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Diffstat (limited to '')
| -rw-r--r-- | include/linux/fs_pin.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/include/linux/fs_pin.h b/include/linux/fs_pin.h new file mode 100644 index 000000000..7cab74d66 --- /dev/null +++ b/include/linux/fs_pin.h @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#include <linux/wait.h> + +struct fs_pin { + wait_queue_head_t wait; + int done; + struct hlist_node s_list; + struct hlist_node m_list; + void (*kill)(struct fs_pin *); +}; + +struct vfsmount; + +static inline void init_fs_pin(struct fs_pin *p, void (*kill)(struct fs_pin *)) +{ + init_waitqueue_head(&p->wait); + INIT_HLIST_NODE(&p->s_list); + INIT_HLIST_NODE(&p->m_list); + p->kill = kill; +} + +void pin_remove(struct fs_pin *); +void pin_insert_group(struct fs_pin *, struct vfsmount *, struct hlist_head *); +void pin_insert(struct fs_pin *, struct vfsmount *); +void pin_kill(struct fs_pin *); |