1 files changed, 5 insertions, 4 deletions

diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h
index 3ea9480bd055..058c84cac8dc 100644
--- a/drivers/mtd/ubi/ubi.h
+++ b/drivers/mtd/ubi/ubi.h
@@ -426,10 +426,11 @@ struct ubi_debug_info {
  * @fm_pool: in-memory data structure of the fastmap pool
  * @fm_wl_pool: in-memory data structure of the fastmap pool used by the WL
  *              sub-system
- * @fm_mutex: serializes ubi_update_fastmap() and protects @fm_buf
+ * @fm_protect: serializes ubi_update_fastmap(), protects @fm_buf and makes sure
+ * that critical sections cannot be interrupted by ubi_update_fastmap()
  * @fm_buf: vmalloc()'d buffer which holds the raw fastmap
  * @fm_size: fastmap size in bytes
- * @fm_sem: allows ubi_update_fastmap() to block EBA table changes
+ * @fm_eba_sem: allows ubi_update_fastmap() to block EBA table changes
  * @fm_work: fastmap work queue
  * @fm_work_scheduled: non-zero if fastmap work was scheduled
  *
@@ -534,8 +535,8 @@ struct ubi_device {
         struct ubi_fastmap_layout *fm;
         struct ubi_fm_pool fm_pool;
         struct ubi_fm_pool fm_wl_pool;
-        struct rw_semaphore fm_sem;
-        struct mutex fm_mutex;
+        struct rw_semaphore fm_eba_sem;
+        struct rw_semaphore fm_protect;
         void *fm_buf;
         size_t fm_size;
         struct work_struct fm_work;