block: push down BKL into .locked_ioctl
As a preparation for the removal of the big kernel
lock in the block layer, this removes the BKL
from the common ioctl handling code, moving it
into every single driver still using it.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
diff --git a/drivers/ide/ide-floppy_ioctl.c b/drivers/ide/ide-floppy_ioctl.c
index 9c22882..fd3d05a 100644
--- a/drivers/ide/ide-floppy_ioctl.c
+++ b/drivers/ide/ide-floppy_ioctl.c
@@ -5,6 +5,7 @@
#include <linux/kernel.h>
#include <linux/ide.h>
#include <linux/cdrom.h>
+#include <linux/smp_lock.h>
#include <asm/unaligned.h>
@@ -275,12 +276,15 @@
void __user *argp = (void __user *)arg;
int err;
- if (cmd == CDROMEJECT || cmd == CDROM_LOCKDOOR)
- return ide_floppy_lockdoor(drive, &pc, arg, cmd);
+ lock_kernel();
+ if (cmd == CDROMEJECT || cmd == CDROM_LOCKDOOR) {
+ err = ide_floppy_lockdoor(drive, &pc, arg, cmd);
+ goto out;
+ }
err = ide_floppy_format_ioctl(drive, &pc, mode, cmd, argp);
if (err != -ENOTTY)
- return err;
+ goto out;
/*
* skip SCSI_IOCTL_SEND_COMMAND (deprecated)
@@ -293,5 +297,7 @@
if (err == -ENOTTY)
err = generic_ide_ioctl(drive, bdev, cmd, arg);
+out:
+ unlock_kernel();
return err;
}