syncop: Provide syncop_ftw and syncop_dir_scan utils

ftw provides file tree walk.
dir_scan does just a readdir not readdirp.

Also changed Afr's self-heal-daemon's crawling functions to use this.
These utils will be used by ec in future to do proactive/full healing.

Change-Id: I05715ddb789592c1b79a71e98f1e8cc29aac5c26
BUG: 1177601
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/9485
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Ravishankar N <ravishankar@redhat.com>
Reviewed-by: Krutika Dhananjay <kdhananj@redhat.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>

1 files changed, 20 insertions, 12 deletions

diff --git a/libglusterfs/src/gf-dirent.c b/libglusterfs/src/gf-dirent.c
index 3b42a0813d5..f6fd3ab54ee 100644
--- a/libglusterfs/src/gf-dirent.c
+++ b/libglusterfs/src/gf-dirent.c
@@ -67,6 +67,25 @@ gf_dirent_free (gf_dirent_t *entries)
         }
 }
 
+void
+gf_link_inode_from_dirent (xlator_t *this, inode_t *parent, gf_dirent_t *entry)
+{
+        inode_t     *link_inode = NULL;
+        inode_t     *tmp        = NULL;
+
+        if (!entry->inode)
+                return;
+        link_inode = inode_link (entry->inode, parent,
+                                 entry->d_name, &entry->d_stat);
+        if (!link_inode)
+                return;
+
+        inode_lookup (link_inode);
+        tmp = entry->inode;
+        entry->inode = link_inode;
+        inode_unref (tmp);
+}
+
 /* TODO: Currently, with this function, we will be breaking the
    policy of 1-1 mapping of kernel nlookup refs with our inode_t's
    nlookup count.
@@ -77,20 +96,9 @@ gf_link_inodes_from_dirent (xlator_t *this, inode_t *parent,
                             gf_dirent_t *entries)
 {
         gf_dirent_t *entry      = NULL;
-        inode_t     *link_inode = NULL;
-        inode_t     *tmp        = NULL;
 
         list_for_each_entry (entry, &entries->list, list) {
-                if (entry->inode) {
-                        link_inode = inode_link (entry->inode, parent,
-                                                 entry->d_name, &entry->d_stat);
-			if (!link_inode)
-				continue;
-                        inode_lookup (link_inode);
-                        tmp = entry->inode;
-                        entry->inode = link_inode;
-                        inode_unref (tmp);
-                }
+                gf_link_inode_from_dirent (this, parent, entry);
         }
 
         return 0;