[PATCH] core: use list_move()

This patch converts the combination of list_del(A) and list_add(A, B) to
list_move(A, B).

Cc: Greg Kroah-Hartman <gregkh@suse.de>
Cc: Ram Pai <linuxram@us.ibm.com>
Signed-off-by: Akinobu Mita <mita@miraclelinux.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 3 insertions, 6 deletions

diff --git a/fs/pnode.c b/fs/pnode.c
index 37b568ed0e05..da42ee61c1df 100644
--- a/fs/pnode.c
+++ b/fs/pnode.c
@@ -53,8 +53,7 @@ static int do_make_slave(struct vfsmount *mnt)
         if (master) {
                 list_for_each_entry(slave_mnt, &mnt->mnt_slave_list, mnt_slave)
                         slave_mnt->mnt_master = master;
-                list_del(&mnt->mnt_slave);
-                list_add(&mnt->mnt_slave, &master->mnt_slave_list);
+                list_move(&mnt->mnt_slave, &master->mnt_slave_list);
                 list_splice(&mnt->mnt_slave_list, master->mnt_slave_list.prev);
                 INIT_LIST_HEAD(&mnt->mnt_slave_list);
         } else {
@@ -283,10 +282,8 @@ static void __propagate_umount(struct vfsmount *mnt)
                  * umount the child only if the child has no
                  * other children
                  */
-                if (child && list_empty(&child->mnt_mounts)) {
-                        list_del(&child->mnt_hash);
-                        list_add_tail(&child->mnt_hash, &mnt->mnt_hash);
-                }
+                if (child && list_empty(&child->mnt_mounts))
+                        list_move_tail(&child->mnt_hash, &mnt->mnt_hash);
         }
 }