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| author | Arnd Bergmann <arnd@arndb.de> | 2010-07-08 10:18:46 +0200 |
|---|---|---|
| committer | Jens Axboe <jaxboe@fusionio.com> | 2010-08-07 18:25:00 +0200 |
| commit | 8a6cfeb6deca3a8fefd639d898b0d163c0b5d368 (patch) | |
| tree | 9a633ad48c3b1ada0519ee7bade0602f940037f6 /drivers/cdrom/gdrom.c | |
| parent | 34484062445fe905bf02c72f87ddda21881acda3 (diff) | |
| download | linux-8a6cfeb6deca3a8fefd639d898b0d163c0b5d368.tar.gz linux-8a6cfeb6deca3a8fefd639d898b0d163c0b5d368.tar.bz2 linux-8a6cfeb6deca3a8fefd639d898b0d163c0b5d368.zip | |
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/cdrom/gdrom.c')
| -rw-r--r-- | drivers/cdrom/gdrom.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/cdrom/gdrom.c b/drivers/cdrom/gdrom.c index 5219b57deb36..1772fd914fb9 100644 --- a/drivers/cdrom/gdrom.c +++ b/drivers/cdrom/gdrom.c @@ -34,6 +34,7 @@ #include <linux/blkdev.h> #include <linux/interrupt.h> #include <linux/device.h> +#include <linux/smp_lock.h> #include <linux/wait.h> #include <linux/workqueue.h> #include <linux/platform_device.h> @@ -509,7 +510,13 @@ static int gdrom_bdops_mediachanged(struct gendisk *disk) static int gdrom_bdops_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd, unsigned long arg) { - return cdrom_ioctl(gd.cd_info, bdev, mode, cmd, arg); + int ret; + + lock_kernel(); + ret = cdrom_ioctl(gd.cd_info, bdev, mode, cmd, arg); + unlock_kernel(); + + return ret; } static const struct block_device_operations gdrom_bdops = { @@ -517,7 +524,7 @@ static const struct block_device_operations gdrom_bdops = { .open = gdrom_bdops_open, .release = gdrom_bdops_release, .media_changed = gdrom_bdops_mediachanged, - .locked_ioctl = gdrom_bdops_ioctl, + .ioctl = gdrom_bdops_ioctl, }; static irqreturn_t gdrom_command_interrupt(int irq, void *dev_id) |