From: Nicholas Bellinger <nab@linux-iscsi.org>
Date: Mon, 23 Sep 2013 18:42:28 +0000 (-0700)
Subject: vhost/scsi: Use GFP_ATOMIC with percpu_ida_alloc for obtaining tag
X-Git-Tag: v3.12-rc4~2^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4a47d3a1ff10e564bf04f27ac14552df64f60cdf;p=pandora-kernel.git

vhost/scsi: Use GFP_ATOMIC with percpu_ida_alloc for obtaining tag

Fix GFP_KERNEL -> GFP_ATOMIC usage of percpu_ida_alloc() within
vhost_scsi_get_tag(), as this code is expected to be called directly
from interrupt context.

v2 changes:

  - Handle possible tag < 0 failure with GFP_ATOMIC

Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Asias He <asias@redhat.com>
Cc: Kent Overstreet <kmo@daterainc.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---

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