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vfs: opencode mntget() mnt_set_mountpoint()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2011-11-25 03:19:09 -05:00
parent 909b0a88ef
commit 3a2393d71d
1 changed files with 2 additions and 1 deletions
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3
fs/namespace.c
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@ -572,8 +572,9 @@ static void detach_mnt(struct mount *mnt, struct path *old_path)
void mnt_set_mountpoint(struct mount *mnt, struct dentry *dentry, void mnt_set_mountpoint(struct mount *mnt, struct dentry *dentry,
struct mount *child_mnt) struct mount *child_mnt)
{ {
child_mnt->mnt_parent = real_mount(mntget(&mnt->mnt)); mnt_add_count(mnt, 1); /* essentially, that's mntget */
child_mnt->mnt_mountpoint = dget(dentry); child_mnt->mnt_mountpoint = dget(dentry);
child_mnt->mnt_parent = mnt;
spin_lock(&dentry->d_lock); spin_lock(&dentry->d_lock);
dentry->d_flags |= DCACHE_MOUNTED; dentry->d_flags |= DCACHE_MOUNTED;
spin_unlock(&dentry->d_lock); spin_unlock(&dentry->d_lock);