1 files changed, 2 insertions, 1 deletions

diff --git a/fs/affs/affs.h b/fs/affs/affs.h
index 223b1917093e..e9ec915f7553 100644
--- a/fs/affs/affs.h
+++ b/fs/affs/affs.h
@@ -2,6 +2,7 @@
 #include <linux/fs.h>
 #include <linux/buffer_head.h>
 #include <linux/amigaffs.h>
+#include <linux/mutex.h>
 
 /* AmigaOS allows file names with up to 30 characters length.
  * Names longer than that will be silently truncated. If you
@@ -98,7 +99,7 @@ struct affs_sb_info {
         gid_t s_gid;                    /* gid to override */
         umode_t s_mode;                 /* mode to override */
         struct buffer_head *s_root_bh;  /* Cached root block. */
-        struct semaphore s_bmlock;      /* Protects bitmap access. */
+        struct mutex s_bmlock;          /* Protects bitmap access. */
         struct affs_bm_info *s_bitmap;  /* Bitmap infos. */
         u32 s_bmap_count;               /* # of bitmap blocks. */
         u32 s_bmap_bits;                /* # of bits in one bitmap blocks */