libglusterfsclient: add glusterfs_umount_all.

- unmounts all the entries in the vmplist.
  - this api helps booster to cleanup all the mounts in a single call.

Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

2 files changed, 23 insertions, 0 deletions

diff --git a/libglusterfsclient/src/libglusterfsclient.c b/libglusterfsclient/src/libglusterfsclient.c
index 26d9a5234dc..8dc63a6eb64 100755
--- a/libglusterfsclient/src/libglusterfsclient.c
+++ b/libglusterfsclient/src/libglusterfsclient.c
@@ -1483,6 +1483,25 @@ out:
         return ret;
 }
 
+int
+glusterfs_umount_all (void)
+{
+        struct vmp_entry *entry = NULL, *tmp = NULL;
+
+        pthread_mutex_lock (&lock);
+        {
+                list_for_each_entry_safe (entry, tmp, &vmplist.list, list) {
+                        /* even if there are errors, continue with other
+                           mounts
+                        */
+                        _libgf_umount (entry->vmp);
+                }
+        }
+        pthread_mutex_unlock (&lock);
+        
+        return 0;
+}
+
 void
 glusterfs_reset (void)
 {
diff --git a/libglusterfsclient/src/libglusterfsclient.h b/libglusterfsclient/src/libglusterfsclient.h
index a2c9a0fa5f2..9e03a8c59ac 100755
--- a/libglusterfsclient/src/libglusterfsclient.h
+++ b/libglusterfsclient/src/libglusterfsclient.h
@@ -199,6 +199,10 @@ int
 glusterfs_umount (char *vmp);
 
 
+/* glusterfs_umount_all unmounts all the mounts */
+int
+glusterfs_umount_all (void);
+
 
 /* For smaller files, application can use just
  * glusterfs_get/glusterfs_get_async