David Woodhouse d30a2605be Add BLKDISCARD ioctl to allow userspace to discard sectors ... We may well want mkfs tools to use this to mark the whole device as unwanted before they format it, for example. The ioctl takes a pair of uint64_ts, which are start offset and length in _bytes_. Although at the moment it might make sense for them both to be in 512-byte sectors, I don't want to limit the ABI to that. Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>		2008-10-09 08:56:02 +02:00
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Kconfig	block: Block layer data integrity support	2008-07-03 13:21:13 +02:00
Kconfig.iosched	update I/O sched Kconfig help texts - CFQ is now default, not AS.	2007-02-17 20:08:22 +01:00
Makefile	allow userspace to modify scsi command filter on per device basis	2008-07-03 13:21:14 +02:00
as-iosched.c	Use WARN() in block/	2008-07-26 12:00:07 -07:00
blk-barrier.c	Use WRITE_BARRIER in blkdev_issue_flush(), not (1<<BIO_RW_BARRIER)	2008-10-09 08:56:02 +02:00
blk-core.c	Add 'discard' request handling	2008-10-09 08:56:01 +02:00
blk-exec.c	block: unexport blk_end_sync_rq	2008-07-15 21:21:45 +02:00
blk-integrity.c	block: integrity flags can't use bit ops on unsigned short	2008-07-03 13:21:15 +02:00
blk-ioc.c	cfq-iosched: fix RCU race in the cfq io_context destructor handling	2008-05-07 09:28:57 +02:00
blk-map.c	block/blk-map.c: use the new object_is_on_stack() helper	2008-07-26 12:00:02 -07:00
blk-merge.c	block: Block layer data integrity support	2008-07-03 13:21:13 +02:00
blk-settings.c	Add 'discard' request handling	2008-10-09 08:56:01 +02:00
blk-sysfs.c	block: sysfs store function needs to grab queue_lock and use queue_flag_*()	2008-05-07 09:09:39 +02:00
blk-tag.c	block: remove unused ->busy part of the block queue tag map	2008-08-27 09:50:19 +02:00
blk.h	block: Block layer data integrity support	2008-07-03 13:21:13 +02:00
blktrace.c	blktrace: simplify flags handling in __blk_add_trace	2008-10-09 08:56:01 +02:00
bsg.c	block: move cmdfilter from gendisk to request_queue	2008-08-27 09:50:19 +02:00
cfq-iosched.c	cfq-iosched: get rid of enable_idle being unused warning	2008-07-03 13:21:14 +02:00
cmd-filter.c	block: disable sysfs parts of the disk command filter	2008-09-11 14:20:23 +02:00
compat_ioctl.c	Add BLKDISCARD ioctl to allow userspace to discard sectors	2008-10-09 08:56:02 +02:00
deadline-iosched.c	block: let elv_register() return void	2007-12-18 08:29:28 +01:00
elevator.c	block: request_module(): use format string	2008-07-03 13:21:15 +02:00
genhd.c	block: restore original behavior of /proc/partition when there's no partition	2008-09-01 08:55:10 +02:00
ioctl.c	Add BLKDISCARD ioctl to allow userspace to discard sectors	2008-10-09 08:56:02 +02:00
noop-iosched.c	block: let elv_register() return void	2007-12-18 08:29:28 +01:00
scsi_ioctl.c	SG_IO block filter whitelist missing MMC SET READ AHEAD command	2008-10-09 08:56:00 +02:00