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stubs for mount_bdev() and kill_block_super() in !CONFIG_BLOCK case

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2017-10-15 00:38:00 -04:00
parent 53fd88ab61
commit f175f307dd
1 changed files with 16 additions and 0 deletions
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16
include/linux/fs.h
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@ -2094,9 +2094,18 @@ struct file_system_type {
extern struct dentry *mount_ns(struct file_system_type *fs_type,
int flags, void *data, void *ns, struct user_namespace *user_ns,
int (*fill_super)(struct super_block *, void *, int));
#ifdef CONFIG_BLOCK
extern struct dentry *mount_bdev(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data,
int (*fill_super)(struct super_block *, void *, int));
#else
static inline struct dentry *mount_bdev(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data,
int (*fill_super)(struct super_block *, void *, int))
{
return ERR_PTR(-ENODEV);
}
#endif
extern struct dentry *mount_single(struct file_system_type *fs_type,
int flags, void *data,
int (*fill_super)(struct super_block *, void *, int));
@ -2105,7 +2114,14 @@ extern struct dentry *mount_nodev(struct file_system_type *fs_type,
int (*fill_super)(struct super_block *, void *, int));
extern struct dentry *mount_subtree(struct vfsmount *mnt, const char *path);
void generic_shutdown_super(struct super_block *sb);
#ifdef CONFIG_BLOCK
void kill_block_super(struct super_block *sb);
#else
static inline void kill_block_super(struct super_block *sb)
{
BUG();
}
#endif
void kill_anon_super(struct super_block *sb);
void kill_litter_super(struct super_block *sb);
void deactivate_super(struct super_block *sb);