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| author | Tao Ma <tao.ma@oracle.com> | 2009-08-18 11:24:49 +0800 |
|---|---|---|
| committer | Joel Becker <joel.becker@oracle.com> | 2009-09-22 20:09:33 -0700 |
| commit | 1823cb0b9fe5e6d48017ee3f92428f69c0235d87 (patch) | |
| tree | 461e5d6cc255c400acac69dd968fae935a9c073f /fs/ocfs2/alloc.h | |
| parent | e73a819db9c2d6c4065b7cab7374709b6939e8f1 (diff) | |
| download | linux-stable-1823cb0b9fe5e6d48017ee3f92428f69c0235d87.tar.gz linux-stable-1823cb0b9fe5e6d48017ee3f92428f69c0235d87.tar.bz2 linux-stable-1823cb0b9fe5e6d48017ee3f92428f69c0235d87.zip | |
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>
Diffstat (limited to 'fs/ocfs2/alloc.h')
| -rw-r--r-- | fs/ocfs2/alloc.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/ocfs2/alloc.h b/fs/ocfs2/alloc.h index 3f4348923b73..0610ba148ea0 100644 --- a/fs/ocfs2/alloc.h +++ b/fs/ocfs2/alloc.h @@ -202,6 +202,9 @@ static inline void ocfs2_init_dealloc_ctxt(struct ocfs2_cached_dealloc_ctxt *c) } int ocfs2_cache_cluster_dealloc(struct ocfs2_cached_dealloc_ctxt *ctxt, 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); static inline int ocfs2_dealloc_has_cluster(struct ocfs2_cached_dealloc_ctxt *c) { return c->c_global_allocator != NULL; |