From: Jens Axboe <axboe@fb.com>
Date: Wed, 19 Mar 2014 21:25:02 +0000 (-0600)
Subject: blk-mq: fix wrong usage of hctx->state vs hctx->flags
X-Git-Tag: v3.15-rc1~135^2~6
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5d12f905cc50c0810628d0deedd478ec2db48659;p=pandora-kernel.git

blk-mq: fix wrong usage of hctx->state vs hctx->flags

BLK_MQ_F_* flags are for hctx->flags, and are non-atomic and
set at registration time. BLK_MQ_S_* flags are dynamic and
atomic, and are accessed through hctx->state.

Some of the BLK_MQ_S_STOPPED uses were wrong. Additionally,
the header file should not use a bit shift for the _S_ flags,
as they are done through the set/test_bit functions.

Signed-off-by: Jens Axboe <axboe@fb.com>
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