Global: NFS-friendly prototype changes

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

BUG: 145 (NFSv3 related additions to 2.1 task list)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=145

7 files changed, 194 insertions, 95 deletions

diff --git a/xlators/performance/io-cache/src/io-cache.c b/xlators/performance/io-cache/src/io-cache.c
index db1e204fd4f..53c7b1f10bd 100644
--- a/xlators/performance/io-cache/src/io-cache.c
+++ b/xlators/performance/io-cache/src/io-cache.c
@@ -163,7 +163,7 @@ ioc_setattr (call_frame_t *frame, xlator_t *this, loc_t *loc,
 int32_t
 ioc_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
 		int32_t op_ret,	int32_t op_errno, inode_t *inode,
-		struct stat *stbuf, dict_t *dict)
+		struct stat *stbuf, dict_t *dict, struct stat *postparent)
 {
 	ioc_inode_t   *ioc_inode = NULL;
 	ioc_local_t   *local = frame->local;
@@ -745,7 +745,8 @@ ioc_open_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret,
 int32_t
 ioc_create_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)
+		inode_t *inode,	struct stat *buf, struct stat *preparent,
+                struct stat *postparent)
 {
 	ioc_local_t *local = NULL;
 	ioc_table_t *table = NULL;
@@ -811,7 +812,7 @@ ioc_create_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
  */
 int32_t
 ioc_open (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
-	  fd_t *fd)
+	  fd_t *fd, int32_t wbflags)
 {
   
 	ioc_local_t *local = NULL;
@@ -830,7 +831,7 @@ ioc_open (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
 	frame->local = local;
         
 	STACK_WIND (frame, ioc_open_cbk, FIRST_CHILD(this),
-                    FIRST_CHILD(this)->fops->open, loc, flags, fd);
+                    FIRST_CHILD(this)->fops->open, loc, flags, fd, wbflags);
 
 	return 0;
 }
@@ -1160,7 +1161,8 @@ ioc_readv (call_frame_t *frame, xlator_t *this, fd_t *fd,
  */
 int32_t
 ioc_writev_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
-		int32_t op_ret,	int32_t op_errno, struct stat *stbuf)
+		int32_t op_ret,	int32_t op_errno, struct stat *prebuf,
+                struct stat *postbuf)
 {
 	ioc_local_t *local     = NULL;
 	uint64_t    ioc_inode = 0;
@@ -1171,7 +1173,7 @@ ioc_writev_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
 	if (ioc_inode)
 		ioc_inode_flush ((ioc_inode_t *)(long)ioc_inode);
 
-	STACK_UNWIND (frame, op_ret, op_errno, stbuf);
+	STACK_UNWIND (frame, op_ret, op_errno, prebuf, postbuf);
 	return 0;
 }
 
@@ -1230,13 +1232,37 @@ ioc_writev (call_frame_t *frame, xlator_t *this, fd_t *fd,
  */
 int32_t 
 ioc_truncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
-                  int32_t op_ret, int32_t op_errno, struct stat *buf)
+                  int32_t op_ret, int32_t op_errno, struct stat *prebuf,
+                  struct stat *postbuf)
 {
 
-	STACK_UNWIND (frame, op_ret, op_errno, buf);
+	STACK_UNWIND (frame, op_ret, op_errno, prebuf, postbuf);
 	return 0;
 }
 
+
+/*
+ * ioc_ftruncate_cbk -
+ *
+ * @frame:
+ * @cookie:
+ * @this:
+ * @op_ret:
+ * @op_errno:
+ * @buf:
+ *
+ */
+int32_t
+ioc_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)
+{
+
+	STACK_UNWIND (frame, op_ret, op_errno, prebuf, postbuf);
+	return 0;
+}
+
+
 /*
  * ioc_truncate -
  * 
@@ -1278,7 +1304,7 @@ ioc_ftruncate (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset)
 	if (ioc_inode)
 		ioc_inode_flush ((ioc_inode_t *)(long)ioc_inode);
 
-	STACK_WIND (frame, ioc_truncate_cbk, FIRST_CHILD(this),
+	STACK_WIND (frame, ioc_ftruncate_cbk, FIRST_CHILD(this),
                     FIRST_CHILD(this)->fops->ftruncate, fd, offset);
 	return 0;
 }
diff --git a/xlators/performance/io-threads/src/io-threads.c b/xlators/performance/io-threads/src/io-threads.c
index dc4b556162c..3a7504f3275 100644
--- a/xlators/performance/io-threads/src/io-threads.c
+++ b/xlators/performance/io-threads/src/io-threads.c
@@ -316,7 +316,8 @@ out:
 int
 iot_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)
+                inode_t *inode, struct stat *buf, dict_t *xattr,
+                struct stat *postparent)
 {
         STACK_UNWIND (frame, op_ret, op_errno, inode, buf, xattr);
         return 0;
@@ -516,7 +517,8 @@ out:
 
 int
 iot_readlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
-                  int32_t op_ret, int32_t op_errno, const char *path)
+                  int32_t op_ret, int32_t op_errno, const char *path,
+                  struct stat *sbuf)
 {
         STACK_UNWIND (frame, op_ret, op_errno, path);
         return 0;
@@ -568,7 +570,8 @@ out:
 int
 iot_mknod_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 *buf, struct stat *preparent,
+               struct stat *postparent)
 {
         STACK_UNWIND (frame, op_ret, op_errno, inode, buf);
         return 0;
@@ -618,7 +621,8 @@ out:
 int
 iot_mkdir_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 *buf, struct stat *preparent,
+               struct stat *postparent)
 {
         STACK_UNWIND (frame, op_ret, op_errno, inode, buf);
         return 0;
@@ -665,7 +669,8 @@ out:
 
 int
 iot_rmdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
-               int32_t op_ret, int32_t op_errno)
+               int32_t op_ret, int32_t op_errno, struct stat *preparent,
+               struct stat *postparent)
 {
         STACK_UNWIND (frame, op_ret, op_errno);
         return 0;
@@ -712,7 +717,8 @@ out:
 int
 iot_symlink_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 *buf, struct stat *preparent,
+                 struct stat *postparent)
 {
         STACK_UNWIND (frame, op_ret, op_errno, inode, buf);
         return 0;
@@ -762,7 +768,9 @@ out:
 
 int
 iot_rename_cbk (call_frame_t *frame, void * cookie, xlator_t *this,
-                int32_t op_ret, int32_t op_errno, struct stat *buf)
+                int32_t op_ret, int32_t op_errno, struct stat *buf,
+                struct stat *preoldparent, struct stat *postoldparent,
+                struct stat *prenewparent, struct stat *postnewparent)
 {
         STACK_UNWIND (frame, op_ret, op_errno, buf);
         return 0;
@@ -820,22 +828,22 @@ iot_open_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret,
 
 int
 iot_open_wrapper (call_frame_t * frame, xlator_t * this, loc_t *loc,
-                  int32_t flags, fd_t * fd)
+                  int32_t flags, fd_t * fd, int32_t wbflags)
 {
 	STACK_WIND (frame, iot_open_cbk, FIRST_CHILD (this),
-                    FIRST_CHILD (this)->fops->open, loc, flags, fd);
+                    FIRST_CHILD (this)->fops->open, loc, flags, fd, wbflags);
 	return 0;
 }
 
 
 int
 iot_open (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
-          fd_t *fd)
+          fd_t *fd, int32_t wbflags)
 {
         call_stub_t	*stub = NULL;
         int             ret = -1;
 
-        stub = fop_open_stub (frame, iot_open_wrapper, loc, flags, fd);
+        stub = fop_open_stub (frame, iot_open_wrapper, loc, flags, fd, wbflags);
         if (!stub) {
                 gf_log (this->name, GF_LOG_ERROR,
                         "cannot create open call stub"
@@ -863,7 +871,8 @@ out:
 int
 iot_create_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 *stbuf)
+                struct stat *stbuf, struct stat *preparent,
+                struct stat *postparent)
 {
 	STACK_UNWIND (frame, op_ret, op_errno, fd, inode, stbuf);
 	return 0;
@@ -1020,9 +1029,10 @@ out:
 
 int
 iot_fsync_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
-               int32_t op_ret, int32_t op_errno)
+               int32_t op_ret, int32_t op_errno, struct stat *prebuf,
+               struct stat *postbuf)
 {
-	STACK_UNWIND (frame, op_ret, op_errno);
+	STACK_UNWIND (frame, op_ret, op_errno, prebuf, postbuf);
 	return 0;
 }
 
@@ -1071,9 +1081,10 @@ out:
 
 int
 iot_writev_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
-                int32_t op_ret, int32_t op_errno, struct stat *stbuf)
+                int32_t op_ret, int32_t op_errno, struct stat *prebuf,
+                struct stat *postbuf)
 {
-	STACK_UNWIND (frame, op_ret, op_errno, stbuf);
+	STACK_UNWIND (frame, op_ret, op_errno, prebuf, postbuf);
 	return 0;
 }
 
@@ -1288,9 +1299,10 @@ out:
 
 int
 iot_truncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
-                  int32_t op_ret, int32_t op_errno, struct stat *buf)
+                  int32_t op_ret, int32_t op_errno, struct stat *prebuf,
+                  struct stat *postbuf)
 {
-	STACK_UNWIND (frame, op_ret, op_errno, buf);
+	STACK_UNWIND (frame, op_ret, op_errno, prebuf, postbuf);
 	return 0;
 }
 
@@ -1349,9 +1361,10 @@ out:
 
 int
 iot_ftruncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
-                   int32_t op_ret, int32_t op_errno, struct stat *buf)
+                   int32_t op_ret, int32_t op_errno, struct stat *prebuf,
+                   struct stat *postbuf)
 {
-	STACK_UNWIND (frame, op_ret, op_errno, buf);
+	STACK_UNWIND (frame, op_ret, op_errno, prebuf, postbuf);
 	return 0;
 }
 
@@ -1450,7 +1463,8 @@ out:
 
 int
 iot_unlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
-		int32_t op_ret, int32_t op_errno)
+		int32_t op_ret, int32_t op_errno, struct stat *preparent,
+                struct stat *postparent)
 {
 	STACK_UNWIND (frame, op_ret, op_errno);
 	return 0;
@@ -1503,7 +1517,7 @@ out:
 int
 iot_link_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 *buf, struct stat *preparent, struct stat *postparent)
 {
         STACK_UNWIND (frame, op_ret, op_errno, inode, buf);
         return 0;
diff --git a/xlators/performance/quick-read/src/quick-read.c b/xlators/performance/quick-read/src/quick-read.c
index 1249da87b20..3e732e51a0a 100644
--- a/xlators/performance/quick-read/src/quick-read.c
+++ b/xlators/performance/quick-read/src/quick-read.c
@@ -149,7 +149,7 @@ out:
 int32_t
 qr_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 *dict)
+               struct stat *buf, dict_t *dict, struct stat *postparent)
 {
         data_t    *content = NULL;
         qr_file_t *qr_file = NULL;
@@ -415,7 +415,7 @@ out:
 
 int32_t
 qr_open (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
-         fd_t *fd)
+         fd_t *fd, int32_t wbflags)
 {
         qr_file_t   *qr_file = NULL;
         int32_t      ret = -1;
@@ -516,7 +516,7 @@ unwind:
 
 wind:
         STACK_WIND (frame, qr_open_cbk, FIRST_CHILD(this),
-                    FIRST_CHILD(this)->fops->open, loc, flags, fd);
+                    FIRST_CHILD(this)->fops->open, loc, flags, fd, wbflags);
         return 0;
 }
 
@@ -709,7 +709,7 @@ qr_validate_cache (call_frame_t *frame, xlator_t *this, fd_t *fd,
 
                 STACK_WIND (frame, qr_open_cbk, FIRST_CHILD(this),
                             FIRST_CHILD(this)->fops->open,
-                            &loc, flags, fd);
+                            &loc, flags, fd, 0);
                         
                 qr_loc_wipe (&loc);
         } else if (can_wind) {
@@ -949,7 +949,7 @@ out:
 
                         STACK_WIND (frame, qr_open_cbk, FIRST_CHILD(this),
                                     FIRST_CHILD(this)->fops->open,
-                                    &loc, flags, fd);
+                                    &loc, flags, fd, 0);
                         
                         qr_loc_wipe (&loc);
                 } else if (can_wind) {
@@ -974,10 +974,11 @@ out:
 
 
 int32_t
-qr_writev_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret,
-               int32_t op_errno, struct stat *stbuf)
+qr_writev_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+               int32_t op_ret, int32_t op_errno, struct stat *prebuf,
+               struct stat *postbuf)
 {
-	STACK_UNWIND (frame, op_ret, op_errno, stbuf);
+	STACK_UNWIND (frame, op_ret, op_errno, prebuf, postbuf);
 	return 0;
 }
 
@@ -1081,7 +1082,7 @@ out:
                 }
 
                 STACK_WIND (frame, qr_open_cbk, FIRST_CHILD(this),
-                            FIRST_CHILD(this)->fops->open, &loc, flags, fd);
+                            FIRST_CHILD(this)->fops->open, &loc, flags, fd, 0);
 
                 qr_loc_wipe (&loc);
         }
@@ -1174,7 +1175,7 @@ out:
                 }
 
                 STACK_WIND (frame, qr_open_cbk, FIRST_CHILD(this),
-                            FIRST_CHILD(this)->fops->open, &loc, flags, fd);
+                            FIRST_CHILD(this)->fops->open, &loc, flags, fd, 0);
 
                 qr_loc_wipe (&loc);
         }
@@ -1274,7 +1275,7 @@ out:
                 }
 
                 STACK_WIND (frame, qr_open_cbk, FIRST_CHILD(this),
-                            FIRST_CHILD(this)->fops->open, &loc, flags, fd);
+                            FIRST_CHILD(this)->fops->open, &loc, flags, fd, 0);
 
                 qr_loc_wipe (&loc);
         }
@@ -1372,7 +1373,7 @@ out:
 
                 STACK_WIND (frame, qr_open_cbk, FIRST_CHILD(this),
                             FIRST_CHILD(this)->fops->open, &loc, open_flags,
-                            fd);
+                            fd, 0);
 
                 qr_loc_wipe (&loc);
         } 
@@ -1472,7 +1473,7 @@ out:
                 }
                 
                 STACK_WIND (frame, qr_open_cbk, FIRST_CHILD(this),
-                            FIRST_CHILD(this)->fops->open, &loc, flags, fd);
+                            FIRST_CHILD(this)->fops->open, &loc, flags, fd, 0);
 
                 qr_loc_wipe (&loc);
         }
@@ -1644,7 +1645,7 @@ out:
                 }
 
                 STACK_WIND (frame, qr_open_cbk, FIRST_CHILD(this),
-                            FIRST_CHILD(this)->fops->open, &loc, flags, fd);
+                            FIRST_CHILD(this)->fops->open, &loc, flags, fd, 0);
 
                 qr_loc_wipe (&loc);
         }
@@ -1743,7 +1744,7 @@ out:
                 }
 
                 STACK_WIND (frame, qr_open_cbk, FIRST_CHILD(this),
-                            FIRST_CHILD(this)->fops->open, &loc, flags, fd);
+                            FIRST_CHILD(this)->fops->open, &loc, flags, fd, 0);
                 
                 qr_loc_wipe (&loc);
         }
@@ -1754,9 +1755,9 @@ out:
 
 int32_t
 qr_fsync_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret,
-              int32_t op_errno)
+              int32_t op_errno, struct stat *prebuf, struct stat *postbuf)
 {
-	STACK_UNWIND (frame, op_ret, op_errno);
+	STACK_UNWIND (frame, op_ret, op_errno, prebuf, postbuf);
 	return 0;
 }
 
@@ -1836,7 +1837,7 @@ out:
 
                 STACK_WIND (frame, qr_open_cbk, FIRST_CHILD(this),
                             FIRST_CHILD(this)->fops->open, &loc, open_flags,
-                            fd);
+                            fd, 0);
 
                 qr_loc_wipe (&loc);
         }
@@ -1847,7 +1848,8 @@ out:
 
 int32_t
 qr_ftruncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
-                  int32_t op_ret, int32_t op_errno, struct stat *buf)
+                  int32_t op_ret, int32_t op_errno, struct stat *prebuf,
+                  struct stat *postbuf)
 {
         int32_t     ret = 0;
         uint64_t    value = 0; 
@@ -1873,7 +1875,8 @@ qr_ftruncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
                 if (qr_file) {
                         LOCK (&qr_file->lock);
                         {
-                                if (qr_file->stbuf.st_size != buf->st_size) {
+                                if (qr_file->stbuf.st_size != postbuf->st_size)
+                                {
                                         dict_unref (qr_file->xattr);
                                         qr_file->xattr = NULL;
                                 }
@@ -1883,7 +1886,7 @@ qr_ftruncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
         }
 
 out:
-        STACK_UNWIND (frame, op_ret, op_errno, buf);
+        STACK_UNWIND (frame, op_ret, op_errno, prebuf, postbuf);
         return 0;
 }
 
@@ -1977,7 +1980,7 @@ out:
                 }
 
                 STACK_WIND (frame, qr_open_cbk, FIRST_CHILD(this),
-                            FIRST_CHILD(this)->fops->open, &loc, flags, fd);
+                            FIRST_CHILD(this)->fops->open, &loc, flags, fd, 0);
 
                 qr_loc_wipe (&loc);
         }
@@ -2073,7 +2076,7 @@ out:
                 }
 
                 STACK_WIND (frame, qr_open_cbk, FIRST_CHILD(this),
-                            FIRST_CHILD(this)->fops->open, &loc, flags, fd);
+                            FIRST_CHILD(this)->fops->open, &loc, flags, fd, 0);
 
                 qr_loc_wipe (&loc);
         }
diff --git a/xlators/performance/read-ahead/src/read-ahead.c b/xlators/performance/read-ahead/src/read-ahead.c
index 6d1c5a2bcfa..a6b6f2f254b 100644
--- a/xlators/performance/read-ahead/src/read-ahead.c
+++ b/xlators/performance/read-ahead/src/read-ahead.c
@@ -112,7 +112,8 @@ unwind:
 int
 ra_create_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 *buf, struct stat *preparent,
+               struct stat *postparent)
 {
 	ra_conf_t  *conf = NULL;
 	ra_file_t  *file = NULL;
@@ -177,12 +178,12 @@ unwind:
 
 int
 ra_open (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
-         fd_t *fd)
+         fd_t *fd, int32_t wbflags)
 {
 	STACK_WIND (frame, ra_open_cbk,
 		    FIRST_CHILD (this),
 		    FIRST_CHILD (this)->fops->open,
-		    loc, flags, fd);
+		    loc, flags, fd, wbflags);
 
 	return 0;
 }
@@ -525,6 +526,16 @@ ra_flush_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret,
 }
 
 
+
+int
+ra_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)
+{
+	STACK_UNWIND (frame, op_ret, op_errno, prebuf, postbuf);
+	return 0;
+}
+
+
 int
 ra_flush (call_frame_t *frame, xlator_t *this, fd_t *fd)
 {
@@ -577,7 +588,7 @@ ra_fsync (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t datasync)
 		flush_region (frame, file, 0, file->pages.prev->offset+1);
 	}
 
-	STACK_WIND (frame, ra_flush_cbk,
+	STACK_WIND (frame, ra_fsync_cbk,
 		    FIRST_CHILD (this),
 		    FIRST_CHILD (this)->fops->fsync,
 		    fd, datasync);
@@ -591,7 +602,8 @@ unwind:
 
 int
 ra_writev_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
-               int32_t op_ret, int32_t op_errno, struct stat *stbuf)
+               int32_t op_ret, int32_t op_errno, struct stat *prebuf,
+               struct stat *postbuf)
 {
 	fd_t      *fd = NULL;
 	ra_file_t *file = NULL;
@@ -606,7 +618,7 @@ ra_writev_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
         flush_region (frame, file, 0, file->pages.prev->offset+1);
 
 	frame->local = NULL;
-	STACK_UNWIND (frame, op_ret, op_errno, stbuf);
+	STACK_UNWIND (frame, op_ret, op_errno, prebuf, postbuf);
 	return 0;
 }
 
@@ -650,6 +662,16 @@ unwind:
 
 
 int
+ra_truncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+                 int32_t op_ret, int32_t op_errno, struct stat *prebuf,
+                 struct stat *postbuf)
+{
+	STACK_UNWIND (frame, op_ret, op_errno, prebuf, postbuf);
+	return 0;
+}
+
+
+int
 ra_attr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
 	     int32_t op_ret, int32_t op_errno, struct stat *buf)
 {
@@ -683,7 +705,7 @@ ra_truncate (call_frame_t *frame, xlator_t *this, loc_t *loc, off_t offset)
 	}
 	UNLOCK (&inode->lock);
 
-	STACK_WIND (frame, ra_attr_cbk,
+	STACK_WIND (frame, ra_truncate_cbk,
 		    FIRST_CHILD (this),
 		    FIRST_CHILD (this)->fops->truncate,
 		    loc, offset);
@@ -748,7 +770,7 @@ ra_ftruncate (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset)
 	}
 	UNLOCK (&inode->lock);
 
-	STACK_WIND (frame, ra_attr_cbk,
+	STACK_WIND (frame, ra_truncate_cbk,
 		    FIRST_CHILD (this),
 		    FIRST_CHILD (this)->fops->ftruncate,
 		    fd, offset);
diff --git a/xlators/performance/stat-prefetch/src/stat-prefetch.c b/xlators/performance/stat-prefetch/src/stat-prefetch.c
index 67a61fc47e7..e2771314a7a 100644
--- a/xlators/performance/stat-prefetch/src/stat-prefetch.c
+++ b/xlators/performance/stat-prefetch/src/stat-prefetch.c
@@ -362,7 +362,7 @@ unlock:
 int32_t
 sp_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 *dict)
+               struct stat *buf, dict_t *dict, struct stat *postparent)
 {
         struct stat *stbuf = NULL;
         int32_t      ret = -1;
@@ -401,7 +401,7 @@ out:
 int32_t
 sp_lookup_behind_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 *dict)
+                      struct stat *buf, dict_t *dict, struct stat *postparent)
 {
         sp_local_t *local = NULL;
         sp_cache_t *cache = NULL;
@@ -672,10 +672,24 @@ unwind:
 
 
 int32_t
-sp_stbuf_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret,
-              int32_t op_errno, struct stat *buf)
+sp_truncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+                 int32_t op_ret, int32_t op_errno, struct stat *prebuf,
+                 struct stat *postbuf)
 {
-	SP_STACK_UNWIND (frame, op_ret, op_errno, buf);
+	SP_STACK_UNWIND (frame, op_ret, op_errno, prebuf, postbuf);
+	return 0;
+}
+
+
+
+int32_t
+sp_rename_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)
+{
+	SP_STACK_UNWIND (frame, op_ret, op_errno, buf, preoldparent,
+                         postoldparent, prenewparent, postnewparent);
 	return 0;
 }
 
@@ -712,7 +726,7 @@ out:
 
 int32_t
 sp_open (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
-         fd_t *fd)
+         fd_t *fd, int wbflags)
 {
         sp_local_t *local = NULL;
         int32_t     ret   = -1;
@@ -728,7 +742,7 @@ sp_open (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
         }
 
 	STACK_WIND (frame, sp_fd_cbk, FIRST_CHILD(this),
-                    FIRST_CHILD(this)->fops->open, loc, flags, fd);
+                    FIRST_CHILD(this)->fops->open, loc, flags, fd, wbflags);
         return 0;
 
 unwind:
@@ -740,7 +754,8 @@ unwind:
 static int32_t
 sp_create_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 *buf, struct stat *preparent,
+               struct stat *postparent)
 {
         sp_local_t  *local = NULL;
         sp_fd_ctx_t *fd_ctx = NULL;
@@ -837,9 +852,11 @@ unwind:
 int32_t
 sp_new_entry_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 *buf, struct stat *preparent,
+                  struct stat *postparent)
 {
-	STACK_UNWIND (frame, op_ret, op_errno, inode, buf);
+	STACK_UNWIND (frame, op_ret, op_errno, inode, buf, preparent,
+                      postparent);
 	return 0;
 }
 
@@ -972,7 +989,7 @@ sp_truncate (call_frame_t *frame, xlator_t *this, loc_t *loc, off_t offset)
                 sp_cache_remove_entry (cache, (char *)loc->name, 0);
         }
 
-	STACK_WIND (frame, sp_stbuf_cbk, FIRST_CHILD(this),
+	STACK_WIND (frame, sp_truncate_cbk, FIRST_CHILD(this),
                     FIRST_CHILD(this)->fops->truncate, loc, offset);
         return 0;
 
@@ -1007,7 +1024,7 @@ sp_ftruncate (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset)
                 sp_cache_remove_entry (cache, name, 0);
         }
 
-	STACK_WIND (frame, sp_stbuf_cbk, FIRST_CHILD(this),
+	STACK_WIND (frame, sp_truncate_cbk, FIRST_CHILD(this),
                     FIRST_CHILD(this)->fops->ftruncate, fd, offset);
         return 0;
 
@@ -1054,9 +1071,10 @@ unwind:
 
 int32_t
 sp_readlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
-                 int32_t op_ret, int32_t op_errno, const char *path)
+                 int32_t op_ret, int32_t op_errno, const char *path,
+                 struct stat *buf)
 {
-	SP_STACK_UNWIND (frame, op_ret, op_errno, path);
+	SP_STACK_UNWIND (frame, op_ret, op_errno, path, buf);
         return 0;
 }
 
@@ -1084,6 +1102,16 @@ unwind:
         return 0;
 }
 
+int32_t
+sp_unlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+               int32_t op_ret, int32_t op_errno, struct stat *preparent,
+               struct stat *postparent)
+{
+	SP_STACK_UNWIND (frame, op_ret, op_errno, preparent, postparent);
+	return 0;
+}
+
+
 
 int32_t
 sp_err_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
@@ -1115,7 +1143,7 @@ sp_unlink (call_frame_t *frame, xlator_t *this, loc_t *loc)
                 goto unwind;
         }
 
-	STACK_WIND (frame, sp_err_cbk, FIRST_CHILD(this),
+	STACK_WIND (frame, sp_unlink_cbk, FIRST_CHILD(this),
                     FIRST_CHILD(this)->fops->unlink, loc);
         return 0;
 
@@ -1169,7 +1197,7 @@ sp_rmdir (call_frame_t *frame, xlator_t *this, loc_t *loc)
                 goto unwind;
         }
 
-        STACK_WIND (frame, sp_err_cbk, FIRST_CHILD(this),
+        STACK_WIND (frame, sp_unlink_cbk, FIRST_CHILD(this),
                     FIRST_CHILD(this)->fops->rmdir, loc);
         return 0;
 
@@ -1251,7 +1279,7 @@ sp_writev (call_frame_t *frame, xlator_t *this, fd_t *fd, struct iovec *vector,
                 sp_cache_remove_entry (cache, name, 0);
         }
 
-	STACK_WIND (frame, sp_stbuf_cbk, FIRST_CHILD(this),
+	STACK_WIND (frame, sp_unlink_cbk, FIRST_CHILD(this),
                     FIRST_CHILD(this)->fops->writev, fd, vector, count, off,
                     iobref);
         return 0;
@@ -1287,7 +1315,7 @@ sp_fsync (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t flags)
                 sp_cache_remove_entry (cache, name, 0);
         }
 
-	STACK_WIND (frame, sp_err_cbk, FIRST_CHILD(this),
+	STACK_WIND (frame, sp_unlink_cbk, FIRST_CHILD(this),
                     FIRST_CHILD(this)->fops->fsync, fd, flags);
         return 0;
 
@@ -1338,7 +1366,7 @@ sp_rename (call_frame_t *frame, xlator_t *this, loc_t *oldloc,loc_t *newloc)
                 sp_remove_caches_from_all_fds_opened (this, oldloc->inode);
         }
 
-        STACK_WIND (frame, sp_stbuf_cbk, FIRST_CHILD(this),
+        STACK_WIND (frame, sp_rename_cbk, FIRST_CHILD(this),
                     FIRST_CHILD(this)->fops->rename, oldloc, newloc);
         return 0;
 
diff --git a/xlators/performance/symlink-cache/src/symlink-cache.c b/xlators/performance/symlink-cache/src/symlink-cache.c
index ad0836c5eb2..791fde3c509 100644
--- a/xlators/performance/symlink-cache/src/symlink-cache.c
+++ b/xlators/performance/symlink-cache/src/symlink-cache.c
@@ -242,7 +242,7 @@ sc_cache_get (xlator_t *this, inode_t *inode, char **link)
 int
 sc_readlink_cbk (call_frame_t *frame, void *cookie,
 		 xlator_t *this, int op_ret, int op_errno,
-		 const char *link)
+		 const char *link, struct stat *sbuf)
 {
 	if (op_ret > 0)
 		sc_cache_update (this, frame->local, link);
@@ -287,7 +287,8 @@ sc_readlink (call_frame_t *frame, xlator_t *this,
 int
 sc_symlink_cbk (call_frame_t *frame, void *cookie,
 		xlator_t *this, int op_ret, int op_errno,
-		inode_t *inode, struct stat *buf)
+                inode_t *inode, struct stat *buf, struct stat *preparent,
+                struct stat *postparent)
 {
 	if (op_ret == 0) {
 		if (frame->local) {
@@ -318,7 +319,8 @@ sc_symlink (call_frame_t *frame, xlator_t *this,
 int
 sc_lookup_cbk (call_frame_t *frame, void *cookie,
 	       xlator_t *this, int op_ret, int op_errno,
-	       inode_t *inode, struct stat *buf, dict_t *xattr)
+	       inode_t *inode, struct stat *buf, dict_t *xattr,
+               struct stat *postparent)
 {
 	if (op_ret == 0)
 		sc_cache_validate (this, inode, buf);
diff --git a/xlators/performance/write-behind/src/write-behind.c b/xlators/performance/write-behind/src/write-behind.c
index 300d684659e..57311f6d498 100644
--- a/xlators/performance/write-behind/src/write-behind.c
+++ b/xlators/performance/write-behind/src/write-behind.c
@@ -310,7 +310,7 @@ wb_file_destroy (wb_file_t *file)
 
 int32_t
 wb_sync_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret,
-             int32_t op_errno, struct stat *stbuf)
+             int32_t op_errno, struct stat *prebuf, struct stat *postbuf)
 {
         wb_local_t   *local = NULL;
         list_head_t  *winds = NULL;
@@ -774,7 +774,8 @@ wb_fstat (call_frame_t *frame, xlator_t *this, fd_t *fd)
 
 int32_t
 wb_truncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
-                 int32_t op_ret, int32_t op_errno, struct stat *buf)
+                 int32_t op_ret, int32_t op_errno, struct stat *prebuf,
+                 struct stat *postbuf)
 {
         wb_local_t   *local = NULL; 
         wb_request_t *request = NULL;
@@ -795,7 +796,7 @@ wb_truncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
                 }
         }
 
-        STACK_UNWIND (frame, op_ret, op_errno, buf);
+        STACK_UNWIND (frame, op_ret, op_errno, prebuf, postbuf);
 
         if (request) {
                 wb_request_unref (request);
@@ -916,7 +917,8 @@ wb_truncate (call_frame_t *frame, xlator_t *this, loc_t *loc, off_t offset)
 
 int32_t
 wb_ftruncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
-                  int32_t op_ret, int32_t op_errno, struct stat *buf)
+                  int32_t op_ret, int32_t op_errno, struct stat *prebuf,
+                  struct stat *postbuf)
 {
         wb_local_t   *local = NULL; 
         wb_request_t *request = NULL;
@@ -936,7 +938,7 @@ wb_ftruncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
                 }
         }
 
-        STACK_UNWIND (frame, op_ret, op_errno, buf);
+        STACK_UNWIND (frame, op_ret, op_errno, prebuf, postbuf);
 
         return 0;
 }
@@ -1211,7 +1213,7 @@ wb_open_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret,
 
 int32_t
 wb_open (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
-         fd_t *fd)
+         fd_t *fd, int32_t wbflags)
 {
         frame->local = (void *)(long)flags;
 
@@ -1219,7 +1221,7 @@ wb_open (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
                     wb_open_cbk,
                     FIRST_CHILD(this),
                     FIRST_CHILD(this)->fops->open,
-                    loc, flags, fd);
+                    loc, flags, fd, wbflags);
         return 0;
 }
 
@@ -1227,7 +1229,8 @@ wb_open (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
 int32_t
 wb_create_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 *buf, struct stat *preparent,
+               struct stat *postparent)
 {
         long       flags = 0;
         wb_file_t *file = NULL;
@@ -1702,9 +1705,10 @@ out:
 
 int32_t
 wb_writev_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
-               int32_t op_ret, int32_t op_errno, struct stat *stbuf)
+               int32_t op_ret, int32_t op_errno, struct stat *prebuf,
+               struct stat *postbuf)
 {
-        STACK_UNWIND (frame, op_ret, op_errno, stbuf);
+        STACK_UNWIND (frame, op_ret, op_errno, prebuf, postbuf);
         return 0;
 }
 
@@ -2124,7 +2128,7 @@ wb_flush (call_frame_t *frame, xlator_t *this, fd_t *fd)
 
 static int32_t
 wb_fsync_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret,
-              int32_t op_errno)
+              int32_t op_errno, struct stat *prebuf, struct stat *postbuf)
 {
         wb_local_t   *local = NULL;
         wb_file_t    *file = NULL;