1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index ba54c834a590..2755d5c6da22 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -118,6 +118,7 @@ enum rq_flag_bits {
         __REQ_COPY_USER,        /* contains copies of user pages */
         __REQ_INTEGRITY,        /* integrity metadata has been remapped */
         __REQ_NOIDLE,           /* Don't anticipate more IO after this one */
+        __REQ_IO_STAT,          /* account I/O stat */
         __REQ_NR_BITS,          /* stops here */
 };
 
@@ -145,6 +146,7 @@ enum rq_flag_bits {
 #define REQ_COPY_USER   (1 << __REQ_COPY_USER)
 #define REQ_INTEGRITY   (1 << __REQ_INTEGRITY)
 #define REQ_NOIDLE      (1 << __REQ_NOIDLE)
+#define REQ_IO_STAT     (1 << __REQ_IO_STAT)
 
 #define BLK_MAX_CDB     16
 
@@ -598,6 +600,7 @@ enum {
                                  blk_failfast_transport(rq) ||  \
                                  blk_failfast_driver(rq))
 #define blk_rq_started(rq)      ((rq)->cmd_flags & REQ_STARTED)
+#define blk_rq_io_stat(rq)      ((rq)->cmd_flags & REQ_IO_STAT)
 
 #define blk_account_rq(rq)      (blk_rq_started(rq) && (blk_fs_request(rq) || blk_discard_rq(rq)))