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-rw-r--r--fs/f2fs/f2fs.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index e849f83d6114..0a6e115562f6 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -561,6 +561,8 @@ struct f2fs_nm_info {
struct mutex build_lock; /* lock for build free nids */
unsigned char (*free_nid_bitmap)[NAT_ENTRY_BITMAP_SIZE];
unsigned char *nat_block_bitmap;
+ unsigned short *free_nid_count; /* free nid count of NAT block */
+ spinlock_t free_nid_lock; /* protect updating of nid count */
/* for checkpoint */
char *nat_bitmap; /* NAT bitmap pointer */