forked from luck/tmp_suning_uos_patched
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
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@ -577,8 +577,9 @@ static int ocfs2_direct_IO_get_blocks(struct inode *inode, sector_t iblock,
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goto bail;
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}
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/* We should already CoW the refcounted extent. */
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BUG_ON(ext_flags & OCFS2_EXT_REFCOUNTED);
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/* We should already CoW the refcounted extent in case of create. */
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BUG_ON(create && (ext_flags & OCFS2_EXT_REFCOUNTED));
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/*
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* get_more_blocks() expects us to describe a hole by clearing
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* the mapped bit on bh_result().
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