iatt: changes across the codebase

- libglusterfs
  -- call-stub
  -- inode
  -- protocol
- libglusterfsclient
- cluster/replicate
- cluster/{dht,nufa,switch}
- cluster/unify
- cluster/HA
- cluster/map
- cluster/stripe
- debug/error-gen
- debug/trace
- debug/io-stats
- encryption/rot-13
- features/filter
- features/locks
- features/path-converter
- features/quota
- features/trash
- mount/fuse
- performance/io-threads
- performance/io-cache
- performance/quick-read
- performance/read-ahead
- performance/stat-prefetch
- performance/symlink-cache
- performance/write-behind
- protocol/client
- protocol/server
- storage-posix

Signed-off-by: Anand V. Avati <avati@blackhole.gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 361 (GlusterFS 3.0 should work on Mac OS/X)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=361

15 files changed, 311 insertions, 333 deletions

diff --git a/xlators/cluster/afr/src/afr-dir-read.c b/xlators/cluster/afr/src/afr-dir-read.c
index 98cda1e80..065221e1d 100644
--- a/xlators/cluster/afr/src/afr-dir-read.c
+++ b/xlators/cluster/afr/src/afr-dir-read.c
@@ -153,7 +153,7 @@ out:
 
                                 sh->need_entry_self_heal  = _gf_true;
                                 sh->forced_merge          = _gf_true;
-                                sh->mode                  = local->fd->inode->st_mode;
+                                sh->type                  = local->fd->inode->ia_type;
                                 sh->background            = _gf_false;
                                 sh->unwind                = afr_examine_dir_sh_unwind;
 
@@ -560,9 +560,9 @@ afr_readdirp_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
                 inum = afr_itransform (entry->d_ino, priv->child_count,
                                        child_index);
                 entry->d_ino = inum;
-                inum  = afr_itransform (entry->d_stat.st_ino,
+                inum  = afr_itransform (entry->d_stat.ia_ino,
                                         priv->child_count, child_index);
-                entry->d_stat.st_ino = inum;
+                entry->d_stat.ia_ino = inum;
 
                 if ((local->fd->inode == local->fd->inode->table->root)
                     && !strcmp (entry->d_name, GF_REPLICATE_TRASH_DIR)) {
diff --git a/xlators/cluster/afr/src/afr-dir-write.c b/xlators/cluster/afr/src/afr-dir-write.c
index 8a6529bfb..14d3e28c4 100644
--- a/xlators/cluster/afr/src/afr-dir-write.c
+++ b/xlators/cluster/afr/src/afr-dir-write.c
@@ -79,7 +79,7 @@ afr_create_unwind (call_frame_t *frame, xlator_t *this)
 	call_frame_t *main_frame = NULL;
         afr_private_t * priv     = NULL;
 	afr_local_t  *local = NULL;
-        struct stat  *unwind_buf = NULL;
+        struct iatt  *unwind_buf = NULL;
 
         priv  = this->private;
 	local = frame->local;
@@ -94,17 +94,17 @@ afr_create_unwind (call_frame_t *frame, xlator_t *this)
 	UNLOCK (&frame->lock);
 
 	if (main_frame) {
-                if (local->cont.create.read_child_buf.st_ino) {
+                if (local->cont.create.read_child_buf.ia_ino) {
                         unwind_buf = &local->cont.create.read_child_buf;
                 } else {
                         unwind_buf = &local->cont.create.buf;
                 }
 
-                unwind_buf->st_ino = local->cont.create.ino;
-                unwind_buf->st_dev = local->cont.create.gen;
+                unwind_buf->ia_ino = local->cont.create.ino;
+                unwind_buf->ia_gen = local->cont.create.gen;
 
-                local->cont.create.preparent.st_ino  = local->cont.create.parent_ino;
-                local->cont.create.postparent.st_ino = local->cont.create.parent_ino;
+                local->cont.create.preparent.ia_ino  = local->cont.create.parent_ino;
+                local->cont.create.postparent.ia_ino = local->cont.create.parent_ino;
 
 		AFR_STACK_UNWIND (create, main_frame,
                                   local->op_ret, local->op_errno,
@@ -121,8 +121,8 @@ afr_create_unwind (call_frame_t *frame, xlator_t *this)
 int
 afr_create_wind_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 stat *buf,
-                     struct stat *preparent, struct stat *postparent)
+		     fd_t *fd, inode_t *inode, struct iatt *buf,
+                     struct iatt *preparent, struct iatt *postparent)
 {
 	afr_local_t *   local = NULL;
 	afr_private_t * priv  = NULL;
@@ -176,10 +176,10 @@ afr_create_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
 				local->cont.create.buf        = *buf;
 
                                 local->cont.create.ino =
-                                        afr_itransform (buf->st_ino,
+                                        afr_itransform (buf->ia_ino,
                                                         priv->child_count,
                                                         child_index);
-                                local->cont.create.gen = buf->st_dev;
+                                local->cont.create.gen = buf->ia_gen;
 
                                 if (priv->read_child >= 0) {
                                         afr_set_read_child (this, inode, 
@@ -192,10 +192,10 @@ afr_create_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
                         
                         if (child_index == local->first_up_child) {
                                 local->cont.create.ino =
-                                        afr_itransform (buf->st_ino,
+                                        afr_itransform (buf->ia_ino,
                                                         priv->child_count,
                                                         local->first_up_child);
-                                local->cont.create.gen = buf->st_dev;
+                                local->cont.create.gen = buf->ia_gen;
                         }
                         
                         if (child_index == local->read_child_index) {
@@ -365,7 +365,7 @@ afr_mknod_unwind (call_frame_t *frame, xlator_t *this)
 	call_frame_t *main_frame = NULL;
 	afr_local_t  *local = NULL;
 
-        struct stat *unwind_buf = NULL;
+        struct iatt *unwind_buf = NULL;
 
 	local = frame->local;
 
@@ -379,17 +379,17 @@ afr_mknod_unwind (call_frame_t *frame, xlator_t *this)
 	UNLOCK (&frame->lock);
 
 	if (main_frame) {
-                if (local->cont.mknod.read_child_buf.st_ino) {
+                if (local->cont.mknod.read_child_buf.ia_ino) {
                         unwind_buf = &local->cont.mknod.read_child_buf;
                 } else {
                         unwind_buf = &local->cont.mknod.buf;
                 }
 
-                unwind_buf->st_ino = local->cont.mknod.ino;
-                unwind_buf->st_dev = local->cont.mknod.gen;
+                unwind_buf->ia_ino = local->cont.mknod.ino;
+                unwind_buf->ia_gen = local->cont.mknod.gen;
 
-                local->cont.mknod.preparent.st_ino  = local->cont.mknod.parent_ino;
-                local->cont.mknod.postparent.st_ino = local->cont.mknod.parent_ino;
+                local->cont.mknod.preparent.ia_ino  = local->cont.mknod.parent_ino;
+                local->cont.mknod.postparent.ia_ino = local->cont.mknod.parent_ino;
 
 		AFR_STACK_UNWIND (mknod, main_frame,
                                   local->op_ret, local->op_errno,
@@ -405,8 +405,8 @@ afr_mknod_unwind (call_frame_t *frame, xlator_t *this)
 int
 afr_mknod_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
                     int32_t op_ret, int32_t op_errno, inode_t *inode,
-                    struct stat *buf, struct stat *preparent,
-                    struct stat *postparent)
+                    struct iatt *buf, struct iatt *preparent,
+                    struct iatt *postparent)
 {
 	afr_local_t *   local = NULL;
 	afr_private_t * priv  = NULL;
@@ -430,10 +430,10 @@ afr_mknod_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
 			if (local->success_count == 0){
 				local->cont.mknod.buf   = *buf;
 				local->cont.mknod.ino   = 
-					afr_itransform (buf->st_ino,
+					afr_itransform (buf->ia_ino,
 							priv->child_count,
 							child_index);
-                                local->cont.mknod.gen   = buf->st_dev;
+                                local->cont.mknod.gen   = buf->ia_gen;
 
                                 if (priv->read_child >= 0) {
                                         afr_set_read_child (this, inode,
@@ -446,10 +446,10 @@ afr_mknod_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
 
                         if (child_index == local->first_up_child) {
                                 local->cont.mknod.ino =
-                                        afr_itransform (buf->st_ino,
+                                        afr_itransform (buf->ia_ino,
                                                         priv->child_count,
                                                         local->first_up_child);
-                                local->cont.mknod.gen = buf->st_dev;
+                                local->cont.mknod.gen = buf->ia_gen;
                         }
 
                         if (child_index == local->read_child_index) {
@@ -615,7 +615,7 @@ afr_mkdir_unwind (call_frame_t *frame, xlator_t *this)
 	call_frame_t *main_frame = NULL;
 	afr_local_t  *local = NULL;
 
-        struct stat *unwind_buf = NULL;
+        struct iatt *unwind_buf = NULL;
         
 	local = frame->local;
 
@@ -629,17 +629,17 @@ afr_mkdir_unwind (call_frame_t *frame, xlator_t *this)
 	UNLOCK (&frame->lock);
 
 	if (main_frame) {
-                if (local->cont.mkdir.read_child_buf.st_ino) {
+                if (local->cont.mkdir.read_child_buf.ia_ino) {
                         unwind_buf = &local->cont.mkdir.read_child_buf;
                 } else {
                         unwind_buf = &local->cont.mkdir.buf;
                 }
 
-                unwind_buf->st_ino = local->cont.mkdir.ino;
-                unwind_buf->st_dev = local->cont.mkdir.gen;
+                unwind_buf->ia_ino = local->cont.mkdir.ino;
+                unwind_buf->ia_gen = local->cont.mkdir.gen;
 
-                local->cont.mkdir.preparent.st_ino  = local->cont.mkdir.parent_ino;
-                local->cont.mkdir.postparent.st_ino = local->cont.mkdir.parent_ino;
+                local->cont.mkdir.preparent.ia_ino  = local->cont.mkdir.parent_ino;
+                local->cont.mkdir.postparent.ia_ino = local->cont.mkdir.parent_ino;
 
 		AFR_STACK_UNWIND (mkdir, main_frame,
                                   local->op_ret, local->op_errno,
@@ -655,8 +655,8 @@ afr_mkdir_unwind (call_frame_t *frame, xlator_t *this)
 int
 afr_mkdir_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
                     int32_t op_ret, int32_t op_errno, inode_t *inode,
-                    struct stat *buf, struct stat *preparent,
-                    struct stat *postparent)
+                    struct iatt *buf, struct iatt *preparent,
+                    struct iatt *postparent)
 {
 	afr_local_t *   local = NULL;
 	afr_private_t * priv  = NULL;
@@ -681,10 +681,10 @@ afr_mkdir_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
 				local->cont.mkdir.buf   = *buf;
 
                                 local->cont.mkdir.ino =
-                                        afr_itransform (buf->st_ino,
+                                        afr_itransform (buf->ia_ino,
                                                         priv->child_count,
                                                         child_index);
-                                local->cont.mkdir.gen = buf->st_dev;
+                                local->cont.mkdir.gen = buf->ia_gen;
 
                                 if (priv->read_child >= 0) {
                                         afr_set_read_child (this, inode,
@@ -697,10 +697,10 @@ afr_mkdir_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
 
                         if (child_index == local->first_up_child) {
                                 local->cont.mkdir.ino =
-                                        afr_itransform (buf->st_ino,
+                                        afr_itransform (buf->ia_ino,
                                                         priv->child_count,
                                                         local->first_up_child);
-                                local->cont.mkdir.gen = buf->st_dev;
+                                local->cont.mkdir.gen = buf->ia_gen;
                         }
                         
                         if (child_index == local->read_child_index) {
@@ -867,7 +867,7 @@ afr_link_unwind (call_frame_t *frame, xlator_t *this)
 	call_frame_t *main_frame = NULL;
 	afr_local_t  *local = NULL;
 
-        struct stat *unwind_buf = NULL;
+        struct iatt *unwind_buf = NULL;
 
 	local = frame->local;
 
@@ -881,16 +881,16 @@ afr_link_unwind (call_frame_t *frame, xlator_t *this)
 	UNLOCK (&frame->lock);
 
 	if (main_frame) {
-                if (local->cont.link.read_child_buf.st_ino) {
+                if (local->cont.link.read_child_buf.ia_ino) {
                         unwind_buf = &local->cont.link.read_child_buf;
                 } else {
                         unwind_buf = &local->cont.link.buf;
                 }
 
-		unwind_buf->st_ino = local->cont.link.ino;
+		unwind_buf->ia_ino = local->cont.link.ino;
 
-                local->cont.link.preparent.st_ino  = local->cont.link.parent_ino;
-                local->cont.link.postparent.st_ino = local->cont.link.parent_ino;
+                local->cont.link.preparent.ia_ino  = local->cont.link.parent_ino;
+                local->cont.link.postparent.ia_ino = local->cont.link.parent_ino;
 
 		AFR_STACK_UNWIND (link, main_frame,
                                   local->op_ret, local->op_errno, 
@@ -906,8 +906,8 @@ afr_link_unwind (call_frame_t *frame, xlator_t *this)
 int
 afr_link_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this, 
 		   int32_t op_ret, int32_t op_errno, inode_t *inode,
-                   struct stat *buf, struct stat *preparent,
-                   struct stat *postparent)
+                   struct iatt *buf, struct iatt *preparent,
+                   struct iatt *postparent)
 {
 	afr_local_t *   local = NULL;
 	afr_private_t * priv  = NULL;
@@ -1104,7 +1104,7 @@ afr_symlink_unwind (call_frame_t *frame, xlator_t *this)
 	call_frame_t *main_frame = NULL;
 	afr_local_t  *local = NULL;
         
-        struct stat *unwind_buf = NULL;
+        struct iatt *unwind_buf = NULL;
         
 	local = frame->local;
 
@@ -1118,17 +1118,17 @@ afr_symlink_unwind (call_frame_t *frame, xlator_t *this)
 	UNLOCK (&frame->lock);
 
 	if (main_frame) {
-                if (local->cont.symlink.read_child_buf.st_ino) {
+                if (local->cont.symlink.read_child_buf.ia_ino) {
                         unwind_buf = &local->cont.symlink.read_child_buf;
                 } else {
                         unwind_buf = &local->cont.symlink.buf;
                 }
 
-                unwind_buf->st_ino = local->cont.symlink.ino;
-                unwind_buf->st_dev = local->cont.symlink.gen;
+                unwind_buf->ia_ino = local->cont.symlink.ino;
+                unwind_buf->ia_gen = local->cont.symlink.gen;
 
-                local->cont.symlink.preparent.st_ino  = local->cont.symlink.parent_ino;
-                local->cont.symlink.postparent.st_ino = local->cont.symlink.parent_ino;
+                local->cont.symlink.preparent.ia_ino  = local->cont.symlink.parent_ino;
+                local->cont.symlink.postparent.ia_ino = local->cont.symlink.parent_ino;
 
 		AFR_STACK_UNWIND (symlink, main_frame,
                                   local->op_ret, local->op_errno,
@@ -1144,8 +1144,8 @@ afr_symlink_unwind (call_frame_t *frame, xlator_t *this)
 int
 afr_symlink_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this, 
 		      int32_t op_ret, int32_t op_errno, inode_t *inode,
-                      struct stat *buf, struct stat *preparent,
-                      struct stat *postparent)
+                      struct iatt *buf, struct iatt *preparent,
+                      struct iatt *postparent)
 {
 	afr_local_t *   local = NULL;
 	afr_private_t * priv  = NULL;
@@ -1169,9 +1169,9 @@ afr_symlink_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
 			if (local->success_count == 0) {
 				local->cont.symlink.buf        = *buf;
 				local->cont.symlink.ino = 
-					afr_itransform (buf->st_ino, priv->child_count,
+					afr_itransform (buf->ia_ino, priv->child_count,
 							child_index);
-                                local->cont.symlink.gen = buf->st_dev;
+                                local->cont.symlink.gen = buf->ia_gen;
 
                                 if (priv->read_child >= 0) {
                                         afr_set_read_child (this, inode,
@@ -1184,10 +1184,10 @@ afr_symlink_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
 
                         if (child_index == local->first_up_child) {
                                 local->cont.symlink.ino =
-                                        afr_itransform (buf->st_ino,
+                                        afr_itransform (buf->ia_ino,
                                                         priv->child_count,
                                                         local->first_up_child);
-                                local->cont.symlink.gen = buf->st_dev;
+                                local->cont.symlink.gen = buf->ia_gen;
                         }
 
                         if (child_index == local->read_child_index) {
@@ -1353,7 +1353,7 @@ afr_rename_unwind (call_frame_t *frame, xlator_t *this)
 	call_frame_t *main_frame = NULL;
 	afr_local_t  *local = NULL;
 
-        struct stat *unwind_buf = NULL;
+        struct iatt *unwind_buf = NULL;
 
 	local = frame->local;
 
@@ -1367,18 +1367,18 @@ afr_rename_unwind (call_frame_t *frame, xlator_t *this)
 	UNLOCK (&frame->lock);
 
 	if (main_frame) {
-                if (local->cont.rename.read_child_buf.st_ino) {
+                if (local->cont.rename.read_child_buf.ia_ino) {
                         unwind_buf = &local->cont.rename.read_child_buf;
                 } else {
                         unwind_buf = &local->cont.rename.buf;
                 }
 
-		unwind_buf->st_ino = local->cont.rename.ino;
+		unwind_buf->ia_ino = local->cont.rename.ino;
 
-                local->cont.rename.preoldparent.st_ino  = local->cont.rename.oldparent_ino;
-                local->cont.rename.postoldparent.st_ino = local->cont.rename.oldparent_ino;
-                local->cont.rename.prenewparent.st_ino  = local->cont.rename.newparent_ino;
-                local->cont.rename.postnewparent.st_ino = local->cont.rename.newparent_ino;
+                local->cont.rename.preoldparent.ia_ino  = local->cont.rename.oldparent_ino;
+                local->cont.rename.postoldparent.ia_ino = local->cont.rename.oldparent_ino;
+                local->cont.rename.prenewparent.ia_ino  = local->cont.rename.newparent_ino;
+                local->cont.rename.postnewparent.ia_ino = local->cont.rename.newparent_ino;
 
 		AFR_STACK_UNWIND (rename, main_frame,
                                   local->op_ret, local->op_errno, 
@@ -1395,9 +1395,9 @@ afr_rename_unwind (call_frame_t *frame, xlator_t *this)
 
 int
 afr_rename_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this, 
-		     int32_t op_ret, int32_t op_errno, struct stat *buf,
-                     struct stat *preoldparent, struct stat *postoldparent,
-                     struct stat *prenewparent, struct stat *postnewparent)
+		     int32_t op_ret, int32_t op_errno, struct iatt *buf,
+                     struct iatt *preoldparent, struct iatt *postoldparent,
+                     struct iatt *prenewparent, struct iatt *postnewparent)
 {
 	afr_local_t *   local = NULL;
 	afr_private_t * priv  = NULL;
@@ -1599,8 +1599,8 @@ afr_unlink_unwind (call_frame_t *frame, xlator_t *this)
 	UNLOCK (&frame->lock);
 
 	if (main_frame) {
-                local->cont.unlink.preparent.st_ino  = local->cont.unlink.parent_ino;
-                local->cont.unlink.postparent.st_ino = local->cont.unlink.parent_ino;
+                local->cont.unlink.preparent.ia_ino  = local->cont.unlink.parent_ino;
+                local->cont.unlink.postparent.ia_ino = local->cont.unlink.parent_ino;
 
 		AFR_STACK_UNWIND (unlink, main_frame,
                                   local->op_ret, local->op_errno,
@@ -1614,8 +1614,8 @@ afr_unlink_unwind (call_frame_t *frame, xlator_t *this)
 
 int
 afr_unlink_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this, 
-		     int32_t op_ret, int32_t op_errno, struct stat *preparent,
-                     struct stat *postparent)
+		     int32_t op_ret, int32_t op_errno, struct iatt *preparent,
+                     struct iatt *postparent)
 {
 	afr_local_t *   local = NULL;
 	afr_private_t * priv  = NULL;
@@ -1814,8 +1814,8 @@ afr_rmdir_unwind (call_frame_t *frame, xlator_t *this)
 	UNLOCK (&frame->lock);
 
 	if (main_frame) {
-                local->cont.rmdir.preparent.st_ino  = local->cont.rmdir.parent_ino;
-                local->cont.rmdir.postparent.st_ino = local->cont.rmdir.parent_ino;
+                local->cont.rmdir.preparent.ia_ino  = local->cont.rmdir.parent_ino;
+                local->cont.rmdir.postparent.ia_ino = local->cont.rmdir.parent_ino;
 
 		AFR_STACK_UNWIND (rmdir, main_frame,
                                   local->op_ret, local->op_errno,
@@ -1829,8 +1829,8 @@ afr_rmdir_unwind (call_frame_t *frame, xlator_t *this)
 
 int
 afr_rmdir_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this, 
-		    int32_t op_ret, int32_t op_errno, struct stat *preparent,
-                    struct stat *postparent)
+		    int32_t op_ret, int32_t op_errno, struct iatt *preparent,
+                    struct iatt *postparent)
 {
 	afr_local_t *   local = NULL;
 	afr_private_t * priv  = NULL;
diff --git a/xlators/cluster/afr/src/afr-inode-read.c b/xlators/cluster/afr/src/afr-inode-read.c
index 3b89da9ab..9ce103675 100644
--- a/xlators/cluster/afr/src/afr-inode-read.c
+++ b/xlators/cluster/afr/src/afr-inode-read.c
@@ -179,7 +179,7 @@ out:
 int32_t
 afr_stat_cbk (call_frame_t *frame, void *cookie,
 	      xlator_t *this, int32_t op_ret, int32_t op_errno,
-	      struct stat *buf)
+	      struct iatt *buf)
 {
 	afr_private_t * priv     = NULL;
 	afr_local_t *   local    = NULL;
@@ -222,7 +222,7 @@ afr_stat_cbk (call_frame_t *frame, void *cookie,
 out:
 	if (unwind) {
 		if (buf)
-			buf->st_ino = local->cont.stat.ino;
+			buf->ia_ino = local->cont.stat.ino;
 
 		AFR_STACK_UNWIND (stat, frame, op_ret, op_errno, buf);
 	}
@@ -303,7 +303,7 @@ out:
 int32_t
 afr_fstat_cbk (call_frame_t *frame, void *cookie,
 	       xlator_t *this, int32_t op_ret, int32_t op_errno,
-	       struct stat *buf)
+	       struct iatt *buf)
 {
 	afr_private_t * priv     = NULL;
 	afr_local_t *   local    = NULL;
@@ -346,7 +346,7 @@ afr_fstat_cbk (call_frame_t *frame, void *cookie,
 out:
 	if (unwind) {
 		if (buf)
-			buf->st_ino = local->cont.fstat.ino;
+			buf->ia_ino = local->cont.fstat.ino;
 
 		AFR_STACK_UNWIND (fstat, frame, op_ret, op_errno, buf);
 	}
@@ -428,7 +428,7 @@ out:
 int32_t
 afr_readlink_cbk (call_frame_t *frame, void *cookie,
 		  xlator_t *this, int32_t op_ret, int32_t op_errno,
-		  const char *buf, struct stat *sbuf)
+		  const char *buf, struct iatt *sbuf)
 {
 	afr_private_t * priv     = NULL;
 	afr_local_t *   local    = NULL;
@@ -471,7 +471,7 @@ afr_readlink_cbk (call_frame_t *frame, void *cookie,
 out:
 	if (unwind) {
                 if (sbuf)
-                        sbuf->st_ino = local->cont.readlink.ino;
+                        sbuf->ia_ino = local->cont.readlink.ino;
 
 		AFR_STACK_UNWIND (readlink, frame, op_ret, op_errno, buf, sbuf);
 	}
@@ -748,7 +748,7 @@ out:
 int32_t
 afr_readv_cbk (call_frame_t *frame, void *cookie,
 	       xlator_t *this, int32_t op_ret, int32_t op_errno,
-	       struct iovec *vector, int32_t count, struct stat *buf,
+	       struct iovec *vector, int32_t count, struct iatt *buf,
                struct iobref *iobref)
 {
 	afr_private_t * priv     = NULL;
@@ -803,7 +803,7 @@ afr_readv_cbk (call_frame_t *frame, void *cookie,
 out:
 	if (unwind) {
                 if (buf)
-                        buf->st_ino = local->cont.readv.ino;
+                        buf->ia_ino = local->cont.readv.ino;
 
 		AFR_STACK_UNWIND (readv, frame, op_ret, op_errno,
                                   vector, count, buf, iobref);
diff --git a/xlators/cluster/afr/src/afr-inode-write.c b/xlators/cluster/afr/src/afr-inode-write.c
index 32e93e6e2..7b7408bbc 100644
--- a/xlators/cluster/afr/src/afr-inode-write.c
+++ b/xlators/cluster/afr/src/afr-inode-write.c
@@ -69,8 +69,8 @@ afr_writev_unwind (call_frame_t *frame, xlator_t *this)
 	UNLOCK (&frame->lock);
 
 	if (main_frame) {
-                local->cont.writev.prebuf.st_ino  = local->cont.writev.ino;
-                local->cont.writev.postbuf.st_ino = local->cont.writev.ino;
+                local->cont.writev.prebuf.ia_ino  = local->cont.writev.ino;
+                local->cont.writev.postbuf.ia_ino = local->cont.writev.ino;
 
 		AFR_STACK_UNWIND (writev, main_frame,
                                   local->op_ret, local->op_errno,
@@ -83,8 +83,8 @@ afr_writev_unwind (call_frame_t *frame, xlator_t *this)
 
 int
 afr_writev_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this, 
-		     int32_t op_ret, int32_t op_errno, struct stat *prebuf,
-                     struct stat *postbuf)
+		     int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
+                     struct iatt *postbuf)
 {
 	afr_local_t *   local = NULL;
 	afr_private_t * priv  = NULL;
@@ -350,8 +350,8 @@ afr_truncate_unwind (call_frame_t *frame, xlator_t *this)
 	UNLOCK (&frame->lock);
 
 	if (main_frame) {
-                local->cont.truncate.prebuf.st_ino  = local->cont.truncate.ino;
-                local->cont.truncate.postbuf.st_ino = local->cont.truncate.ino;
+                local->cont.truncate.prebuf.ia_ino  = local->cont.truncate.ino;
+                local->cont.truncate.postbuf.ia_ino = local->cont.truncate.ino;
 
                 AFR_STACK_UNWIND (truncate, main_frame, local->op_ret,
                                   local->op_errno,
@@ -365,8 +365,8 @@ afr_truncate_unwind (call_frame_t *frame, xlator_t *this)
 
 int
 afr_truncate_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this, 
-		       int32_t op_ret, int32_t op_errno, struct stat *prebuf,
-                       struct stat *postbuf)
+		       int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
+                       struct iatt *postbuf)
 {
 	afr_local_t *   local = NULL;
 	afr_private_t * priv  = NULL;
@@ -569,8 +569,8 @@ afr_ftruncate_unwind (call_frame_t *frame, xlator_t *this)
 	UNLOCK (&frame->lock);
 
 	if (main_frame) {
-                local->cont.ftruncate.prebuf.st_ino  = local->cont.ftruncate.ino;
-                local->cont.ftruncate.postbuf.st_ino = local->cont.ftruncate.ino;
+                local->cont.ftruncate.prebuf.ia_ino  = local->cont.ftruncate.ino;
+                local->cont.ftruncate.postbuf.ia_ino = local->cont.ftruncate.ino;
 
 		AFR_STACK_UNWIND (ftruncate, main_frame, local->op_ret,
                                   local->op_errno,
@@ -583,8 +583,8 @@ afr_ftruncate_unwind (call_frame_t *frame, xlator_t *this)
 
 int
 afr_ftruncate_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this, 
-			int32_t op_ret, int32_t op_errno, struct stat *prebuf,
-                        struct stat *postbuf)
+			int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
+                        struct iatt *postbuf)
 {
 	afr_local_t *   local = NULL;
 	afr_private_t * priv  = NULL;
@@ -828,8 +828,8 @@ afr_setattr_unwind (call_frame_t *frame, xlator_t *this)
 	UNLOCK (&frame->lock);
 
 	if (main_frame) {
-                local->cont.setattr.preop_buf.st_ino  = local->cont.setattr.ino;
-                local->cont.setattr.postop_buf.st_ino = local->cont.setattr.ino;
+                local->cont.setattr.preop_buf.ia_ino  = local->cont.setattr.ino;
+                local->cont.setattr.postop_buf.ia_ino = local->cont.setattr.ino;
 
                 AFR_STACK_UNWIND (setattr, main_frame, local->op_ret,
                                   local->op_errno,
@@ -844,7 +844,7 @@ afr_setattr_unwind (call_frame_t *frame, xlator_t *this)
 int
 afr_setattr_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
                       int32_t op_ret, int32_t op_errno,
-                      struct stat *preop, struct stat *postop)
+                      struct iatt *preop, struct iatt *postop)
 {
 	afr_local_t *   local = NULL;
 	afr_private_t * priv  = NULL;
@@ -961,7 +961,7 @@ afr_setattr_done (call_frame_t *frame, xlator_t *this)
 
 int
 afr_setattr (call_frame_t *frame, xlator_t *this,
-             loc_t *loc, struct stat *buf, int32_t valid)
+             loc_t *loc, struct iatt *buf, int32_t valid)
 {
 	afr_private_t * priv  = NULL;
 	afr_local_t   * local = NULL;
@@ -1046,9 +1046,9 @@ afr_fsetattr_unwind (call_frame_t *frame, xlator_t *this)
 	UNLOCK (&frame->lock);
 
 	if (main_frame) {
-                local->cont.fsetattr.preop_buf.st_ino  =
+                local->cont.fsetattr.preop_buf.ia_ino  =
                         local->cont.fsetattr.ino;
-                local->cont.fsetattr.postop_buf.st_ino =
+                local->cont.fsetattr.postop_buf.ia_ino =
                         local->cont.fsetattr.ino;
 
                 AFR_STACK_UNWIND (fsetattr, main_frame, local->op_ret,
@@ -1064,7 +1064,7 @@ afr_fsetattr_unwind (call_frame_t *frame, xlator_t *this)
 int
 afr_fsetattr_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
                       int32_t op_ret, int32_t op_errno,
-                      struct stat *preop, struct stat *postop)
+                      struct iatt *preop, struct iatt *postop)
 {
 	afr_local_t *   local = NULL;
 	afr_private_t * priv  = NULL;
@@ -1181,7 +1181,7 @@ afr_fsetattr_done (call_frame_t *frame, xlator_t *this)
 
 int
 afr_fsetattr (call_frame_t *frame, xlator_t *this,
-              fd_t *fd, struct stat *buf, int32_t valid)
+              fd_t *fd, struct iatt *buf, int32_t valid)
 {
 	afr_private_t * priv  = NULL;
 	afr_local_t   * local = NULL;
diff --git a/xlators/cluster/afr/src/afr-inode-write.h b/xlators/cluster/afr/src/afr-inode-write.h
index 66da777b6..f0c2fbe00 100644
--- a/xlators/cluster/afr/src/afr-inode-write.h
+++ b/xlators/cluster/afr/src/afr-inode-write.h
@@ -55,11 +55,11 @@ afr_utimens (call_frame_t *frame, xlator_t *this,
 
 int
 afr_setattr (call_frame_t *frame, xlator_t *this,
-             loc_t *loc, struct stat *buf, int32_t valid);
+             loc_t *loc, struct iatt *buf, int32_t valid);
 
 int
 afr_fsetattr (call_frame_t *frame, xlator_t *this,
-              fd_t *fd, struct stat *buf, int32_t valid);
+              fd_t *fd, struct iatt *buf, int32_t valid);
 
 int32_t
 afr_setxattr (call_frame_t *frame, xlator_t *this,
diff --git a/xlators/cluster/afr/src/afr-open.c b/xlators/cluster/afr/src/afr-open.c
index ae58eef06..1bfeb9cdf 100644
--- a/xlators/cluster/afr/src/afr-open.c
+++ b/xlators/cluster/afr/src/afr-open.c
@@ -58,8 +58,8 @@
 
 int
 afr_open_ftruncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this, 
-			int32_t op_ret, int32_t op_errno, struct stat *prebuf,
-                        struct stat *postbuf)
+			int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
+                        struct iatt *postbuf)
 {
 	afr_local_t * local = frame->local;
 
@@ -370,7 +370,7 @@ afr_up_down_flush_post_post_op (call_frame_t *frame, xlator_t *this)
 
         sh->data_lock_held      = _gf_true;
         sh->need_data_self_heal = _gf_true;
-        sh->mode                = local->fd->inode->st_mode;
+        sh->type                = local->fd->inode->ia_type;
         sh->background          = _gf_false;
         sh->unwind              = afr_up_down_flush_sh_unwind;
 
diff --git a/xlators/cluster/afr/src/afr-self-heal-algorithm.c b/xlators/cluster/afr/src/afr-self-heal-algorithm.c
index eefd1ff7b..f840c1bbe 100644
--- a/xlators/cluster/afr/src/afr-self-heal-algorithm.c
+++ b/xlators/cluster/afr/src/afr-self-heal-algorithm.c
@@ -114,8 +114,8 @@ sh_full_loop_return (call_frame_t *rw_frame, xlator_t *this, off_t offset)
 
 static int
 sh_full_write_cbk (call_frame_t *rw_frame, void *cookie, xlator_t *this,
-                   int32_t op_ret, int32_t op_errno, struct stat *prebuf,
-                   struct stat *postbuf)
+                   int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
+                   struct iatt *postbuf)
 {
 	afr_private_t * priv    = NULL;
 	afr_local_t * rw_local  = NULL;
@@ -169,7 +169,7 @@ sh_full_write_cbk (call_frame_t *rw_frame, void *cookie, xlator_t *this,
 static int
 sh_full_read_cbk (call_frame_t *rw_frame, void *cookie,
                   xlator_t *this, int32_t op_ret, int32_t op_errno,
-                  struct iovec *vector, int32_t count, struct stat *buf,
+                  struct iovec *vector, int32_t count, struct iatt *buf,
                   struct iobref *iobref)
 {
 	afr_private_t * priv    = NULL;
@@ -538,8 +538,8 @@ sh_diff_loop_return (call_frame_t *rw_frame, xlator_t *this,
 
 static int
 sh_diff_write_cbk (call_frame_t *rw_frame, void *cookie, xlator_t *this,
-                   int32_t op_ret, int32_t op_errno, struct stat *buf,
-                   struct stat *postbuf)
+                   int32_t op_ret, int32_t op_errno, struct iatt *buf,
+                   struct iatt *postbuf)
 {
 	afr_private_t *   priv     = NULL;
 	afr_local_t *     rw_local = NULL;
@@ -601,7 +601,7 @@ sh_diff_write_cbk (call_frame_t *rw_frame, void *cookie, xlator_t *this,
 static int
 sh_diff_read_cbk (call_frame_t *rw_frame, void *cookie,
                   xlator_t *this, int32_t op_ret, int32_t op_errno,
-                  struct iovec *vector, int32_t count, struct stat *buf,
+                  struct iovec *vector, int32_t count, struct iatt *buf,
                   struct iobref *iobref)
 {
 	afr_private_t *   priv     = NULL;
diff --git a/xlators/cluster/afr/src/afr-self-heal-common.c b/xlators/cluster/afr/src/afr-self-heal-common.c
index fbd13e47a..dead7a323 100644
--- a/xlators/cluster/afr/src/afr-self-heal-common.c
+++ b/xlators/cluster/afr/src/afr-self-heal-common.c
@@ -441,7 +441,7 @@ afr_sh_mark_biggest_as_source (afr_self_heal_t *sh, int child_count)
 
 
 static int
-afr_sh_mark_lowest_uid_as_source (afr_self_heal_t *sh, int child_count)
+afr_sh_mark_loweia_uid_as_source (afr_self_heal_t *sh, int child_count)
 {
         uid_t smallest = 0;
         int i;
@@ -450,7 +450,7 @@ afr_sh_mark_lowest_uid_as_source (afr_self_heal_t *sh, int child_count)
                 if (!sh->buf)
                         break;
 
-                if (sh->buf[i].st_uid < sh->buf[smallest].st_uid) {
+                if (sh->buf[i].ia_uid < sh->buf[smallest].ia_uid) {
                         smallest = i;
                 }
         }
@@ -513,7 +513,7 @@ afr_sh_mark_sources (afr_self_heal_t *sh, int child_count,
         if ((type == AFR_SELF_HEAL_METADATA)
             && afr_sh_all_nodes_innocent (characters, child_count)) {
 
-                nsources = afr_sh_mark_lowest_uid_as_source (sh, child_count);
+                nsources = afr_sh_mark_loweia_uid_as_source (sh, child_count);
                 goto out;
         }
 
@@ -864,7 +864,7 @@ sh_missing_entries_finish (call_frame_t *frame, xlator_t *this)
 static int
 sh_destroy_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
 		int32_t op_ret, int op_errno,
-                struct stat *preop, struct stat *postop)
+                struct iatt *preop, struct iatt *postop)
 {
         afr_local_t *local = NULL;
 
@@ -899,9 +899,9 @@ static int
 sh_missing_entries_newentry_cbk (call_frame_t *frame, void *cookie,
 				 xlator_t *this,
 				 int32_t op_ret, int32_t op_errno,
-				 inode_t *inode, struct stat *buf,
-                                 struct stat *preparent,
-                                 struct stat *postparent)
+				 inode_t *inode, struct iatt *buf,
+                                 struct iatt *preparent,
+                                 struct iatt *postparent)
 {
 	afr_local_t     *local = NULL;
 	afr_self_heal_t *sh = NULL;
@@ -912,7 +912,7 @@ sh_missing_entries_newentry_cbk (call_frame_t *frame, void *cookie,
 
         loc_t *parent_loc = NULL;
 
-	struct stat     stbuf;
+	struct iatt     stbuf;
         int32_t valid;
 
 	local = frame->local;
@@ -921,20 +921,13 @@ sh_missing_entries_newentry_cbk (call_frame_t *frame, void *cookie,
 
 	child_index = (long) cookie;
 
-#ifdef HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC
-	stbuf.st_atim = sh->buf[sh->source].st_atim;
-	stbuf.st_mtim = sh->buf[sh->source].st_mtim;
-        
-#elif HAVE_STRUCT_STAT_ST_ATIMESPEC_TV_NSEC
-	stbuf.st_atimespec = sh->buf[sh->source].st_atimespec;
-	stbuf.st_mtimespec = sh->buf[sh->source].st_mtimespec;
-#else
-	stbuf.st_atime = sh->buf[sh->source].st_atime;
-	stbuf.st_mtime = sh->buf[sh->source].st_mtime;
-#endif
-
-        stbuf.st_uid = sh->buf[sh->source].st_uid;
-        stbuf.st_gid = sh->buf[sh->source].st_gid;
+	stbuf.ia_atime = sh->buf[sh->source].ia_atime;
+	stbuf.ia_atime_nsec = sh->buf[sh->source].ia_atime_nsec;
+	stbuf.ia_mtime = sh->buf[sh->source].ia_mtime;
+	stbuf.ia_mtime_nsec = sh->buf[sh->source].ia_mtime_nsec;
+
+        stbuf.ia_uid = sh->buf[sh->source].ia_uid;
+        stbuf.ia_gid = sh->buf[sh->source].ia_gid;
         
         valid = GF_SET_ATTR_UID   | GF_SET_ATTR_GID |
                 GF_SET_ATTR_ATIME | GF_SET_ATTR_MTIME;
@@ -987,7 +980,7 @@ sh_missing_entries_mknod (call_frame_t *frame, xlator_t *this)
 	int              enoent_count = 0;
 	int              call_count = 0;
 	mode_t           st_mode = 0;
-	dev_t            st_dev = 0;
+	dev_t            ia_gen = 0;
 
 
 	local = frame->local;
@@ -1001,8 +994,9 @@ sh_missing_entries_mknod (call_frame_t *frame, xlator_t *this)
 	call_count = enoent_count;
 	local->call_count = call_count;
 
-	st_mode = sh->buf[sh->source].st_mode;
-	st_dev  = sh->buf[sh->source].st_dev;
+	st_mode = st_mode_from_ia (sh->buf[sh->source].ia_prot,
+                                   sh->buf[sh->source].ia_type);
+	ia_gen  = sh->buf[sh->source].ia_gen;
 
 	gf_log (this->name, GF_LOG_TRACE,
 		"mknod %s mode 0%o on %d subvolumes",
@@ -1015,7 +1009,7 @@ sh_missing_entries_mknod (call_frame_t *frame, xlator_t *this)
 					   (void *) (long) i,
 					   priv->children[i],
 					   priv->children[i]->fops->mknod,
-					   &local->loc, st_mode, st_dev);
+					   &local->loc, st_mode, ia_gen);
 			if (!--call_count)
 				break;
 		}
@@ -1048,7 +1042,8 @@ sh_missing_entries_mkdir (call_frame_t *frame, xlator_t *this)
 	call_count = enoent_count;
 	local->call_count = call_count;
 
-	st_mode = sh->buf[sh->source].st_mode;
+	st_mode = st_mode_from_ia (sh->buf[sh->source].ia_prot,
+                                   sh->buf[sh->source].ia_type);
 
 	gf_log (this->name, GF_LOG_TRACE,
 		"mkdir %s mode 0%o on %d subvolumes",
@@ -1127,7 +1122,7 @@ static int
 sh_missing_entries_readlink_cbk (call_frame_t *frame, void *cookie,
 				 xlator_t *this,
 				 int32_t op_ret, int32_t op_errno,
-				 const char *link, struct stat *sbuf)
+				 const char *link, struct iatt *sbuf)
 {
 	if (op_ret > 0)
 		sh_missing_entries_symlink (frame, this, link);
@@ -1181,7 +1176,7 @@ sh_missing_entries_create (call_frame_t *frame, xlator_t *this)
 				enoent_count++;
 		} else {
 			if (type) {
-				if (type != (sh->buf[i].st_mode & S_IFMT)) {
+				if (type != sh->buf[i].ia_type) {
                                         gf_log (this->name, GF_LOG_TRACE,
                                                 "file %s is govinda!",
                                                 local->loc.path);
@@ -1190,7 +1185,7 @@ sh_missing_entries_create (call_frame_t *frame, xlator_t *this)
                                 }
 			} else {
 				sh->source = i;
-				type = sh->buf[i].st_mode & S_IFMT;
+				type = sh->buf[i].ia_type;
 			}
 		}
 	}
@@ -1252,8 +1247,8 @@ static int
 sh_missing_entries_lookup_cbk (call_frame_t *frame, void *cookie,
 			       xlator_t *this,
 			       int32_t op_ret, int32_t op_errno,
-                               inode_t *inode, struct stat *buf, dict_t *xattr,
-                               struct stat *postparent)
+                               inode_t *inode, struct iatt *buf, dict_t *xattr,
+                               struct iatt *postparent)
 {
 	int              child_index = 0;
 	afr_local_t     *local = NULL;
@@ -1275,7 +1270,7 @@ sh_missing_entries_lookup_cbk (call_frame_t *frame, void *cookie,
 				"path %s on subvolume %s is of mode 0%o",
 				local->loc.path,
 				priv->children[child_index]->name,
-				buf->st_mode);
+				buf->ia_type);
 
 			local->self_heal.buf[child_index] = *buf;
                         local->self_heal.parentbuf        = *postparent;
@@ -1472,7 +1467,7 @@ afr_local_t *afr_local_copy (afr_local_t *l, xlator_t *this)
         else
                 shc->healing_fd = sh->healing_fd;
         shc->background = sh->background;
-        shc->mode = sh->mode;
+        shc->type = sh->type;
 
         if (l->loc.path)
                 loc_copy (&lc->loc, &l->loc);
diff --git a/xlators/cluster/afr/src/afr-self-heal-common.h b/xlators/cluster/afr/src/afr-self-heal-common.h
index be556a3c7..298ac022a 100644
--- a/xlators/cluster/afr/src/afr-self-heal-common.h
+++ b/xlators/cluster/afr/src/afr-self-heal-common.h
@@ -20,7 +20,7 @@
 #ifndef __AFR_SELF_HEAL_COMMON_H__
 #define __AFR_SELF_HEAL_COMMON_H__
 
-#define FILE_HAS_HOLES(buf) (((buf)->st_size) > ((buf)->st_blocks * 512))
+#define FILE_HAS_HOLES(buf) (((buf)->ia_size) > ((buf)->ia_blocks * 512))
 
 typedef enum {
         AFR_SELF_HEAL_ENTRY,
diff --git a/xlators/cluster/afr/src/afr-self-heal-data.c b/xlators/cluster/afr/src/afr-self-heal-data.c
index 75090ad79..5711c89cf 100644
--- a/xlators/cluster/afr/src/afr-self-heal-data.c
+++ b/xlators/cluster/afr/src/afr-self-heal-data.c
@@ -124,7 +124,7 @@ afr_sh_data_flush_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
 
 int
 afr_sh_data_setattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
-                        int32_t op_ret, int32_t op_errno, struct stat *statpre, struct stat *statpost)
+                        int32_t op_ret, int32_t op_errno, struct iatt *statpre, struct iatt *statpost)
 {
         afr_sh_data_flush_cbk (frame, cookie, this, op_ret, op_errno);
 
@@ -145,7 +145,7 @@ afr_sh_data_close (call_frame_t *frame, xlator_t *this)
         int  active_sinks = 0;
         int32_t valid     = 0;
 
-        struct stat stbuf = {0,};
+        struct iatt stbuf = {0,};
         
         local = frame->local;
         sh    = &local->self_heal;
@@ -156,17 +156,10 @@ afr_sh_data_close (call_frame_t *frame, xlator_t *this)
 
         valid |= (GF_SET_ATTR_ATIME | GF_SET_ATTR_MTIME);
 
-#ifdef HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC
-	stbuf.st_atim = sh->buf[source].st_atim;
-	stbuf.st_mtim = sh->buf[source].st_mtim;
-        
-#elif HAVE_STRUCT_STAT_ST_ATIMESPEC_TV_NSEC
-	stbuf.st_atimespec = sh->buf[source].st_atimespec;
-	stbuf.st_mtimespec = sh->buf[source].st_mtimespec;
-#else
-	stbuf.st_atime = sh->buf[source].st_atime;
-	stbuf.st_mtime = sh->buf[source].st_mtime;
-#endif
+	stbuf.ia_atime = sh->buf[source].ia_atime;
+	stbuf.ia_atime_nsec = sh->buf[source].ia_atime_nsec;
+	stbuf.ia_mtime = sh->buf[source].ia_mtime;
+	stbuf.ia_mtime_nsec = sh->buf[source].ia_mtime_nsec;
 
         if (sh->healing_fd_opened) {
                 /* not our job to close the fd */
@@ -440,8 +433,8 @@ afr_sh_data_erase_pending (call_frame_t *frame, xlator_t *this)
 
 int
 afr_sh_data_trim_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
-		      int32_t op_ret, int32_t op_errno, struct stat *prebuf,
-                      struct stat *postbuf)
+		      int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
+                      struct iatt *postbuf)
 {
 	afr_private_t * priv = NULL;
 	afr_local_t * local  = NULL;
@@ -543,7 +536,7 @@ sh_zero_byte_files_exist (afr_self_heal_t *sh, int child_count)
         int ret = 0;
 
         for (i = 0; i < child_count; i++) {
-                if (sh->buf[i].st_size == 0) {
+                if (sh->buf[i].ia_size == 0) {
                         ret = 1;
                         break;
                 }
@@ -722,13 +715,13 @@ afr_sh_data_fix (call_frame_t *frame, xlator_t *this)
 
 	sh->source     = source;
 	sh->block_size = 65536;
-	sh->file_size  = sh->buf[source].st_size;
+	sh->file_size  = sh->buf[source].ia_size;
 
 	if (FILE_HAS_HOLES (&sh->buf[source]))
 		sh->file_has_holes = 1;
 
         orig_local = sh->orig_frame->local;
-        orig_local->cont.lookup.buf.st_size = sh->buf[source].st_size;
+        orig_local->cont.lookup.buf.ia_size = sh->buf[source].ia_size;
 
 	/* detect changes not visible through pending flags -- JIC */
 	for (i = 0; i < priv->child_count; i++) {
@@ -788,7 +781,7 @@ afr_self_heal_get_source (xlator_t *this, afr_local_t *local, dict_t **xattr)
 int
 afr_sh_data_fstat_cbk (call_frame_t *frame, void *cookie,
                        xlator_t *this, int32_t op_ret, int32_t op_errno,
-                       struct stat *buf)
+                       struct iatt *buf)
 {
 	afr_private_t   *priv  = NULL;
 	afr_local_t     *local = NULL;
diff --git a/xlators/cluster/afr/src/afr-self-heal-entry.c b/xlators/cluster/afr/src/afr-self-heal-entry.c
index 17c82d565..ef8de1987 100644
--- a/xlators/cluster/afr/src/afr-self-heal-entry.c
+++ b/xlators/cluster/afr/src/afr-self-heal-entry.c
@@ -448,7 +448,7 @@ int
 afr_sh_entry_expunge_parent_setattr_cbk (call_frame_t *expunge_frame,
                                          void *cookie, xlator_t *this,
                                          int32_t op_ret, int32_t op_errno,
-                                         struct stat *preop, struct stat *postop)
+                                         struct iatt *preop, struct iatt *postop)
 {
 	afr_private_t   *priv          = NULL;
 	afr_local_t     *expunge_local = NULL;
@@ -480,11 +480,11 @@ int
 afr_sh_entry_expunge_rename_cbk (call_frame_t *expunge_frame, void *cookie,
 				 xlator_t *this,
 				 int32_t op_ret, int32_t op_errno,
-                                 struct stat *buf,
-                                 struct stat *preoldparent,
-                                 struct stat *postoldparent,
-                                 struct stat *prenewparent,
-                                 struct stat *postnewparent)
+                                 struct iatt *buf,
+                                 struct iatt *preoldparent,
+                                 struct iatt *postoldparent,
+                                 struct iatt *prenewparent,
+                                 struct iatt *postnewparent)
 {
 	afr_private_t   *priv = NULL;
 	afr_local_t     *expunge_local = NULL;
@@ -596,8 +596,8 @@ afr_sh_entry_expunge_rename (call_frame_t *expunge_frame, xlator_t *this,
 int
 afr_sh_entry_expunge_mkdir_cbk (call_frame_t *expunge_frame, void *cookie, xlator_t *this,
                                 int32_t op_ret, int32_t op_errno, inode_t *inode,
-                                struct stat *buf, struct stat *preparent,
-                                struct stat *postparent)
+                                struct iatt *buf, struct iatt *preparent,
+                                struct iatt *postparent)
 {
         afr_private_t *priv            = NULL;
         afr_local_t     *expunge_local = NULL;
@@ -640,8 +640,8 @@ int
 afr_sh_entry_expunge_lookup_trash_cbk (call_frame_t *expunge_frame, void *cookie,
                                        xlator_t *this,
                                        int32_t op_ret, int32_t op_errno,
-                                       inode_t *inode, struct stat *buf,
-                                       dict_t *xattr, struct stat *postparent)
+                                       inode_t *inode, struct iatt *buf,
+                                       dict_t *xattr, struct iatt *postparent)
 {
         afr_private_t *priv            = NULL;
         afr_local_t     *expunge_local = NULL;
@@ -745,7 +745,7 @@ afr_sh_entry_expunge_lookup_trash (call_frame_t *expunge_frame, xlator_t *this,
 
 int
 afr_sh_entry_expunge_remove (call_frame_t *expunge_frame, xlator_t *this,
-			     int active_src, struct stat *buf)
+			     int active_src, struct iatt *buf)
 {
 	afr_private_t   *priv = NULL;
 	afr_local_t     *expunge_local = NULL;
@@ -760,7 +760,7 @@ afr_sh_entry_expunge_remove (call_frame_t *expunge_frame, xlator_t *this,
 	frame = expunge_sh->sh_frame;
 	source = expunge_sh->source;
 
-	type = (buf->st_mode & S_IFMT);
+	type = buf->ia_type;
 
 	switch (type) {
 	case S_IFSOCK:
@@ -794,8 +794,8 @@ int
 afr_sh_entry_expunge_lookup_cbk (call_frame_t *expunge_frame, void *cookie,
 				xlator_t *this,
 				int32_t op_ret,	int32_t op_errno,
-                                inode_t *inode, struct stat *buf, dict_t *x,
-                                struct stat *postparent)
+                                inode_t *inode, struct iatt *buf, dict_t *x,
+                                struct iatt *postparent)
 {
 	afr_private_t   *priv = NULL;
 	afr_local_t     *expunge_local = NULL;
@@ -857,8 +857,8 @@ int
 afr_sh_entry_expunge_entry_cbk (call_frame_t *expunge_frame, void *cookie,
 				xlator_t *this,
 				int32_t op_ret,	int32_t op_errno,
-                                inode_t *inode, struct stat *buf, dict_t *x,
-                                struct stat *postparent)
+                                inode_t *inode, struct iatt *buf, dict_t *x,
+                                struct iatt *postparent)
 {
 	afr_private_t   *priv = NULL;
 	afr_local_t     *expunge_local = NULL;
@@ -1148,7 +1148,7 @@ int
 afr_sh_entry_impunge_setattr_cbk (call_frame_t *impunge_frame, void *cookie,
 				  xlator_t *this,
                                   int32_t op_ret, int32_t op_errno,
-                                  struct stat *preop, struct stat *postop)
+                                  struct iatt *preop, struct iatt *postop)
 {
 	int              call_count = 0;
 	afr_private_t   *priv = NULL;
@@ -1209,7 +1209,7 @@ afr_sh_entry_impunge_xattrop_cbk (call_frame_t *impunge_frame, void *cookie,
 	call_frame_t    *frame = NULL;
 	int              child_index = 0;
 
-        struct stat stbuf;
+        struct iatt stbuf;
         int32_t     valid = 0;
 
 	priv          = this->private;
@@ -1223,23 +1223,16 @@ afr_sh_entry_impunge_xattrop_cbk (call_frame_t *impunge_frame, void *cookie,
 		"setting ownership of %s on %s to %d/%d",
 		impunge_local->loc.path,
 		priv->children[child_index]->name,
-		impunge_local->cont.lookup.buf.st_uid,
-		impunge_local->cont.lookup.buf.st_gid);
-
-#ifdef HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC
-	stbuf.st_atim = impunge_local->cont.lookup.buf.st_atim;
-	stbuf.st_mtim = impunge_local->cont.lookup.buf.st_mtim;
-
-#elif HAVE_STRUCT_STAT_ST_ATIMESPEC_TV_NSEC
-	stbuf.st_atimespec = impunge_local->cont.lookup.buf.st_atimespec;
-	stbuf.st_mtimespec = impunge_local->cont.lookup.buf.st_mtimespec;
-#else
-	stbuf.st_atime = impunge_local->cont.lookup.buf.st_atime;
-	stbuf.st_mtime = impunge_local->cont.lookup.buf.st_mtime;
-#endif
+		impunge_local->cont.lookup.buf.ia_uid,
+		impunge_local->cont.lookup.buf.ia_gid);
+
+	stbuf.ia_atime = impunge_local->cont.lookup.buf.ia_atime;
+	stbuf.ia_atime_nsec = impunge_local->cont.lookup.buf.ia_atime_nsec;
+	stbuf.ia_mtime = impunge_local->cont.lookup.buf.ia_mtime;
+	stbuf.ia_mtime_nsec = impunge_local->cont.lookup.buf.ia_mtime_nsec;
 
-        stbuf.st_uid = impunge_local->cont.lookup.buf.st_uid;
-        stbuf.st_gid = impunge_local->cont.lookup.buf.st_gid;
+        stbuf.ia_uid = impunge_local->cont.lookup.buf.ia_uid;
+        stbuf.ia_gid = impunge_local->cont.lookup.buf.ia_gid;
 
         valid = GF_SET_ATTR_UID   | GF_SET_ATTR_GID |
                 GF_SET_ATTR_ATIME | GF_SET_ATTR_MTIME;
@@ -1258,7 +1251,7 @@ int
 afr_sh_entry_impunge_parent_setattr_cbk (call_frame_t *setattr_frame,
                                          void *cookie, xlator_t *this,
                                          int32_t op_ret, int32_t op_errno,
-                                         struct stat *preop, struct stat *postop)
+                                         struct iatt *preop, struct iatt *postop)
 {
         loc_t *parent_loc = cookie;
 
@@ -1281,9 +1274,9 @@ int
 afr_sh_entry_impunge_newfile_cbk (call_frame_t *impunge_frame, void *cookie,
 				  xlator_t *this,
 				  int32_t op_ret, int32_t op_errno,
-                                  inode_t *inode, struct stat *stbuf,
-                                  struct stat *preparent,
-                                  struct stat *postparent)
+                                  inode_t *inode, struct iatt *stbuf,
+                                  struct iatt *preparent,
+                                  struct iatt *postparent)
 {
 	int              call_count = 0;
 	afr_private_t   *priv = NULL;
@@ -1302,7 +1295,7 @@ afr_sh_entry_impunge_newfile_cbk (call_frame_t *impunge_frame, void *cookie,
         call_frame_t *setattr_frame = NULL;
         int32_t valid = 0;
         loc_t *parent_loc = NULL;
-        struct stat parentbuf;
+        struct iatt parentbuf;
 
 	priv = this->private;
 	impunge_local = impunge_frame->local;
@@ -1323,14 +1316,14 @@ afr_sh_entry_impunge_newfile_cbk (call_frame_t *impunge_frame, void *cookie,
 		goto out;
 	}
 
-	inode->st_mode = stbuf->st_mode;
+	inode->ia_type = stbuf->ia_type;
 
         xattr = get_new_dict ();
         dict_ref (xattr);
 
         idx = afr_index_for_transaction_type (AFR_METADATA_TRANSACTION);
         pending_array[idx] = hton32 (1);
-        if (S_ISDIR (stbuf->st_mode))
+        if (IA_ISDIR (stbuf->ia_type))
                 idx = afr_index_for_transaction_type (AFR_ENTRY_TRANSACTION);
         else
                 idx = afr_index_for_transaction_type (AFR_DATA_TRANSACTION);
@@ -1380,7 +1373,7 @@ out:
 
 int
 afr_sh_entry_impunge_mknod (call_frame_t *impunge_frame, xlator_t *this,
-			    int child_index, struct stat *stbuf)
+			    int child_index, struct iatt *stbuf)
 {
 	afr_private_t   *priv = NULL;
 	afr_local_t     *impunge_local = NULL;
@@ -1401,7 +1394,8 @@ afr_sh_entry_impunge_mknod (call_frame_t *impunge_frame, xlator_t *this,
 			   priv->children[child_index],
 			   priv->children[child_index]->fops->mknod,
 			   &impunge_local->loc,
-			   stbuf->st_mode, stbuf->st_rdev);
+			   st_mode_from_ia (stbuf->ia_prot, stbuf->ia_type),
+                           stbuf->ia_rdev);
 
 	return 0;
 }
@@ -1410,7 +1404,7 @@ afr_sh_entry_impunge_mknod (call_frame_t *impunge_frame, xlator_t *this,
 
 int
 afr_sh_entry_impunge_mkdir (call_frame_t *impunge_frame, xlator_t *this,
-			    int child_index, struct stat *stbuf)
+			    int child_index, struct iatt *stbuf)
 {
 	afr_private_t   *priv = NULL;
 	afr_local_t     *impunge_local = NULL;
@@ -1430,7 +1424,8 @@ afr_sh_entry_impunge_mkdir (call_frame_t *impunge_frame, xlator_t *this,
 			   (void *) (long) child_index,
 			   priv->children[child_index],
 			   priv->children[child_index]->fops->mkdir,
-			   &impunge_local->loc, stbuf->st_mode);
+			   &impunge_local->loc,
+                           st_mode_from_ia (stbuf->ia_prot, stbuf->ia_type));
 
 	return 0;
 }
@@ -1468,8 +1463,8 @@ int
 afr_sh_entry_impunge_symlink_unlink_cbk (call_frame_t *impunge_frame,
                                          void *cookie, xlator_t *this,
                                          int32_t op_ret, int32_t op_errno,
-                                         struct stat *preparent,
-                                         struct stat *postparent)
+                                         struct iatt *preparent,
+                                         struct iatt *postparent)
 {
         afr_private_t   *priv = NULL;
 	afr_local_t     *impunge_local = NULL;
@@ -1547,7 +1542,7 @@ int
 afr_sh_entry_impunge_readlink_sink_cbk (call_frame_t *impunge_frame, void *cookie,
                                         xlator_t *this,
                                         int32_t op_ret, int32_t op_errno,
-                                        const char *linkname, struct stat *sbuf)
+                                        const char *linkname, struct iatt *sbuf)
 {
         afr_private_t   *priv = NULL;
 	afr_local_t     *impunge_local = NULL;
@@ -1646,7 +1641,7 @@ int
 afr_sh_entry_impunge_readlink_cbk (call_frame_t *impunge_frame, void *cookie,
 				   xlator_t *this,
 				   int32_t op_ret, int32_t op_errno,
-				   const char *linkname, struct stat *sbuf)
+				   const char *linkname, struct iatt *sbuf)
 {
 	afr_private_t   *priv = NULL;
 	afr_local_t     *impunge_local = NULL;
@@ -1697,7 +1692,7 @@ out:
 
 int
 afr_sh_entry_impunge_readlink (call_frame_t *impunge_frame, xlator_t *this,
-			       int child_index, struct stat *stbuf)
+			       int child_index, struct iatt *stbuf)
 {
 	afr_private_t   *priv = NULL;
 	afr_local_t     *impunge_local = NULL;
@@ -1723,8 +1718,8 @@ int
 afr_sh_entry_impunge_recreate_lookup_cbk (call_frame_t *impunge_frame,
 					  void *cookie, xlator_t *this,
 					  int32_t op_ret, int32_t op_errno,
-					  inode_t *inode, struct stat *buf,
-					  dict_t *xattr,struct stat *postparent)
+					  inode_t *inode, struct iatt *buf,
+					  dict_t *xattr,struct iatt *postparent)
 {
 	afr_private_t   *priv = NULL;
 	afr_local_t     *impunge_local = NULL;
@@ -1757,7 +1752,7 @@ afr_sh_entry_impunge_recreate_lookup_cbk (call_frame_t *impunge_frame,
         impunge_sh->parentbuf = *postparent;
 
 	impunge_local->cont.lookup.buf = *buf;
-	type = (buf->st_mode & S_IFMT);
+	type = buf->ia_type;
 
 	switch (type) {
 	case S_IFSOCK:
@@ -1834,8 +1829,8 @@ int
 afr_sh_entry_impunge_entry_cbk (call_frame_t *impunge_frame, void *cookie,
 				xlator_t *this,
 				int32_t op_ret,	int32_t op_errno,
-                                inode_t *inode, struct stat *buf, dict_t *x,
-                                struct stat *postparent)
+                                inode_t *inode, struct iatt *buf, dict_t *x,
+                                struct iatt *postparent)
 {
 	afr_private_t   *priv = NULL;
 	afr_local_t     *impunge_local = NULL;
@@ -1953,7 +1948,8 @@ afr_sh_entry_impunge_entry (call_frame_t *frame, xlator_t *this,
 	impunge_sh->sh_frame = frame;
 	impunge_sh->active_source = active_src;
 
-        impunge_sh->impunging_entry_mode = entry->d_stat.st_mode;
+        impunge_sh->impunging_entry_mode =
+                st_mode_from_ia (entry->d_stat.ia_prot, entry->d_stat.ia_type);
 
 	ret = build_child_loc (this, &impunge_local->loc, &local->loc, entry->d_name);
 	if (ret != 0) {
@@ -2357,8 +2353,8 @@ heal:
 int
 afr_sh_entry_lookup_cbk (call_frame_t *frame, void *cookie,
 			 xlator_t *this, int32_t op_ret, int32_t op_errno,
-                         inode_t *inode, struct stat *buf, dict_t *xattr,
-                         struct stat *postparent)
+                         inode_t *inode, struct iatt *buf, dict_t *xattr,
+                         struct iatt *postparent)
 {
 	afr_private_t   *priv  = NULL;
 	afr_local_t     *local = NULL;
diff --git a/xlators/cluster/afr/src/afr-self-heal-metadata.c b/xlators/cluster/afr/src/afr-self-heal-metadata.c
index bddccf682..57408cfa6 100644
--- a/xlators/cluster/afr/src/afr-self-heal-metadata.c
+++ b/xlators/cluster/afr/src/afr-self-heal-metadata.c
@@ -81,7 +81,7 @@ afr_sh_metadata_done (call_frame_t *frame, xlator_t *this)
 			local->loc.path);
 		sh->completion_cbk (frame, this);
 	} else {
-		if (S_ISREG (sh->mode)) {
+		if (IA_ISREG (sh->type)) {
 			gf_log (this->name, GF_LOG_TRACE,
 				"proceeding to data check on %s",
 				local->loc.path);
@@ -89,7 +89,7 @@ afr_sh_metadata_done (call_frame_t *frame, xlator_t *this)
 			return 0;
 		}
 
-		if (S_ISDIR (sh->mode)) {
+		if (IA_ISDIR (sh->type)) {
 			gf_log (this->name, GF_LOG_TRACE,
 				"proceeding to entry check on %s",
 				local->loc.path);
@@ -321,7 +321,7 @@ afr_sh_metadata_sync_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
 int
 afr_sh_metadata_setattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
                              int32_t op_ret, int32_t op_errno,
-                             struct stat *preop, struct stat *postop)
+                             struct iatt *preop, struct iatt *postop)
 {
 	afr_sh_metadata_sync_cbk (frame, cookie, this, op_ret, op_errno);
 
@@ -350,7 +350,7 @@ afr_sh_metadata_sync (call_frame_t *frame, xlator_t *this, dict_t *xattr)
 	int              call_count = 0;
 	int              i = 0;
 
-        struct stat      stbuf;
+        struct iatt      stbuf;
         int32_t          valid = 0;
 
 	local = frame->local;
@@ -370,22 +370,16 @@ afr_sh_metadata_sync (call_frame_t *frame, xlator_t *this, dict_t *xattr)
 
 	local->call_count = call_count;
 
-#ifdef HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC
-	stbuf.st_atim = sh->buf[source].st_atim;
-	stbuf.st_mtim = sh->buf[source].st_mtim;
-        
-#elif HAVE_STRUCT_STAT_ST_ATIMESPEC_TV_NSEC
-	stbuf.st_atimespec = sh->buf[source].st_atimespec;
-	stbuf.st_mtimespec = sh->buf[source].st_mtimespec;
-#else
-	stbuf.st_atime = sh->buf[source].st_atime;
-	stbuf.st_mtime = sh->buf[source].st_mtime;
-#endif
+	stbuf.ia_atime = sh->buf[source].ia_atime;
+	stbuf.ia_atime_nsec = sh->buf[source].ia_atime_nsec;
+	stbuf.ia_mtime = sh->buf[source].ia_mtime;
+	stbuf.ia_mtime_nsec = sh->buf[source].ia_mtime_nsec;
 
-        stbuf.st_uid = sh->buf[source].st_uid;
-        stbuf.st_gid = sh->buf[source].st_gid;
+        stbuf.ia_uid = sh->buf[source].ia_uid;
+        stbuf.ia_gid = sh->buf[source].ia_gid;
 
-        stbuf.st_mode = sh->buf[source].st_mode;
+        stbuf.ia_type = sh->buf[source].ia_type;
+        stbuf.ia_prot = sh->buf[source].ia_prot;
         
         valid = GF_SET_ATTR_MODE  | 
                 GF_SET_ATTR_UID   | GF_SET_ATTR_GID |
@@ -604,8 +598,8 @@ afr_sh_metadata_fix (call_frame_t *frame, xlator_t *this)
 int
 afr_sh_metadata_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
 			    int32_t op_ret, int32_t op_errno,
-                            inode_t *inode, struct stat *buf, dict_t *xattr,
-                            struct stat *postparent)
+                            inode_t *inode, struct iatt *buf, dict_t *xattr,
+                            struct iatt *postparent)
 {
 	afr_local_t     *local = NULL;
 	afr_self_heal_t *sh = NULL;
@@ -627,7 +621,7 @@ afr_sh_metadata_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
 				"path %s on subvolume %s is of mode 0%o",
 				local->loc.path,
 				priv->children[child_index]->name,
-				buf->st_mode);
+				buf->ia_type);
 
 			sh->buf[child_index] = *buf;
 			if (xattr)
diff --git a/xlators/cluster/afr/src/afr-self-heal.h b/xlators/cluster/afr/src/afr-self-heal.h
index 1c2743a48..c43473a43 100644
--- a/xlators/cluster/afr/src/afr-self-heal.h
+++ b/xlators/cluster/afr/src/afr-self-heal.h
@@ -22,12 +22,12 @@
 
 #include <sys/stat.h>
 
-#define FILETYPE_DIFFERS(buf1,buf2) ((S_IFMT & ((struct stat *)buf1)->st_mode) != (S_IFMT & ((struct stat *)buf2)->st_mode))
-#define PERMISSION_DIFFERS(buf1,buf2) ((((struct stat *)buf1)->st_mode) != (((struct stat *)buf2)->st_mode))
-#define OWNERSHIP_DIFFERS(buf1,buf2) ((((struct stat *)buf1)->st_uid) != (((struct stat *)buf2)->st_uid) || (((struct stat *)buf1)->st_gid != (((struct stat *)buf2)->st_gid)))
-#define SIZE_DIFFERS(buf1,buf2) ((((struct stat *)buf1)->st_size) != (((struct stat *)buf2)->st_size))
+#define FILETYPE_DIFFERS(buf1,buf2) ((buf1)->ia_type != (buf2)->ia_type)
+#define PERMISSION_DIFFERS(buf1,buf2) (st_mode_from_ia ((buf1)->ia_prot, (buf1)->ia_type) != st_mode_from_ia ((buf2)->ia_prot, (buf2)->ia_type))
+#define OWNERSHIP_DIFFERS(buf1,buf2) (((buf1)->ia_uid != (buf2)->ia_uid) || ((buf1)->ia_gid != (buf2)->ia_gid))
+#define SIZE_DIFFERS(buf1,buf2) ((buf1)->ia_size != (buf2)->ia_size)
 
-#define SIZE_GREATER(buf1,buf2) ((((struct stat *)buf1)->st_size > (((struct stat *)buf2)->st_size)))
+#define SIZE_GREATER(buf1,buf2) ((buf1)->ia_size > (buf2)->ia_size)
 
 int
 afr_sh_has_metadata_pending (dict_t *xattr, int child_count, xlator_t *this);
diff --git a/xlators/cluster/afr/src/afr.c b/xlators/cluster/afr/src/afr.c
index f4917929c..b7fbbd09c 100644
--- a/xlators/cluster/afr/src/afr.c
+++ b/xlators/cluster/afr/src/afr.c
@@ -551,8 +551,8 @@ afr_lookup_collect_xattr (afr_local_t *local, xlator_t *this,
 
 
 static void
-afr_lookup_self_heal_check (afr_local_t *local, struct stat *buf,
-                            struct stat *lookup_buf)
+afr_lookup_self_heal_check (afr_local_t *local, struct iatt *buf,
+                            struct iatt *lookup_buf)
 {
         if (FILETYPE_DIFFERS (buf, lookup_buf)) {
                 /* mismatching filetypes with same name
@@ -576,7 +576,7 @@ afr_lookup_self_heal_check (afr_local_t *local, struct stat *buf,
         }
 
         if (SIZE_DIFFERS (buf, lookup_buf)
-            && S_ISREG (buf->st_mode)) {
+            && IA_ISREG (buf->ia_type)) {
                 local->self_heal.need_data_self_heal = _gf_true;
         }
 
@@ -584,7 +584,7 @@ afr_lookup_self_heal_check (afr_local_t *local, struct stat *buf,
 
 
 static void
-afr_lookup_done (call_frame_t *frame, xlator_t *this, struct stat *lookup_buf)
+afr_lookup_done (call_frame_t *frame, xlator_t *this, struct iatt *lookup_buf)
 {
         int unwind = 1;
         int source = -1;
@@ -593,20 +593,20 @@ afr_lookup_done (call_frame_t *frame, xlator_t *this, struct stat *lookup_buf)
 
         local = frame->local;
 
-        local->cont.lookup.postparent.st_ino  = local->cont.lookup.parent_ino;
+        local->cont.lookup.postparent.ia_ino  = local->cont.lookup.parent_ino;
 
         if (local->cont.lookup.ino) {
-                local->cont.lookup.buf.st_ino = local->cont.lookup.ino;
-                local->cont.lookup.buf.st_dev = local->cont.lookup.gen;
+                local->cont.lookup.buf.ia_ino = local->cont.lookup.ino;
+                local->cont.lookup.buf.ia_gen = local->cont.lookup.gen;
         }
 
         if (local->op_ret == 0) {
                 /* KLUDGE: assuming DHT will not itransform in 
                    revalidate */
                 if (local->cont.lookup.inode->ino) {
-                        local->cont.lookup.buf.st_ino = 
+                        local->cont.lookup.buf.ia_ino = 
                                 local->cont.lookup.inode->ino;
-                        local->cont.lookup.buf.st_dev =
+                        local->cont.lookup.buf.ia_gen =
                                 local->cont.lookup.inode->generation;
                 }
         }
@@ -638,7 +638,7 @@ afr_lookup_done (call_frame_t *frame, xlator_t *this, struct stat *lookup_buf)
                            So just make a best effort to set the read-subvolume
                            and return */
 
-                        if (S_ISREG (local->cont.lookup.inode->st_mode)) {
+                        if (IA_ISREG (local->cont.lookup.inode->ia_type)) {
                                 source = afr_self_heal_get_source (this, local, local->cont.lookup.xattrs);
 
                                 if (source >= 0) {
@@ -648,14 +648,14 @@ afr_lookup_done (call_frame_t *frame, xlator_t *this, struct stat *lookup_buf)
                                 }
                         }
                 } else {
-                        if (!local->cont.lookup.inode->st_mode) {
+                        if (!local->cont.lookup.inode->ia_type) {
                                 /* fix for RT #602 */
-                                local->cont.lookup.inode->st_mode =
-                                        lookup_buf->st_mode;
+                                local->cont.lookup.inode->ia_type =
+                                        lookup_buf->ia_type;
                         }
 
                         local->self_heal.background = _gf_true;
-                        local->self_heal.mode       = local->cont.lookup.buf.st_mode;
+                        local->self_heal.type       = local->cont.lookup.buf.ia_type;
                         local->self_heal.unwind     = afr_self_heal_lookup_unwind;
 
                         unwind = 0;
@@ -704,12 +704,12 @@ __error_more_important (int32_t old_errno, int32_t new_errno)
 int
 afr_fresh_lookup_cbk (call_frame_t *frame, void *cookie,
                       xlator_t *this,  int32_t op_ret,	int32_t op_errno,
-                      inode_t *inode,	struct stat *buf, dict_t *xattr,
-                      struct stat *postparent)
+                      inode_t *inode,	struct iatt *buf, dict_t *xattr,
+                      struct iatt *postparent)
 {
 	afr_local_t *   local = NULL;
 	afr_private_t * priv  = NULL;
-	struct stat *   lookup_buf = NULL;
+	struct iatt *   lookup_buf = NULL;
 
 	int             call_count      = -1;
 	int             child_index     = -1;
@@ -744,10 +744,10 @@ afr_fresh_lookup_cbk (call_frame_t *frame, void *cookie,
 
                 if (child_index == first_up_child) {
                         local->cont.lookup.ino = 
-                                afr_itransform (buf->st_ino,
+                                afr_itransform (buf->ia_ino,
                                                 priv->child_count,
                                                 first_up_child);
-                        local->cont.lookup.gen = buf->st_dev;
+                        local->cont.lookup.gen = buf->ia_gen;
                 }
 
 		if (local->success_count == 0) {
@@ -761,7 +761,7 @@ afr_fresh_lookup_cbk (call_frame_t *frame, void *cookie,
 
                         *lookup_buf = *buf;
 
-                        lookup_buf->st_ino = afr_itransform (buf->st_ino,
+                        lookup_buf->ia_ino = afr_itransform (buf->ia_ino,
                                                              priv->child_count,
                                                              child_index);
                         if (priv->read_child >= 0) {
@@ -824,12 +824,12 @@ unlock:
 int
 afr_revalidate_lookup_cbk (call_frame_t *frame, void *cookie,
                            xlator_t *this, int32_t op_ret, int32_t op_errno,
-                           inode_t *inode, struct stat *buf, dict_t *xattr,
-                           struct stat *postparent)
+                           inode_t *inode, struct iatt *buf, dict_t *xattr,
+                           struct iatt *postparent)
 {
 	afr_local_t *   local = NULL;
 	afr_private_t * priv  = NULL;
-	struct stat *   lookup_buf = NULL;
+	struct iatt *   lookup_buf = NULL;
         
 	int             call_count      = -1;
 	int             child_index     = -1;
@@ -864,10 +864,10 @@ afr_revalidate_lookup_cbk (call_frame_t *frame, void *cookie,
 
                 if (child_index == first_up_child) {
                         local->cont.lookup.ino = 
-                                afr_itransform (buf->st_ino,
+                                afr_itransform (buf->ia_ino,
                                                 priv->child_count,
                                                 first_up_child);
-                        local->cont.lookup.gen = buf->st_dev;
+                        local->cont.lookup.gen = buf->ia_gen;
                 }
 
 		/* in case of revalidate, we need to send stat of the
@@ -889,7 +889,7 @@ afr_revalidate_lookup_cbk (call_frame_t *frame, void *cookie,
 
 			*lookup_buf = *buf;
 
-                        lookup_buf->st_ino = afr_itransform (buf->st_ino,
+                        lookup_buf->ia_ino = afr_itransform (buf->ia_ino,
                                                              priv->child_count,
                                                              child_index);
 
@@ -1460,8 +1460,8 @@ out:
 
 int
 afr_fsync_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
-               int32_t op_ret, int32_t op_errno, struct stat *prebuf,
-               struct stat *postbuf)
+               int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
+               struct iatt *postbuf)
 {
 	afr_local_t *local = NULL;
 	
@@ -1503,8 +1503,8 @@ afr_fsync_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
 	call_count = afr_frame_return (frame);
 
 	if (call_count == 0) {
-                local->cont.fsync.prebuf.st_ino  = local->cont.fsync.ino;
-                local->cont.fsync.postbuf.st_ino = local->cont.fsync.ino;
+                local->cont.fsync.prebuf.ia_ino  = local->cont.fsync.ino;
+                local->cont.fsync.postbuf.ia_ino = local->cont.fsync.ino;
 
 		AFR_STACK_UNWIND (fsync, frame, local->op_ret, local->op_errno,
                                   &local->cont.fsync.prebuf,
diff --git a/xlators/cluster/afr/src/afr.h b/xlators/cluster/afr/src/afr.h
index a5c75add7..589d5dffc 100644
--- a/xlators/cluster/afr/src/afr.h
+++ b/xlators/cluster/afr/src/afr.h
@@ -97,7 +97,7 @@ typedef struct {
         gf_boolean_t background;          /* do self-heal in background
                                              if possible */
 
-        mode_t mode;                      /* st_mode of the entry we're doing
+        ia_type_t type;                   /* st_mode of the entry we're doing
                                              self-heal on */
 
         /* Function to call to unwind. If self-heal is being done in the
@@ -109,8 +109,8 @@ typedef struct {
 
 
 	/* array of stat's, one for each child */
-	struct stat *buf;
-        struct stat parentbuf;
+	struct iatt *buf;
+        struct iatt parentbuf;
 
 	/* array of xattr's, one for each child */
 	dict_t **xattr;
@@ -251,9 +251,9 @@ typedef struct _afr_local {
 
 		struct {
 			inode_t *inode;
-			struct stat buf;
-                        struct stat read_child_buf;
-                        struct stat postparent;
+			struct iatt buf;
+                        struct iatt read_child_buf;
+                        struct iatt postparent;
                         ino_t ino;
                         uint64_t gen;
                         ino_t parent_ino;
@@ -348,8 +348,8 @@ typedef struct _afr_local {
 
 		struct {
 			ino_t ino;
-			struct stat prebuf;
-			struct stat postbuf;
+			struct iatt prebuf;
+			struct iatt postbuf;
 
 			int32_t op_ret;
 
@@ -361,38 +361,38 @@ typedef struct _afr_local {
 
                 struct {
                         ino_t ino;
-                        struct stat prebuf;
-                        struct stat postbuf;
+                        struct iatt prebuf;
+                        struct iatt postbuf;
                 } fsync;
 
 		struct {
 			ino_t ino;
 			off_t offset;
-			struct stat prebuf;
-                        struct stat postbuf;
+			struct iatt prebuf;
+                        struct iatt postbuf;
 		} truncate;
 
 		struct {
 			ino_t ino;
 			off_t offset;
-			struct stat prebuf;
-                        struct stat postbuf;
+			struct iatt prebuf;
+                        struct iatt postbuf;
 		} ftruncate;
 
 		struct {
 			ino_t ino;
-			struct stat in_buf;
+			struct iatt in_buf;
                         int32_t valid;
-                        struct stat preop_buf;
-                        struct stat postop_buf;
+                        struct iatt preop_buf;
+                        struct iatt postop_buf;
 		} setattr;
 
 		struct {
 			ino_t ino;
-			struct stat in_buf;
+			struct iatt in_buf;
                         int32_t valid;
-                        struct stat preop_buf;
-                        struct stat postop_buf;
+                        struct iatt preop_buf;
+                        struct iatt postop_buf;
 		} fsetattr;
 
 		struct {
@@ -414,10 +414,10 @@ typedef struct _afr_local {
 			int32_t flags;
 			mode_t mode;
 			inode_t *inode;
-			struct stat buf;
-                        struct stat preparent;
-                        struct stat postparent;
-                        struct stat read_child_buf;
+			struct iatt buf;
+                        struct iatt preparent;
+                        struct iatt postparent;
+                        struct iatt read_child_buf;
 		} create;
 
 		struct {
@@ -427,10 +427,10 @@ typedef struct _afr_local {
 			dev_t dev;
 			mode_t mode;
 			inode_t *inode;
-			struct stat buf;
-                        struct stat preparent;
-                        struct stat postparent;
-                        struct stat read_child_buf;
+			struct iatt buf;
+                        struct iatt preparent;
+                        struct iatt postparent;
+                        struct iatt read_child_buf;
 		} mknod;
 
 		struct {
@@ -439,38 +439,38 @@ typedef struct _afr_local {
                         ino_t parent_ino;
 			int32_t mode;
 			inode_t *inode;
-			struct stat buf;
-                        struct stat read_child_buf;
-                        struct stat preparent;
-                        struct stat postparent;
+			struct iatt buf;
+                        struct iatt read_child_buf;
+                        struct iatt preparent;
+                        struct iatt postparent;
 		} mkdir;
 
 		struct {
                         ino_t parent_ino;
 			int32_t op_ret;
 			int32_t op_errno;
-                        struct stat preparent;
-                        struct stat postparent;
+                        struct iatt preparent;
+                        struct iatt postparent;
 		} unlink;
 
 		struct {
                         ino_t parent_ino;
 			int32_t op_ret;
 			int32_t op_errno;
-                        struct stat preparent;
-                        struct stat postparent;
+                        struct iatt preparent;
+                        struct iatt postparent;
 		} rmdir;
 
 		struct {
                         ino_t oldparent_ino;
                         ino_t newparent_ino;
 			ino_t ino;
-			struct stat buf;
-                        struct stat read_child_buf;
-                        struct stat preoldparent;
-                        struct stat prenewparent;
-                        struct stat postoldparent;
-                        struct stat postnewparent;
+			struct iatt buf;
+                        struct iatt read_child_buf;
+                        struct iatt preoldparent;
+                        struct iatt prenewparent;
+                        struct iatt postoldparent;
+                        struct iatt postnewparent;
 		} rename;
 
 		struct {
@@ -478,10 +478,10 @@ typedef struct _afr_local {
                         uint64_t gen;
                         ino_t parent_ino;
 			inode_t *inode;
-			struct stat buf;
-                        struct stat read_child_buf;
-                        struct stat preparent;
-                        struct stat postparent;
+			struct iatt buf;
+                        struct iatt read_child_buf;
+                        struct iatt preparent;
+                        struct iatt postparent;
 		} link;
 
 		struct {
@@ -489,11 +489,11 @@ typedef struct _afr_local {
                         uint64_t gen;
                         ino_t parent_ino;
 			inode_t *inode;
-			struct stat buf;
-                        struct stat read_child_buf;
+			struct iatt buf;
+                        struct iatt read_child_buf;
 			char *linkpath;
-                        struct stat preparent;
-                        struct stat postparent;
+                        struct iatt preparent;
+                        struct iatt postparent;
 		} symlink;
 
 		struct {