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, 27 insertions, 25 deletions

diff --git a/xlators/features/read-only/src/read-only-common.h b/xlators/features/read-only/src/read-only-common.h
index 8c89e88ce..0a3f7dceb 100644
--- a/xlators/features/read-only/src/read-only-common.h
+++ b/xlators/features/read-only/src/read-only-common.h
@@ -27,97 +27,99 @@
 
 int32_t
 ro_xattrop (call_frame_t *frame, xlator_t *this, loc_t *loc,
-            gf_xattrop_flags_t flags, dict_t *dict);
+            gf_xattrop_flags_t flags, dict_t *dict, dict_t *xdata);
 
 int32_t
 ro_fxattrop (call_frame_t *frame, xlator_t *this,
-             fd_t *fd, gf_xattrop_flags_t flags, dict_t *dict);
+             fd_t *fd, gf_xattrop_flags_t flags, dict_t *dict, dict_t *xdata);
 
 int32_t
 ro_entrylk (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);
 
 int32_t
 ro_fentrylk (call_frame_t *frame, xlator_t *this, const char *volume,
              fd_t *fd, const char *basename, entrylk_cmd cmd, entrylk_type
-             type);
+             type, dict_t *xdata);
 
 int32_t
 ro_inodelk (call_frame_t *frame, xlator_t *this, const char *volume,
-            loc_t *loc, int32_t cmd, struct gf_flock *lock);
+            loc_t *loc, int32_t cmd, struct gf_flock *lock, dict_t *xdata);
 
 int32_t
 ro_finodelk (call_frame_t *frame, xlator_t *this, const char *volume,
-             fd_t *fd, int32_t cmd, struct gf_flock *lock);
+             fd_t *fd, int32_t cmd, struct gf_flock *lock, dict_t *xdata);
 
 int32_t
 ro_lk (call_frame_t *frame, xlator_t *this, fd_t *fd, int cmd,
-       struct gf_flock *flock);
+       struct gf_flock *flock, dict_t *xdata);
 
 int32_t
 ro_setattr (call_frame_t *frame, xlator_t *this, loc_t *loc,
-            struct iatt *stbuf, int32_t valid);
+            struct iatt *stbuf, int32_t valid, dict_t *xdata);
 
 int32_t
 ro_fsetattr (call_frame_t *frame, xlator_t *this, fd_t *fd,
-             struct iatt *stbuf, int32_t valid);
+             struct iatt *stbuf, int32_t valid, dict_t *xdata);
 
 
 int32_t
-ro_truncate (call_frame_t *frame, xlator_t *this, loc_t *loc, off_t offset);
+ro_truncate (call_frame_t *frame, xlator_t *this, loc_t *loc, off_t offset, dict_t *xdata);
 
 int32_t
-ro_ftruncate (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset);
+ro_ftruncate (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset, dict_t *xdata);
 
 int
 ro_mknod (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
-          dev_t rdev, dict_t *params);
+          dev_t rdev, mode_t umask, dict_t *xdata);
 
 int
 ro_mkdir (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
-          dict_t *params);
+          mode_t umask, dict_t *xdata);
 
 int32_t
-ro_unlink (call_frame_t *frame, xlator_t *this, loc_t *loc);
+ro_unlink (call_frame_t *frame, xlator_t *this, loc_t *loc, int xflag,
+           dict_t *xdata);
 
 int
-ro_rmdir (call_frame_t *frame, xlator_t *this, loc_t *loc, int flags);
+ro_rmdir (call_frame_t *frame, xlator_t *this, loc_t *loc, int flags,
+          dict_t *xdata);
 
 
 int
 ro_symlink (call_frame_t *frame, xlator_t *this, const char *linkpath,
-            loc_t *loc, dict_t *params);
+            loc_t *loc, mode_t umask, dict_t *xdata);
 
 int32_t
-ro_rename (call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc);
+ro_rename (call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc, dict_t *xdata);
 
 int32_t
-ro_link (call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc);
+ro_link (call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc, dict_t *xdata);
 
 int32_t
 ro_create (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
-           mode_t mode, fd_t *fd, dict_t *params);
+           mode_t mode, mode_t umask, fd_t *fd, dict_t *xdata);
 
 int32_t
 ro_open (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
-         fd_t *fd, int32_t wbflags);
+         fd_t *fd, dict_t *xdata);
 
 int32_t
 ro_fsetxattr (call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *dict,
-              int32_t flags);
+              int32_t flags, dict_t *xdata);
 
 int32_t
-ro_fsyncdir (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t flags);
+ro_fsyncdir (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t flags, dict_t *xdata);
 
 int32_t
 ro_writev (call_frame_t *frame, xlator_t *this, fd_t *fd, struct iovec *vector,
-           int32_t count, off_t off, uint32_t flags, struct iobref *iobref);
+           int32_t count, off_t off, uint32_t flags, struct iobref *iobref, dict_t *xdata);
 
 int32_t
 ro_setxattr (call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *dict,
-             int32_t flags);
+             int32_t flags, dict_t *xdata);
 
 int32_t
 ro_removexattr (call_frame_t *frame, xlator_t *this, loc_t *loc,
-                const char *name);
+                const char *name, dict_t *xdata);