From b1e6a015a580ad145689ad1d6b4aa0e03e6c868b Mon Sep 17 00:00:00 2001 From: Nick Piggin Date: Fri, 7 Jan 2011 17:49:28 +1100 Subject: fs: change d_hash for rcu-walk Change d_hash so it may be called from lock-free RCU lookups. See similar patch for d_compare for details. For in-tree filesystems, this is just a mechanical change. Signed-off-by: Nick Piggin --- Documentation/filesystems/porting | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'Documentation/filesystems/porting') diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting index d44511e20828..9fd31940a8ef 100644 --- a/Documentation/filesystems/porting +++ b/Documentation/filesystems/porting @@ -333,3 +333,10 @@ unreferenced dentries, and is now only called when the dentry refcount goes to .d_compare() calling convention and locking rules are significantly changed. Read updated documentation in Documentation/filesystems/vfs.txt (and look at examples of other filesystems) for guidance. + +--- +[mandatory] + + .d_hash() calling convention and locking rules are significantly +changed. Read updated documentation in Documentation/filesystems/vfs.txt (and +look at examples of other filesystems) for guidance. -- cgit v1.2.3