From: Marcin Slusarz <marcin.slusarz@gmail.com>
Date: Sun, 16 Nov 2008 18:06:37 +0000 (+0100)
Subject: cdrom: reduce stack usage of mmc_ioctl_dvd_read_struct
X-Git-Tag: v2.6.29-rc1~569^2~34
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d194139c18edb7dae45e159a24f2aa72091033b8;p=pandora-kernel.git

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>
---

Reading git-diff-tree failed