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authorIngo Molnar <mingo@elte.hu>2009-01-31 17:32:31 +0100
committerIngo Molnar <mingo@elte.hu>2009-02-05 22:30:01 +0100
commit9d45cf9e36bf9bcf16df6e1cbf049807c8402823 (patch)
tree2118a16701418af10d215d2174df7ee0a5cbe6bd /include/linux/blkdev.h
parenta146649bc19d5eba4f5bfac6720c5f252d517a71 (diff)
parent0cd5c3c80a0ebd68c08312fa7d8c13149cc61c4c (diff)
Merge branch 'x86/urgent' into x86/apic
Conflicts: arch/x86/mach-default/setup.c Semantic merge: arch/x86/kernel/irqinit_32.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/blkdev.h')
-rw-r--r--include/linux/blkdev.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 044467ef7b1..dcaa0fd84b0 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -108,6 +108,7 @@ enum rq_flag_bits {
__REQ_RW_META, /* metadata io request */
__REQ_COPY_USER, /* contains copies of user pages */
__REQ_INTEGRITY, /* integrity metadata has been remapped */
+ __REQ_UNPLUG, /* unplug queue on submission */
__REQ_NR_BITS, /* stops here */
};
@@ -134,6 +135,7 @@ enum rq_flag_bits {
#define REQ_RW_META (1 << __REQ_RW_META)
#define REQ_COPY_USER (1 << __REQ_COPY_USER)
#define REQ_INTEGRITY (1 << __REQ_INTEGRITY)
+#define REQ_UNPLUG (1 << __REQ_UNPLUG)
#define BLK_MAX_CDB 16
@@ -449,6 +451,11 @@ struct request_queue
#define QUEUE_FLAG_STACKABLE 13 /* supports request stacking */
#define QUEUE_FLAG_NONROT 14 /* non-rotational device (SSD) */
#define QUEUE_FLAG_VIRT QUEUE_FLAG_NONROT /* paravirt device */
+#define QUEUE_FLAG_IO_STAT 15 /* do IO stats */
+
+#define QUEUE_FLAG_DEFAULT ((1 << QUEUE_FLAG_IO_STAT) | \
+ (1 << QUEUE_FLAG_CLUSTER) | \
+ (1 << QUEUE_FLAG_STACKABLE))
static inline int queue_is_locked(struct request_queue *q)
{
@@ -565,6 +572,7 @@ enum {
#define blk_queue_stopped(q) test_bit(QUEUE_FLAG_STOPPED, &(q)->queue_flags)
#define blk_queue_nomerges(q) test_bit(QUEUE_FLAG_NOMERGES, &(q)->queue_flags)
#define blk_queue_nonrot(q) test_bit(QUEUE_FLAG_NONROT, &(q)->queue_flags)
+#define blk_queue_io_stat(q) test_bit(QUEUE_FLAG_IO_STAT, &(q)->queue_flags)
#define blk_queue_flushing(q) ((q)->ordseq)
#define blk_queue_stackable(q) \
test_bit(QUEUE_FLAG_STACKABLE, &(q)->queue_flags)