fs: take the ACL checks to common code

Replace the ->check_acl method with a ->get_acl method that simply reads an
ACL from disk after having a cache miss.  This means we can replace the ACL
checking boilerplate code with a single implementation in namei.c.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

4 files changed, 2 insertions, 9 deletions

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 7a757a48a5c6..12f84b30c3ca 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1586,7 +1586,7 @@ struct inode_operations {
         struct dentry * (*lookup) (struct inode *,struct dentry *, struct nameidata *);
         void * (*follow_link) (struct dentry *, struct nameidata *);
         int (*permission) (struct inode *, int);
-        int (*check_acl)(struct inode *, int);
+        struct posix_acl * (*get_acl)(struct inode *, int);
 
         int (*readlink) (struct dentry *, char __user *,int);
         void (*put_link) (struct dentry *, struct nameidata *, void *);
diff --git a/include/linux/generic_acl.h b/include/linux/generic_acl.h
index 574bea4013b6..b6d657544ef1 100644
--- a/include/linux/generic_acl.h
+++ b/include/linux/generic_acl.h
@@ -10,6 +10,5 @@ extern const struct xattr_handler generic_acl_default_handler;
 
 int generic_acl_init(struct inode *, struct inode *);
 int generic_acl_chmod(struct inode *);
-int generic_check_acl(struct inode *inode, int mask);
 
 #endif /* LINUX_GENERIC_ACL_H */
diff --git a/include/linux/reiserfs_acl.h b/include/linux/reiserfs_acl.h
index 3fd8c4506bbb..f096b80e73d8 100644
--- a/include/linux/reiserfs_acl.h
+++ b/include/linux/reiserfs_acl.h
@@ -59,11 +59,7 @@ extern const struct xattr_handler reiserfs_posix_acl_access_handler;
 #else
 
 #define reiserfs_cache_default_acl(inode) 0
-
-static inline struct posix_acl *reiserfs_get_acl(struct inode *inode, int type)
-{
-        return NULL;
-}
+#define reiserfs_get_acl NULL
 
 static inline int reiserfs_acl_chmod(struct inode *inode)
 {
diff --git a/include/linux/reiserfs_xattr.h b/include/linux/reiserfs_xattr.h
index 57958c0e1d38..c2b71473266e 100644
--- a/include/linux/reiserfs_xattr.h
+++ b/include/linux/reiserfs_xattr.h
@@ -45,7 +45,6 @@ int reiserfs_permission(struct inode *inode, int mask);
 
 #ifdef CONFIG_REISERFS_FS_XATTR
 #define has_xattr_dir(inode) (REISERFS_I(inode)->i_flags & i_has_xattr_dir)
-int reiserfs_check_acl(struct inode *inode, int mask);
 ssize_t reiserfs_getxattr(struct dentry *dentry, const char *name,
                           void *buffer, size_t size);
 int reiserfs_setxattr(struct dentry *dentry, const char *name,
@@ -123,7 +122,6 @@ static inline void reiserfs_init_xattr_rwsem(struct inode *inode)
 #define reiserfs_setxattr NULL
 #define reiserfs_listxattr NULL
 #define reiserfs_removexattr NULL
-#define reiserfs_check_acl NULL
 
 static inline void reiserfs_init_xattr_rwsem(struct inode *inode)
 {