tree d405e2302511adec7d25024679b8ac2cbd95d608
parent 8b61e74ffc6310e1d35a9b51c8463093851f8bcf
author Al Viro <viro@zeniv.linux.org.uk> 1380899202 -0400
committer Al Viro <viro@zeniv.linux.org.uk> 1383974180 -0500

get rid of s_files and files_lock

The only thing we need it for is alt-sysrq-r (emergency remount r/o)
and these days we can do just as well without going through the
list of files.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>