vfs: opencode mntget() mnt_set_mountpoint() (3a2393d7) · Commits · 戴 / test

fs/namespace.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -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,
		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_parent = mnt;
		spin_lock(&dentry->d_lock);
		dentry->d_flags \|= DCACHE_MOUNTED;
		spin_unlock(&dentry->d_lock);