From: Christoph Hellwig <hch@lst.de>
Date: Fri, 24 Apr 2015 19:41:01 +0000 (+0200)
Subject: block: remove BIO_EOPNOTSUPP
X-Git-Tag: omap-for-v4.2/fixes-rc1^2~120^2~19
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b25de9d6da49b1a8760a89672283128aa8c78345;p=pandora-kernel.git

block: remove BIO_EOPNOTSUPP

Since the big barrier rewrite/removal in 2007 we never fail FLUSH or
FUA requests, which means we can remove the magic BIO_EOPNOTSUPP flag
to help propagating those to the buffer_head layer.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jeff Moyer <jmoyer@redhat.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@fb.com>
---

diff --git a/block/bounce.c b/block/bounce.c
index ab21ba203d5c..4bac72579c1f 100644
--- a/block/bounce.c
+++ b/block/bounce.c
@@ -128,9 +128,6 @@ static void bounce_end_io(struct bio *bio, mempool_t *pool, int err)
 	struct bio_vec *bvec, *org_vec;
 	int i;
 
-	if (test_bit(BIO_EOPNOTSUPP, &bio->bi_flags))
-		set_bit(BIO_EOPNOTSUPP, &bio_orig->bi_flags);
-
 	/*
 	 * free up bounce indirect pages used
 	 */
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