fs: provide rcu-walk aware permission i_ops

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

1 files changed, 3 insertions, 3 deletions

diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking
index e90ffe61eb65..977d8919cc69 100644
--- a/Documentation/filesystems/Locking
+++ b/Documentation/filesystems/Locking
@@ -47,8 +47,8 @@ ata *);
         void * (*follow_link) (struct dentry *, struct nameidata *);
         void (*put_link) (struct dentry *, struct nameidata *, void *);
         void (*truncate) (struct inode *);
-        int (*permission) (struct inode *, int, struct nameidata *);
-        int (*check_acl)(struct inode *, int);
+        int (*permission) (struct inode *, int, unsigned int);
+        int (*check_acl)(struct inode *, int, unsigned int);
         int (*setattr) (struct dentry *, struct iattr *);
         int (*getattr) (struct vfsmount *, struct dentry *, struct kstat *);
         int (*setxattr) (struct dentry *, const char *,const void *,size_t,int);
@@ -76,7 +76,7 @@ follow_link:	no
 put_link:       no
 truncate:       yes             (see below)
 setattr:        yes
-permission:     no
+permission:     no (may not block if called in rcu-walk mode)
 check_acl:      no
 getattr:        no
 setxattr:       yes