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-rw-r--r--xlators/cluster/dht/src/dht-common.c41
1 files changed, 36 insertions, 5 deletions
diff --git a/xlators/cluster/dht/src/dht-common.c b/xlators/cluster/dht/src/dht-common.c
index d2e1598251b..419815cce4d 100644
--- a/xlators/cluster/dht/src/dht-common.c
+++ b/xlators/cluster/dht/src/dht-common.c
@@ -3046,7 +3046,6 @@ err:
return 0;
}
-
int
dht_readdirp_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
int op_errno, gf_dirent_t *orig_entries, dict_t *xdata)
@@ -3062,7 +3061,9 @@ dht_readdirp_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
dht_layout_t *layout = 0;
dht_conf_t *conf = NULL;
xlator_t *subvol = 0;
+ xlator_t *hashed_subvol = 0;
int ret = 0;
+ int readdir_optimize = 0;
INIT_LIST_HEAD (&entries.list);
prev = cookie;
@@ -3077,18 +3078,48 @@ dht_readdirp_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
layout = local->layout;
+ if (conf->readdir_optimize == _gf_true)
+ readdir_optimize = 1;
+
list_for_each_entry (orig_entry, (&orig_entries->list), list) {
next_offset = orig_entry->d_off;
- if (check_is_dir (NULL, (&orig_entry->d_stat), NULL) &&
- (prev->this != local->first_up_subvol)) {
- continue;
+ if (check_is_dir (NULL, (&orig_entry->d_stat), NULL)) {
+
+ /*Directory entries filtering :
+ * a) If rebalance is running, pick from first_up_subvol
+ * b) (rebalance not running)hashed subvolume is NULL or
+ * down then filter in first_up_subvolume. Other wise the
+ * corresponding hashed subvolume will take care of the
+ * directory entry.
+ */
+
+ if (readdir_optimize) {
+ if (prev->this == local->first_up_subvol)
+ goto list;
+ else
+ continue;
+
+ }
+
+ hashed_subvol = dht_layout_search (this, layout, \
+ orig_entry->d_name);
+
+ if (prev->this == hashed_subvol)
+ goto list;
+ if ((hashed_subvol
+ && dht_subvol_status (conf, hashed_subvol))
+ ||(prev->this != local->first_up_subvol))
+ continue;
+
+ goto list;
}
+
if (check_is_linkfile (NULL, (&orig_entry->d_stat),
orig_entry->dict,
conf->link_xattr_name)) {
continue;
}
-
+list:
entry = gf_dirent_for_name (orig_entry->d_name);
if (!entry) {