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authorChristoph Hellwig <hch@lst.de>2017-04-20 16:03:16 +0200
committerJens Axboe <axboe@fb.com>2017-04-20 12:16:10 -0600
commitcaf7df12272118e0274c8353bcfeaf60c7743a47 (patch)
treeab2987b8a4b9e99d72d0ac91c28ef4336ad199c6 /include
parentcee4b7ce3f9161c88f7255a3d73c1c4d5bbabea7 (diff)
block: remove the errors field from struct request
Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Bart Van Assche <Bart.VanAssche@sandisk.com> Acked-by: Roger Pau Monné <roger.pau@citrix.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/blkdev.h2
-rw-r--r--include/trace/events/block.h17
2 files changed, 7 insertions, 12 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index a3dcee624de3..6c4ab0d4a160 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -220,8 +220,6 @@ struct request {
void *special; /* opaque pointer available for LLD use */
- int errors;
-
unsigned int extra_len; /* length of alignment and padding */
unsigned long deadline;
diff --git a/include/trace/events/block.h b/include/trace/events/block.h
index 99ed69fad041..d0dbe60d8a6d 100644
--- a/include/trace/events/block.h
+++ b/include/trace/events/block.h
@@ -80,7 +80,6 @@ TRACE_EVENT(block_rq_requeue,
__field( dev_t, dev )
__field( sector_t, sector )
__field( unsigned int, nr_sector )
- __field( int, errors )
__array( char, rwbs, RWBS_LEN )
__dynamic_array( char, cmd, 1 )
),
@@ -89,7 +88,6 @@ TRACE_EVENT(block_rq_requeue,
__entry->dev = rq->rq_disk ? disk_devt(rq->rq_disk) : 0;
__entry->sector = blk_rq_trace_sector(rq);
__entry->nr_sector = blk_rq_trace_nr_sectors(rq);
- __entry->errors = rq->errors;
blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, blk_rq_bytes(rq));
__get_str(cmd)[0] = '\0';
@@ -99,13 +97,13 @@ TRACE_EVENT(block_rq_requeue,
MAJOR(__entry->dev), MINOR(__entry->dev),
__entry->rwbs, __get_str(cmd),
(unsigned long long)__entry->sector,
- __entry->nr_sector, __entry->errors)
+ __entry->nr_sector, 0)
);
/**
* block_rq_complete - block IO operation completed by device driver
- * @q: queue containing the block operation request
* @rq: block operations request
+ * @error: status code
* @nr_bytes: number of completed bytes
*
* The block_rq_complete tracepoint event indicates that some portion
@@ -116,16 +114,15 @@ TRACE_EVENT(block_rq_requeue,
*/
TRACE_EVENT(block_rq_complete,
- TP_PROTO(struct request_queue *q, struct request *rq,
- unsigned int nr_bytes),
+ TP_PROTO(struct request *rq, int error, unsigned int nr_bytes),
- TP_ARGS(q, rq, nr_bytes),
+ TP_ARGS(rq, error, nr_bytes),
TP_STRUCT__entry(
__field( dev_t, dev )
__field( sector_t, sector )
__field( unsigned int, nr_sector )
- __field( int, errors )
+ __field( int, error )
__array( char, rwbs, RWBS_LEN )
__dynamic_array( char, cmd, 1 )
),
@@ -134,7 +131,7 @@ TRACE_EVENT(block_rq_complete,
__entry->dev = rq->rq_disk ? disk_devt(rq->rq_disk) : 0;
__entry->sector = blk_rq_pos(rq);
__entry->nr_sector = nr_bytes >> 9;
- __entry->errors = rq->errors;
+ __entry->error = error;
blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, nr_bytes);
__get_str(cmd)[0] = '\0';
@@ -144,7 +141,7 @@ TRACE_EVENT(block_rq_complete,
MAJOR(__entry->dev), MINOR(__entry->dev),
__entry->rwbs, __get_str(cmd),
(unsigned long long)__entry->sector,
- __entry->nr_sector, __entry->errors)
+ __entry->nr_sector, __entry->error)
);
DECLARE_EVENT_CLASS(block_rq,