Re: [PATCH 1/1] mm/block: convert rw_page users to bio op use

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On 08/04/2016 01:46 PM, Ross Zwisler wrote:
> On Thu, Aug 04, 2016 at 12:17:36PM -0500, Mike Christie wrote:
>> This fixes a regression from
>> 4e1b2d52a80d79296a5d899d73249748dea71a53
>> block, fs, drivers: remove REQ_OP compat defs and related code
>>
>> The rw_page users were not converted to use bio/req ops. As a result
>> bdev_write_page is not passing down REQ_OP_WRITE and the IOs will
>> be sent down as reads.
>>
>> Signed-off-by: Mike Christie <mchristi@xxxxxxxxxx>
> 
> Was the intention for this to fix the xfs.mkfs hang I reported with
> generic/361 + XFS?

The hang when also using loop? If so, you also need Christoph's patches:

http://marc.info/?l=linux-fsdevel&m=147032181909530&w=2
http://marc.info/?l=linux-fsdevel&m=147031989408783&w=2

My patch just fixes rw_page users like brd.
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