[PATCH 02/10 v7] fs_pin: Export functions for specific filesystem

Kinglong Mee
2015-07-11T12:47:46Z

Exports functions for others who want pin to vfsmount,
eg, nfsd's export cache.

v4, v5, v6, v7
add exporting of pin_kill.

Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
---
fs/fs_pin.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/fs/fs_pin.c b/fs/fs_pin.c
index 611b540..a1a4eb2 100644
--- a/fs/fs_pin.c
+++ b/fs/fs_pin.c
@@ -17,6 +17,7 @@ void pin_remove(struct fs_pin *pin)
wake_up_locked(&pin->wait);
spin_unlock_irq(&pin->wait.lock);
}
+EXPORT_SYMBOL(pin_remove);

void pin_insert_group(struct fs_pin *pin, struct vfsmount *m, struct hlist_head *p)
{
@@ -26,11 +27,13 @@ void pin_insert_group(struct fs_pin *pin, struct vfsmount *m, struct hlist_head
hlist_add_head(&pin->m_list, &real_mount(m)->mnt_pins);
spin_unlock(&pin_lock);
}
+EXPORT_SYMBOL(pin_insert_group);

void pin_insert(struct fs_pin *pin, struct vfsmount *m)
{
pin_insert_group(pin, m, &m->mnt_sb->s_pins);
}
+EXPORT_SYMBOL(pin_insert);

void pin_kill(struct fs_pin *p)
{
@@ -72,6 +75,7 @@ void pin_kill(struct fs_pin *p)
}
rcu_read_unlock();
}
+EXPORT_SYMBOL(pin_kill);

void mnt_pin_kill(struct mount *m)
{
--
2.4.3