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Subject[PATCH] Move some REQ flags to bio area

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@linux.intel.com>

diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index 46ad519..c10bdc3 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_UNPLUG, /* unplug the immediately after submission */
@@ -136,7 +140,6 @@ 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 */
@@ -147,10 +150,8 @@ 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_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 */
};

--
Matthew Wilcox Intel Open Source Technology Centre
"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours. We can't possibly take such
a retrograde step."


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