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| author | Jens Axboe <jaxboe@fusionio.com> | 2010-11-27 19:49:18 +0100 |
|---|---|---|
| committer | Jens Axboe <jaxboe@fusionio.com> | 2010-11-27 19:49:18 +0100 |
| commit | f30195c50245d8ace628e1978b1daa8df86e7224 (patch) | |
| tree | edf4f91c4356c41d50fb07f15cebd1e6442538ad /include | |
| parent | d07335e51df0c6dec202d315fc4f1f7e100eec4e (diff) | |
| parent | d4d77629953eabd3c14f6fa5746f6b28babfc55f (diff) | |
| download | linux-f30195c50245d8ace628e1978b1daa8df86e7224.tar.gz linux-f30195c50245d8ace628e1978b1daa8df86e7224.tar.bz2 linux-f30195c50245d8ace628e1978b1daa8df86e7224.zip | |
Merge branch 'cleanup-bd_claim' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/misc into for-2.6.38/core
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/fs.h | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index 334d68a17108..f48501563917 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -663,7 +663,7 @@ struct block_device { void * bd_holder; int bd_holders; #ifdef CONFIG_SYSFS - struct list_head bd_holder_list; + struct gendisk * bd_holder_disk; /* for sysfs slave linkng */ #endif struct block_device * bd_contains; unsigned bd_block_size; @@ -2006,7 +2006,6 @@ extern struct block_device *bdgrab(struct block_device *bdev); extern void bd_set_size(struct block_device *, loff_t size); extern void bd_forget(struct inode *inode); extern void bdput(struct block_device *); -extern struct block_device *open_by_devnum(dev_t, fmode_t); extern void invalidate_bdev(struct block_device *); extern int sync_blockdev(struct block_device *bdev); extern struct super_block *freeze_bdev(struct block_device *); @@ -2037,16 +2036,20 @@ extern const struct file_operations def_fifo_fops; extern int ioctl_by_bdev(struct block_device *, unsigned, unsigned long); extern int blkdev_ioctl(struct block_device *, fmode_t, unsigned, unsigned long); extern long compat_blkdev_ioctl(struct file *, unsigned, unsigned long); -extern int blkdev_get(struct block_device *, fmode_t); -extern int blkdev_put(struct block_device *, fmode_t); -extern int bd_claim(struct block_device *, void *); -extern void bd_release(struct block_device *); +extern int blkdev_get(struct block_device *bdev, fmode_t mode, void *holder); +extern struct block_device *blkdev_get_by_path(const char *path, fmode_t mode, + void *holder); +extern struct block_device *blkdev_get_by_dev(dev_t dev, fmode_t mode, + void *holder); +extern int blkdev_put(struct block_device *bdev, fmode_t mode); #ifdef CONFIG_SYSFS -extern int bd_claim_by_disk(struct block_device *, void *, struct gendisk *); -extern void bd_release_from_disk(struct block_device *, struct gendisk *); +extern int bd_link_disk_holder(struct block_device *bdev, struct gendisk *disk); #else -#define bd_claim_by_disk(bdev, holder, disk) bd_claim(bdev, holder) -#define bd_release_from_disk(bdev, disk) bd_release(bdev) +static inline int bd_link_disk_holder(struct block_device *bdev, + struct gendisk *disk) +{ + return 0; +} #endif #endif @@ -2082,8 +2085,6 @@ static inline void unregister_chrdev(unsigned int major, const char *name) extern const char *__bdevname(dev_t, char *buffer); extern const char *bdevname(struct block_device *bdev, char *buffer); extern struct block_device *lookup_bdev(const char *); -extern struct block_device *open_bdev_exclusive(const char *, fmode_t, void *); -extern void close_bdev_exclusive(struct block_device *, fmode_t); extern void blkdev_show(struct seq_file *,off_t); #else |