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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/block/floppy.c | |
| parent | 34484062445fe905bf02c72f87ddda21881acda3 (diff) | |
| download | kernel_samsung_smdk4412-8a6cfeb6deca3a8fefd639d898b0d163c0b5d368.tar.gz kernel_samsung_smdk4412-8a6cfeb6deca3a8fefd639d898b0d163c0b5d368.tar.bz2 kernel_samsung_smdk4412-8a6cfeb6deca3a8fefd639d898b0d163c0b5d368.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/block/floppy.c')
| -rw-r--r-- | drivers/block/floppy.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 82c30f9f81c..40419b066aa 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -178,6 +178,7 @@ static int print_unex = 1; #include <linux/slab.h> #include <linux/mm.h> #include <linux/bio.h> +#include <linux/smp_lock.h> #include <linux/string.h> #include <linux/jiffies.h> #include <linux/fcntl.h> @@ -3371,7 +3372,7 @@ static int fd_getgeo(struct block_device *bdev, struct hd_geometry *geo) return 0; } -static int fd_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, +static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long param) { int drive = (long)bdev->bd_disk->private_data; @@ -3547,6 +3548,18 @@ static int fd_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, return 0; } +static int fd_ioctl(struct block_device *bdev, fmode_t mode, + unsigned int cmd, unsigned long param) +{ + int ret; + + lock_kernel(); + ret = fd_locked_ioctl(bdev, mode, cmd, param); + unlock_kernel(); + + return ret; +} + static void __init config_types(void) { bool has_drive = false; @@ -3848,7 +3861,7 @@ static const struct block_device_operations floppy_fops = { .owner = THIS_MODULE, .open = floppy_open, .release = floppy_release, - .locked_ioctl = fd_ioctl, + .ioctl = fd_ioctl, .getgeo = fd_getgeo, .media_changed = check_floppy_change, .revalidate_disk = floppy_revalidate, |