From: Nicholas Bellinger <nab@linux-iscsi.org>
Date: Sat, 8 Jun 2013 00:47:46 +0000 (-0700)
Subject: vhost/scsi: Convert to per-cpu ida_alloc + ida_free command map
X-Git-Tag: v3.12-rc1~23^2~39
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4824d3bfb9097ac59cf7633c0bc4fb7c5b549a80;p=pandora-kernel.git

vhost/scsi: Convert to per-cpu ida_alloc + ida_free command map

This patch changes vhost/scsi to use transport_init_session_tags()
pre-allocation logic for per-cpu session tag pooling with internal
ida_alloc() + ida_free() calls based upon the saved se_cmd->map_tag id.

FIXME: Make transport_init_session_tags() number of tags setup
configurable per vring client setting via configfs

v5 changes:
 - Convert to percpu_ida.h include

v3 changes:
 - Update to percpu-ida usage
 - Rebase to v3.11-rc5 code

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