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linux/drivers/md
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Milan Broz 027d50f92e dm io:ctl use constant struct size 
Make size of dm_ioctl struct always 312 bytes on all supported
architectures.

This change retains compatibility with already-compiled code because
it uses an embedded offset to locate the payload that follows the
structure.

On 64-bit architectures there is no change at all; on 32-bit
we are increasing the size of dm-ioctl from 308 to 312 bytes.

Currently with 32-bit userspace / 64-bit kernel on x86_64
some ioctls (including rename, message) are incorrectly rejected
by the comparison against 'param + 1'.  This breaks userspace
lvrename and multipath 'fail_if_no_path' changes, for example.

(BTW Device-mapper uses its own versioning and ignores the ioctl
size bits.  Only the generic ioctl compat code on mixed arches
checks them, and that will continue to accept both sizes for now,
but we intend to list 308 as deprecated and eventually remove it.)

Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Cc: Guido Guenther <agx@sigxcpu.org>
Cc: Kevin Corry <kevcorry@us.ibm.com>
Cc: stable@kernel.org
2007-10-20 02:00:58 +01:00
..
raid6test [PATCH] RAID6 Altivec fix 2005-09-17 11:49:58 -07:00
.gitignore gitignore: misc files 2006-01-01 22:21:50 +01:00
bitmap.c md: change bitmap_unplug and others to void functions 2007-07-17 10:23:15 -07:00
dm-bio-list.h Fix kernel buuild with (CONFIG_COMPAT && ! CONFIG_BLOCK) 2007-09-14 13:56:47 -07:00
dm-bio-record.h
dm-crypt.c Fix memory leak in dm-crypt 2007-10-16 13:48:46 +02:00
dm-delay.c dm delay: cleanup 2007-07-12 15:01:08 -07:00
dm-emc.c dm: emc_endio returns void 2007-10-13 09:41:03 -07:00
dm-exception-store.c dm: fix memory leak in dm_create_persistent() when starting metadata update thread fails 2007-07-18 08:38:22 -07:00
dm-hw-handler.c BUG_ON() Conversion in md/dm-hw-handler.c 2006-03-24 18:36:27 +01:00
dm-hw-handler.h dm mpath: log device name 2007-05-09 12:30:46 -07:00
dm-io.c Drop 'size' argument from bio_endio and bi_end_io 2007-10-10 09:25:57 +02:00
dm-io.h dm io: remove old interface 2007-05-09 12:30:47 -07:00
dm-ioctl.c dm io:ctl use constant struct size 2007-10-20 02:00:58 +01:00
dm-linear.c [PATCH] dm: map and endio symbolic return codes 2006-12-08 08:29:09 -08:00
dm-log.c dm log: fix resume failed log device 2007-05-09 12:30:48 -07:00
dm-log.h [PATCH] dm: log: rename complete_resync_work 2006-12-08 08:29:09 -08:00
dm-mpath-rdac.c dm mpath: rdac fix init race 2007-10-20 02:00:57 +01:00
dm-mpath.c Drop 'size' argument from bio_endio and bi_end_io 2007-10-10 09:25:57 +02:00
dm-mpath.h [PATCH] struct path: rename DM's struct path 2006-12-08 08:28:40 -08:00
dm-path-selector.c BUG_ON() Conversion in md/dm-path-selector.c 2006-03-26 18:21:58 +02:00
dm-path-selector.h [PATCH] struct path: rename DM's struct path 2006-12-08 08:28:40 -08:00
dm-raid1.c Drop 'size' argument from bio_endio and bi_end_io 2007-10-10 09:25:57 +02:00
dm-round-robin.c dm: remove duplicate module name from error msgs 2007-07-12 15:01:08 -07:00
dm-snap.c Drop 'size' argument from bio_endio and bi_end_io 2007-10-10 09:25:57 +02:00
dm-snap.h dm: use kmem_cache macro 2007-07-12 15:01:08 -07:00
dm-stripe.c [PATCH] dm: map and endio symbolic return codes 2006-12-08 08:29:09 -08:00
dm-table.c block: convert blkdev_issue_flush() to use empty barriers 2007-10-16 11:05:02 +02:00
dm-target.c [PATCH] dm: improve error message consistency 2006-06-26 09:58:36 -07:00
dm-zero.c Drop 'size' argument from bio_endio and bi_end_io 2007-10-10 09:25:57 +02:00
dm.c block: convert blkdev_issue_flush() to use empty barriers 2007-10-16 11:05:02 +02:00
dm.h block: convert blkdev_issue_flush() to use empty barriers 2007-10-16 11:05:02 +02:00
faulty.c Drop 'size' argument from bio_endio and bi_end_io 2007-10-10 09:25:57 +02:00
Kconfig DM_MULTIPATH_RDAC: "scsi_normalize_sense" undefined 2007-08-24 16:10:39 -07:00
kcopyd.c dm: use kmem_cache macro 2007-07-12 15:01:08 -07:00
kcopyd.h
linear.c block: convert blkdev_issue_flush() to use empty barriers 2007-10-16 11:05:02 +02:00
Makefile Merge branch 'ioat-md-accel-for-linus' of git://lost.foo-projects.org/~dwillia2/git/iop 2007-07-13 10:52:27 -07:00
md.c Use helpers to obtain task pid in printks 2007-10-19 11:53:43 -07:00
mktables.c
multipath.c block: convert blkdev_issue_flush() to use empty barriers 2007-10-16 11:05:02 +02:00
raid0.c md: fix a bug in some never-used code. 2007-10-17 08:43:03 -07:00
raid1.c md: make sure read errors are auto-corrected during a 'check' resync in raid1 2007-10-17 08:43:03 -07:00
raid5.c block: convert blkdev_issue_flush() to use empty barriers 2007-10-16 11:05:02 +02:00
raid6.h [PATCH] RAID6 Altivec fix 2005-09-17 11:49:58 -07:00
raid6algos.c [PATCH] drivers/md/raid6algos.c: fix a NULL dereference 2006-06-23 07:43:08 -07:00
raid6altivec.uc [PATCH] RAID6 Altivec fix 2005-09-17 11:49:58 -07:00
raid6int.uc
raid6mmx.c [PATCH] md: RAID6: clean up CPUID and FPU enter/exit code 2007-03-01 14:53:36 -08:00
raid6recov.c
raid6sse1.c [PATCH] md: RAID6: clean up CPUID and FPU enter/exit code 2007-03-01 14:53:36 -08:00
raid6sse2.c [PATCH] md: RAID6: clean up CPUID and FPU enter/exit code 2007-03-01 14:53:36 -08:00
raid6x86.h [PATCH] md: RAID6: clean up CPUID and FPU enter/exit code 2007-03-01 14:53:36 -08:00
raid10.c block: convert blkdev_issue_flush() to use empty barriers 2007-10-16 11:05:02 +02:00
unroll.pl