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ocfs2: Only bug out in direct io write for reflinked extent. 

In ocfs2_direct_IO_get_blocks, we only need to bug out
in case of we are going to write a recounted extent rec.

What a silly bug introduced by me!

Signed-off-by: Tao Ma <tao.ma@oracle.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
Cc: stable@kernel.org
This commit is contained in:
Tao Ma 2010-02-26 10:54:52 +08:00 committed by Joel Becker
parent 66b116c9d8
commit cbaee472f2
1 changed files with 3 additions and 2 deletions
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5
fs/ocfs2/aops.c
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@ -577,8 +577,9 @@ static int ocfs2_direct_IO_get_blocks(struct inode *inode, sector_t iblock,
goto bail; goto bail;
} }
/* We should already CoW the refcounted extent. */ /* We should already CoW the refcounted extent in case of create. */
BUG_ON(ext_flags & OCFS2_EXT_REFCOUNTED); BUG_ON(create && (ext_flags & OCFS2_EXT_REFCOUNTED));
/* /*
* get_more_blocks() expects us to describe a hole by clearing * get_more_blocks() expects us to describe a hole by clearing
* the mapped bit on bh_result(). * the mapped bit on bh_result().