diff options
| author | Arnd Bergmann <arnd@arndb.de> | 2010-07-08 12:18:46 +0400 |
|---|---|---|
| committer | Jens Axboe <jaxboe@fusionio.com> | 2010-08-07 20:25:00 +0400 |
| commit | 8a6cfeb6deca3a8fefd639d898b0d163c0b5d368 (patch) | |
| tree | 9a633ad48c3b1ada0519ee7bade0602f940037f6 /drivers/block/paride/pcd.c | |
| parent | 34484062445fe905bf02c72f87ddda21881acda3 (diff) | |
| download | linux-8a6cfeb6deca3a8fefd639d898b0d163c0b5d368.tar.xz | |
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>
Diffstat (limited to 'drivers/block/paride/pcd.c')
| -rw-r--r-- | drivers/block/paride/pcd.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/block/paride/pcd.c b/drivers/block/paride/pcd.c index 71acf4e53356..daba7a62a663 100644 --- a/drivers/block/paride/pcd.c +++ b/drivers/block/paride/pcd.c @@ -138,6 +138,7 @@ enum {D_PRT, D_PRO, D_UNI, D_MOD, D_SLV, D_DLY}; #include <linux/cdrom.h> #include <linux/spinlock.h> #include <linux/blkdev.h> +#include <linux/smp_lock.h> #include <asm/uaccess.h> static DEFINE_SPINLOCK(pcd_lock); @@ -238,7 +239,13 @@ static int pcd_block_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd, unsigned long arg) { struct pcd_unit *cd = bdev->bd_disk->private_data; - return cdrom_ioctl(&cd->info, bdev, mode, cmd, arg); + int ret; + + lock_kernel(); + ret = cdrom_ioctl(&cd->info, bdev, mode, cmd, arg); + unlock_kernel(); + + return ret; } static int pcd_block_media_changed(struct gendisk *disk) @@ -251,7 +258,7 @@ static const struct block_device_operations pcd_bdops = { .owner = THIS_MODULE, .open = pcd_block_open, .release = pcd_block_release, - .locked_ioctl = pcd_block_ioctl, + .ioctl = pcd_block_ioctl, .media_changed = pcd_block_media_changed, }; |