diff options
author | Tomas Henzl <thenzl@redhat.com> | 2014-07-09 13:51:01 +0200 |
---|---|---|
committer | Christoph Hellwig <hch@lst.de> | 2014-07-25 23:17:04 +0200 |
commit | 646cdf0083e3d4a9b995f37b72c3c8a22d9307de (patch) | |
tree | f0730421a40f2037a840489a8afdce0e4b2c1598 /drivers/scsi/pm8001/pm8001_chips.h | |
parent | pm8001: honor return value (diff) | |
download | linux-646cdf0083e3d4a9b995f37b72c3c8a22d9307de.tar.xz linux-646cdf0083e3d4a9b995f37b72c3c8a22d9307de.zip |
pm8001: add a new spinlock to protect the CCB
Patch adds a new spinlock to protect the ccb management.
It may happen that concurrent threads become the same tag value
from the 'alloc' function', the spinlock prevents this situation.
Signed-off-by: Tomas Henzl <thenzl@redhat.com>
Acked-by: Suresh Thiagarajan <Suresh.Thiagarajan@pmcs.com>
Acked-by: Jack Wang <xjtuwjp@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/scsi/pm8001/pm8001_chips.h')
0 files changed, 0 insertions, 0 deletions