switch reiserfs to usual conventions for caching ACLs

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 2969773cfc22abb000e2eceb90f0011ef0fd2f34..b194451fc04bcb7768e7ad372d40d9ecece8ccfe 100644 (file)
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -530,8 +530,8 @@ static void init_once(void *foo)
        INIT_LIST_HEAD(&ei->i_prealloc_list);
        inode_init_once(&ei->vfs_inode);
 #ifdef CONFIG_REISERFS_FS_POSIX_ACL
-       ei->i_acl_access = NULL;
-       ei->i_acl_default = NULL;
+       ei->i_acl_access = ACL_NOT_CACHED;
+       ei->i_acl_default = ACL_NOT_CACHED;
 #endif
 }
 
@@ -586,14 +586,14 @@ static void reiserfs_clear_inode(struct inode *inode)
        struct posix_acl *acl;
 
        acl = REISERFS_I(inode)->i_acl_access;
-       if (acl && !IS_ERR(acl))
+       if (acl && acl != ACL_NOT_CACHED)
                posix_acl_release(acl);
-       REISERFS_I(inode)->i_acl_access = NULL;
+       REISERFS_I(inode)->i_acl_access = ACL_NOT_CACHED;
 
        acl = REISERFS_I(inode)->i_acl_default;
-       if (acl && !IS_ERR(acl))
+       if (acl && acl != ACL_NOT_CACHED)
                posix_acl_release(acl);
-       REISERFS_I(inode)->i_acl_default = NULL;
+       REISERFS_I(inode)->i_acl_default = ACL_NOT_CACHED;
 }
 #else
 #define reiserfs_clear_inode NULL

diff --git a/fs/reiserfs/xattr_acl.c b/fs/reiserfs/xattr_acl.c
index a1a7e3530e17dc1f891985e1bd3cb9a8a32e34fc..7b3aeb9327d30b8c904b93a762b812e2860b940f 100644 (file)
--- a/fs/reiserfs/xattr_acl.c
+++ b/fs/reiserfs/xattr_acl.c
@@ -192,19 +192,19 @@ static inline void iset_acl(struct inode *inode, struct posix_acl **i_acl,
                            struct posix_acl *acl)
 {
        spin_lock(&inode->i_lock);
-       if (*i_acl != ERR_PTR(-ENODATA))
+       if (*i_acl != ACL_NOT_CACHED)
                posix_acl_release(*i_acl);
-       *i_acl = acl ? posix_acl_dup(acl) : ERR_PTR(-ENODATA);
+       *i_acl = posix_acl_dup(acl);
        spin_unlock(&inode->i_lock);
 }
 
 static inline struct posix_acl *iget_acl(struct inode *inode,
                                         struct posix_acl **i_acl)
 {
-       struct posix_acl *acl = ERR_PTR(-ENODATA);
+       struct posix_acl *acl = ACL_NOT_CACHED;
 
        spin_lock(&inode->i_lock);
-       if (*i_acl != ERR_PTR(-ENODATA))
+       if (*i_acl != ACL_NOT_CACHED)
                acl = posix_acl_dup(*i_acl);
        spin_unlock(&inode->i_lock);
 
@@ -239,15 +239,13 @@ struct posix_acl *reiserfs_get_acl(struct inode *inode, int type)
        }
 
        acl = iget_acl(inode, p_acl);
-       if (acl && !IS_ERR(acl))
+       if (acl != ACL_NOT_CACHED)
                return acl;
-       else if (PTR_ERR(acl) == -ENODATA)
-               return NULL;
 
        size = reiserfs_xattr_get(inode, name, NULL, 0);
        if (size < 0) {
                if (size == -ENODATA || size == -ENOSYS) {
-                       *p_acl = ERR_PTR(-ENODATA);
+                       *p_acl = NULL;
                        return NULL;
                }
                return ERR_PTR(size);
@@ -262,7 +260,7 @@ struct posix_acl *reiserfs_get_acl(struct inode *inode, int type)
                /* This shouldn't actually happen as it should have
                   been caught above.. but just in case */
                acl = NULL;
-               *p_acl = ERR_PTR(-ENODATA);
+               *p_acl = acl;
        } else if (retval < 0) {
                acl = ERR_PTR(retval);
        } else {
@@ -379,11 +377,8 @@ reiserfs_inherit_default_acl(struct reiserfs_transaction_handle *th,
        }
 
        acl = reiserfs_get_acl(dir, ACL_TYPE_DEFAULT);
-       if (IS_ERR(acl)) {
-               if (PTR_ERR(acl) == -ENODATA)
-                       goto apply_umask;
+       if (IS_ERR(acl))
                return PTR_ERR(acl);
-       }
 
        if (acl) {
                struct posix_acl *acl_copy;

diff --git a/include/linux/reiserfs_acl.h b/include/linux/reiserfs_acl.h
index 8cc65757e47adfc476ed4b2ca2c1d020c06ab6bf..8f4d8d718b10b174fafb35343bd5ee7b8a975b6b 100644 (file)
--- a/include/linux/reiserfs_acl.h
+++ b/include/linux/reiserfs_acl.h
@@ -58,12 +58,12 @@ extern struct xattr_handler reiserfs_posix_acl_access_handler;
 
 static inline void reiserfs_init_acl_access(struct inode *inode)
 {
-       REISERFS_I(inode)->i_acl_access = NULL;
+       REISERFS_I(inode)->i_acl_access = ACL_NOT_CACHED;
 }
 
 static inline void reiserfs_init_acl_default(struct inode *inode)
 {
-       REISERFS_I(inode)->i_acl_default = NULL;
+       REISERFS_I(inode)->i_acl_default = ACL_NOT_CACHED;
 }
 #else