 1)
- goto unwind;
- if (label == 2)
+ if (is_wormfile (this, _gf_false, oldloc)) {
+ op_errno = 0;
goto out;
+ }
+ op_errno = gf_worm_state_transition (this, _gf_false, oldloc,
+ GF_FOP_RENAME);
-unwind:
- STACK_UNWIND_STRICT (rename, frame, -1, EROFS, NULL,
- NULL, NULL, NULL, NULL, NULL);
- ret = 0;
- goto out;
-wind:
- STACK_WIND_TAIL (frame, FIRST_CHILD (this),
- FIRST_CHILD (this)->fops->rename,
- oldloc, newloc, xdata);
- ret = 0;
out:
- if (label == 2)
- STACK_UNWIND_STRICT (rename, frame, -1, ret, NULL,
+ if (op_errno)
+ STACK_UNWIND_STRICT (rename, frame, -1, op_errno, NULL,
NULL, NULL, NULL, NULL, NULL);
- return ret;
+ else
+ STACK_WIND_TAIL (frame, FIRST_CHILD (this),
+ FIRST_CHILD (this)->fops->rename,
+ oldloc, newloc, xdata);
+ return 0;
}
-int32_t
+static int32_t
worm_truncate (call_frame_t *frame, xlator_t *this, loc_t *loc, off_t offset,
dict_t *xdata)
{
- int ret = -1;
- int label = -1;
+ int op_errno = EROFS;
read_only_priv_t *priv = NULL;
priv = this->private;
GF_ASSERT (priv);
if (is_readonly_or_worm_enabled (this))
- goto unwind;
- if (!priv->worm_file)
- goto wind;
-
- if (is_wormfile (this, _gf_false, loc))
- goto wind;
- label = state_transition (this, _gf_false, loc, GF_FOP_TRUNCATE,
- &ret);
- if (label == 0)
- goto wind;
- if (label == 1)
- goto unwind;
- if (label == 2)
goto out;
+ if (!priv->worm_file) {
+ op_errno = 0;
+ goto out;
+ }
-unwind:
- STACK_UNWIND_STRICT (truncate, frame, -1, EROFS,
- NULL, NULL, NULL);
- ret = 0;
- goto out;
+ if (is_wormfile (this, _gf_false, loc)) {
+ op_errno = 0;
+ goto out;
+ }
+ op_errno = gf_worm_state_transition (this, _gf_false, loc,
+ GF_FOP_TRUNCATE);
-wind:
- STACK_WIND_TAIL (frame,
- FIRST_CHILD (this),
- FIRST_CHILD (this)->fops->truncate,
- loc, offset, xdata);
- ret = 0;
out:
- if (label == 2)
- STACK_UNWIND_STRICT (truncate, frame, -1, ret,
- NULL, NULL, NULL);
- return ret;
+ if (op_errno)
+ STACK_UNWIND_STRICT (truncate, frame, -1, op_errno, NULL, NULL,
+ NULL);
+ else
+ STACK_WIND_TAIL (frame, FIRST_CHILD (this),
+ FIRST_CHILD (this)->fops->truncate,
+ loc, offset, xdata);
+ return 0;
}
-int32_t
+static int32_t
worm_setattr (call_frame_t *frame, xlator_t *this, loc_t *loc,
struct iatt *stbuf, int32_t valid, dict_t *xdata)
{
@@ -232,22 +197,29 @@ worm_setattr (call_frame_t *frame, xlator_t *this, loc_t *loc,
worm_reten_state_t reten_state = {0,};
struct iatt stpre = {0,};
read_only_priv_t *priv = NULL;
+ int op_errno = EROFS;
int ret = -1;
priv = this->private;
GF_ASSERT (priv);
- if (!priv->worm_file)
- goto wind;
+ if (!priv->worm_file) {
+ op_errno = 0;
+ goto out;
+ }
- if (is_wormfile (this, _gf_false, loc))
- goto wind;
+ if (is_wormfile (this, _gf_false, loc)) {
+ op_errno = 0;
+ goto out;
+ }
if (valid & GF_SET_ATTR_MODE) {
- rd_only = is_write_disabled (stbuf);
- if (!rd_only)
- goto wind;
+ rd_only = gf_worm_write_disabled (stbuf);
+ if (!rd_only) {
+ op_errno = 0;
+ goto out;
+ }
ret = worm_set_state (this, _gf_false, loc,
- &reten_state, stbuf);
+ &reten_state, stbuf);
if (ret) {
gf_log (this->name, GF_LOG_ERROR,
"Error setting worm state");
@@ -255,8 +227,10 @@ worm_setattr (call_frame_t *frame, xlator_t *this, loc_t *loc,
}
} else if (valid & GF_SET_ATTR_ATIME) {
ret = worm_get_state (this, _gf_false, loc, &reten_state);
- if (ret)
- goto wind;
+ if (ret) {
+ op_errno = 0;
+ goto out;
+ }
if (reten_state.retain) {
ret = syncop_stat (this, loc, &stpre, NULL, NULL);
if (ret)
@@ -267,7 +241,7 @@ worm_setattr (call_frame_t *frame, xlator_t *this, loc_t *loc,
"Cannot set atime less than "
"the mtime for a WORM-Retained "
"file");
- goto unwind;
+ goto out;
}
} else {
if (stbuf->ia_atime < stpre.ia_atime) {
@@ -275,27 +249,27 @@ worm_setattr (call_frame_t *frame, xlator_t *this, loc_t *loc,
"Cannot decrease the atime of a"
" WORM-Retained file in "
"Enterprise mode");
- goto unwind;
+ goto out;
}
}
stbuf->ia_mtime = stpre.ia_mtime;
}
}
+ op_errno = 0;
-wind:
- STACK_WIND_TAIL (frame, FIRST_CHILD (this),
- FIRST_CHILD (this)->fops->setattr,
- loc, stbuf, valid, xdata);
- ret = 0;
- goto out;
-unwind:
- STACK_UNWIND_STRICT (setattr, frame, -1, EROFS, NULL, NULL, NULL);
out:
- return ret;
+ if (op_errno)
+ STACK_UNWIND_STRICT (setattr, frame, -1, EROFS, NULL, NULL,
+ NULL);
+ else
+ STACK_WIND_TAIL (frame, FIRST_CHILD (this),
+ FIRST_CHILD (this)->fops->setattr,
+ loc, stbuf, valid, xdata);
+ return 0;
}
-int32_t
+static int32_t
worm_fsetattr (call_frame_t *frame, xlator_t *this, fd_t *fd,
struct iatt *stbuf, int32_t valid, dict_t *xdata)
{
@@ -303,19 +277,26 @@ worm_fsetattr (call_frame_t *frame, xlator_t *this, fd_t *fd,
worm_reten_state_t reten_state = {0,};
struct iatt stpre = {0,};
read_only_priv_t *priv = NULL;
+ int op_errno = EROFS;
int ret = -1;
priv = this->private;
GF_ASSERT (priv);
- if (!priv->worm_file)
- goto wind;
+ if (!priv->worm_file) {
+ op_errno = 0;
+ goto out;
+ }
- if (is_wormfile (this, _gf_true, fd))
- goto wind;
+ if (is_wormfile (this, _gf_true, fd)) {
+ op_errno = 0;
+ goto out;
+ }
if (valid & GF_SET_ATTR_MODE) {
- rd_only = is_write_disabled (stbuf);
- if (!rd_only)
- goto wind;
+ rd_only = gf_worm_write_disabled (stbuf);
+ if (!rd_only) {
+ op_errno = 0;
+ goto out;
+ }
ret = worm_set_state (this, _gf_true, fd,
&reten_state, stbuf);
@@ -326,8 +307,10 @@ worm_fsetattr (call_frame_t *frame, xlator_t *this, fd_t *fd,
}
} else if (valid & GF_SET_ATTR_ATIME) {
ret = worm_get_state (this, _gf_true, fd, &reten_state);
- if (ret)
- goto wind;
+ if (ret) {
+ op_errno = 0;
+ goto out;
+ }
if (reten_state.retain) {
ret = syncop_fstat (this, fd, &stpre, NULL, NULL);
if (ret)
@@ -338,7 +321,7 @@ worm_fsetattr (call_frame_t *frame, xlator_t *this, fd_t *fd,
"Cannot set atime less than "
"the mtime for a WORM-Retained "
"file");
- goto unwind;
+ goto out;
}
} else {
if (stbuf->ia_atime < stpre.ia_atime) {
@@ -346,76 +329,77 @@ worm_fsetattr (call_frame_t *frame, xlator_t *this, fd_t *fd,
"Cannot decrease the atime of a"
" WORM-Retained file in "
"Enterprise mode");
- goto unwind;
+ goto out;
}
}
stbuf->ia_mtime = stpre.ia_mtime;
}
}
+ op_errno = 0;
-wind:
- STACK_WIND_TAIL (frame, FIRST_CHILD (this),
- FIRST_CHILD (this)->fops->fsetattr,
- fd, stbuf, valid, xdata);
- ret = 0;
- goto out;
-unwind:
- STACK_UNWIND_STRICT (fsetattr, frame, -1, EROFS, NULL, NULL, NULL);
out:
- return ret;
+ if (op_errno)
+ STACK_UNWIND_STRICT (fsetattr, frame, -1, op_errno, NULL, NULL,
+ NULL);
+ else
+ STACK_WIND_TAIL (frame, FIRST_CHILD (this),
+ FIRST_CHILD (this)->fops->fsetattr,
+ fd, stbuf, valid, xdata);
+ return 0;
}
-int32_t
+static int32_t
worm_writev (call_frame_t *frame, xlator_t *this, fd_t *fd,
struct iovec *vector, int32_t count, off_t offset, uint32_t flags,
struct iobref *iobref, dict_t *xdata)
{
worm_reten_state_t reten_state = {0,};
read_only_priv_t *priv = NULL;
+ int op_errno = EROFS;
int ret = -1;
priv = this->private;
GF_ASSERT (priv);
- if (!priv->worm_file)
- goto wind;
-
- if (is_wormfile (this, _gf_true, fd))
- goto wind;
+ if (!priv->worm_file) {
+ op_errno = 0;
+ goto out;
+ }
+ if (is_wormfile (this, _gf_true, fd)) {
+ op_errno = 0;
+ goto out;
+ }
ret = worm_get_state (this, _gf_true, fd, &reten_state);
+ if (ret)
+ goto out;
if (!reten_state.worm)
- goto wind;
-
- STACK_UNWIND_STRICT (writev, frame, -1, EROFS, NULL, NULL, NULL);
- goto out;
-
-wind:
- STACK_WIND_TAIL (frame,
- FIRST_CHILD (this),
- FIRST_CHILD (this)->fops->writev,
- fd, vector, count, offset, flags,
- iobref, xdata);
- ret = 0;
+ op_errno = 0;
out:
- return ret;
+ if (op_errno)
+ STACK_UNWIND_STRICT (writev, frame, -1, op_errno, NULL, NULL,
+ NULL);
+ else
+ STACK_WIND_TAIL (frame, FIRST_CHILD (this),
+ FIRST_CHILD (this)->fops->writev,
+ fd, vector, count, offset, flags, iobref,
+ xdata);
+ return 0;
}
-
-int32_t
-worm_create (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
- mode_t mode, mode_t umask, fd_t *fd, dict_t *xdata)
+static int32_t
+worm_create_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, fd_t *fd,
+ inode_t *inode, struct iatt *buf,
+ struct iatt *preparent, struct iatt *postparent,
+ dict_t *xdata)
{
- int ret = -1;
+ int ret = 0;
read_only_priv_t *priv = NULL;
dict_t *dict = NULL;
- STACK_WIND_TAIL (frame, FIRST_CHILD (this),
- FIRST_CHILD(this)->fops->create, loc, flags,
- mode, umask, fd, xdata);
priv = this->private;
GF_ASSERT (priv);
-
if (priv->worm_file) {
dict = dict_new ();
if (!dict) {
@@ -423,7 +407,6 @@ worm_create (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
"dict");
goto out;
}
- GF_VALIDATE_OR_GOTO (this->name, dict, out);
ret = dict_set_int8 (dict, "trusted.worm_file", 1);
if (ret) {
gf_log (this->name, GF_LOG_ERROR, "Error in setting "
@@ -444,12 +427,25 @@ worm_create (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
}
out:
+ STACK_UNWIND_STRICT (create, frame, op_ret, op_errno, fd, inode, buf,
+ preparent, postparent, xdata);
if (dict)
dict_destroy (dict);
return ret;
}
+static int32_t
+worm_create (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
+ mode_t mode, mode_t umask, fd_t *fd, dict_t *xdata)
+{
+ STACK_WIND (frame, worm_create_cbk, FIRST_CHILD (this),
+ FIRST_CHILD(this)->fops->create, loc, flags,
+ mode, umask, fd, xdata);
+ return 0;
+}
+
+
int32_t
init (xlator_t *this)
{
generated by cgit (git 2.34.1) at 2024-11-16 08:24:24 +0000