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, 39 insertions, 28 deletions

diff --git a/xlators/nfs/server/src/nfs3.c b/xlators/nfs/server/src/nfs3.c
index 69cd3f786..75375f369 100644
--- a/xlators/nfs/server/src/nfs3.c
+++ b/xlators/nfs/server/src/nfs3.c
@@ -713,7 +713,8 @@ nfs3svc_getattr_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
 
 int32_t
 nfs3svc_getattr_stat_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
-                          int32_t op_ret, int32_t op_errno, struct iatt *buf)
+                          int32_t op_ret, int32_t op_errno, struct iatt *buf,
+                          dict_t *xdata)
 {
         nfsstat3                status = NFS3_OK;
         nfs3_call_state_t       *cs = NULL;
@@ -875,7 +876,7 @@ nfs3_setattr_reply (rpcsvc_request_t *req, nfsstat3 stat, struct iatt *preop,
 int32_t
 nfs3svc_truncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
                       int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
-                      struct iatt *postbuf)
+                      struct iatt *postbuf, dict_t *xdata)
 {
         nfsstat3                stat = NFS3ERR_SERVERFAULT;
         struct iatt             *prestat = NULL;
@@ -913,7 +914,7 @@ nfs3err:
 int32_t
 nfs3svc_setattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
                      int32_t op_ret, int32_t op_errno, struct iatt *preop,
-                     struct iatt *postop)
+                     struct iatt *postop, dict_t *xdata)
 {
         nfsstat3                stat = NFS3ERR_SERVERFAULT;
         int                     ret = -1;
@@ -967,7 +968,8 @@ nfs3err:
 
 int32_t
 nfs3svc_setattr_stat_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
-                          int32_t op_ret, int32_t op_errno, struct iatt *buf)
+                          int32_t op_ret, int32_t op_errno, struct iatt *buf,
+                          dict_t *xdata)
 {
 
         int                     ret = -EFAULT;
@@ -1479,7 +1481,7 @@ nfs3_access_reply (rpcsvc_request_t *req, nfsstat3 status, int32_t accbits)
 
 int32_t
 nfs3svc_access_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, dict_t *xdata)
 {
         nfsstat3                status = NFS3_OK;
         nfs3_call_state_t       *cs = NULL;
@@ -1616,7 +1618,7 @@ nfs3_readlink_reply (rpcsvc_request_t *req, nfsstat3 stat, char *path,
 int32_t
 nfs3svc_readlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
                       int32_t op_ret, int32_t op_errno, const char *path,
-                      struct iatt *buf)
+                      struct iatt *buf, dict_t *xdata)
 {
         nfsstat3                stat = NFS3ERR_SERVERFAULT;
         nfs3_call_state_t       *cs = NULL;
@@ -1781,7 +1783,8 @@ nfs3_read_reply (rpcsvc_request_t *req, nfsstat3 stat, count3 count,
 int32_t
 nfs3svc_read_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 iatt *stbuf, struct iobref *iobref)
+                  int32_t count, struct iatt *stbuf, struct iobref *iobref,
+                  dict_t *xdata)
 {
         nfsstat3                stat = NFS3ERR_SERVERFAULT;
         int                     is_eof = 0;
@@ -1965,7 +1968,7 @@ nfs3_write_reply (rpcsvc_request_t *req, nfsstat3 stat, count3 count,
 int32_t
 nfs3svc_write_fsync_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
                          int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
-                         struct iatt *postbuf)
+                         struct iatt *postbuf, dict_t *xdata)
 {
         struct nfs3_state       *nfs3 = NULL;
         nfsstat3                stat = NFS3ERR_SERVERFAULT;
@@ -2061,7 +2064,7 @@ err:
 int32_t
 nfs3svc_write_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
                    int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
-                   struct iatt *postbuf)
+                   struct iatt *postbuf, dict_t *xdata)
 {
         nfsstat3                stat = NFS3ERR_SERVERFAULT;
         int                     ret = -EFAULT;
@@ -2326,7 +2329,7 @@ nfs3_create_reply (rpcsvc_request_t *req, nfsstat3 stat, struct nfs3_fh *newfh,
 int32_t
 nfs3svc_create_setattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
                             int32_t op_ret, int32_t op_errno,
-                            struct iatt *preop, struct iatt *postop)
+                            struct iatt *preop, struct iatt *postop, dict_t *xdata)
 {
         nfsstat3                stat = NFS3ERR_SERVERFAULT;
         nfs3_call_state_t       *cs = NULL;
@@ -2356,7 +2359,7 @@ int32_t
 nfs3svc_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 iatt *buf, struct iatt *preparent,
-                    struct iatt *postparent)
+                    struct iatt *postparent, dict_t *xdata)
 {
         nfsstat3                stat = NFS3ERR_SERVERFAULT;
         int                     ret = -EFAULT;
@@ -2459,7 +2462,8 @@ nfs3_create_common (nfs3_call_state_t *cs)
 
 int32_t
 nfs3svc_create_stat_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
-                         int32_t op_ret, int32_t op_errno, struct iatt *buf)
+                         int32_t op_ret, int32_t op_errno, struct iatt *buf,
+                         dict_t *xdata)
 {
         int                     ret = -EFAULT;
         nfsstat3                stat = NFS3ERR_SERVERFAULT;
@@ -2684,7 +2688,7 @@ nfs3_mkdir_reply (rpcsvc_request_t *req, nfsstat3 stat, struct nfs3_fh *fh,
 int32_t
 nfs3svc_mkdir_setattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
                            int32_t op_ret, int32_t op_errno,
-                           struct iatt *preop, struct iatt *postop)
+                           struct iatt *preop, struct iatt *postop, dict_t *xdata)
 {
         nfsstat3                stat = NFS3ERR_SERVERFAULT;
         nfs3_call_state_t       *cs = NULL;
@@ -2714,7 +2718,7 @@ int32_t
 nfs3svc_mkdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
                    int32_t op_ret, int32_t op_errno, inode_t *inode,
                    struct iatt *buf, struct iatt *preparent,
-                   struct iatt *postparent)
+                   struct iatt *postparent, dict_t *xdata)
 {
         nfsstat3                        stat = NFS3ERR_SERVERFAULT;
         int                             ret = -EFAULT;
@@ -2894,7 +2898,7 @@ int32_t
 nfs3svc_symlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
                      int32_t op_ret, int32_t op_errno, inode_t *inode,
                      struct iatt *buf, struct iatt *preparent,
-                     struct iatt *postparent)
+                     struct iatt *postparent, dict_t *xdata)
 {
         nfsstat3                        stat = NFS3ERR_SERVERFAULT;
         nfs3_call_state_t               *cs = NULL;
@@ -3056,7 +3060,7 @@ nfs3_mknod_reply (rpcsvc_request_t *req, nfsstat3 stat, struct nfs3_fh *fh,
 int32_t
 nfs3svc_mknod_setattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
                            int32_t op_ret, int32_t op_errno,
-                           struct iatt *preop, struct iatt *postop)
+                           struct iatt *preop, struct iatt *postop, dict_t *xdata)
 {
         nfsstat3                stat = NFS3ERR_SERVERFAULT;
         nfs3_call_state_t       *cs = NULL;
@@ -3086,7 +3090,7 @@ int32_t
 nfs3svc_mknod_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
                    int32_t op_ret, int32_t op_errno, inode_t *inode,
                    struct iatt *buf, struct iatt *preparent,
-                   struct iatt *postparent)
+                   struct iatt *postparent, dict_t *xdata)
 {
         nfsstat3                        stat = NFS3ERR_SERVERFAULT;
         int                             ret = -1;
@@ -3346,7 +3350,7 @@ nfs3_remove_reply (rpcsvc_request_t *req, nfsstat3 stat, struct iatt *preparent
 int32_t
 nfs3svc_remove_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
                     int32_t op_ret, int32_t op_errno, struct iatt *preparent,
-                    struct iatt *postparent)
+                    struct iatt *postparent, dict_t *xdata)
 {
         nfsstat3                stat = NFS3ERR_SERVERFAULT;
         nfs3_call_state_t       *cs = NULL;
@@ -3512,7 +3516,7 @@ nfs3_rmdir_reply (rpcsvc_request_t *req, nfsstat3 stat, struct iatt *preparent,
 int32_t
 nfs3svc_rmdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
                    int32_t op_ret, int32_t op_errno, struct iatt *preparent,
-                   struct iatt *postparent)
+                   struct iatt *postparent, dict_t *xdata)
 {
         nfsstat3                stat = NFS3ERR_SERVERFAULT;
         nfs3_call_state_t       *cs = NULL;
@@ -3664,7 +3668,8 @@ int32_t
 nfs3svc_rename_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
                     int32_t op_ret, int32_t op_errno, struct iatt *buf,
                     struct iatt *preoldparent, struct iatt *postoldparent,
-                    struct iatt *prenewparent, struct iatt *postnewparent)
+                    struct iatt *prenewparent, struct iatt *postnewparent,
+                    dict_t *xdata)
 {
         int                     ret = -EFAULT;
         nfsstat3                stat = NFS3ERR_SERVERFAULT;
@@ -3870,7 +3875,7 @@ int32_t
 nfs3svc_link_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
                   int32_t op_ret, int32_t op_errno, inode_t *inode,
                   struct iatt *buf, struct iatt *preparent,
-                  struct iatt *postparent)
+                  struct iatt *postparent, dict_t *xdata)
 {
         nfsstat3                stat = NFS3ERR_SERVERFAULT;
         nfs3_call_state_t       *cs = NULL;
@@ -4079,7 +4084,8 @@ nfs3_readdir_reply (rpcsvc_request_t *req, nfsstat3 stat, struct nfs3_fh *dirfh,
 
 int32_t
 nfs3svc_readdir_fstat_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
-                           int32_t op_ret, int32_t op_errno, struct iatt *buf)
+                           int32_t op_ret, int32_t op_errno, struct iatt *buf,
+                           dict_t *xdata)
 {
         nfsstat3                stat = NFS3ERR_SERVERFAULT;
         int                     is_eof = 0;
@@ -4132,7 +4138,8 @@ nfs3err:
 
 int32_t
 nfs3svc_readdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
-                     int32_t op_ret, int32_t op_errno, gf_dirent_t *entries)
+                     int32_t op_ret, int32_t op_errno, gf_dirent_t *entries,
+                     dict_t *xdata)
 {
         nfsstat3                stat = NFS3ERR_SERVERFAULT;
         int                     ret = -EFAULT;
@@ -4439,7 +4446,8 @@ nfs3_fsstat_reply (rpcsvc_request_t *req, nfsstat3 stat, struct statvfs *fsbuf,
 
 int32_t
 nfs3_fsstat_stat_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
-                      int32_t op_ret, int32_t op_errno, struct iatt *buf)
+                      int32_t op_ret, int32_t op_errno, struct iatt *buf,
+                      dict_t *xdata)
 {
         nfsstat3                stat = NFS3ERR_SERVERFAULT;
         nfs3_call_state_t       *cs = NULL;
@@ -4463,7 +4471,8 @@ nfs3_fsstat_stat_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
 
 int32_t
 nfs3_fsstat_statfs_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
-                        int32_t op_ret, int32_t op_errno, struct statvfs *buf)
+                        int32_t op_ret, int32_t op_errno, struct statvfs *buf,
+                        dict_t *xdata)
 {
         nfs_user_t              nfu = {0, };
         int                     ret = -EFAULT;
@@ -4623,7 +4632,8 @@ nfs3_fsinfo_reply (rpcsvc_request_t *req, nfsstat3 status, struct iatt *fsroot)
 
 int32_t
 nfs3svc_fsinfo_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
-                    int32_t op_ret, int32_t op_errno, struct iatt *buf)
+                    int32_t op_ret, int32_t op_errno, struct iatt *buf,
+                    dict_t *xdata)
 {
         nfsstat3                status = NFS3ERR_SERVERFAULT;
         nfs3_call_state_t       *cs = NULL;
@@ -4764,7 +4774,8 @@ nfs3_pathconf_reply (rpcsvc_request_t *req, nfsstat3 stat, struct iatt *buf)
 
 int32_t
 nfs3svc_pathconf_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
-                      int32_t op_ret, int32_t op_errno, struct iatt *buf)
+                      int32_t op_ret, int32_t op_errno, struct iatt *buf,
+                      dict_t *xdata)
 {
         struct iatt             *sbuf = NULL;
         nfs3_call_state_t       *cs = NULL;
@@ -4908,7 +4919,7 @@ nfs3_commit_reply (rpcsvc_request_t *req, nfsstat3 stat, uint64_t wverf,
 
 int32_t
 nfs3svc_commit_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, dict_t *xdata)
 {
         nfsstat3                stat = NFS3ERR_SERVERFAULT;
         nfs3_call_state_t       *cs = NULL;