UTC | #3ĭrivers/block/loop.c | 29 +++++++++++++++++++++++++++-ġ file changed, 27 insertions(+), 2 deletions(-)ĭiff -git a/drivers/block/loop.c b/drivers/block/loop.Best Golf Drivers For Seniors Review TaylorMade Men’s RBZ Black Driver Happens if we do need to flush out dirty data? Looks fine to me, my only worry would be verifying that we're fine calling

Lo->lo_sizelimit != info->lo_sizelimit) > + > blk_mq_unfreeze_queue(lo->lo_queue) > return 0 If we don't drop caches used in old offset or block_size, we can get old dataįrom new offset/block_size, which gives unexpected data to user.įor example, Martijn found a loopback bug in the below scenario.ġ) LOOP_SET_FD loads first two pages on loop fileĢ) LOOP_SET_STATUS64 changes the offset on the loop fileģ) mount is failed due to the cached pages having wrong superblockĭrivers/block/loop.c | 15 +++++++++++++++ĭiff -git a/drivers/block/loop.c b/drivers/block/loop.c To: Jaegeuk Kim, Jens Axboe loop: drop caches if offset is changed PVLFZAgVuwdxmzynryAXyN8JKLtTjr1L/KwfM94g= INVfXqkD+A84fA+ooyfeVIOF6GYlZRX1X1nwn9PMqTYHEIa7vALfLPLFidfmwnJPEn (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))īy (Postfix) with ESMTPSA id 113EB2080F ĭKIM-Signature: v=1 a=rsa-sha256 c=relaxed/simple d= īh=pRgCTIOsiEvEuttqrH8YrexzH/2Tl0/O+NJvbjuss00= ī=zYZchJJ/wTQAq2nqnpMKRyi/o/mWnQnaIy/hj606dBPVi+0mUiZTPrlyr+O5j4KO2 Received: from ( )īy mail.wl. (Postfix) with ESMTP id 09D322D844 X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED,ĭKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham

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New offset drivers for 2018