Merge branch 'for-2.6.38/core' of git://git.kernel.dk/linux-2.6-block

* 'for-2.6.38/core' of git://git.kernel.dk/linux-2.6-block: (43 commits)
  block: ensure that completion error gets properly traced
  blktrace: add missing probe argument to block_bio_complete
  block cfq: don't use atomic_t for cfq_group
  block cfq: don't use atomic_t for cfq_queue
  block: trace event block fix unassigned field
  block: add internal hd part table references
  block: fix accounting bug on cross partition merges
  kref: add kref_test_and_get
  bio-integrity: mark kintegrityd_wq highpri and CPU intensive
  block: make kblockd_workqueue smarter
  Revert "sd: implement sd_check_events()"
  block: Clean up exit_io_context() source code.
  Fix compile warnings due to missing removal of a 'ret' variable
  fs/block: type signature of major_to_index(int) to major_to_index(unsigned)
  block: convert !IS_ERR(p) && p to !IS_ERR_NOR_NULL(p)
  cfq-iosched: don't check cfqg in choose_service_tree()
  fs/splice: Pull buf->ops->confirm() from splice_from_pipe actors
  cdrom: export cdrom_check_events()
  sd: implement sd_check_events()
  sr: implement sr_check_events()
  ...

1 files changed, 7 insertions, 5 deletions

diff --git a/include/trace/events/block.h b/include/trace/events/block.h
index d8ce278515c3..aba421d68f6f 100644
--- a/include/trace/events/block.h
+++ b/include/trace/events/block.h
@@ -206,15 +206,16 @@ TRACE_EVENT(block_bio_bounce,
  * block_bio_complete - completed all work on the block operation
  * @q: queue holding the block operation
  * @bio: block operation completed
+ * @error: io error value
  *
  * This tracepoint indicates there is no further work to do on this
  * block IO operation @bio.
  */
 TRACE_EVENT(block_bio_complete,
 
-        TP_PROTO(struct request_queue *q, struct bio *bio),
+        TP_PROTO(struct request_queue *q, struct bio *bio, int error),
 
-        TP_ARGS(q, bio),
+        TP_ARGS(q, bio, error),
 
         TP_STRUCT__entry(
                 __field( dev_t,         dev             )
@@ -228,6 +229,7 @@ TRACE_EVENT(block_bio_complete,
                 __entry->dev            = bio->bi_bdev->bd_dev;
                 __entry->sector         = bio->bi_sector;
                 __entry->nr_sector      = bio->bi_size >> 9;
+                __entry->error          = error;
                 blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
         ),
 
@@ -486,16 +488,16 @@ TRACE_EVENT(block_split,
 );
 
 /**
- * block_remap - map request for a partition to the raw device
+ * block_bio_remap - map request for a logical device to the raw device
  * @q: queue holding the operation
  * @bio: revised operation
  * @dev: device for the operation
  * @from: original sector for the operation
  *
- * An operation for a partition on a block device has been mapped to the
+ * An operation for a logical device has been mapped to the
  * raw block device.
  */
-TRACE_EVENT(block_remap,
+TRACE_EVENT(block_bio_remap,
 
         TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev,
                  sector_t from),