From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Wed, 26 Feb 2014 13:57:03 +0000 (+0900)
Subject: [SCSI] scsi_debug: protect device access with atomic_rw lock
X-Git-Tag: v3.15-rc1~136^2~25
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6c78cc06583344244628bf29aa5b5fe43ff5d04e;p=pandora-kernel.git

[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>
---

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