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Diffstat (limited to 'block')
-rw-r--r--block/ioctl.c29
1 files changed, 10 insertions, 19 deletions
diff --git a/block/ioctl.c b/block/ioctl.c
index 0db89f95b15f..b4e0abed1b4b 100644
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -265,21 +265,6 @@ static int blkdev_locked_ioctl(struct file *file, struct block_device *bdev,
return -ENOIOCTLCMD;
}
-int blkdev_driver_ioctl(struct inode *inode, struct file *file,
- struct gendisk *disk, unsigned cmd, unsigned long arg)
-{
- int ret;
- fmode_t mode = 0;
- if (file) {
- mode = file->f_mode;
- if (file->f_flags & O_NDELAY)
- mode |= FMODE_NDELAY_NOW;
- }
-
- return __blkdev_driver_ioctl(inode->i_bdev, mode, cmd, arg);
-}
-EXPORT_SYMBOL_GPL(blkdev_driver_ioctl);
-
int __blkdev_driver_ioctl(struct block_device *bdev, fmode_t mode,
unsigned cmd, unsigned long arg)
{
@@ -315,13 +300,19 @@ int blkdev_ioctl(struct inode *inode, struct file *file, unsigned cmd,
struct block_device *bdev = inode->i_bdev;
struct gendisk *disk = bdev->bd_disk;
int ret, n;
+ fmode_t mode = 0;
+ if (file) {
+ mode = file->f_mode;
+ if (file->f_flags & O_NDELAY)
+ mode |= FMODE_NDELAY_NOW;
+ }
switch(cmd) {
case BLKFLSBUF:
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
- ret = blkdev_driver_ioctl(inode, file, disk, cmd, arg);
+ ret = __blkdev_driver_ioctl(bdev, mode, cmd, arg);
/* -EINVAL to handle old uncorrected drivers */
if (ret != -EINVAL && ret != -ENOTTY)
return ret;
@@ -333,7 +324,7 @@ int blkdev_ioctl(struct inode *inode, struct file *file, unsigned cmd,
return 0;
case BLKROSET:
- ret = blkdev_driver_ioctl(inode, file, disk, cmd, arg);
+ ret = __blkdev_driver_ioctl(bdev, mode, cmd, arg);
/* -EINVAL to handle old uncorrected drivers */
if (ret != -EINVAL && ret != -ENOTTY)
return ret;
@@ -349,7 +340,7 @@ int blkdev_ioctl(struct inode *inode, struct file *file, unsigned cmd,
case BLKDISCARD: {
uint64_t range[2];
- if (!(file->f_mode & FMODE_WRITE))
+ if (!(mode & FMODE_WRITE))
return -EBADF;
if (copy_from_user(range, (void __user *)arg, sizeof(range)))
@@ -387,6 +378,6 @@ int blkdev_ioctl(struct inode *inode, struct file *file, unsigned cmd,
if (ret != -ENOIOCTLCMD)
return ret;
- return blkdev_driver_ioctl(inode, file, disk, cmd, arg);
+ ret = __blkdev_driver_ioctl(bdev, mode, cmd, arg);
}
EXPORT_SYMBOL_GPL(blkdev_ioctl);