/* 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(struct fs_pin *, struct vfsmount *);
void pin_kill(struct fs_pin *);
 logo'/></a></td>
<td class='main'><a href='/'>index</a> : <a href='/distro/kernel/'>kernel</a></td><td class='form'><form method='get'>
<input type='hidden' name='id' value='f3821276f62c80184f4b7543e423ec5c7f43bbe1'/><select name='h' onchange='this.form.submit();'>
<option value='0x221E-v0.0-v7.0' selected='selected'>0x221E-v0.0-v7.0</option>
<option value='0x221E-v0.0.1-v6.19'>0x221E-v0.0.1-v6.19</option>
<option value='linux-2.6.11.y'>linux-2.6.11.y</option>
<option value='linux-2.6.12.y'>linux-2.6.12.y</option>
<option value='linux-2.6.13.y'>linux-2.6.13.y</option>
<option value='linux-2.6.14.y'>linux-2.6.14.y</option>
<option value='linux-2.6.15.y'>linux-2.6.15.y</option>
<option value='linux-2.6.16.y'>linux-2.6.16.y</option>
<option value='linux-2.6.17.y'>linux-2.6.17.y</option>
<option value='linux-2.6.18.y'>linux-2.6.18.y</option>
<option value='linux-2.6.19.y'>linux-2.6.19.y</option>
<option value='linux-2.6.20.y'>linux-2.6.20.y</option>
<option value='linux-2.6.21.y'>linux-2.6.21.y</option>
<option value='linux-2.6.22.y'>linux-2.6.22.y</option>
<option value='linux-2.6.23.y'>linux-2.6.23.y</option>
<option value='linux-2.6.24.y'>linux-2.6.24.y</option>
<option value='linux-2.6.25.y'>linux-2.6.25.y</option>
<option value='linux-2.6.26.y'>linux-2.6.26.y</option>
<option value='linux-2.6.27.y'>linux-2.6.27.y</option>
<option value='linux-2.6.28.y'>linux-2.6.28.y</option>
<option value='linux-2.6.29.y'>linux-2.6.29.y</option>
<option value='linux-2.6.30.y'>linux-2.6.30.y</option>
<option value='linux-2.6.31.y'>linux-2.6.31.y</option>
<option value='linux-2.6.32.y'>linux-2.6.32.y</option>
<option value='linux-2.6.33.y'>linux-2.6.33.y</option>
<option value='linux-2.6.34.y'>linux-2.6.34.y</option>
<option value='linux-2.6.35.y'>linux-2.6.35.y</option>
<option value='linux-2.6.36.y'>linux-2.6.36.y</option>
<option value='linux-2.6.37.y'>linux-2.6.37.y</option>
<option value='linux-2.6.38.y'>linux-2.6.38.y</option>
<option value='linux-2.6.39.y'>linux-2.6.39.y</option>
<option value='linux-3.0.y'>linux-3.0.y</option>
<option value='linux-3.1.y'>linux-3.1.y</option>
<option value='linux-3.10.y'>linux-3.10.y</option>
<option value='linux-3.11.y'>linux-3.11.y</option>
<option value='linux-3.12.y'>linux-3.12.y</option>
<option value='linux-3.13.y'>linux-3.13.y</option>
<option value='linux-3.14.y'>linux-3.14.y</option>
<option value='linux-3.15.y'>linux-3.15.y</option>
<option value='linux-3.16.y'>linux-3.16.y</option>
<option value='linux-3.17.y'>linux-3.17.y</option>
<option value='linux-3.18.y'>linux-3.18.y</option>
<option value='linux-3.19.y'>linux-3.19.y</option>
<option value='linux-3.2.y'>linux-3.2.y</option>
<option value='linux-3.3.y'>linux-3.3.y</option>
<option value='linux-3.4.y'>linux-3.4.y</option>
<option value='linux-3.5.y'>linux-3.5.y</option>
<option value='linux-3.6.y'>linux-3.6.y</option>
<option value='linux-3.7.y'>linux-3.7.y</option>
<option value='linux-3.8.y'>linux-3.8.y</option>
<option value='linux-3.9.y'>linux-3.9.y</option>
<option value='linux-4.0.y'>linux-4.0.y</option>
<option value='linux-4.1.y'>linux-4.1.y</option>
<option value='linux-4.10.y'>linux-4.10.y</option>
<option value='linux-4.11.y'>linux-4.11.y</option>
<option value='linux-4.12.y'>linux-4.12.y</option>
<option value='linux-4.13.y'>linux-4.13.y</option>
<option value='linux-4.14.y'>linux-4.14.y</option>
<option value='linux-4.15.y'>linux-4.15.y</option>
<option value='linux-4.16.y'>linux-4.16.y</option>
<option value='linux-4.17.y'>linux-4.17.y</option>
<option value='linux-4.18.y'>linux-4.18.y</option>
<option value='linux-4.19.y'>linux-4.19.y</option>
<option value='linux-4.2.y'>linux-4.2.y</option>
<option value='linux-4.20.y'>linux-4.20.y</option>
<option value='linux-4.3.y'>linux-4.3.y</option>
<option value='linux-4.4.y'>linux-4.4.y</option>
<option value='linux-4.5.y'>linux-4.5.y</option>
<option value='linux-4.6.y'>linux-4.6.y</option>
<option value='linux-4.7.y'>linux-4.7.y</option>
<option value='linux-4.8.y'>linux-4.8.y</option>
<option value='linux-4.9.y'>linux-4.9.y</option>
<option value='linux-5.0.y'>linux-5.0.y</option>
<option value='linux-5.1.y'>linux-5.1.y</option>
<option value='linux-5.10.y'>linux-5.10.y</option>
<option value='linux-5.11.y'>linux-5.11.y</option>
<option value='linux-5.12.y'>linux-5.12.y</option>
<option value='linux-5.13.y'>linux-5.13.y</option>
<option value='linux-5.14.y'>linux-5.14.y</option>
<option value='linux-5.15.y'>linux-5.15.y</option>
<option value='linux-5.16.y'>linux-5.16.y</option>
<option value='linux-5.17.y'>linux-5.17.y</option>
<option value='linux-5.18.y'>linux-5.18.y</option>
<option value='linux-5.19.y'>linux-5.19.y</option>
<option value='linux-5.2.y'>linux-5.2.y</option>
<option value='linux-5.3.y'>linux-5.3.y</option>
<option value='linux-5.4.y'>linux-5.4.y</option>
<option value='linux-5.5.y'>linux-5.5.y</option>
<option value='linux-5.6.y'>linux-5.6.y</option>
<option value='linux-5.7.y'>linux-5.7.y</option>
<option value='linux-5.8.y'>linux-5.8.y</option>
<option value='linux-5.9.y'>linux-5.9.y</option>
<option value='linux-6.0.y'>linux-6.0.y</option>
<option value='linux-6.1.y'>linux-6.1.y</option>
<option value='linux-6.10.y'>linux-6.10.y</option>
<option value='linux-6.11.y'>linux-6.11.y</option>
<option value='linux-6.12.y'>linux-6.12.y</option>
<option value='linux-6.13.y'>linux-6.13.y</option>
<option value='linux-6.14.y'>linux-6.14.y</option>
<option value='linux-6.15.y'>linux-6.15.y</option>
<option value='linux-6.16.y'>linux-6.16.y</option>
<option value='linux-6.17.y'>linux-6.17.y</option>
<option value='linux-6.18.y'>linux-6.18.y</option>
<option value='linux-6.19.y'>linux-6.19.y</option>
<option value='linux-6.2.y'>linux-6.2.y</option>
<option value='linux-6.3.y'>linux-6.3.y</option>
<option value='linux-6.4.y'>linux-6.4.y</option>
<option value='linux-6.5.y'>linux-6.5.y</option>
<option value='linux-6.6.y'>linux-6.6.y</option>
<option value='linux-6.7.y'>linux-6.7.y</option>
<option value='linux-6.8.y'>linux-6.8.y</option>
<option value='linux-6.9.y'>linux-6.9.y</option>
<option value='linux-rolling-lts'>linux-rolling-lts</option>
<option value='linux-rolling-stable'>linux-rolling-stable</option>
<option value='master'>master</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>Hosts the 0x221E linux distro kernel.</td><td class='sub right'>Ubuntu</td></tr></table>
<table class='tabs'><tr><td>
<a href='/distro/kernel/'>summary</a><a href='/distro/kernel/refs/?id=f3821276f62c80184f4b7543e423ec5c7f43bbe1'>refs</a><a class='active' href='/distro/kernel/log/lib/uuid.c'>log</a><a href='/distro/kernel/tree/lib/uuid.c?id=f3821276f62c80184f4b7543e423ec5c7f43bbe1'>tree</a><a href='/distro/kernel/commit/lib/uuid.c?id=f3821276f62c80184f4b7543e423ec5c7f43bbe1'>commit</a><a href='/distro/kernel/diff/lib/uuid.c?id=f3821276f62c80184f4b7543e423ec5c7f43bbe1'>diff</a></td><td class='form'><form class='right' method='get' action='/distro/kernel/log/lib/uuid.c'>
<input type='hidden' name='id' value='f3821276f62c80184f4b7543e423ec5c7f43bbe1'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/distro/kernel/log/?id=f3821276f62c80184f4b7543e423ec5c7f43bbe1'>root</a>/<a href='/distro/kernel/log/lib?id=f3821276f62c80184f4b7543e423ec5c7f43bbe1'>lib</a>/<a href='/distro/kernel/log/lib/uuid.c?id=f3821276f62c80184f4b7543e423ec5c7f43bbe1'>uuid.c</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/distro/kernel/log/lib/uuid.c?id=f3821276f62c80184f4b7543e423ec5c7f43bbe1&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2017-12-11 15:03:08 -0700'>2017-12-11</span></td><td><a href='/distro/kernel/commit/lib/uuid.c?id=d063623b6ae7c326d21a2713dd38cab15d794c1c'>Documentation: add UUID/GUID to kernel-api</a></td><td>Randy Dunlap</td></tr>
<tr><td><span title='2017-06-05 16:59:05 +0200'>2017-06-05</span></td><td><a href='/distro/kernel/commit/lib/uuid.c?id=ef40dda5bbc310f6517082c0ff002913104358cd'>uuid: hoist uuid_is_null() helper from libnvdimm</a></td><td>Christoph Hellwig</td></tr>
<tr><td><span title='2017-06-05 16:59:03 +0200'>2017-06-05</span></td><td><a href='/distro/kernel/commit/lib/uuid.c?id=b10bf0e281040f152da93fede1d43ec57caa7cee'>uuid: don't export guid_index and uuid_index</a></td><td>Christoph Hellwig</td></tr>
<tr><td><span title='2017-06-05 16:58:59 +0200'>2017-06-05</span></td><td><a href='/distro/kernel/commit/lib/uuid.c?id=f9727a17db9bab71ddae91f74f11a8a2f9a0ece6'>uuid: rename uuid types</a></td><td>Christoph Hellwig</td></tr>