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authorChristoph Hellwig <hch@lst.de>2015-11-07 08:39:28 (GMT)
committerJens Axboe <axboe@fb.com>2015-12-22 16:38:34 (GMT)
commitbbc758ec04c2f30805ce0fcdfbaa4c3445fafbae (patch)
treec21b3c256ba04e5ea21d34f3eeb1a24694e906f3
parentf4800d6d1548e0d5ab94f2216d41d94282e2588c (diff)
downloadlinux-bbc758ec04c2f30805ce0fcdfbaa4c3445fafbae.tar.xz
block: remove REQ_NO_TIMEOUT flag
This was added for the 'magic' AEN requests in the NVMe driver that never return. We now handle them purely inside the driver and don't need this core hack any more. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Jens Axboe <axboe@fb.com>
-rw-r--r--block/blk-mq.c2
-rw-r--r--block/blk-timeout.c3
-rw-r--r--include/linux/blk_types.h2
3 files changed, 0 insertions, 7 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 9cb2894..8f812b4 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -603,8 +603,6 @@ static void blk_mq_check_expired(struct blk_mq_hw_ctx *hctx,
blk_mq_complete_request(rq, -EIO);
return;
}
- if (rq->cmd_flags & REQ_NO_TIMEOUT)
- return;
if (time_after_eq(jiffies, rq->deadline)) {
if (!blk_mark_rq_complete(rq))
diff --git a/block/blk-timeout.c b/block/blk-timeout.c
index dd4fdfb..a30441a 100644
--- a/block/blk-timeout.c
+++ b/block/blk-timeout.c
@@ -197,9 +197,6 @@ void blk_add_timer(struct request *req)
struct request_queue *q = req->q;
unsigned long expiry;
- if (req->cmd_flags & REQ_NO_TIMEOUT)
- return;
-
/* blk-mq has its own handler, so we don't need ->rq_timed_out_fn */
if (!q->mq_ops && !q->rq_timed_out_fn)
return;
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index 0fb6584..86a38ea 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -188,7 +188,6 @@ enum rq_flag_bits {
__REQ_PM, /* runtime pm request */
__REQ_HASHED, /* on IO scheduler merge hash */
__REQ_MQ_INFLIGHT, /* track inflight for MQ */
- __REQ_NO_TIMEOUT, /* requests may never expire */
__REQ_NR_BITS, /* stops here */
};
@@ -242,7 +241,6 @@ enum rq_flag_bits {
#define REQ_PM (1ULL << __REQ_PM)
#define REQ_HASHED (1ULL << __REQ_HASHED)
#define REQ_MQ_INFLIGHT (1ULL << __REQ_MQ_INFLIGHT)
-#define REQ_NO_TIMEOUT (1ULL << __REQ_NO_TIMEOUT)
typedef unsigned int blk_qc_t;
#define BLK_QC_T_NONE -1U