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-rw-r--r--xlators/performance/md-cache/src/md-cache.c525
1 files changed, 438 insertions, 87 deletions
diff --git a/xlators/performance/md-cache/src/md-cache.c b/xlators/performance/md-cache/src/md-cache.c
index 0bf97bce802..c81d09a071e 100644
--- a/xlators/performance/md-cache/src/md-cache.c
+++ b/xlators/performance/md-cache/src/md-cache.c
@@ -1018,13 +1018,27 @@ mdc_statfs_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
int32_t op_ret, int32_t op_errno,
struct statvfs *buf, dict_t *xdata)
{
- struct mdc_conf *conf = this->private;
+ struct mdc_conf *conf = this->private;
+ mdc_local_t *local = NULL;
+
+ local = frame->local;
+ if (!local)
+ goto out;
+
+ if (op_ret != 0) {
+ if ((op_errno == ENOENT) || (op_errno == ESTALE)) {
+ mdc_inode_iatt_invalidate (this, local->loc.inode);
+ }
+
+ goto out;
+ }
- if (op_ret == 0 && conf && conf->cache_statfs) {
+ if (conf && conf->cache_statfs) {
mdc_cache_statfs (this, buf);
}
- STACK_UNWIND_STRICT (statfs, frame, op_ret, op_errno, buf, xdata);
+out:
+ MDC_STACK_UNWIND (statfs, frame, op_ret, op_errno, buf, xdata);
return 0;
}
@@ -1032,9 +1046,19 @@ mdc_statfs_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
int
mdc_statfs (call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xdata)
{
- int ret = 0;
- struct statvfs *buf = NULL;
- struct mdc_conf *conf = this->private;
+ int ret = 0, op_ret = 0, op_errno = 0;
+ struct statvfs *buf = NULL;
+ mdc_local_t *local = NULL;
+ struct mdc_conf *conf = this->private;
+
+ local = mdc_local_get (frame);
+ if (!local) {
+ op_ret = -1;
+ op_errno = ENOMEM;
+ goto out;
+ }
+
+ loc_copy (&local->loc, loc);
if (!conf) {
goto uncached;
@@ -1046,31 +1070,47 @@ mdc_statfs (call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xdata)
ret = mdc_load_statfs_info_from_cache (this, &buf);
if (ret == 0 && buf) {
- STACK_UNWIND_STRICT (statfs, frame, 0, 0, buf, xdata);
+ op_ret = 0;
+ op_errno = 0;
goto out;
}
uncached:
STACK_WIND (frame, mdc_statfs_cbk, FIRST_CHILD (this),
FIRST_CHILD (this)->fops->statfs, loc, xdata);
+ return 0;
out:
+ STACK_UNWIND_STRICT (statfs, frame, op_ret, op_errno, buf, xdata);
return 0;
}
int
mdc_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, inode_t *inode,
- struct iatt *stbuf, dict_t *dict, struct iatt *postparent)
+ int32_t op_ret, int32_t op_errno, inode_t *inode,
+ struct iatt *stbuf, dict_t *dict, struct iatt *postparent)
{
- mdc_local_t *local = NULL;
- struct mdc_conf *conf = this->private;
+ mdc_local_t *local = NULL;
+ struct mdc_conf *conf = this->private;
local = frame->local;
if (op_ret != 0) {
if (op_errno == ENOENT)
GF_ATOMIC_INC (conf->mdc_counter.negative_lookup);
+
+ if (op_errno == ESTALE) {
+ /* if op_errno is ENOENT, fuse-bridge will unlink the
+ * dentry
+ */
+ if (local->loc.parent)
+ mdc_inode_iatt_invalidate (this,
+ local->loc.parent);
+ else
+ mdc_inode_iatt_invalidate (this,
+ local->loc.inode);
+ }
+
goto out;
}
@@ -1173,13 +1213,18 @@ mdc_stat_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
{
mdc_local_t *local = NULL;
- if (op_ret != 0)
- goto out;
-
local = frame->local;
if (!local)
goto out;
+ if (op_ret != 0) {
+ if ((op_errno == ESTALE) || (op_errno == ENOENT)) {
+ mdc_inode_iatt_invalidate (this, local->loc.inode);
+ }
+
+ goto out;
+ }
+
mdc_inode_iatt_set (this, local->loc.inode, buf);
out:
@@ -1233,13 +1278,18 @@ mdc_fstat_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
{
mdc_local_t *local = NULL;
- if (op_ret != 0)
- goto out;
-
local = frame->local;
if (!local)
goto out;
+ if (op_ret != 0) {
+ if ((op_errno == ENOENT) || (op_errno == ESTALE)) {
+ mdc_inode_iatt_invalidate (this, local->fd->inode);
+ }
+
+ goto out;
+ }
+
mdc_inode_iatt_set (this, local->fd->inode, buf);
out:
@@ -1290,11 +1340,15 @@ mdc_truncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
local = frame->local;
- if (op_ret != 0)
+ if (!local)
goto out;
- if (!local)
+ if (op_ret != 0) {
+ if ((op_errno == ESTALE) || (op_errno == ENOENT))
+ mdc_inode_iatt_invalidate (this, local->loc.inode);
+
goto out;
+ }
mdc_inode_iatt_set_validate(this, local->loc.inode, prebuf, postbuf,
_gf_true);
@@ -1333,11 +1387,15 @@ mdc_ftruncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
local = frame->local;
- if (op_ret != 0)
+ if (!local)
goto out;
- if (!local)
+ if (op_ret != 0) {
+ if ((op_errno == ENOENT) || (op_errno == ESTALE))
+ mdc_inode_iatt_invalidate (this, local->fd->inode);
+
goto out;
+ }
mdc_inode_iatt_set_validate(this, local->fd->inode, prebuf, postbuf,
_gf_true);
@@ -1377,11 +1435,16 @@ mdc_mknod_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
local = frame->local;
- if (op_ret != 0)
+ if (!local)
goto out;
- if (!local)
+ if (op_ret != 0) {
+ if ((op_errno == ESTALE) || (op_errno == ENOENT)) {
+ mdc_inode_iatt_invalidate (this, local->loc.parent);
+ }
+
goto out;
+ }
if (local->loc.parent) {
mdc_inode_iatt_set (this, local->loc.parent, postparent);
@@ -1426,11 +1489,16 @@ mdc_mkdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
local = frame->local;
- if (op_ret != 0)
+ if (!local)
goto out;
- if (!local)
+ if (op_ret != 0) {
+ if ((op_errno == ESTALE) || (op_errno == ENOENT)) {
+ mdc_inode_iatt_invalidate (this, local->loc.parent);
+ }
+
goto out;
+ }
if (local->loc.parent) {
mdc_inode_iatt_set (this, local->loc.parent, postparent);
@@ -1474,11 +1542,24 @@ mdc_unlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
local = frame->local;
- if (op_ret != 0)
+ if (!local)
goto out;
- if (!local)
+ if (op_ret != 0) {
+ /* if errno is ESTALE, parent is not present, which implies even
+ * child is not present. Also, man 2 unlink states unlink can
+ * return ENOENT if a component in pathname does not
+ * exist or is a dangling symbolic link. So, invalidate both
+ * parent and child for both errno
+ */
+
+ if ((op_errno == ENOENT) || (op_errno == ESTALE)) {
+ mdc_inode_iatt_invalidate (this, local->loc.inode);
+ mdc_inode_iatt_invalidate (this, local->loc.parent);
+ }
+
goto out;
+ }
if (local->loc.parent) {
mdc_inode_iatt_set (this, local->loc.parent, postparent);
@@ -1521,11 +1602,24 @@ mdc_rmdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
local = frame->local;
- if (op_ret != 0)
+ if (!local)
goto out;
- if (!local)
+ if (op_ret != 0) {
+ /* if errno is ESTALE, parent is not present, which implies even
+ * child is not present. Also, man 2 rmdir states rmdir can
+ * return ENOENT if a directory component in pathname does not
+ * exist or is a dangling symbolic link. So, invalidate both
+ * parent and child for both errno
+ */
+
+ if ((op_errno == ESTALE) || (op_errno == ENOENT)) {
+ mdc_inode_iatt_invalidate (this, local->loc.inode);
+ mdc_inode_iatt_invalidate (this, local->loc.parent);
+ }
+
goto out;
+ }
if (local->loc.parent) {
mdc_inode_iatt_set (this, local->loc.parent, postparent);
@@ -1565,11 +1659,16 @@ mdc_symlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
local = frame->local;
- if (op_ret != 0)
+ if (!local)
goto out;
- if (!local)
+ if (op_ret != 0) {
+ if ((op_errno == ESTALE) || (op_errno == ENOENT)) {
+ mdc_inode_iatt_invalidate (this, local->loc.parent);
+ }
+
goto out;
+ }
if (local->loc.parent) {
mdc_inode_iatt_set (this, local->loc.parent, postparent);
@@ -1614,12 +1713,17 @@ mdc_rename_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
mdc_local_t *local = NULL;
local = frame->local;
-
- if (op_ret != 0)
+ if (!local)
goto out;
- if (!local)
+ if (op_ret != 0) {
+ if ((op_errno == ESTALE) || (op_errno == ENOENT)) {
+ mdc_inode_iatt_invalidate (this, local->loc.inode);
+ mdc_inode_iatt_invalidate (this, local->loc2.parent);
+ }
+
goto out;
+ }
if (local->loc.parent) {
mdc_inode_iatt_set (this, local->loc.parent, postoldparent);
@@ -1671,11 +1775,17 @@ mdc_link_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
local = frame->local;
- if (op_ret != 0)
+ if (!local)
goto out;
- if (!local)
+ if (op_ret != 0) {
+ if ((op_errno == ENOENT) || (op_errno == ESTALE)) {
+ mdc_inode_iatt_invalidate (this, local->loc.inode);
+ mdc_inode_iatt_invalidate (this, local->loc2.parent);
+ }
+
goto out;
+ }
if (local->loc.inode) {
mdc_inode_iatt_set (this, local->loc.inode, buf);
@@ -1719,11 +1829,16 @@ mdc_create_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
local = frame->local;
- if (op_ret != 0)
+ if (!local)
goto out;
- if (!local)
+ if (op_ret != 0) {
+ if ((op_errno == ESTALE) || (op_errno == ENOENT)) {
+ mdc_inode_iatt_invalidate (this, local->loc.parent);
+ }
+
goto out;
+ }
if (local->loc.parent) {
mdc_inode_iatt_set (this, local->loc.parent, postparent);
@@ -1767,8 +1882,14 @@ mdc_open_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
local = frame->local;
- if (op_ret || !local)
+ if (!local)
+ goto out;
+
+ if (op_ret != 0) {
+ if ((op_errno == ESTALE) || (op_errno == ENOENT))
+ mdc_inode_iatt_invalidate (this, local->loc.inode);
goto out;
+ }
if (local->fd->flags & O_TRUNC) {
/* O_TRUNC modifies file size. Hence invalidate the
@@ -1814,12 +1935,14 @@ mdc_readv_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
mdc_local_t *local = NULL;
local = frame->local;
-
- if (op_ret < 0)
+ if (!local)
goto out;
- if (!local)
+ if (op_ret < 0) {
+ if ((op_errno == ENOENT) || (op_errno == ESTALE))
+ mdc_inode_iatt_invalidate (this, local->fd->inode);
goto out;
+ }
mdc_inode_iatt_set (this, local->fd->inode, stbuf);
@@ -1856,12 +1979,14 @@ mdc_writev_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
mdc_local_t *local = NULL;
local = frame->local;
-
- if (op_ret == -1)
+ if (!local)
goto out;
- if (!local)
+ if (op_ret == -1) {
+ if ((op_errno == ENOENT) || (op_errno == ESTALE))
+ mdc_inode_iatt_invalidate (this, local->fd->inode);
goto out;
+ }
mdc_inode_iatt_set_validate(this, local->fd->inode, prebuf, postbuf,
_gf_true);
@@ -1945,12 +2070,14 @@ mdc_fsetattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
mdc_local_t *local = NULL;
local = frame->local;
-
- if (op_ret != 0)
+ if (!local)
goto out;
- if (!local)
+ if (op_ret != 0) {
+ if ((op_errno == ESTALE) || (op_errno == ENOENT))
+ mdc_inode_iatt_invalidate (this, local->fd->inode);
goto out;
+ }
mdc_inode_iatt_set_validate(this, local->fd->inode, prebuf, postbuf,
_gf_true);
@@ -1988,12 +2115,14 @@ mdc_fsync_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
mdc_local_t *local = NULL;
local = frame->local;
-
- if (op_ret != 0)
+ if (!local)
goto out;
- if (!local)
+ if (op_ret != 0) {
+ if ((op_errno == ENOENT) || (op_errno == ESTALE))
+ mdc_inode_iatt_invalidate (this, local->fd->inode);
goto out;
+ }
mdc_inode_iatt_set_validate(this, local->fd->inode, prebuf, postbuf,
_gf_true);
@@ -2030,12 +2159,14 @@ mdc_setxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
mdc_local_t *local = NULL;
local = frame->local;
-
- if (op_ret != 0)
+ if (!local)
goto out;
- if (!local)
+ if (op_ret != 0) {
+ if ((op_errno == ENOENT) || (op_errno == ESTALE))
+ mdc_inode_iatt_invalidate (this, local->loc.inode);
goto out;
+ }
mdc_inode_xatt_update (this, local->loc.inode, local->xattr);
@@ -2073,12 +2204,14 @@ mdc_fsetxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
mdc_local_t *local = NULL;
local = frame->local;
-
- if (op_ret != 0)
+ if (!local)
goto out;
- if (!local)
+ if (op_ret != 0) {
+ if ((op_errno == ESTALE) || (op_errno == ENOENT))
+ mdc_inode_iatt_invalidate (this, local->fd->inode);
goto out;
+ }
mdc_inode_xatt_update (this, local->fd->inode, local->xattr);
@@ -2114,13 +2247,16 @@ mdc_getxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
{
mdc_local_t *local = NULL;
- if (op_ret < 0)
- goto out;
-
local = frame->local;
if (!local)
goto out;
+ if (op_ret < 0) {
+ if ((op_errno == ENOENT) || (op_errno == ESTALE))
+ mdc_inode_iatt_invalidate (this, local->loc.inode);
+ goto out;
+ }
+
mdc_inode_xatt_update (this, local->loc.inode, xattr);
out:
@@ -2179,13 +2315,16 @@ mdc_fgetxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
{
mdc_local_t *local = NULL;
- if (op_ret < 0)
- goto out;
-
local = frame->local;
if (!local)
goto out;
+ if (op_ret < 0) {
+ if ((op_errno == ENOENT) || (op_errno == ESTALE))
+ mdc_inode_iatt_invalidate (this, local->fd->inode);
+ goto out;
+ }
+
mdc_inode_xatt_update (this, local->fd->inode, xattr);
out:
@@ -2243,12 +2382,14 @@ mdc_removexattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
mdc_local_t *local = NULL;
local = frame->local;
-
- if (op_ret != 0)
+ if (!local)
goto out;
- if (!local)
+ if (op_ret != 0) {
+ if ((op_errno == ENOENT) || (op_errno == ESTALE))
+ mdc_inode_iatt_invalidate (this, local->loc.inode);
goto out;
+ }
if (local->key)
mdc_inode_xatt_unset (this, local->loc.inode, local->key);
@@ -2312,12 +2453,14 @@ mdc_fremovexattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
mdc_local_t *local = NULL;
local = frame->local;
-
- if (op_ret != 0)
+ if (!local)
goto out;
- if (!local)
+ if (op_ret != 0) {
+ if ((op_errno == ENOENT) || (op_errno == ESTALE))
+ mdc_inode_iatt_invalidate (this, local->fd->inode);
goto out;
+ }
if (local->key)
mdc_inode_xatt_unset (this, local->fd->inode, local->key);
@@ -2372,12 +2515,39 @@ uncached:
return 0;
}
+int32_t
+mdc_opendir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, fd_t *fd,
+ dict_t *xdata)
+{
+ mdc_local_t *local = NULL;
+
+ local = frame->local;
+ if (!local)
+ goto out;
+
+ if (op_ret == 0)
+ goto out;
+
+ if ((op_errno == ESTALE) || (op_errno == ENOENT))
+ mdc_inode_iatt_invalidate (this, local->loc.inode);
+
+out:
+ MDC_STACK_UNWIND (opendir, frame, op_ret, op_errno, fd, xdata);
+ return 0;
+}
+
int
mdc_opendir(call_frame_t *frame, xlator_t *this, loc_t *loc,
fd_t *fd, dict_t *xdata)
{
- dict_t *xattr_alloc = NULL;
+ dict_t *xattr_alloc = NULL;
+ mdc_local_t *local = NULL;
+
+ local = mdc_local_get (frame);
+
+ loc_copy (&local->loc, loc);
if (!xdata)
xdata = xattr_alloc = dict_new ();
@@ -2388,7 +2558,7 @@ mdc_opendir(call_frame_t *frame, xlator_t *this, loc_t *loc,
mdc_load_reqs (this, xdata);
}
- STACK_WIND (frame, default_opendir_cbk, FIRST_CHILD(this),
+ STACK_WIND (frame, mdc_opendir_cbk, FIRST_CHILD(this),
FIRST_CHILD(this)->fops->opendir, loc, fd, xdata);
if (xattr_alloc)
@@ -2402,10 +2572,19 @@ int
mdc_readdirp_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
int op_ret, int op_errno, gf_dirent_t *entries, dict_t *xdata)
{
- gf_dirent_t *entry = NULL;
+ gf_dirent_t *entry = NULL;
+ mdc_local_t *local = NULL;
- if (op_ret <= 0)
+ local = frame->local;
+ if (!local)
+ goto unwind;
+
+ if (op_ret <= 0) {
+ if ((op_ret == -1) && ((op_errno == ENOENT)
+ || (op_errno == ESTALE)))
+ mdc_inode_iatt_invalidate (this, local->fd->inode);
goto unwind;
+ }
list_for_each_entry (entry, &entries->list, list) {
if (!entry->inode)
@@ -2415,7 +2594,7 @@ mdc_readdirp_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
}
unwind:
- STACK_UNWIND_STRICT (readdirp, frame, op_ret, op_errno, entries, xdata);
+ MDC_STACK_UNWIND (readdirp, frame, op_ret, op_errno, entries, xdata);
return 0;
}
@@ -2424,7 +2603,14 @@ int
mdc_readdirp (call_frame_t *frame, xlator_t *this, fd_t *fd,
size_t size, off_t offset, dict_t *xdata)
{
- dict_t *xattr_alloc = NULL;
+ dict_t *xattr_alloc = NULL;
+ mdc_local_t *local = NULL;
+
+ local = mdc_local_get (frame);
+ if (!local)
+ goto out;
+
+ local->fd = fd_ref (fd);
if (!xdata)
xdata = xattr_alloc = dict_new ();
@@ -2437,13 +2623,28 @@ mdc_readdirp (call_frame_t *frame, xlator_t *this, fd_t *fd,
if (xattr_alloc)
dict_unref (xattr_alloc);
return 0;
+out:
+ STACK_UNWIND_STRICT (readdirp, frame, -1, ENOMEM, NULL, NULL);
+ return 0;
}
int
mdc_readdir_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
int op_errno, gf_dirent_t *entries, dict_t *xdata)
{
- STACK_UNWIND_STRICT (readdir, frame, op_ret, op_errno, entries, xdata);
+ mdc_local_t *local = NULL;
+
+ local = frame->local;
+ if (!local)
+ goto out;
+
+ if (op_ret == 0)
+ goto out;
+
+ if ((op_errno == ESTALE) || (op_errno == ENOENT))
+ mdc_inode_iatt_invalidate (this, local->fd->inode);
+out:
+ MDC_STACK_UNWIND (readdir, frame, op_ret, op_errno, entries, xdata);
return 0;
}
@@ -2451,8 +2652,15 @@ int
mdc_readdir (call_frame_t *frame, xlator_t *this, fd_t *fd,
size_t size, off_t offset, dict_t *xdata)
{
- int need_unref = 0;
- struct mdc_conf *conf = this->private;
+ int need_unref = 0;
+ mdc_local_t *local = NULL;
+ struct mdc_conf *conf = this->private;
+
+ local = mdc_local_get (frame);
+ if (!local)
+ goto unwind;
+
+ local->fd = fd_ref (fd);
if (!conf->force_readdirp) {
STACK_WIND(frame, mdc_readdir_cbk, FIRST_CHILD(this),
@@ -2477,6 +2685,9 @@ mdc_readdir (call_frame_t *frame, xlator_t *this, fd_t *fd,
dict_unref (xdata);
return 0;
+unwind:
+ MDC_STACK_UNWIND (readdir, frame, -1, ENOMEM, NULL, NULL);
+ return 0;
}
int
@@ -2487,12 +2698,14 @@ mdc_fallocate_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
mdc_local_t *local = NULL;
local = frame->local;
-
- if (op_ret != 0)
+ if (!local)
goto out;
- if (!local)
+ if (op_ret != 0) {
+ if ((op_errno == ENOENT) || (op_errno == ESTALE))
+ mdc_inode_iatt_invalidate (this, local->fd->inode);
goto out;
+ }
mdc_inode_iatt_set_validate(this, local->fd->inode, prebuf, postbuf,
_gf_true);
@@ -2527,12 +2740,14 @@ mdc_discard_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
mdc_local_t *local = NULL;
local = frame->local;
-
- if (op_ret != 0)
+ if (!local)
goto out;
- if (!local)
+ if (op_ret != 0) {
+ if ((op_errno == ENOENT) || (op_errno == ESTALE))
+ mdc_inode_iatt_invalidate (this, local->fd->inode);
goto out;
+ }
mdc_inode_iatt_set_validate(this, local->fd->inode, prebuf, postbuf,
_gf_true);
@@ -2567,12 +2782,14 @@ mdc_zerofill_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
mdc_local_t *local = NULL;
local = frame->local;
-
- if (op_ret != 0)
+ if (!local)
goto out;
- if (!local)
+ if (op_ret != 0) {
+ if ((op_errno == ENOENT) || (op_errno == ESTALE))
+ mdc_inode_iatt_invalidate (this, local->fd->inode);
goto out;
+ }
mdc_inode_iatt_set_validate(this, local->fd->inode, prebuf, postbuf,
_gf_true);
@@ -2599,6 +2816,137 @@ int mdc_zerofill(call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
return 0;
}
+int32_t
+mdc_readlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, const char *path,
+ struct iatt *buf, dict_t *xdata)
+{
+ mdc_local_t *local = NULL;
+
+ local = frame->local;
+ if (!local)
+ goto out;
+
+ if (op_ret == 0)
+ goto out;
+
+ if ((op_errno == ENOENT) || (op_errno == ESTALE))
+ mdc_inode_iatt_invalidate (this, local->loc.inode);
+
+out:
+ MDC_STACK_UNWIND (readlink, frame, op_ret, op_errno,
+ path, buf, xdata);
+ return 0;
+}
+
+int32_t
+mdc_readlink (call_frame_t *frame, xlator_t *this, loc_t *loc, size_t size,
+ dict_t *xdata)
+{
+ mdc_local_t *local = NULL;
+
+ local = mdc_local_get (frame);
+ if (!local)
+ goto unwind;
+
+ loc_copy (&local->loc, loc);
+
+ STACK_WIND (frame, mdc_readlink_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->readlink,
+ loc, size, xdata);
+ return 0;
+
+unwind:
+ MDC_STACK_UNWIND (readlink, frame, -1, ENOMEM, NULL, NULL, NULL);
+ return 0;
+}
+
+int32_t
+mdc_fsyncdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
+{
+ mdc_local_t *local = NULL;
+
+ local = frame->local;
+ if (!local)
+ goto out;
+
+ if (op_ret == 0)
+ goto out;
+
+ if ((op_errno == ESTALE) || (op_errno == ENOENT))
+ mdc_inode_iatt_invalidate (this, local->fd->inode);
+
+out:
+ MDC_STACK_UNWIND (fsyncdir, frame, op_ret, op_errno, xdata);
+ return 0;
+}
+
+int32_t
+mdc_fsyncdir (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t flags,
+ dict_t *xdata)
+{
+ mdc_local_t *local = NULL;
+
+ local = mdc_local_get (frame);
+ if (!local)
+ goto unwind;
+
+ local->fd = fd_ref (fd);
+
+ STACK_WIND (frame, mdc_fsyncdir_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->fsyncdir, fd, flags, xdata);
+ return 0;
+
+unwind:
+ MDC_STACK_UNWIND (fsyncdir, frame, -1, ENOMEM, NULL);
+ return 0;
+}
+
+int32_t
+mdc_access_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
+{
+ mdc_local_t *local = NULL;
+
+ local = frame->local;
+ if (!local)
+ goto out;
+
+ if (op_ret == 0)
+ goto out;
+
+ if ((op_errno == ESTALE) || (op_errno == ENOENT))
+ mdc_inode_iatt_invalidate (this, local->loc.inode);
+
+out:
+ MDC_STACK_UNWIND (access, frame, op_ret, op_errno, xdata);
+ return 0;
+}
+
+
+
+int32_t
+mdc_access (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t mask,
+ dict_t *xdata)
+{
+ mdc_local_t *local = NULL;
+
+ local = mdc_local_get (frame);
+ if (!local)
+ goto unwind;
+
+ loc_copy (&local->loc, loc);
+
+ STACK_WIND (frame, mdc_access_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->access, loc, mask, xdata);
+ return 0;
+
+unwind:
+ MDC_STACK_UNWIND (access, frame, -1, ENOMEM, NULL);
+ return 0;
+}
+
int
mdc_priv_dump (xlator_t *this)
@@ -3196,6 +3544,9 @@ struct xlator_fops mdc_fops = {
.discard = mdc_discard,
.zerofill = mdc_zerofill,
.statfs = mdc_statfs,
+ .readlink = mdc_readlink,
+ .fsyncdir = mdc_fsyncdir,
+ .access = mdc_access,
};
generated by cgit (git 2.34.1) at 2024-11-19 08:37:27 +0000