linux-kernel - [PATCH 1/2] Move some REQ flags to the common bio/request area

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Message-Id: <1312957924-2316-1-git-send-email-namhyung@gmail.com>
Date:	Wed, 10 Aug 2011 15:32:03 +0900
From:	Namhyung Kim <namhyung@...il.com>
To:	Jens Axboe <jaxboe@...ionio.com>
Cc:	Christoph Hellwig <hch@....de>, Jeff Moyer <jmoyer@...hat.com>,
	linux-kernel@...r.kernel.org,
	Matthew Wilcox <willy@...ux.intel.com>
Subject: [PATCH 1/2] Move some REQ flags to the common bio/request area

From: Matthew Wilcox <willy@...ux.intel.com>

REQ_SECURE, REQ_FLUSH and REQ_FUA may all be set on a bio as well as
on a request, so relocate them to the shared part of the enum.

Signed-off-by: Matthew Wilcox <willy@...ux.intel.com>
Signed-off-by: Namhyung Kim <namhyung@...il.com>
---
 include/linux/blk_types.h |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index 6395692b2e7a..32f0076e844b 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -125,7 +125,11 @@ enum rq_flag_bits {
 	__REQ_SYNC,		/* request is sync (sync write or read) */
 	__REQ_META,		/* metadata io request */
 	__REQ_DISCARD,		/* request to discard sectors */
+	__REQ_SECURE,		/* secure discard (used with __REQ_DISCARD) */
+
 	__REQ_NOIDLE,		/* don't anticipate more IO after this one */
+	__REQ_FUA,		/* forced unit access */
+	__REQ_FLUSH,		/* request for cache flush */
 
 	/* bio only flags */
 	__REQ_RAHEAD,		/* read ahead, can fail anytime */
@@ -135,7 +139,6 @@ enum rq_flag_bits {
 	/* request only flags */
 	__REQ_SORTED,		/* elevator knows about this request */
 	__REQ_SOFTBARRIER,	/* may not be passed by ioscheduler */
-	__REQ_FUA,		/* forced unit access */
 	__REQ_NOMERGE,		/* don't touch this for merging */
 	__REQ_STARTED,		/* drive already may have started this one */
 	__REQ_DONTPREP,		/* don't call prep for this one */
@@ -146,11 +149,9 @@ enum rq_flag_bits {
 	__REQ_PREEMPT,		/* set for "ide_preempt" requests */
 	__REQ_ALLOCED,		/* request came from our alloc pool */
 	__REQ_COPY_USER,	/* contains copies of user pages */
-	__REQ_FLUSH,		/* request for cache flush */
 	__REQ_FLUSH_SEQ,	/* request for flush sequence */
 	__REQ_IO_STAT,		/* account I/O stat */
 	__REQ_MIXED_MERGE,	/* merge of different types, fail separately */
-	__REQ_SECURE,		/* secure discard (used with __REQ_DISCARD) */
 	__REQ_NR_BITS,		/* stops here */
 };
 
-- 
1.7.6

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