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fold mntfree() into mntput_no_expire()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2013-09-28 12:41:25 -04:00
parent 6339dab869
commit 649a795aff
1 changed files with 16 additions and 23 deletions
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39
fs/namespace.c
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@@ -872,28 +872,6 @@ static struct mount *clone_mnt(struct mount *old, struct dentry *root,
return ERR_PTR(err); return ERR_PTR(err);
} }
static inline void mntfree(struct mount *mnt)
{
struct vfsmount *m = &mnt->mnt;
struct super_block *sb = m->mnt_sb;
/*
* This probably indicates that somebody messed
* up a mnt_want/drop_write() pair. If this
* happens, the filesystem was probably unable
* to make r/w->r/o transitions.
*/
/*
* The locking used to deal with mnt_count decrement provides barriers,
* so mnt_get_writers() below is safe.
*/
WARN_ON(mnt_get_writers(mnt));
fsnotify_vfsmount_delete(m);
dput(m->mnt_root);
free_vfsmnt(mnt);
deactivate_super(sb);
}
static void mntput_no_expire(struct mount *mnt) static void mntput_no_expire(struct mount *mnt)
{ {
put_again: put_again:
@@ -929,7 +907,22 @@ put_again:
list_del(&mnt->mnt_instance); list_del(&mnt->mnt_instance);
br_write_unlock(&vfsmount_lock); br_write_unlock(&vfsmount_lock);
mntfree(mnt);
/*
* This probably indicates that somebody messed
* up a mnt_want/drop_write() pair. If this
* happens, the filesystem was probably unable
* to make r/w->r/o transitions.
*/
/*
* The locking used to deal with mnt_count decrement provides barriers,
* so mnt_get_writers() below is safe.
*/
WARN_ON(mnt_get_writers(mnt));
fsnotify_vfsmount_delete(&mnt->mnt);
dput(mnt->mnt.mnt_root);
deactivate_super(mnt->mnt.mnt_sb);
free_vfsmnt(mnt);
} }
void mntput(struct vfsmount *mnt) void mntput(struct vfsmount *mnt)