tree f5d7aba2dfbb747a97d783b7cc6a486922c42559
parent 3ca30d40a91fb9b9871e61d5dea2c1a895906a15
author Linus Torvalds <torvalds@linux-foundation.org> 1311388219 -0700
committer Al Viro <viro@zeniv.linux.org.uk> 1311618219 -0400

vfs: move ACL cache lookup into generic code

This moves logic for checking the cached ACL values from low-level
filesystems into generic code.  The end result is a streamlined ACL
check that doesn't need to load the inode->i_op->check_acl pointer at
all for the common cached case.

The filesystems also don't need to check for a non-blocking RCU walk
case in their acl_check() functions, because that is all handled at a
VFS layer.

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