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Commit cbaee472 authored by Tao Ma's avatar Tao Ma Committed by Joel Becker
Browse files

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: default avatarTao Ma <tao.ma@oracle.com>
Signed-off-by: default avatarJoel Becker <joel.becker@oracle.com>
Cc: stable@kernel.org
parent 66b116c9

fs/ocfs2/aops.c

+3 −2
Original line number Diff line number Diff line
@@ -577,8 +577,9 @@ static int ocfs2_direct_IO_get_blocks(struct inode *inode, sector_t iblock, 
		goto bail;

	}



	/* We should already CoW the refcounted extent. */

	BUG_ON(ext_flags & OCFS2_EXT_REFCOUNTED);

	/* We should already CoW the refcounted extent in case of create. */

	BUG_ON(create && (ext_flags & OCFS2_EXT_REFCOUNTED));



	/*

	 * get_more_blocks() expects us to describe a hole by clearing

	 * the mapped bit on bh_result().