fuse: send lookup if inode_ctx is not set

During resolving of an entry or inode, if inode ctx
was not set, we will send a lookup.

This patch also make sure that inode_ctx will be created
after every inode_link

Change-Id: I4211533ca96a51b89d9f010fc57133470e52dc11
BUG: 1297311
Signed-off-by: Mohammed Rafi KC <rkavunga@redhat.com>
Reviewed-on: http://review.gluster.org/13225
Reviewed-by: Dan Lambright <dlambrig@redhat.com>
Tested-by: Dan Lambright <dlambrig@redhat.com>

1 files changed, 13 insertions, 4 deletions

diff --git a/xlators/mount/fuse/src/fuse-bridge.c b/xlators/mount/fuse/src/fuse-bridge.c
index eba8a6ddb0c..8ac641d5bca 100644
--- a/xlators/mount/fuse/src/fuse-bridge.c
+++ b/xlators/mount/fuse/src/fuse-bridge.c
@@ -380,6 +380,7 @@ fuse_entry_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
         struct fuse_entry_out  feo          = {0, };
         fuse_private_t        *priv         = NULL;
         inode_t               *linked_inode = NULL;
+        uint64_t               ctx_value    = LOOKUP_NOT_NEEDED;
 
         priv = this->private;
         state = frame->root->state;
@@ -429,7 +430,8 @@ fuse_entry_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
                 linked_inode = inode_link (inode, state->loc.parent,
                                            state->loc.name, buf);
 
-                if (linked_inode != inode) {
+                if (linked_inode == inode) {
+                        inode_ctx_set (linked_inode, this, &ctx_value);
                 }
 
                 inode_lookup (linked_inode);
@@ -1915,6 +1917,7 @@ fuse_create_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
         struct fuse_open_out    foo          = {0, };
         struct iovec            iov_out[3];
         inode_t                *linked_inode = NULL;
+        uint64_t                ctx_value    = LOOKUP_NOT_NEEDED;
 
         state    = frame->root->state;
         priv     = this->private;
@@ -1950,6 +1953,8 @@ fuse_create_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
                         */
                         inode_unref (fd->inode);
                         fd->inode = inode_ref (linked_inode);
+                } else {
+                        inode_ctx_set (linked_inode, this, &ctx_value);
                 }
 
                 inode_lookup (linked_inode);
@@ -4168,12 +4173,13 @@ fuse_first_lookup (xlator_t *this)
 
 
 int
-fuse_nameless_lookup (xlator_t *xl, uuid_t gfid, loc_t *loc)
+fuse_nameless_lookup (xlator_t *this, xlator_t *xl, uuid_t gfid, loc_t *loc)
 {
         int          ret          = -1;
         dict_t      *xattr_req    = NULL;
         struct iatt  iatt         = {0, };
         inode_t     *linked_inode = NULL;
+        uint64_t     ctx_value    = LOOKUP_NOT_NEEDED;
 
         if ((loc == NULL) || (xl == NULL)) {
                 ret = -EINVAL;
@@ -4201,6 +4207,9 @@ fuse_nameless_lookup (xlator_t *xl, uuid_t gfid, loc_t *loc)
                 goto out;
 
         linked_inode = inode_link (loc->inode, NULL, NULL, &iatt);
+        if (linked_inode == loc->inode)
+                inode_ctx_set (linked_inode, this, &ctx_value);
+
         inode_unref (loc->inode);
         loc->inode = linked_inode;
 
@@ -4240,8 +4249,8 @@ fuse_migrate_fd_open (xlator_t *this, fd_t *basefd, fd_t *oldfd,
         loc.inode = inode_find (new_subvol->itable, basefd->inode->gfid);
 
         if (loc.inode == NULL) {
-                ret = fuse_nameless_lookup (new_subvol, basefd->inode->gfid,
-                                            &loc);
+                ret = fuse_nameless_lookup (this, new_subvol,
+                                            basefd->inode->gfid, &loc);
                 if (ret < 0) {
                         gf_log ("glusterfs-fuse", GF_LOG_WARNING,
                                 "name-less lookup of gfid (%s) failed (%s)"