diff options
| author | Arnd Bergmann <arnd@arndb.de> | 2009-12-14 12:50:05 +1100 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2009-12-14 12:51:41 +1100 |
| commit | aa98aa31987ad9831711ae71ea2270228ab62532 (patch) | |
| tree | 736036691f07fe4b7d18064aaa0ace5d76b73cf6 /drivers/md | |
| parent | 93bd89a6d5f268acbdb8d775e40d3a280b07b5bd (diff) | |
md: move compat_ioctl handling into md.c
The RAID ioctls are only implemented in md.c, so the
handling for them should also be moved there from
fs/compat_ioctl.c.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Neil Brown <neilb@suse.de>
Cc: Andre Noll <maan@systemlinux.org>
Cc: linux-raid@vger.kernel.org
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/md.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index bcc66680952..08564375d6b 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -44,6 +44,7 @@ #include <linux/random.h> #include <linux/reboot.h> #include <linux/file.h> +#include <linux/compat.h> #include <linux/delay.h> #include <linux/raid/md_p.h> #include <linux/raid/md_u.h> @@ -5691,6 +5692,25 @@ done: abort: return err; } +#ifdef CONFIG_COMPAT +static int md_compat_ioctl(struct block_device *bdev, fmode_t mode, + unsigned int cmd, unsigned long arg) +{ + switch (cmd) { + case HOT_REMOVE_DISK: + case HOT_ADD_DISK: + case SET_DISK_FAULTY: + case SET_BITMAP_FILE: + /* These take in integer arg, do not convert */ + break; + default: + arg = (unsigned long)compat_ptr(arg); + break; + } + + return md_ioctl(bdev, mode, cmd, arg); +} +#endif /* CONFIG_COMPAT */ static int md_open(struct block_device *bdev, fmode_t mode) { @@ -5756,6 +5776,9 @@ static const struct block_device_operations md_fops = .open = md_open, .release = md_release, .ioctl = md_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = md_compat_ioctl, +#endif .getgeo = md_getgeo, .media_changed = md_media_changed, .revalidate_disk= md_revalidate, |