On 02/03/2017 09:54 AM, Hannes Reinecke wrote:
The 'reserved' page array is used as a short-cut for mapping
data, saving us to allocate pages per request.
However, the 'reserved' array is only capable of holding one
request, so we need to protect it against concurrent accesses.

Cc: [email protected]
Reported-by: Dmitry Vyukov <[email protected]>
Link: http://www.spinics.net/lists/linux-scsi/msg104326.html
Signed-off-by: Hannes Reinecke <[email protected]>
Tested-by: Johannes Thumshirn <[email protected]>
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Reviewed-by: Johannes Thumshirn <[email protected]>

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