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Commit 254c8c2d authored by Dave Chinner's avatar Dave Chinner Committed by Linus Torvalds
Browse files

xfs: remove nr_to_write writeback windup. 



Now that the background flush code has been fixed, we shouldn't need to
silently multiply the wbc->nr_to_write to get good writeback. Remove
that code.

Signed-off-by: default avatarDave Chinner <dchinner@redhat.com>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 0b564927

fs/xfs/linux-2.6/xfs_aops.c

+0 −8
Original line number Original line Diff line number Diff line
@@ -1381,14 +1381,6 @@ xfs_vm_writepage( 
	if (!page_has_buffers(page))

	if (!page_has_buffers(page))

		create_empty_buffers(page, 1 << inode->i_blkbits, 0);

		create_empty_buffers(page, 1 << inode->i_blkbits, 0);







	/*

	 *  VM calculation for nr_to_write seems off.  Bump it way

	 *  up, this gets simple streaming writes zippy again.

	 *  To be reviewed again after Jens' writeback changes.

	 */

	wbc->nr_to_write *= 4;



	/*

	/*

	 * Convert delayed allocate, unwritten or unmapped space

	 * Convert delayed allocate, unwritten or unmapped space

	 * to real space and flush out to disk.

	 * to real space and flush out to disk.