diff options
Diffstat (limited to 'include/linux/fs')
| -rw-r--r-- | include/linux/fs/super.h | 8 | ||||
| -rw-r--r-- | include/linux/fs/super_types.h | 4 |
2 files changed, 11 insertions, 1 deletions
diff --git a/include/linux/fs/super.h b/include/linux/fs/super.h index 405612678115..733d439f01ed 100644 --- a/include/linux/fs/super.h +++ b/include/linux/fs/super.h @@ -237,4 +237,12 @@ int thaw_super(struct super_block *super, enum freeze_holder who, int sb_init_dio_done_wq(struct super_block *sb); +struct file; +struct file *fs_bdev_file_open_by_dev(dev_t dev, blk_mode_t mode, void *holder, + struct super_block *sb); +struct file *fs_bdev_file_open_by_path(const char *path, blk_mode_t mode, + void *holder, struct super_block *sb); +void fs_bdev_unregister(struct file *bdev_file, struct super_block *sb); +void fs_bdev_file_release(struct file *bdev_file, struct super_block *sb); + #endif /* _LINUX_FS_SUPER_H */ diff --git a/include/linux/fs/super_types.h b/include/linux/fs/super_types.h index ef7941e9dc79..c8172558750f 100644 --- a/include/linux/fs/super_types.h +++ b/include/linux/fs/super_types.h @@ -30,6 +30,7 @@ struct mount; struct mtd_info; struct quotactl_ops; struct shrinker; +struct super_dev; struct unicode_map; struct user_namespace; struct workqueue_struct; @@ -132,6 +133,7 @@ struct super_operations { struct super_block { struct list_head s_list; /* Keep this first */ dev_t s_dev; /* search index; _not_ kdev_t */ + struct super_dev *s_super_dev; /* sget_fc()'s device table claim */ unsigned char s_blocksize_bits; unsigned long s_blocksize; loff_t s_maxbytes; /* Max file size */ @@ -145,7 +147,7 @@ struct super_block { unsigned long s_magic; struct dentry *s_root; struct rw_semaphore s_umount; - int s_count; + refcount_t s_passive; atomic_t s_active; #ifdef CONFIG_SECURITY void *s_security; |