[PATCH] Add block_device_operations.getgeo block device method

HDIO_GETGEO is implemented in most block drivers, and all of them have to
duplicate the code to copy the structure to userspace, as well as getting
the start sector.  This patch moves that to common code [1] and adds a
->getgeo method to fill out the raw kernel hd_geometry structure.  For many
drivers this means ->ioctl can go away now.

[1] the s390 block drivers are odd in this respect.  xpram sets ->start
    to 4 always which seems more than odd, and the dasd driver shifts
    the start offset around, probably because of it's non-standard
    sector size.

Signed-off-by: Christoph Hellwig <[email protected]>
Cc: Jens Axboe <[email protected]>
Cc: <[email protected]>
Cc: Jeff Dike <[email protected]>
Cc: Paolo Giarrusso <[email protected]>
Cc: Bartlomiej Zolnierkiewicz <[email protected]>
Cc: Neil Brown <[email protected]>
Cc: Markus Lidel <[email protected]>
Cc: Russell King <[email protected]>
Cc: David Woodhouse <[email protected]>
Cc: Martin Schwidefsky <[email protected]>
Cc: James Bottomley <[email protected]>
Signed-off-by: Adrian Bunk <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

0 files changed, 0 insertions, 0 deletions