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56cbb429d9
We used to need rather convoluted ordering trickery to guarantee that dput() of ex-mountpoints happens before the final mntput() of the same. Since we don't need that anymore, there's no point playing with fs_pin for that. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
25 lines
539 B
C
25 lines
539 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#include <linux/wait.h>
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struct fs_pin {
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wait_queue_head_t wait;
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int done;
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struct hlist_node s_list;
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struct hlist_node m_list;
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void (*kill)(struct fs_pin *);
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};
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struct vfsmount;
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static inline void init_fs_pin(struct fs_pin *p, void (*kill)(struct fs_pin *))
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{
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init_waitqueue_head(&p->wait);
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INIT_HLIST_NODE(&p->s_list);
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INIT_HLIST_NODE(&p->m_list);
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p->kill = kill;
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}
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void pin_remove(struct fs_pin *);
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void pin_insert(struct fs_pin *, struct vfsmount *);
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void pin_kill(struct fs_pin *);
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