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()
  ...

diff --cc block/blk-merge.c
Simple merge

diff --cc block/cfq-iosched.c
Simple merge

diff --cc block/ioctl.c
Simple merge

diff --cc drivers/md/dm-table.c
Simple merge

diff --cc drivers/md/md.c
Simple merge

diff --cc drivers/scsi/scsi_lib.c
Simple merge

diff --cc drivers/scsi/sd.c
index 365024b,8d488a9..b65e65a
--- 1/drivers/scsi/sd.c
--- 2/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@@ -1043,16 -1045,9 +1043,8 @@@ static int sd_media_changed(struct gend
                                              sshdr);
        }
  
-       /*
-        * Unable to test, unit probably not ready.   This usually
-        * means there is no disc in the drive.  Mark as changed,
-        * and we will figure it out later once the drive is
-        * available again.
-        */
-       if (retval || (scsi_sense_valid(sshdr) &&
-                      /* 0x3a is medium not present */
-                      sshdr->asc == 0x3a)) {
+       if (retval) {
                set_media_not_present(sdkp);
 -              retval = 1;
                goto out;
        }
  

diff --cc fs/block_dev.c
Simple merge

diff --cc fs/btrfs/volumes.c
Simple merge

diff --cc fs/btrfs/volumes.h
Simple merge

diff --cc fs/char_dev.c
Simple merge

diff --cc fs/ext3/super.c
Simple merge

diff --cc fs/ext4/super.c
Simple merge

diff --cc fs/gfs2/ops_fstype.c
Simple merge

diff --cc fs/nfsd/vfs.c
Simple merge

diff --cc fs/nilfs2/super.c
Simple merge

diff --cc fs/ocfs2/cluster/heartbeat.c
Simple merge

diff --cc fs/reiserfs/journal.c
Simple merge

diff --cc fs/splice.c
Simple merge

diff --cc fs/super.c
Simple merge

diff --cc fs/xfs/linux-2.6/xfs_super.c
Simple merge

diff --cc include/linux/blkdev.h
Simple merge

diff --cc include/linux/fs.h
Simple merge

diff --cc include/scsi/scsi.h
Simple merge

diff --cc kernel/power/swap.c
Simple merge