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authorChristoph Hellwig <hch@lst.de>2018-05-29 15:52:37 +0200
committerJens Axboe <axboe@kernel.dk>2018-05-29 08:59:21 -0600
commitf6e7d48a780a95a599d7e325f45e9ac208ac6f13 (patch)
tree60a11edf2c2926346c894e31245ef1860984703c
parentlibiscsi: don't try to bypass SCSI EH (diff)
downloadlinux-dev-f6e7d48a780a95a599d7e325f45e9ac208ac6f13.tar.xz
linux-dev-f6e7d48a780a95a599d7e325f45e9ac208ac6f13.zip
block: remove BLK_EH_HANDLED
Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
-rw-r--r--Documentation/scsi/scsi_eh.txt11
-rw-r--r--block/blk-mq.c4
-rw-r--r--block/blk-timeout.c3
-rw-r--r--include/linux/blkdev.h1
4 files changed, 0 insertions, 19 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 42002c2930b0..51edbbb91369 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -777,10 +777,6 @@ static void blk_mq_rq_timed_out(struct request *req, bool reserved)
ret = ops->timeout(req, reserved);
switch (ret) {
- case BLK_EH_HANDLED:
- if (blk_mq_rq_state(req) == MQ_RQ_IN_FLIGHT)
- __blk_mq_complete_request(req);
- break;
case BLK_EH_RESET_TIMER:
blk_add_timer(req);
break;
diff --git a/block/blk-timeout.c b/block/blk-timeout.c
index 11879e98c249..4b8a48d48ba1 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 f82e05df905b..d838a89639f2 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -327,7 +327,6 @@ 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,
};