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authorTao Ma <tao.ma@oracle.com>2009-08-18 07:29:12 +0400
committerJoel Becker <joel.becker@oracle.com>2009-09-23 07:09:35 +0400
commitbcbbb24a6a5c5b3e7b8e5284e0bfa23f45c32377 (patch)
treee45a6cfd75cd8005fdf280c2f5f57c09186249dd /fs/ocfs2/refcounttree.h
parent1aa75fea64bc26bda9be9b1b20ae253d7a481877 (diff)
downloadlinux-bcbbb24a6a5c5b3e7b8e5284e0bfa23f45c32377.tar.xz
ocfs2: Decrement refcount when truncating refcounted extents.
Add 'Decrement refcount for delete' in to the normal truncate process. So for a refcounted extent record, call refcount rec decrementation instead of cluster free. Signed-off-by: Tao Ma <tao.ma@oracle.com>
Diffstat (limited to 'fs/ocfs2/refcounttree.h')
-rw-r--r--fs/ocfs2/refcounttree.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/ocfs2/refcounttree.h b/fs/ocfs2/refcounttree.h
index ad4b483ec5c7..b8c9ed7dc383 100644
--- a/fs/ocfs2/refcounttree.h
+++ b/fs/ocfs2/refcounttree.h
@@ -45,4 +45,10 @@ int ocfs2_decrease_refcount(struct inode *inode,
handle_t *handle, u32 cpos, u32 len,
struct ocfs2_alloc_context *meta_ac,
struct ocfs2_cached_dealloc_ctxt *dealloc);
+int ocfs2_prepare_refcount_change_for_del(struct inode *inode,
+ struct buffer_head *di_bh,
+ u64 phys_blkno,
+ u32 clusters,
+ int *credits,
+ struct ocfs2_alloc_context **meta_ac);
#endif /* OCFS2_REFCOUNTTREE_H */