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ocfs2: Add functions for extents refcounted.

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Add function ocfs2_mark_extent_refcounted which can mark
an extent refcounted.

Signed-off-by: Tao Ma <tao.ma@oracle.com>
This commit is contained in:
Tao Ma
2009-08-18 11:28:39 +08:00
committed by Joel Becker
parent 1823cb0b9f
commit 1aa75fea64
4 changed files with 58 additions and 6 deletions
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6
fs/ocfs2/alloc.h
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@@ -128,6 +128,12 @@ int ocfs2_mark_extent_written(struct inode *inode,
handle_t *handle, u32 cpos, u32 len, u32 phys,
struct ocfs2_alloc_context *meta_ac,
struct ocfs2_cached_dealloc_ctxt *dealloc);
int ocfs2_change_extent_flag(handle_t *handle,
struct ocfs2_extent_tree *et,
u32 cpos, u32 len, u32 phys,
struct ocfs2_alloc_context *meta_ac,
struct ocfs2_cached_dealloc_ctxt *dealloc,
int new_flags, int clear_flags);
int ocfs2_remove_extent(handle_t *handle, struct ocfs2_extent_tree *et,
u32 cpos, u32 len,
struct ocfs2_alloc_context *meta_ac,