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Commit bace9248 authored by Tahsin Erdogan's avatar Tahsin Erdogan Committed by Linus Torvalds
Browse files

fs/fs-writeback.c: remove redundant if check 

b_more_io non-empty check is already preceded by an opposite check.

Link: http://lkml.kernel.org/r/1478591249-30641-1-git-send-email-tahsin@google.com


Signed-off-by: default avatarTahsin Erdogan <tahsin@google.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent c70b647d

fs/fs-writeback.c

+7 −9
Original line number Original line Diff line number Diff line
@@ -1769,7 +1769,6 @@ static long wb_writeback(struct bdi_writeback *wb, 
		 * become available for writeback. Otherwise

		 * become available for writeback. Otherwise

		 * we'll just busyloop.

		 * we'll just busyloop.

		 */

		 */

		if (!list_empty(&wb->b_more_io))  {

		trace_writeback_wait(wb, work);

		trace_writeback_wait(wb, work);

		inode = wb_inode(wb->b_more_io.prev);

		inode = wb_inode(wb->b_more_io.prev);

		spin_lock(&inode->i_lock);

		spin_lock(&inode->i_lock);
@@ -1778,7 +1777,6 @@ static long wb_writeback(struct bdi_writeback *wb, 
		inode_sleep_on_writeback(inode);

		inode_sleep_on_writeback(inode);

		spin_lock(&wb->list_lock);

		spin_lock(&wb->list_lock);

	}

	}

	}

	spin_unlock(&wb->list_lock);

	spin_unlock(&wb->list_lock);

	blk_finish_plug(&plug);

	blk_finish_plug(&plug);