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md: move compat_ioctl handling into md.c

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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 <[email protected]>
Cc: Neil Brown <[email protected]>
Cc: Andre Noll <[email protected]>
Cc: [email protected]
Signed-off-by: NeilBrown <[email protected]>
This commit is contained in:
Arnd Bergmann 2009-12-14 12:50:05 +11:00 • committed by NeilBrown
commit aa98aa3198
2 changed files with 23 additions and 18 deletions
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23
drivers/md/md.c
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@ -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,