commit b74c79e99389cd79b31fcc08f82c24e492e63c7e
author Nick Piggin <npiggin@kernel.dk> Fri Jan 07 17:49:58 2011 +1100
committer Nick Piggin <npiggin@kernel.dk> Fri Jan 07 17:50:29 2011 +1100
tree 763c6b412517306670bc625e90035f2d16bb739f
parent 34286d6662308d82aed891852d04c7c3a2649b16

fs: provide rcu-walk aware permission i_ops

Signed-off-by: Nick Piggin <npiggin@kernel.dk>

fs/9p/acl.c

diff --git a/fs/9p/acl.c b/fs/9p/acl.c
index 12d6023..6e58c4c 100644
--- a/fs/9p/acl.c
+++ b/fs/9p/acl.c
@@ -91,11 +91,14 @@
 	return acl;
 }
 
-int v9fs_check_acl(struct inode *inode, int mask)
+int v9fs_check_acl(struct inode *inode, int mask, unsigned int flags)
 {
 	struct posix_acl *acl;
 	struct v9fs_session_info *v9ses;
 
+	if (flags & IPERM_FLAG_RCU)
+		return -ECHILD;
+
 	v9ses = v9fs_inode2v9ses(inode);
 	if ((v9ses->flags & V9FS_ACCESS_MASK) != V9FS_ACCESS_CLIENT) {
 		/*