48 static int autofs4_mount_busy(struct vfsmount *mnt, struct dentry *dentry)  in autofs4_mount_busy()  argument
56 	mntget(mnt);  in autofs4_mount_busy()
59 	if (!follow_down(&mnt, &dentry))  in autofs4_mount_busy()
78 	if (!may_umount_tree(mnt)) {  in autofs4_mount_busy()
88 	mntput(mnt);  in autofs4_mount_busy()
119 static int autofs4_direct_busy(struct vfsmount *mnt,  in autofs4_direct_busy()  argument
128 	if (!may_umount_tree(mnt)) {  in autofs4_direct_busy()
145 static int autofs4_tree_busy(struct vfsmount *mnt,  in autofs4_tree_busy()  argument
179 			if (autofs4_mount_busy(mnt, p)) {  in autofs4_tree_busy()
218 static struct dentry *autofs4_check_leaves(struct vfsmount *mnt,  in autofs4_check_leaves()  argument
242 			if (autofs4_mount_busy(mnt, p))  in autofs4_check_leaves()
259 				     struct vfsmount *mnt,  in autofs4_expire_direct()  argument
274 	if (!autofs4_direct_busy(mnt, root, timeout, do_now)) {  in autofs4_expire_direct()
298 				       struct vfsmount *mnt,  in autofs4_expire_indirect()  argument
353 			if (autofs4_mount_busy(mnt, dentry))  in autofs4_expire_indirect()
374 			if (!autofs4_tree_busy(mnt, dentry, timeout, do_now)) {  in autofs4_expire_indirect()
388 			expired = autofs4_check_leaves(mnt, dentry, timeout, do_now);  in autofs4_expire_indirect()
447 		      struct vfsmount *mnt,  in autofs4_expire_run()  argument
461 	if ((dentry = autofs4_expire_indirect(sb, mnt, sbi, 0)) == NULL)  in autofs4_expire_run()
483 int autofs4_expire_multi(struct super_block *sb, struct vfsmount *mnt,  in autofs4_expire_multi()  argument
494 		dentry = autofs4_expire_direct(sb, mnt, sbi, do_now);  in autofs4_expire_multi()
496 		dentry = autofs4_expire_indirect(sb, mnt, sbi, do_now);  in autofs4_expire_multi()