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[SCSI] scsi_debug: protect device access with atomic_rw lock
authorAkinobu Mita <akinobu.mita@gmail.com>
Wed, 26 Feb 2014 13:57:03 +0000 (22:57 +0900)
committerJames Bottomley <JBottomley@Parallels.com>
Wed, 19 Mar 2014 22:04:30 +0000 (15:04 -0700)
commit6c78cc06583344244628bf29aa5b5fe43ff5d04e
tree6ef80001e2fe6f27993cb708003092acf5ebd771tree | snapshot
parentbe4e11be99dbb36308760595ee848ef51713b4b0commit | diff
[SCSI] scsi_debug: protect device access with atomic_rw lock

This change ensures that concurrent device access including ramdisk
storage, protection info, and provisioning map by read, write, and
unmap commands are protected with atomic_rw spinlock.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Reviewed-by: Douglas Gilbert <dgilbert@interlog.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
drivers/scsi/scsi_debug.c diff | blob | history
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