[PATCH 10/14] block: remove BLK_EH_HANDLED
From: Christoph Hellwig <hch@lst.de>
Date: 2018-05-23 12:19:37
Subsystem:
block layer, documentation, the rest · Maintainers:
Jens Axboe, Jonathan Corbet, Linus Torvalds
Signed-off-by: Christoph Hellwig <hch@lst.de> --- Documentation/scsi/scsi_eh.txt | 11 ----------- block/blk-mq.c | 3 --- block/blk-timeout.c | 3 --- include/linux/blkdev.h | 1 - 4 files changed, 18 deletions(-)
diff --git a/Documentation/scsi/scsi_eh.txt b/Documentation/scsi/scsi_eh.txt
index 3ae8419e72cf..1b7436932a2b 100644
--- a/Documentation/scsi/scsi_eh.txt
+++ b/Documentation/scsi/scsi_eh.txt@@ -82,17 +82,6 @@ function 1. invokes optional hostt->eh_timed_out() callback. Return value can be one of - - BLK_EH_HANDLED - This indicates that eh_timed_out() dealt with the timeout. - The command is passed back to the block layer and completed - via __blk_complete_requests(). - - *NOTE* After returning BLK_EH_HANDLED the SCSI layer is - assumed to be finished with the command, and no other - functions from the SCSI layer will be called. So this - should typically only be returned if the eh_timed_out() - handler raced with normal completion. - - BLK_EH_RESET_TIMER This indicates that more time is required to finish the command. Timer is restarted. This action is counted as a
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 546acc8cb201..22ab2a148a9b 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c@@ -844,9 +844,6 @@ static void blk_mq_rq_timed_out(struct request *req, bool reserved) ret = ops->timeout(req, reserved); switch (ret) { - case BLK_EH_HANDLED: - __blk_mq_complete_request(req); - break; case BLK_EH_RESET_TIMER: /* * As nothing prevents from completion happening while
diff --git a/block/blk-timeout.c b/block/blk-timeout.c
index 3c622335811f..aae8f233341b 100644
--- a/block/blk-timeout.c
+++ b/block/blk-timeout.c@@ -86,9 +86,6 @@ static void blk_rq_timed_out(struct request *req) if (q->rq_timed_out_fn) ret = q->rq_timed_out_fn(req); switch (ret) { - case BLK_EH_HANDLED: - __blk_complete_request(req); - break; case BLK_EH_RESET_TIMER: blk_add_timer(req); blk_clear_rq_complete(req);
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index ba0844c176f2..3d9d4da4dedd 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h@@ -338,7 +338,6 @@ typedef void (exit_rq_fn)(struct request_queue *, struct request *); enum blk_eh_timer_return { BLK_EH_DONE, - BLK_EH_HANDLED, BLK_EH_RESET_TIMER, };
--
2.17.0