[PATCH] pivot_root: add comment (4a0d11fa) · Commits · e / devices / android_kernel_sony_msm8998

fs/namespace.c

+4 −0

Original line number	Original line	Diff line number	Diff line
	@@ -1526,6 +1526,10 @@ static void chroot_fs_refs(struct nameidata old_nd, struct nameidata new_nd)
	* pointed to by put_old must yield the same directory as new_root. No other		* pointed to by put_old must yield the same directory as new_root. No other
	* file system may be mounted on put_old. After all, new_root is a mountpoint.		* file system may be mounted on put_old. After all, new_root is a mountpoint.
	*		*
			* Also, the current root cannot be on the 'rootfs' (initial ramfs) filesystem.
			* See Documentation/filesystems/ramfs-rootfs-initramfs.txt for alternatives
			* in this situation.
			*
	* Notes:		* Notes:
	* - we don't move root/cwd if they are not at the root (reason: if something		* - we don't move root/cwd if they are not at the root (reason: if something
	* cared enough to change them, it's probably wrong to force them elsewhere)		* cared enough to change them, it's probably wrong to force them elsewhere)