marker: set inode ctx before lookup unwind

When a file is unlinked before it was accounted by the marker,
then we may see error "ctx for the node ... is NULL" at many places.
This is actually not an error and can be ignored.

It is better to set the inode ctx before lookup/create is unwind
back to protocol server

Change-Id: I462b5542951f2fc2964f59af7a31978979dab1de
BUG: 1318158
Signed-off-by: vmallika <vmallika@redhat.com>
Reviewed-on: http://review.gluster.org/13748
Smoke: Gluster Build System <jenkins@build.gluster.com>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Raghavendra G <rgowdapp@redhat.com>

1 files changed, 75 insertions, 18 deletions

diff --git a/xlators/features/marker/src/marker.c b/xlators/features/marker/src/marker.c
index 10c7e04f21f..48a275e2783 100644
--- a/xlators/features/marker/src/marker.c
+++ b/xlators/features/marker/src/marker.c
@@ -715,6 +715,7 @@ marker_mkdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
 {
         marker_conf_t      *priv    = NULL;
         marker_local_t     *local   = NULL;
+        quota_inode_ctx_t  *ctx     = NULL;
 
         if (op_ret == -1) {
                 gf_log (this->name, GF_LOG_TRACE, "error occurred "
@@ -724,6 +725,17 @@ marker_mkdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
         local = (marker_local_t *) frame->local;
 
         frame->local = NULL;
+        priv = this->private;
+
+        if (op_ret >= 0 && inode && (priv->feature_enabled & GF_QUOTA)) {
+                ctx = mq_inode_ctx_new (inode, this);
+                if (ctx == NULL) {
+                        gf_log (this->name, GF_LOG_WARNING, "mq_inode_ctx_new "
+                                "failed for %s", uuid_utoa (inode->gfid));
+                        op_ret = -1;
+                        op_errno = ENOMEM;
+                }
+        }
 
         STACK_UNWIND_STRICT (mkdir, frame, op_ret, op_errno, inode,
                              buf, preparent, postparent, xdata);
@@ -734,8 +746,6 @@ marker_mkdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
         if (gf_uuid_is_null (local->loc.gfid))
                 gf_uuid_copy (local->loc.gfid, buf->ia_gfid);
 
-        priv = this->private;
-
         if (priv->feature_enabled & GF_QUOTA)
                 mq_create_xattrs_txn (this, &local->loc, NULL);
 
@@ -790,6 +800,7 @@ marker_create_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
 {
         marker_local_t     *local   = NULL;
         marker_conf_t      *priv    = NULL;
+        quota_inode_ctx_t  *ctx     = NULL;
 
         if (op_ret == -1) {
                 gf_log (this->name, GF_LOG_TRACE, "error occurred "
@@ -799,6 +810,17 @@ marker_create_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
         local = (marker_local_t *) frame->local;
 
         frame->local = NULL;
+        priv = this->private;
+
+        if (op_ret >= 0 && inode && (priv->feature_enabled & GF_QUOTA)) {
+                ctx = mq_inode_ctx_new (inode, this);
+                if (ctx == NULL) {
+                        gf_log (this->name, GF_LOG_WARNING, "mq_inode_ctx_new "
+                                "failed for %s", uuid_utoa (inode->gfid));
+                        op_ret = -1;
+                        op_errno = ENOMEM;
+                }
+        }
 
         STACK_UNWIND_STRICT (create, frame, op_ret, op_errno, fd, inode, buf,
                              preparent, postparent, xdata);
@@ -809,8 +831,6 @@ marker_create_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
         if (gf_uuid_is_null (local->loc.gfid))
                 gf_uuid_copy (local->loc.gfid, buf->ia_gfid);
 
-        priv = this->private;
-
         if (priv->feature_enabled & GF_QUOTA)
                 mq_create_xattrs_txn (this, &local->loc, buf);
 
@@ -1892,6 +1912,7 @@ marker_symlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
 {
         marker_conf_t      *priv    = NULL;
         marker_local_t     *local   = NULL;
+        quota_inode_ctx_t  *ctx     = NULL;
 
         if (op_ret == -1) {
                 gf_log (this->name, GF_LOG_TRACE, "%s occurred while "
@@ -1901,6 +1922,17 @@ marker_symlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
         local = (marker_local_t *) frame->local;
 
         frame->local = NULL;
+        priv = this->private;
+
+        if (op_ret >= 0 && inode && (priv->feature_enabled & GF_QUOTA)) {
+                ctx = mq_inode_ctx_new (inode, this);
+                if (ctx == NULL) {
+                        gf_log (this->name, GF_LOG_WARNING, "mq_inode_ctx_new "
+                                "failed for %s", uuid_utoa (inode->gfid));
+                        op_ret = -1;
+                        op_errno = ENOMEM;
+                }
+        }
 
         STACK_UNWIND_STRICT (symlink, frame, op_ret, op_errno, inode, buf,
                              preparent, postparent, xdata);
@@ -1911,8 +1943,6 @@ marker_symlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
         if (gf_uuid_is_null (local->loc.gfid))
                 gf_uuid_copy (local->loc.gfid, buf->ia_gfid);
 
-        priv = this->private;
-
         if (priv->feature_enabled & GF_QUOTA) {
                 mq_create_xattrs_txn (this, &local->loc, buf);
         }
@@ -1967,6 +1997,7 @@ marker_mknod_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
 {
         marker_local_t     *local   = NULL;
         marker_conf_t      *priv    = NULL;
+        quota_inode_ctx_t  *ctx     = NULL;
 
         if (op_ret == -1) {
                 gf_log (this->name, GF_LOG_TRACE, "%s occurred with "
@@ -1976,6 +2007,17 @@ marker_mknod_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
         local = (marker_local_t *) frame->local;
 
         frame->local = NULL;
+        priv = this->private;
+
+        if (op_ret >= 0 && inode && (priv->feature_enabled & GF_QUOTA)) {
+                ctx = mq_inode_ctx_new (inode, this);
+                if (ctx == NULL) {
+                        gf_log (this->name, GF_LOG_WARNING, "mq_inode_ctx_new "
+                                "failed for %s", uuid_utoa (inode->gfid));
+                        op_ret = -1;
+                        op_errno = ENOMEM;
+                }
+        }
 
         STACK_UNWIND_STRICT (mknod, frame, op_ret, op_errno, inode,
                              buf, preparent, postparent, xdata);
@@ -1986,8 +2028,6 @@ marker_mknod_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
         if (gf_uuid_is_null (local->loc.gfid))
                 gf_uuid_copy (local->loc.gfid, buf->ia_gfid);
 
-        priv = this->private;
-
         if ((priv->feature_enabled & GF_QUOTA) && (S_ISREG (local->mode))) {
                 mq_create_xattrs_txn (this, &local->loc, buf);
         }
@@ -2813,10 +2853,11 @@ marker_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
                    int32_t op_ret, int32_t op_errno, inode_t *inode,
                    struct iatt *buf, dict_t *dict, struct iatt *postparent)
 {
-        marker_conf_t  *priv                       = NULL;
-        marker_local_t *local                      = NULL;
-        dict_t         *xattrs                     = NULL;
-        int32_t         ret                        = -1;
+        marker_conf_t      *priv                       = NULL;
+        marker_local_t     *local                      = NULL;
+        dict_t             *xattrs                     = NULL;
+        quota_inode_ctx_t  *ctx                        = NULL;
+        int32_t             ret                        = -1;
 
         priv = this->private;
         local = (marker_local_t *) frame->local;
@@ -2847,6 +2888,16 @@ marker_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
                 xattrs = dict_ref (dict);
         }
 
+        if (op_ret >= 0 && inode && (priv->feature_enabled & GF_QUOTA)) {
+                ctx = mq_inode_ctx_new (inode, this);
+                if (ctx == NULL) {
+                        gf_log (this->name, GF_LOG_WARNING, "mq_inode_ctx_new "
+                                "failed for %s", uuid_utoa (inode->gfid));
+                        op_ret = -1;
+                        op_errno = ENOMEM;
+                }
+        }
+
 unwind:
         STACK_UNWIND_STRICT (lookup, frame, op_ret, op_errno, inode, buf,
                              xattrs, postparent);
@@ -2985,12 +3036,13 @@ marker_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;
-        marker_conf_t  *priv  = NULL;
-        marker_local_t *local = NULL;
-        loc_t           loc   = {0, };
-        int             ret   = -1;
-        char           *resolvedpath = NULL;
+        gf_dirent_t        *entry         = NULL;
+        marker_conf_t      *priv          = NULL;
+        marker_local_t     *local         = NULL;
+        loc_t               loc           = {0, };
+        int                 ret           = -1;
+        char               *resolvedpath  = NULL;
+        quota_inode_ctx_t  *ctx           = NULL;
 
         if (op_ret <= 0)
                 goto unwind;
@@ -3021,6 +3073,11 @@ marker_readdirp_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
                 loc.path = resolvedpath;
                 resolvedpath = NULL;
 
+                ctx = mq_inode_ctx_new (loc.inode, this);
+                if (ctx == NULL)
+                        gf_log (this->name, GF_LOG_WARNING, "mq_inode_ctx_new "
+                                "failed for %s", uuid_utoa (loc.inode->gfid));
+
                 mq_xattr_state (this, &loc, entry->dict, entry->d_stat);
                 loc_wipe (&loc);