commit ee2ffa0dfdd2db19705f2ba1c6a4c0bfe8122dd8
author Nick Piggin <npiggin@kernel.dk> Wed Aug 18 04:37:35 2010 +1000
committer Al Viro <viro@zeniv.linux.org.uk> Wed Aug 18 08:35:47 2010 -0400
tree e48400d1a33f8d2e68589ccfd61637aa64462f08
parent b04f784e5d19ed58892833dae845738972cea260

fs: cleanup files_lock locking

fs: cleanup files_lock locking

Lock tty_files with a new spinlock, tty_files_lock; provide helpers to
manipulate the per-sb files list; unexport the files_lock spinlock.

Cc: linux-kernel@vger.kernel.org
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Acked-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Nick Piggin <npiggin@kernel.dk>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>