tree 98dab9ca446fceca1f519924fd392fbeb5e2eb14
parent 3147c531b6b53fbbf8942689c4aa113c519f5e4e
author Marcin Slusarz <marcin.slusarz@gmail.com> 1226858797 +0100
committer Jens Axboe <jens.axboe@oracle.com> 1230535723 +0100

cdrom: reduce stack usage of mmc_ioctl_dvd_read_struct

1. kmalloc 192 bytes in dvd_read_bca (which is inlined into dvd_read_struct)
2. Pass struct packet_command to all dvd_read_* functions.

Checkstack output:
Before: mmc_ioctl_dvd_read_struct:         280
After:  mmc_ioctl_dvd_read_struct:         56

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>