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Date: Sun, 15 Nov 2015 01:45:45 +0000 From: Ben Hutchings <ben@...adent.org.uk> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org CC: akpm@...ux-foundation.org, "Jes Sorensen" <Jes.Sorensen@...hat.com>, "NeilBrown" <neilb@...e.com> Subject: [PATCH 3.2 16/60] md/raid0: apply base queue limits *before* disk_stack_limits 3.2.73-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: NeilBrown <neilb@...e.com> commit 66eefe5de11db1e0d8f2edc3880d50e7c36a9d43 upstream. Calling e.g. blk_queue_max_hw_sectors() after calls to disk_stack_limits() discards the settings determined by disk_stack_limits(). So we need to make those calls first. Fixes: 199dc6ed5179 ("md/raid0: update queue parameter in a safer location.") Reported-by: Jes Sorensen <Jes.Sorensen@...hat.com> Signed-off-by: NeilBrown <neilb@...e.com> [bwh: Backported to 3.2: the code being moved looks a little different] Signed-off-by: Ben Hutchings <ben@...adent.org.uk> --- --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -358,16 +358,17 @@ static int raid0_run(struct mddev *mddev } conf = mddev->private; - list_for_each_entry(rdev, &mddev->disks, same_set) { - disk_stack_limits(mddev->gendisk, rdev->bdev, - rdev->data_offset << 9); - } blk_queue_max_hw_sectors(mddev->queue, mddev->chunk_sectors); blk_queue_io_min(mddev->queue, mddev->chunk_sectors << 9); blk_queue_io_opt(mddev->queue, (mddev->chunk_sectors << 9) * mddev->raid_disks); + list_for_each_entry(rdev, &mddev->disks, same_set) { + disk_stack_limits(mddev->gendisk, rdev->bdev, + rdev->data_offset << 9); + } + /* calculate array device size */ md_set_array_sectors(mddev, raid0_size(mddev, 0, 0)); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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