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-rw-r--r--include/linux/blkdev.h66
1 files changed, 1 insertions, 65 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 3ecd28ef9ba4..3fc0f5908619 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -84,70 +84,6 @@ enum {
84 REQ_LB_OP_FLUSH = 0x41, /* flush request */ 84 REQ_LB_OP_FLUSH = 0x41, /* flush request */
85}; 85};
86 86
87/*
88 * request type modified bits. first four bits match BIO_RW* bits, important
89 */
90enum rq_flag_bits {
91 __REQ_RW, /* not set, read. set, write */
92 __REQ_FAILFAST_DEV, /* no driver retries of device errors */
93 __REQ_FAILFAST_TRANSPORT, /* no driver retries of transport errors */
94 __REQ_FAILFAST_DRIVER, /* no driver retries of driver errors */
95 /* above flags must match BIO_RW_* */
96 __REQ_DISCARD, /* request to discard sectors */
97 __REQ_SORTED, /* elevator knows about this request */
98 __REQ_SOFTBARRIER, /* may not be passed by ioscheduler */
99 __REQ_HARDBARRIER, /* may not be passed by drive either */
100 __REQ_FUA, /* forced unit access */
101 __REQ_NOMERGE, /* don't touch this for merging */
102 __REQ_STARTED, /* drive already may have started this one */
103 __REQ_DONTPREP, /* don't call prep for this one */
104 __REQ_QUEUED, /* uses queueing */
105 __REQ_ELVPRIV, /* elevator private data attached */
106 __REQ_FAILED, /* set if the request failed */
107 __REQ_QUIET, /* don't worry about errors */
108 __REQ_PREEMPT, /* set for "ide_preempt" requests */
109 __REQ_ORDERED_COLOR, /* is before or after barrier */
110 __REQ_RW_SYNC, /* request is sync (sync write or read) */
111 __REQ_ALLOCED, /* request came from our alloc pool */
112 __REQ_RW_META, /* metadata io request */
113 __REQ_COPY_USER, /* contains copies of user pages */
114 __REQ_INTEGRITY, /* integrity metadata has been remapped */
115 __REQ_NOIDLE, /* Don't anticipate more IO after this one */
116 __REQ_IO_STAT, /* account I/O stat */
117 __REQ_MIXED_MERGE, /* merge of different types, fail separately */
118 __REQ_NR_BITS, /* stops here */
119};
120
121#define REQ_RW (1 << __REQ_RW)
122#define REQ_FAILFAST_DEV (1 << __REQ_FAILFAST_DEV)
123#define REQ_FAILFAST_TRANSPORT (1 << __REQ_FAILFAST_TRANSPORT)
124#define REQ_FAILFAST_DRIVER (1 << __REQ_FAILFAST_DRIVER)
125#define REQ_DISCARD (1 << __REQ_DISCARD)
126#define REQ_SORTED (1 << __REQ_SORTED)
127#define REQ_SOFTBARRIER (1 << __REQ_SOFTBARRIER)
128#define REQ_HARDBARRIER (1 << __REQ_HARDBARRIER)
129#define REQ_FUA (1 << __REQ_FUA)
130#define REQ_NOMERGE (1 << __REQ_NOMERGE)
131#define REQ_STARTED (1 << __REQ_STARTED)
132#define REQ_DONTPREP (1 << __REQ_DONTPREP)
133#define REQ_QUEUED (1 << __REQ_QUEUED)
134#define REQ_ELVPRIV (1 << __REQ_ELVPRIV)
135#define REQ_FAILED (1 << __REQ_FAILED)
136#define REQ_QUIET (1 << __REQ_QUIET)
137#define REQ_PREEMPT (1 << __REQ_PREEMPT)
138#define REQ_ORDERED_COLOR (1 << __REQ_ORDERED_COLOR)
139#define REQ_RW_SYNC (1 << __REQ_RW_SYNC)
140#define REQ_ALLOCED (1 << __REQ_ALLOCED)
141#define REQ_RW_META (1 << __REQ_RW_META)
142#define REQ_COPY_USER (1 << __REQ_COPY_USER)
143#define REQ_INTEGRITY (1 << __REQ_INTEGRITY)
144#define REQ_NOIDLE (1 << __REQ_NOIDLE)
145#define REQ_IO_STAT (1 << __REQ_IO_STAT)
146#define REQ_MIXED_MERGE (1 << __REQ_MIXED_MERGE)
147
148#define REQ_FAILFAST_MASK (REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT | \
149 REQ_FAILFAST_DRIVER)
150
151#define BLK_MAX_CDB 16 87#define BLK_MAX_CDB 16
152 88
153/* 89/*
@@ -631,7 +567,7 @@ enum {
631 */ 567 */
632static inline bool rw_is_sync(unsigned int rw_flags) 568static inline bool rw_is_sync(unsigned int rw_flags)
633{ 569{
634 return !(rw_flags & REQ_RW) || (rw_flags & REQ_RW_SYNC); 570 return !(rw_flags & REQ_WRITE) || (rw_flags & REQ_SYNC);
635} 571}
636 572
637static inline bool rq_is_sync(struct request *rq) 573static inline bool rq_is_sync(struct request *rq)