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Martin K. Petersen cd43e26f07 block: Expose stacked device queues in sysfs 
Currently stacking devices do not have a queue directory in sysfs.
However, many of the I/O characteristics like sector size, maximum
request size, etc. are queue properties.

This patch enables the queue directory for MD/DM devices.  The elevator
code has been modified to deal with queues that do not have an I/O
scheduler.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-05-22 23:22:55 +02:00
..
as-iosched.c block: convert to pos and nr_sectors accessors 2009-05-11 09:50:54 +02:00
blk-barrier.c block: Use accessor functions for queue limits 2009-05-22 23:22:54 +02:00
blk-core.c block: Use accessor functions for queue limits 2009-05-22 23:22:54 +02:00
blk-exec.c block: don't set REQ_NOMERGE unnecessarily 2009-04-28 07:37:33 +02:00
blk-integrity.c block: Do away with the notion of hardsect_size 2009-05-22 23:22:54 +02:00
blk-ioc.c
blk-map.c block: Use accessor functions for queue limits 2009-05-22 23:22:54 +02:00
blk-merge.c block: Use accessor functions for queue limits 2009-05-22 23:22:54 +02:00
blk-settings.c block: Move queue limits to an embedded struct 2009-05-22 23:22:55 +02:00
blk-softirq.c generic-ipi: remove CSD_FLAG_WAIT 2009-02-25 14:13:44 +01:00
blk-sysfs.c block: Expose stacked device queues in sysfs 2009-05-22 23:22:55 +02:00
blk-tag.c block: change the tag sync vs async restriction logic 2009-05-20 08:54:31 +02:00
blk-timeout.c block: clean up misc stuff after block layer timeout conversion 2009-04-28 07:37:34 +02:00
blk.h block: Un-export blk_rq_append_bio 2009-05-19 12:14:56 +02:00
bsg.c block: add rq->resid_len 2009-05-11 09:50:53 +02:00
cfq-iosched.c block: drop request->hard_* and *nr_sectors 2009-05-11 09:50:54 +02:00
cmd-filter.c [SCSI] Make scsi.h independent of the rest of the scsi includes 2009-03-12 12:58:13 -05:00
compat_ioctl.c block: Use accessor functions for queue limits 2009-05-22 23:22:54 +02:00
deadline-iosched.c block: convert to pos and nr_sectors accessors 2009-05-11 09:50:54 +02:00
elevator.c block: Expose stacked device queues in sysfs 2009-05-22 23:22:55 +02:00
genhd.c block: include empty disks in /proc/diskstats 2009-04-22 08:35:10 +02:00
ioctl.c block: Use accessor functions for queue limits 2009-05-22 23:22:54 +02:00
Kconfig block: enable by default support for large devices and files on 32-bit archs 2009-04-28 07:37:33 +02:00
Kconfig.iosched
Makefile tracing/blktrace: move the tracing file to kernel/trace 2009-02-09 10:51:02 +01:00
noop-iosched.c
scsi_ioctl.c block: Use accessor functions for queue limits 2009-05-22 23:22:54 +02:00