From 1681bc30f272dd2fe347b90468791b05c7044f03 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Tue, 13 Jan 2009 13:53:48 +0300 Subject: proc: move fs/proc/inode-alloc.txt comment into a source file so that people will realize that it exists and can update it as needed. Signed-off-by: Randy Dunlap Signed-off-by: Andrew Morton Signed-off-by: Alexey Dobriyan --- fs/proc/generic.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'fs/proc/generic.c') diff --git a/fs/proc/generic.c b/fs/proc/generic.c index 5d2989e9dcc1..8c68bbe2b61e 100644 --- a/fs/proc/generic.c +++ b/fs/proc/generic.c @@ -307,6 +307,21 @@ static DEFINE_SPINLOCK(proc_inum_lock); /* protects the above */ /* * Return an inode number between PROC_DYNAMIC_FIRST and * 0xffffffff, or zero on failure. + * + * Current inode allocations in the proc-fs (hex-numbers): + * + * 00000000 reserved + * 00000001-00000fff static entries (goners) + * 001 root-ino + * + * 00001000-00001fff unused + * 0001xxxx-7fffxxxx pid-dir entries for pid 1-7fff + * 80000000-efffffff unused + * f0000000-ffffffff dynamic entries + * + * Goal: + * Once we split the thing into several virtual filesystems, + * we will get rid of magical ranges (and this comment, BTW). */ static unsigned int get_inode_number(void) { -- cgit v1.2.3