From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Fri, 28 Aug 2009 18:51:25 +0000 (-0700)
Subject: Make 'check_acl()' a first-class filesystem op
X-Git-Tag: v2.6.32-rc1~739^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5909ccaa300a4a834ffa275327af4df0b9cb5295;p=pandora-kernel.git

Make 'check_acl()' a first-class filesystem op

This is stage one in flattening out the callchains for the common
permission testing.  Rather than have most filesystem implement their
own inode->i_op->permission function that just calls back down to the
VFS layers 'generic_permission()' with the per-filesystem ACL checking
function, the filesystem can just expose its 'check_acl' function
directly, and let the VFS layer do everything for it.

This is all just preparatory - no filesystem actually enables this yet.

Reviewed-by: James Morris <jmorris@namei.org>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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