[PATCH] s390: use normal switch statement for ioctls in dasd_ioctlc

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Handle ioctls implemented in dasd_ioctl through the normal switch statement
that most drivers use instead of the awkward dasd_ioctl_no_register routine.
This avoids searching a linear list on every call to dasd_ioctl(), and allows
to give the various ioctl implementation functions sane prototypes, aswell as
moving the check for bdev->bd_disk->private_data from the individual functions
to dasd_ioctl.  (I think it can't actually every be NULL, but let's keep that
for later)

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

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This commit is contained in:

Christoph Hellwig 2006-03-24 03:15:19 -08:00 • committed by Linus Torvalds

parent 61d3ad0edf

commit 13c6204fac

3 changed files with 86 additions and 161 deletions

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4

drivers/s390/block/dasd.c

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2

drivers/s390/block/dasd_int.h

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241

drivers/s390/block/dasd_ioctl.c

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