core: adding extra data for fops

with this change, the xlator APIs will have a dictionary as extra
argument, which is passed between all the layers. This can be
utilized for overloading in some of the operations.

Change-Id: I58a8186b3ef647650280e63f3e5e9b9de7827b40
Signed-off-by: Amar Tumballi <amarts@redhat.com>
BUG: 782265
Reviewed-on: http://review.gluster.com/2960
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>

1 files changed, 87 insertions, 90 deletions

diff --git a/libglusterfs/src/xlator.h b/libglusterfs/src/xlator.h
index c0b56a7b0..bad328f6c 100644
--- a/libglusterfs/src/xlator.h
+++ b/libglusterfs/src/xlator.h
@@ -106,7 +106,8 @@ typedef int32_t (*fop_rchecksum_cbk_t) (call_frame_t *frame,
                                         int32_t op_ret,
                                         int32_t op_errno,
                                         uint32_t weak_checksum,
-                                        uint8_t *strong_checksum);
+                                        uint8_t *strong_checksum,
+                                        dict_t *xdata);
 
 
 typedef int32_t (*fop_getspec_t) (call_frame_t *frame,
@@ -117,7 +118,7 @@ typedef int32_t (*fop_getspec_t) (call_frame_t *frame,
 typedef int32_t (*fop_rchecksum_t) (call_frame_t *frame,
                                     xlator_t *this,
                                     fd_t *fd, off_t offset,
-                                    int32_t len);
+                                    int32_t len, dict_t *xdata);
 
 
 typedef int32_t (*fop_lookup_cbk_t) (call_frame_t *frame,
@@ -127,7 +128,7 @@ typedef int32_t (*fop_lookup_cbk_t) (call_frame_t *frame,
                                      int32_t op_errno,
                                      inode_t *inode,
                                      struct iatt *buf,
-                                     dict_t *xattr,
+                                     dict_t *xdata,
                                      struct iatt *postparent);
 
 typedef int32_t (*fop_stat_cbk_t) (call_frame_t *frame,
@@ -135,14 +136,14 @@ typedef int32_t (*fop_stat_cbk_t) (call_frame_t *frame,
                                    xlator_t *this,
                                    int32_t op_ret,
                                    int32_t op_errno,
-                                   struct iatt *buf);
+                                   struct iatt *buf, dict_t *xdata);
 
 typedef int32_t (*fop_fstat_cbk_t) (call_frame_t *frame,
                                     void *cookie,
                                     xlator_t *this,
                                     int32_t op_ret,
                                     int32_t op_errno,
-                                    struct iatt *buf);
+                                    struct iatt *buf, dict_t *xdata);
 
 typedef int32_t (*fop_truncate_cbk_t) (call_frame_t *frame,
                                        void *cookie,
@@ -150,7 +151,7 @@ typedef int32_t (*fop_truncate_cbk_t) (call_frame_t *frame,
                                        int32_t op_ret,
                                        int32_t op_errno,
                                        struct iatt *prebuf,
-                                       struct iatt *postbuf);
+                                       struct iatt *postbuf, dict_t *xdata);
 
 typedef int32_t (*fop_ftruncate_cbk_t) (call_frame_t *frame,
                                         void *cookie,
@@ -158,13 +159,13 @@ typedef int32_t (*fop_ftruncate_cbk_t) (call_frame_t *frame,
                                         int32_t op_ret,
                                         int32_t op_errno,
                                         struct iatt *prebuf,
-                                        struct iatt *postbuf);
+                                        struct iatt *postbuf, dict_t *xdata);
 
 typedef int32_t (*fop_access_cbk_t) (call_frame_t *frame,
                                      void *cookie,
                                      xlator_t *this,
                                      int32_t op_ret,
-                                     int32_t op_errno);
+                                     int32_t op_errno, dict_t *xdata);
 
 typedef int32_t (*fop_readlink_cbk_t) (call_frame_t *frame,
                                        void *cookie,
@@ -172,7 +173,7 @@ typedef int32_t (*fop_readlink_cbk_t) (call_frame_t *frame,
                                        int32_t op_ret,
                                        int32_t op_errno,
                                        const char *path,
-                                       struct iatt *buf);
+                                       struct iatt *buf, dict_t *xdata);
 
 typedef int32_t (*fop_mknod_cbk_t) (call_frame_t *frame,
                                     void *cookie,
@@ -182,7 +183,7 @@ typedef int32_t (*fop_mknod_cbk_t) (call_frame_t *frame,
                                     inode_t *inode,
                                     struct iatt *buf,
                                     struct iatt *preparent,
-                                    struct iatt *postparent);
+                                    struct iatt *postparent, dict_t *xdata);
 
 typedef int32_t (*fop_mkdir_cbk_t) (call_frame_t *frame,
                                     void *cookie,
@@ -192,7 +193,7 @@ typedef int32_t (*fop_mkdir_cbk_t) (call_frame_t *frame,
                                     inode_t *inode,
                                     struct iatt *buf,
                                     struct iatt *preparent,
-                                    struct iatt *postparent);
+                                    struct iatt *postparent, dict_t *xdata);
 
 typedef int32_t (*fop_unlink_cbk_t) (call_frame_t *frame,
                                      void *cookie,
@@ -200,7 +201,7 @@ typedef int32_t (*fop_unlink_cbk_t) (call_frame_t *frame,
                                      int32_t op_ret,
                                      int32_t op_errno,
                                      struct iatt *preparent,
-                                     struct iatt *postparent);
+                                     struct iatt *postparent, dict_t *xdata);
 
 typedef int32_t (*fop_rmdir_cbk_t) (call_frame_t *frame,
                                     void *cookie,
@@ -208,7 +209,7 @@ typedef int32_t (*fop_rmdir_cbk_t) (call_frame_t *frame,
                                     int32_t op_ret,
                                     int32_t op_errno,
                                     struct iatt *preparent,
-                                    struct iatt *postparent);
+                                    struct iatt *postparent, dict_t *xdata);
 
 typedef int32_t (*fop_symlink_cbk_t) (call_frame_t *frame,
                                       void *cookie,
@@ -218,7 +219,7 @@ typedef int32_t (*fop_symlink_cbk_t) (call_frame_t *frame,
                                       inode_t *inode,
                                       struct iatt *buf,
                                       struct iatt *preparent,
-                                      struct iatt *postparent);
+                                      struct iatt *postparent, dict_t *xdata);
 
 typedef int32_t (*fop_rename_cbk_t) (call_frame_t *frame,
                                      void *cookie,
@@ -229,7 +230,7 @@ typedef int32_t (*fop_rename_cbk_t) (call_frame_t *frame,
                                      struct iatt *preoldparent,
                                      struct iatt *postoldparent,
                                      struct iatt *prenewparent,
-                                     struct iatt *postnewparent);
+                                     struct iatt *postnewparent, dict_t *xdata);
 
 typedef int32_t (*fop_link_cbk_t) (call_frame_t *frame,
                                    void *cookie,
@@ -239,7 +240,7 @@ typedef int32_t (*fop_link_cbk_t) (call_frame_t *frame,
                                    inode_t *inode,
                                    struct iatt *buf,
                                    struct iatt *preparent,
-                                   struct iatt *postparent);
+                                   struct iatt *postparent, dict_t *xdata);
 
 typedef int32_t (*fop_create_cbk_t) (call_frame_t *frame,
                                      void *cookie,
@@ -250,14 +251,14 @@ typedef int32_t (*fop_create_cbk_t) (call_frame_t *frame,
                                      inode_t *inode,
                                      struct iatt *buf,
                                      struct iatt *preparent,
-                                     struct iatt *postparent);
+                                     struct iatt *postparent, dict_t *xdata);
 
 typedef int32_t (*fop_open_cbk_t) (call_frame_t *frame,
                                    void *cookie,
                                    xlator_t *this,
                                    int32_t op_ret,
                                    int32_t op_errno,
-                                   fd_t *fd);
+                                   fd_t *fd, dict_t *xdata);
 
 typedef int32_t (*fop_readv_cbk_t) (call_frame_t *frame,
                                     void *cookie,
@@ -267,7 +268,7 @@ typedef int32_t (*fop_readv_cbk_t) (call_frame_t *frame,
                                     struct iovec *vector,
                                     int32_t count,
                                     struct iatt *stbuf,
-                                    struct iobref *iobref);
+                                    struct iobref *iobref, dict_t *xdata);
 
 typedef int32_t (*fop_writev_cbk_t) (call_frame_t *frame,
                                      void *cookie,
@@ -275,13 +276,13 @@ typedef int32_t (*fop_writev_cbk_t) (call_frame_t *frame,
                                      int32_t op_ret,
                                      int32_t op_errno,
                                      struct iatt *prebuf,
-                                     struct iatt *postbuf);
+                                     struct iatt *postbuf, dict_t *xdata);
 
 typedef int32_t (*fop_flush_cbk_t) (call_frame_t *frame,
                                     void *cookie,
                                     xlator_t *this,
                                     int32_t op_ret,
-                                    int32_t op_errno);
+                                    int32_t op_errno, dict_t *xdata);
 
 typedef int32_t (*fop_fsync_cbk_t) (call_frame_t *frame,
                                     void *cookie,
@@ -289,124 +290,124 @@ typedef int32_t (*fop_fsync_cbk_t) (call_frame_t *frame,
                                     int32_t op_ret,
                                     int32_t op_errno,
                                     struct iatt *prebuf,
-                                    struct iatt *postbuf);
+                                    struct iatt *postbuf, dict_t *xdata);
 
 typedef int32_t (*fop_opendir_cbk_t) (call_frame_t *frame,
                                       void *cookie,
                                       xlator_t *this,
                                       int32_t op_ret,
                                       int32_t op_errno,
-                                      fd_t *fd);
+                                      fd_t *fd, dict_t *xdata);
 
 typedef int32_t (*fop_fsyncdir_cbk_t) (call_frame_t *frame,
                                        void *cookie,
                                        xlator_t *this,
                                        int32_t op_ret,
-                                       int32_t op_errno);
+                                       int32_t op_errno, dict_t *xdata);
 
 typedef int32_t (*fop_statfs_cbk_t) (call_frame_t *frame,
                                      void *cookie,
                                      xlator_t *this,
                                      int32_t op_ret,
                                      int32_t op_errno,
-                                     struct statvfs *buf);
+                                     struct statvfs *buf, dict_t *xdata);
 
 typedef int32_t (*fop_setxattr_cbk_t) (call_frame_t *frame,
                                        void *cookie,
                                        xlator_t *this,
                                        int32_t op_ret,
-                                       int32_t op_errno);
+                                       int32_t op_errno, dict_t *xdata);
 
 typedef int32_t (*fop_getxattr_cbk_t) (call_frame_t *frame,
                                        void *cookie,
                                        xlator_t *this,
                                        int32_t op_ret,
                                        int32_t op_errno,
-                                       dict_t *dict);
+                                       dict_t *dict, dict_t *xdata);
 
 typedef int32_t (*fop_fsetxattr_cbk_t) (call_frame_t *frame,
                                         void *cookie,
                                         xlator_t *this,
                                         int32_t op_ret,
-                                        int32_t op_errno);
+                                        int32_t op_errno, dict_t *xdata);
 
 typedef int32_t (*fop_fgetxattr_cbk_t) (call_frame_t *frame,
                                         void *cookie,
                                         xlator_t *this,
                                         int32_t op_ret,
                                         int32_t op_errno,
-                                        dict_t *dict);
+                                        dict_t *dict, dict_t *xdata);
 
 typedef int32_t (*fop_removexattr_cbk_t) (call_frame_t *frame,
                                           void *cookie,
                                           xlator_t *this,
                                           int32_t op_ret,
-                                          int32_t op_errno);
+                                          int32_t op_errno, dict_t *xdata);
 
 typedef int32_t (*fop_fremovexattr_cbk_t) (call_frame_t *frame,
                                            void *cookie,
                                            xlator_t *this,
                                            int32_t op_ret,
-                                           int32_t op_errno);
+                                           int32_t op_errno, dict_t *xdata);
 
 typedef int32_t (*fop_lk_cbk_t) (call_frame_t *frame,
                                  void *cookie,
                                  xlator_t *this,
                                  int32_t op_ret,
                                  int32_t op_errno,
-                                 struct gf_flock *flock);
+                                 struct gf_flock *flock, dict_t *xdata);
 
 typedef int32_t (*fop_inodelk_cbk_t) (call_frame_t *frame,
                                       void *cookie,
                                       xlator_t *this,
                                       int32_t op_ret,
-                                      int32_t op_errno);
+                                      int32_t op_errno, dict_t *xdata);
 
 typedef int32_t (*fop_finodelk_cbk_t) (call_frame_t *frame,
                                        void *cookie,
                                        xlator_t *this,
                                        int32_t op_ret,
-                                       int32_t op_errno);
+                                       int32_t op_errno, dict_t *xdata);
 
 typedef int32_t (*fop_entrylk_cbk_t) (call_frame_t *frame,
                                       void *cookie,
                                       xlator_t *this,
                                       int32_t op_ret,
-                                      int32_t op_errno);
+                                      int32_t op_errno, dict_t *xdata);
 
 typedef int32_t (*fop_fentrylk_cbk_t) (call_frame_t *frame,
                                        void *cookie,
                                        xlator_t *this,
                                        int32_t op_ret,
-                                       int32_t op_errno);
+                                       int32_t op_errno, dict_t *xdata);
 
 typedef int32_t (*fop_readdir_cbk_t) (call_frame_t *frame,
                                       void *cookie,
                                       xlator_t *this,
                                       int32_t op_ret,
                                       int32_t op_errno,
-                                      gf_dirent_t *entries);
+                                      gf_dirent_t *entries, dict_t *xdata);
 
 typedef int32_t (*fop_readdirp_cbk_t) (call_frame_t *frame,
                                        void *cookie,
                                        xlator_t *this,
                                        int32_t op_ret,
                                        int32_t op_errno,
-                                       gf_dirent_t *entries);
+                                       gf_dirent_t *entries, dict_t *xdata);
 
 typedef int32_t (*fop_xattrop_cbk_t) (call_frame_t *frame,
                                       void *cookie,
                                       xlator_t *this,
                                       int32_t op_ret,
                                       int32_t op_errno,
-                                      dict_t *xattr);
+                                      dict_t *xattr, dict_t *xdata);
 
 typedef int32_t (*fop_fxattrop_cbk_t) (call_frame_t *frame,
                                        void *cookie,
                                        xlator_t *this,
                                        int32_t op_ret,
                                        int32_t op_errno,
-                                       dict_t *xattr);
+                                       dict_t *xattr, dict_t *xdata);
 
 
 typedef int32_t (*fop_setattr_cbk_t) (call_frame_t *frame,
@@ -415,7 +416,7 @@ typedef int32_t (*fop_setattr_cbk_t) (call_frame_t *frame,
                                       int32_t op_ret,
                                       int32_t op_errno,
                                       struct iatt *preop_stbuf,
-                                      struct iatt *postop_stbuf);
+                                      struct iatt *postop_stbuf, dict_t *xdata);
 
 typedef int32_t (*fop_fsetattr_cbk_t) (call_frame_t *frame,
                                        void *cookie,
@@ -423,72 +424,71 @@ typedef int32_t (*fop_fsetattr_cbk_t) (call_frame_t *frame,
                                        int32_t op_ret,
                                        int32_t op_errno,
                                        struct iatt *preop_stbuf,
-                                       struct iatt *postop_stbuf);
+                                       struct iatt *postop_stbuf, dict_t *xdata);
 
 typedef int32_t (*fop_lookup_t) (call_frame_t *frame,
                                  xlator_t *this,
                                  loc_t *loc,
-                                 dict_t *xattr_req);
+                                 dict_t *xdata);
 
 typedef int32_t (*fop_stat_t) (call_frame_t *frame,
                                xlator_t *this,
-                               loc_t *loc);
+                               loc_t *loc, dict_t *xdata);
 
 typedef int32_t (*fop_fstat_t) (call_frame_t *frame,
                                 xlator_t *this,
-                                fd_t *fd);
+                                fd_t *fd, dict_t *xdata);
 
 typedef int32_t (*fop_truncate_t) (call_frame_t *frame,
                                    xlator_t *this,
                                    loc_t *loc,
-                                   off_t offset);
+                                   off_t offset, dict_t *xdata);
 
 typedef int32_t (*fop_ftruncate_t) (call_frame_t *frame,
                                     xlator_t *this,
                                     fd_t *fd,
-                                    off_t offset);
+                                    off_t offset, dict_t *xdata);
 
 typedef int32_t (*fop_access_t) (call_frame_t *frame,
                                  xlator_t *this,
                                  loc_t *loc,
-                                 int32_t mask);
+                                 int32_t mask, dict_t *xdata);
 
 typedef int32_t (*fop_readlink_t) (call_frame_t *frame,
                                    xlator_t *this,
                                    loc_t *loc,
-                                   size_t size);
+                                   size_t size, dict_t *xdata);
 
 typedef int32_t (*fop_mknod_t) (call_frame_t *frame, xlator_t *this,
                                 loc_t *loc, mode_t mode, dev_t rdev,
-                                dict_t *params);
+                                mode_t umask, dict_t *xdata);
 
-typedef int32_t (*fop_mkdir_t) (call_frame_t *frame, xlator_t *this,
-                                loc_t *loc, mode_t mode, dict_t *params);
+typedef int32_t (*fop_mkdir_t) (call_frame_t *frame, xlator_t *this, loc_t *loc,
+                                mode_t mode, mode_t umask, dict_t *xdata);
 
-typedef int32_t (*fop_unlink_t) (call_frame_t *frame,
-                                 xlator_t *this,
-                                 loc_t *loc);
+typedef int32_t (*fop_unlink_t) (call_frame_t *frame, xlator_t *this,
+                                 loc_t *loc, int xflags, dict_t *xdata);
 
 typedef int32_t (*fop_rmdir_t) (call_frame_t *frame, xlator_t *this,
-                                loc_t *loc, int flags);
+                                loc_t *loc, int xflags, dict_t *xdata);
 
 typedef int32_t (*fop_symlink_t) (call_frame_t *frame, xlator_t *this,
                                   const char *linkname, loc_t *loc,
-                                  dict_t *params);
+                                  mode_t umask, dict_t *xdata);
 
 typedef int32_t (*fop_rename_t) (call_frame_t *frame,
                                  xlator_t *this,
                                  loc_t *oldloc,
-                                 loc_t *newloc);
+                                 loc_t *newloc, dict_t *xdata);
 
 typedef int32_t (*fop_link_t) (call_frame_t *frame,
                                xlator_t *this,
                                loc_t *oldloc,
-                               loc_t *newloc);
+                               loc_t *newloc, dict_t *xdata);
 
 typedef int32_t (*fop_create_t) (call_frame_t *frame, xlator_t *this,
                                  loc_t *loc, int32_t flags, mode_t mode,
-                                 fd_t *fd, dict_t *params);
+                                 mode_t umask, fd_t *fd, dict_t *xdata);
 
 /* Tell subsequent writes on the fd_t to fsync after every writev fop without
  * requiring a fsync fop.
@@ -499,19 +499,16 @@ typedef int32_t (*fop_create_t) (call_frame_t *frame, xlator_t *this,
  */
 #define GF_OPEN_NOWB    0x02
 
-typedef int32_t (*fop_open_t) (call_frame_t *frame,
-                               xlator_t *this,
-                               loc_t *loc,
-                               int32_t flags,
-                               fd_t *fd,
-                               int32_t wbflags);
+typedef int32_t (*fop_open_t) (call_frame_t *frame, xlator_t *this,
+                               loc_t *loc, int32_t flags,
+                               fd_t *fd, dict_t *xdata);
 
 typedef int32_t (*fop_readv_t) (call_frame_t *frame,
                                 xlator_t *this,
                                 fd_t *fd,
                                 size_t size,
                                 off_t offset,
-                                uint32_t flags);
+                                uint32_t flags, dict_t *xdata);
 
 typedef int32_t (*fop_writev_t) (call_frame_t *frame,
                                  xlator_t *this,
@@ -520,131 +517,131 @@ typedef int32_t (*fop_writev_t) (call_frame_t *frame,
                                  int32_t count,
                                  off_t offset,
                                  uint32_t flags,
-                                 struct iobref *iobref);
+                                 struct iobref *iobref, dict_t *xdata);
 
 typedef int32_t (*fop_flush_t) (call_frame_t *frame,
                                 xlator_t *this,
-                                fd_t *fd);
+                                fd_t *fd, dict_t *xdata);
 
 typedef int32_t (*fop_fsync_t) (call_frame_t *frame,
                                 xlator_t *this,
                                 fd_t *fd,
-                                int32_t datasync);
+                                int32_t datasync, dict_t *xdata);
 
 typedef int32_t (*fop_opendir_t) (call_frame_t *frame,
                                   xlator_t *this,
                                   loc_t *loc,
-                                  fd_t *fd);
+                                  fd_t *fd, dict_t *xdata);
 
 typedef int32_t (*fop_fsyncdir_t) (call_frame_t *frame,
                                    xlator_t *this,
                                    fd_t *fd,
-                                   int32_t datasync);
+                                   int32_t datasync, dict_t *xdata);
 
 typedef int32_t (*fop_statfs_t) (call_frame_t *frame,
                                  xlator_t *this,
-                                 loc_t *loc);
+                                 loc_t *loc, dict_t *xdata);
 
 typedef int32_t (*fop_setxattr_t) (call_frame_t *frame,
                                    xlator_t *this,
                                    loc_t *loc,
                                    dict_t *dict,
-                                   int32_t flags);
+                                   int32_t flags, dict_t *xdata);
 
 typedef int32_t (*fop_getxattr_t) (call_frame_t *frame,
                                    xlator_t *this,
                                    loc_t *loc,
-                                   const char *name);
+                                   const char *name, dict_t *xdata);
 
 typedef int32_t (*fop_fsetxattr_t) (call_frame_t *frame,
                                     xlator_t *this,
                                     fd_t *fd,
                                     dict_t *dict,
-                                    int32_t flags);
+                                    int32_t flags, dict_t *xdata);
 
 typedef int32_t (*fop_fgetxattr_t) (call_frame_t *frame,
                                     xlator_t *this,
                                     fd_t *fd,
-                                    const char *name);
+                                    const char *name, dict_t *xdata);
 
 typedef int32_t (*fop_removexattr_t) (call_frame_t *frame,
                                       xlator_t *this,
                                       loc_t *loc,
-                                      const char *name);
+                                      const char *name, dict_t *xdata);
 
 typedef int32_t (*fop_fremovexattr_t) (call_frame_t *frame,
                                        xlator_t *this,
                                        fd_t *fd,
-                                       const char *name);
+                                       const char *name, dict_t *xdata);
 
 typedef int32_t (*fop_lk_t) (call_frame_t *frame,
                              xlator_t *this,
                              fd_t *fd,
                              int32_t cmd,
-                             struct gf_flock *flock);
+                             struct gf_flock *flock, dict_t *xdata);
 
 typedef int32_t (*fop_inodelk_t) (call_frame_t *frame,
                                   xlator_t *this,
                                   const char *volume,
                                   loc_t *loc,
                                   int32_t cmd,
-                                  struct gf_flock *flock);
+                                  struct gf_flock *flock, dict_t *xdata);
 
 typedef int32_t (*fop_finodelk_t) (call_frame_t *frame,
                                    xlator_t *this,
                                    const char *volume,
                                    fd_t *fd,
                                    int32_t cmd,
-                                   struct gf_flock *flock);
+                                   struct gf_flock *flock, dict_t *xdata);
 
 typedef int32_t (*fop_entrylk_t) (call_frame_t *frame,
                                   xlator_t *this,
                                   const char *volume, loc_t *loc,
                                   const char *basename, entrylk_cmd cmd,
-                                  entrylk_type type);
+                                  entrylk_type type, dict_t *xdata);
 
 typedef int32_t (*fop_fentrylk_t) (call_frame_t *frame,
                                    xlator_t *this,
                                    const char *volume, fd_t *fd,
                                    const char *basename, entrylk_cmd cmd,
-                                   entrylk_type type);
+                                   entrylk_type type, dict_t *xdata);
 
 typedef int32_t (*fop_readdir_t) (call_frame_t *frame,
                                   xlator_t *this,
                                   fd_t *fd,
                                   size_t size,
-                                  off_t offset);
+                                  off_t offset, dict_t *xdata);
 
 typedef int32_t (*fop_readdirp_t) (call_frame_t *frame,
                                    xlator_t *this,
                                    fd_t *fd,
                                    size_t size,
                                    off_t offset,
-                                   dict_t *dict);
+                                   dict_t *xdata);
 
 typedef int32_t (*fop_xattrop_t) (call_frame_t *frame,
                                   xlator_t *this,
                                   loc_t *loc,
                                   gf_xattrop_flags_t optype,
-                                  dict_t *xattr);
+                                  dict_t *xattr, dict_t *xdata);
 
 typedef int32_t (*fop_fxattrop_t) (call_frame_t *frame,
                                    xlator_t *this,
                                    fd_t *fd,
                                    gf_xattrop_flags_t optype,
-                                   dict_t *xattr);
+                                   dict_t *xattr, dict_t *xdata);
 
 typedef int32_t (*fop_setattr_t) (call_frame_t *frame,
                                   xlator_t *this,
                                   loc_t *loc,
                                   struct iatt *stbuf,
-                                  int32_t valid);
+                                  int32_t valid, dict_t *xdata);
 
 typedef int32_t (*fop_fsetattr_t) (call_frame_t *frame,
                                    xlator_t *this,
                                    fd_t *fd,
                                    struct iatt *stbuf,
-                                   int32_t valid);
+                                   int32_t valid, dict_t *xdata);
 
 
 struct xlator_fops {