UBI: remove redundant mutex

The @mult_mutex does not serve any purpose. We already have
@volumes_mutex and it is enough. The @volume mutex is pushed
down to the 'ubi_rename_volumes()', because we want first
to open all volumes in the exclusive mode, and then lock the
mutex, just like all other ioctl's (remove, re-size, etc) do.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>

1 files changed, 0 insertions, 2 deletions

diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h
index c055511bb1b2..485c73f850c1 100644
--- a/drivers/mtd/ubi/ubi.h
+++ b/drivers/mtd/ubi/ubi.h
@@ -366,7 +366,6 @@ struct ubi_wl_entry;
  * @peb_buf2: another buffer of PEB size used for different purposes
  * @buf_mutex: protects @peb_buf1 and @peb_buf2
  * @ckvol_mutex: serializes static volume checking when opening
- * @mult_mutex: serializes operations on multiple volumes, like re-naming
  * @dbg_peb_buf: buffer of PEB size used for debugging
  * @dbg_buf_mutex: protects @dbg_peb_buf
  */
@@ -444,7 +443,6 @@ struct ubi_device {
         void *peb_buf2;
         struct mutex buf_mutex;
         struct mutex ckvol_mutex;
-        struct mutex mult_mutex;
 #ifdef CONFIG_MTD_UBI_DEBUG
         void *dbg_peb_buf;
         struct mutex dbg_buf_mutex;