summaryrefslogtreecommitdiff
path: root/include/linux
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/blkdev.h7
1 files changed, 4 insertions, 3 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 8936eb6ba609..cee7b44a1425 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -301,6 +301,9 @@ enum {
/* don't modify data until writeback is done */
BLK_FEAT_STABLE_WRITES = (1u << 5),
+
+ /* always completes in submit context */
+ BLK_FEAT_SYNCHRONOUS = (1u << 6),
};
/*
@@ -566,7 +569,6 @@ struct request_queue {
#define QUEUE_FLAG_SAME_COMP 4 /* complete on same CPU-group */
#define QUEUE_FLAG_FAIL_IO 5 /* fake timeout */
#define QUEUE_FLAG_NOXMERGES 9 /* No extended merges */
-#define QUEUE_FLAG_SYNCHRONOUS 11 /* always completes in submit context */
#define QUEUE_FLAG_SAME_FORCE 12 /* force complete on same CPU */
#define QUEUE_FLAG_INIT_DONE 14 /* queue is initialized */
#define QUEUE_FLAG_POLL 16 /* IO polling enabled if set */
@@ -1315,8 +1317,7 @@ static inline bool bdev_nonrot(struct block_device *bdev)
static inline bool bdev_synchronous(struct block_device *bdev)
{
- return test_bit(QUEUE_FLAG_SYNCHRONOUS,
- &bdev_get_queue(bdev)->queue_flags);
+ return bdev->bd_disk->queue->limits.features & BLK_FEAT_SYNCHRONOUS;
}
static inline bool bdev_stable_writes(struct block_device *bdev)