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authorPatrick McHardy <kaber@trash.net>2011-01-14 14:12:37 +0100
committerPatrick McHardy <kaber@trash.net>2011-01-14 14:12:37 +0100
commit0134e89c7bcc9fde1da962c82a120691e185619f (patch)
tree3e03335cf001019a2687d161e956de4f73379984 /include/linux/posix_acl.h
parentc7066f70d9610df0b9406cc635fc09e86136e714 (diff)
parent6faee60a4e82075853a437831768cc9e2e563e4e (diff)
Merge branch 'master' of git://1984.lsi.us.es/net-next-2.6
Conflicts: net/ipv4/route.c Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'include/linux/posix_acl.h')
-rw-r--r--include/linux/posix_acl.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/include/linux/posix_acl.h b/include/linux/posix_acl.h
index 67608161df6b..d68283a898bb 100644
--- a/include/linux/posix_acl.h
+++ b/include/linux/posix_acl.h
@@ -108,6 +108,25 @@ static inline struct posix_acl *get_cached_acl(struct inode *inode, int type)
return acl;
}
+static inline int negative_cached_acl(struct inode *inode, int type)
+{
+ struct posix_acl **p, *acl;
+ switch (type) {
+ case ACL_TYPE_ACCESS:
+ p = &inode->i_acl;
+ break;
+ case ACL_TYPE_DEFAULT:
+ p = &inode->i_default_acl;
+ break;
+ default:
+ BUG();
+ }
+ acl = ACCESS_ONCE(*p);
+ if (acl)
+ return 0;
+ return 1;
+}
+
static inline void set_cached_acl(struct inode *inode,
int type,
struct posix_acl *acl)