ocfs2: Add support of decrementing refcount for delete.

    Given a physical cpos and length, decrement the refcount
in the tree. If the refcount for any portion of the extent goes
to zero, that portion is queued for freeing.

Signed-off-by: Tao Ma <tao.ma@oracle.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index 2c8ce32adf01..9dd68cd7b0ad 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -6522,9 +6522,9 @@ ocfs2_find_per_slot_free_list(int type,
         return fl;
 }
 
-static int ocfs2_cache_block_dealloc(struct ocfs2_cached_dealloc_ctxt *ctxt,
-                                     int type, int slot, u64 blkno,
-                                     unsigned int bit)
+int ocfs2_cache_block_dealloc(struct ocfs2_cached_dealloc_ctxt *ctxt,
+                              int type, int slot, u64 blkno,
+                              unsigned int bit)
 {
         int ret;
         struct ocfs2_per_slot_free_list *fl;