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authorJens Axboe <axboe@kernel.dk>2018-01-10 11:30:56 -0700
committerJens Axboe <axboe@kernel.dk>2018-01-10 11:47:43 -0700
commit76a86f9d027b342b8759a4b2f9f7fe046e284220 (patch)
tree05037d9a7d2b1057a01202fc989295e0f2ac51c2 /include
parent5d75d3f2e736d6c8be79b677e10edb6af1bf7ed6 (diff)
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block: remove REQ_ATOM_POLL_SLEPT
We don't need this to be an atomic flag, it can be a regular flag. We either end up on the same CPU for the polling, in which case the state is sane, or we did the sleep which would imply the needed barrier to ensure we see the right state. Reviewed-by: Bart Van Assche <bart.vanassche@wdc.com> Reviewed-by: Omar Sandoval <osandov@fb.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include')
-rw-r--r--include/linux/blkdev.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 007a7cf1f262..ba31674d8581 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -127,6 +127,8 @@ typedef __u32 __bitwise req_flags_t;
#define RQF_ZONE_WRITE_LOCKED ((__force req_flags_t)(1 << 19))
/* timeout is expired */
#define RQF_MQ_TIMEOUT_EXPIRED ((__force req_flags_t)(1 << 20))
+/* already slept for hybrid poll */
+#define RQF_MQ_POLL_SLEPT ((__force req_flags_t)(1 << 21))
/* flags that prevent us from merging requests: */
#define RQF_NOMERGE_FLAGS \