loc_t: add 'gfid' and 'pargfid' fields

these fields are used mainly in case of selfheal path, where
'inode->gfid'||'parent->gfid' is not yet set.

These fields in 'loc' will have lower precedence than 'inode->gfid'
in client protocol.

Signed-off-by: Amar Tumballi <amar@gluster.com>
Signed-off-by: Anand Avati <avati@gluster.com>

BUG: 2346 (Log message enhancements in GlusterFS - phase 1)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2346

5 files changed, 30 insertions, 1 deletions

diff --git a/xlators/cluster/afr/src/afr-common.c b/xlators/cluster/afr/src/afr-common.c
index 5c8a8105d30..2b24522f5d9 100644
--- a/xlators/cluster/afr/src/afr-common.c
+++ b/xlators/cluster/afr/src/afr-common.c
@@ -492,6 +492,16 @@ afr_up_children_count (int child_count, unsigned char *child_up)
         return ret;
 }
 
+void
+afr_update_loc_gfids (loc_t *loc, struct iatt *buf, struct iatt *postparent)
+{
+        GF_ASSERT (loc);
+        GF_ASSERT (buf);
+
+        uuid_copy (loc->gfid, buf->ia_gfid);
+        if (postparent)
+                uuid_copy (loc->pargfid, postparent->ia_gfid);
+}
 
 ino64_t
 afr_itransform (ino64_t ino, int child_count, int child_index)
@@ -887,6 +897,10 @@ afr_fresh_lookup_cbk (call_frame_t *frame, void *cookie,
 
                         *lookup_buf = *buf;
 
+                        uuid_copy (local->loc.gfid, buf->ia_gfid);
+                        uuid_copy (local->loc.pargfid,
+                                   postparent->ia_gfid);
+
                         lookup_buf->ia_ino = afr_itransform (buf->ia_ino,
                                                              priv->child_count,
                                                              child_index);
@@ -916,6 +930,10 @@ afr_fresh_lookup_cbk (call_frame_t *frame, void *cookie,
                                 local->cont.lookup.postparent          = *postparent;
 
                                 *lookup_buf = *buf;
+
+                                uuid_copy (local->loc.gfid, buf->ia_gfid);
+                                uuid_copy (local->loc.pargfid,
+                                           postparent->ia_gfid);
                         }
 
                 }
diff --git a/xlators/cluster/afr/src/afr-dir-write.c b/xlators/cluster/afr/src/afr-dir-write.c
index af42e7e06a0..1f2b58f4d25 100644
--- a/xlators/cluster/afr/src/afr-dir-write.c
+++ b/xlators/cluster/afr/src/afr-dir-write.c
@@ -69,6 +69,9 @@ afr_build_parent_loc (loc_t *parent, loc_t *child)
 	parent->inode  = inode_ref (child->parent);
 	parent->parent = inode_parent (parent->inode, 0, NULL);
 	parent->ino    = parent->inode->ino;
+
+        if (!uuid_is_null (child->pargfid))
+                uuid_copy (parent->gfid, child->pargfid);
 }
 
 /* {{{ create */
diff --git a/xlators/cluster/afr/src/afr-self-heal-entry.c b/xlators/cluster/afr/src/afr-self-heal-entry.c
index 0c9fca49572..818f688e558 100644
--- a/xlators/cluster/afr/src/afr-self-heal-entry.c
+++ b/xlators/cluster/afr/src/afr-self-heal-entry.c
@@ -1574,6 +1574,8 @@ afr_sh_entry_impunge_recreate_lookup_cbk (call_frame_t *impunge_frame,
         impunge_sh->parentbuf = *postparent;
 
 	impunge_local->cont.lookup.buf = *buf;
+        afr_update_loc_gfids (&impunge_local->loc, buf, postparent);
+
 	type = buf->ia_type;
 
 	switch (type) {
diff --git a/xlators/cluster/afr/src/afr.h b/xlators/cluster/afr/src/afr.h
index 7bd24e0ac6e..e4205ae9172 100644
--- a/xlators/cluster/afr/src/afr.h
+++ b/xlators/cluster/afr/src/afr.h
@@ -735,6 +735,9 @@ afr_build_parent_loc (loc_t *parent, loc_t *child);
 int
 afr_up_children_count (int child_count, unsigned char *child_up);
 
+void
+afr_update_loc_gfids (loc_t *loc, struct iatt *buf, struct iatt *postparent);
+
 int
 afr_locked_nodes_count (unsigned char *locked_nodes, int child_count);
 
diff --git a/xlators/cluster/dht/src/dht-common.c b/xlators/cluster/dht/src/dht-common.c
index e101b2b0900..112d4231dc3 100644
--- a/xlators/cluster/dht/src/dht-common.c
+++ b/xlators/cluster/dht/src/dht-common.c
@@ -149,7 +149,6 @@ dht_lookup_dir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
                     (prev->this == dht_first_up_subvol (this))) {
 			local->ia_ino = local->stbuf.ia_ino;
                 }
-
         }
 unlock:
         UNLOCK (&frame->lock);
@@ -3771,6 +3770,8 @@ dht_mkdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
                         local->ia_ino = local->stbuf.ia_ino;
                 }
 
+                if (uuid_is_null (local->loc.gfid) && !op_ret)
+                        uuid_copy (local->loc.gfid, stbuf->ia_gfid);
 	}
 unlock:
 	UNLOCK (&frame->lock);
@@ -3828,6 +3829,8 @@ dht_mkdir_hashed_cbk (call_frame_t *frame, void *cookie,
 	local->call_cnt = conf->subvolume_cnt - 1;
 	
 	if (local->call_cnt == 0) {
+                if (uuid_is_null (local->loc.gfid) && !op_ret)
+                        uuid_copy (local->loc.gfid, stbuf->ia_gfid);
 		dht_selfheal_directory (frame, dht_mkdir_selfheal_cbk,
 					&local->loc, layout);
 	}