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ocfs2: Integrate CoW in file write.
authorTao Ma <tao.ma@oracle.com>
Tue, 25 Aug 2009 00:02:48 +0000 (08:02 +0800)
committerJoel Becker <joel.becker@oracle.com>
Wed, 23 Sep 2009 03:09:37 +0000 (20:09 -0700)
When we use mmap, we CoW the refcountd clusters in
ocfs2_write_begin_nolock. While for normal file
io(including directio), we do CoW in
ocfs2_prepare_inode_for_write.

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

No differences found
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