| Message ID | 20200526195123.29053-2-axboe@kernel.dk (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add support for async buffered reads | expand |
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index ccb895f911b1..c296463c15eb 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -374,7 +374,8 @@ enum req_flag_bits { #define REQ_INTEGRITY (1ULL << __REQ_INTEGRITY) #define REQ_FUA (1ULL << __REQ_FUA) #define REQ_PREFLUSH (1ULL << __REQ_PREFLUSH) -#define REQ_RAHEAD (1ULL << __REQ_RAHEAD) +#define REQ_RAHEAD \ + ((1ULL << __REQ_RAHEAD) | (1ULL << __REQ_NOWAIT)) #define REQ_BACKGROUND (1ULL << __REQ_BACKGROUND) #define REQ_NOWAIT (1ULL << __REQ_NOWAIT) #define REQ_CGROUP_PUNT (1ULL << __REQ_CGROUP_PUNT)
As read-ahead is opportunistic, don't block for request allocation. Signed-off-by: Jens Axboe <axboe@kernel.dk> --- include/linux/blk_types.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)