core: get xattrs also as part of readdirp

readdirp_req() call sends a dict_t * as an argument, which
contains all the xattr keys for which the entries got in
readdirp_rsp() are having xattr value filled dictionary.

Change-Id: I8b7e1290740ea3e884e67d19156ce849227167c0
Signed-off-by: Amar Tumballi <amar@gluster.com>
BUG: 765785
Reviewed-on: http://review.gluster.com/771
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@gluster.com>

3 files changed, 46 insertions, 9 deletions

diff --git a/xlators/performance/io-cache/src/io-cache.c b/xlators/performance/io-cache/src/io-cache.c
index 009e7cf28e1..65df006cfe4 100644
--- a/xlators/performance/io-cache/src/io-cache.c
+++ b/xlators/performance/io-cache/src/io-cache.c
@@ -1409,6 +1409,35 @@ ioc_lk (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t cmd,
         return 0;
 }
 
+int
+ioc_readdirp_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+                  int op_ret, int op_errno, gf_dirent_t *entries)
+{
+        gf_dirent_t *entry = NULL;
+
+        if (op_ret <= 0)
+                goto unwind;
+
+        list_for_each_entry (entry, &entries->list, list) {
+                /* TODO: fill things */
+        }
+
+unwind:
+        STACK_UNWIND_STRICT (readdirp, frame, op_ret, op_errno, entries);
+
+        return 0;
+}
+int
+ioc_readdirp (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
+              off_t offset, dict_t *dict)
+{
+        STACK_WIND (frame, ioc_readdirp_cbk,
+                    FIRST_CHILD(this), FIRST_CHILD(this)->fops->readdirp,
+                    fd, size, offset, dict);
+
+        return 0;
+}
+
 int32_t
 ioc_get_priority_list (const char *opt_str, struct list_head *first)
 {
@@ -1924,7 +1953,9 @@ struct xlator_fops fops = {
         .lookup      = ioc_lookup,
         .lk          = ioc_lk,
         .setattr     = ioc_setattr,
-        .mknod       = ioc_mknod
+        .mknod       = ioc_mknod,
+
+        .readdirp    = ioc_readdirp,
 };
 
 
diff --git a/xlators/performance/io-threads/src/io-threads.c b/xlators/performance/io-threads/src/io-threads.c
index d6d0ada23e4..e4077478182 100644
--- a/xlators/performance/io-threads/src/io-threads.c
+++ b/xlators/performance/io-threads/src/io-threads.c
@@ -1840,23 +1840,23 @@ iot_readdirp_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
 
 int
 iot_readdirp_wrapper (call_frame_t *frame, xlator_t *this, fd_t *fd,
-                      size_t size, off_t offset)
+                      size_t size, off_t offset, dict_t *dict)
 {
         STACK_WIND (frame, iot_readdirp_cbk, FIRST_CHILD (this),
-                    FIRST_CHILD (this)->fops->readdirp, fd, size, offset);
+                    FIRST_CHILD (this)->fops->readdirp, fd, size, offset, dict);
         return 0;
 }
 
 
 int
 iot_readdirp (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
-              off_t offset)
+              off_t offset, dict_t *dict)
 {
         call_stub_t     *stub = NULL;
         int             ret = -1;
 
         stub = fop_readdirp_stub (frame, iot_readdirp_wrapper, fd, size,
-                                  offset);
+                                  offset, dict);
         if (!stub) {
                 gf_log (this->private, GF_LOG_ERROR,"cannot get readdir stub"
                         "(out of memory)");
diff --git a/xlators/performance/stat-prefetch/src/stat-prefetch.c b/xlators/performance/stat-prefetch/src/stat-prefetch.c
index 73cc3a955d8..827a9f99d28 100644
--- a/xlators/performance/stat-prefetch/src/stat-prefetch.c
+++ b/xlators/performance/stat-prefetch/src/stat-prefetch.c
@@ -1351,8 +1351,8 @@ out:
 
 
 int32_t
-sp_readdir (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
-            off_t off)
+sp_readdirp (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
+             off_t off, dict_t *dict)
 {
         sp_cache_t *cache    = NULL;
         sp_local_t *local    = NULL;
@@ -1401,7 +1401,7 @@ sp_readdir (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
         }
 
         STACK_WIND (frame, sp_readdir_cbk, FIRST_CHILD(this),
-                    FIRST_CHILD(this)->fops->readdirp, fd, size, off);
+                    FIRST_CHILD(this)->fops->readdirp, fd, size, off, dict);
 
         return 0;
 
@@ -1414,6 +1414,12 @@ unwind:
         return 0;
 }
 
+int32_t
+sp_readdir (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
+            off_t off)
+{
+        return sp_readdirp (frame, this, fd, size, off, NULL);
+}
 
 int32_t
 sp_truncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
@@ -4215,7 +4221,7 @@ out:
 struct xlator_fops fops = {
         .lookup      = sp_lookup,
         .readdir     = sp_readdir,
-        .readdirp    = sp_readdir,
+        .readdirp    = sp_readdirp,
         .open        = sp_open,
         .create      = sp_create,
         .opendir     = sp_opendir,