Tao Ma 293b2f70b4 ocfs2: Integrate CoW in file write. ...

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>

2009-09-22 20:09:37 -07:00

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