Re: [GIT PULL] Block driver changes for 3.20

From: Jens Axboe
Date: Thu Feb 12 2015 - 17:58:50 EST

On 02/12/2015 03:55 PM, Linus Torvalds wrote:
On Thu, Feb 12, 2015 at 2:50 PM, Jens Axboe <axboe@xxxxxx> wrote:

When the code was moved, it also morphed into the sas specific tag
allocation. And the LOWTAG part was for sil24, which doesn't call that code

Hmm. So where does the sil24 get its tag allocation from then? Because
then *that* code presumably needs the LOWTAG hackery..

commit 9269e23496ddd83b974536019cf420520df0ee7f
Author: Shaohua Li <shli@xxxxxx>
Date: Fri Jan 23 20:17:59 2015 -0800

libata: make sata_sil24 use fifo tag allocator

libata starts using block tag now, we can use BLK_TAG_ALLOC_FIFO to
solve the sata_sil24 tag bug.

Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Signed-off-by: Shaohua Li <shli@xxxxxx>
Acked-by: Tejun Heo <tj@xxxxxxxxxx>
Acked-by: Dan Williams <dan.j.williams@xxxxxxxxx>
Signed-off-by: Jens Axboe <axboe@xxxxxx>

Jens Axboe

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