switch ext2 to inode->i_acl

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

fs/ext2/acl.c

@@ -128,10 +128,10 @@ ext2_acl_to_disk(const struct posix_acl *acl, size_t *size)
 static inline struct posix_acl *
 ext2_iget_acl(struct inode *inode, struct posix_acl **i_acl)
 {
-	struct posix_acl *acl = EXT2_ACL_NOT_CACHED;
+	struct posix_acl *acl = ACL_NOT_CACHED;
 
 	spin_lock(&inode->i_lock);
-	if (*i_acl != EXT2_ACL_NOT_CACHED)
+	if (*i_acl != ACL_NOT_CACHED)
 		acl = posix_acl_dup(*i_acl);
 	spin_unlock(&inode->i_lock);
 
@@ -143,7 +143,7 @@ ext2_iset_acl(struct inode *inode, struct posix_acl **i_acl,
 		   struct posix_acl *acl)
 {
 	spin_lock(&inode->i_lock);
-	if (*i_acl != EXT2_ACL_NOT_CACHED)
+	if (*i_acl != ACL_NOT_CACHED)
 		posix_acl_release(*i_acl);
 	*i_acl = posix_acl_dup(acl);
 	spin_unlock(&inode->i_lock);
@@ -155,7 +155,6 @@ ext2_iset_acl(struct inode *inode, struct posix_acl **i_acl,
 static struct posix_acl *
 ext2_get_acl(struct inode *inode, int type)
 {
-	struct ext2_inode_info *ei = EXT2_I(inode);
 	int name_index;
 	char *value = NULL;
 	struct posix_acl *acl;
@@ -166,15 +165,15 @@ ext2_get_acl(struct inode *inode, int type)
 
 	switch(type) {
 		case ACL_TYPE_ACCESS:
-			acl = ext2_iget_acl(inode, &ei->i_acl);
-			if (acl != EXT2_ACL_NOT_CACHED)
+			acl = ext2_iget_acl(inode, &inode->i_acl);
+			if (acl != ACL_NOT_CACHED)
 				return acl;
 			name_index = EXT2_XATTR_INDEX_POSIX_ACL_ACCESS;
 			break;
 
 		case ACL_TYPE_DEFAULT:
-			acl = ext2_iget_acl(inode, &ei->i_default_acl);
-			if (acl != EXT2_ACL_NOT_CACHED)
+			acl = ext2_iget_acl(inode, &inode->i_default_acl);
+			if (acl != ACL_NOT_CACHED)
 				return acl;
 			name_index = EXT2_XATTR_INDEX_POSIX_ACL_DEFAULT;
 			break;
@@ -200,11 +199,11 @@ ext2_get_acl(struct inode *inode, int type)
 	if (!IS_ERR(acl)) {
 		switch(type) {
 			case ACL_TYPE_ACCESS:
-				ext2_iset_acl(inode, &ei->i_acl, acl);
+				ext2_iset_acl(inode, &inode->i_acl, acl);
 				break;
 
 			case ACL_TYPE_DEFAULT:
-				ext2_iset_acl(inode, &ei->i_default_acl, acl);
+				ext2_iset_acl(inode, &inode->i_default_acl, acl);
 				break;
 		}
 	}
@@ -217,7 +216,6 @@ ext2_get_acl(struct inode *inode, int type)
 static int
 ext2_set_acl(struct inode *inode, int type, struct posix_acl *acl)
 {
-	struct ext2_inode_info *ei = EXT2_I(inode);
 	int name_index;
 	void *value = NULL;
 	size_t size = 0;
@@ -266,11 +264,11 @@ ext2_set_acl(struct inode *inode, int type, struct posix_acl *acl)
 	if (!error) {
 		switch(type) {
 			case ACL_TYPE_ACCESS:
-				ext2_iset_acl(inode, &ei->i_acl, acl);
+				ext2_iset_acl(inode, &inode->i_acl, acl);
 				break;
 
 			case ACL_TYPE_DEFAULT:
-				ext2_iset_acl(inode, &ei->i_default_acl, acl);
+				ext2_iset_acl(inode, &inode->i_default_acl, acl);
 				break;
 		}
 	}

fs/ext2/acl.h

@@ -53,10 +53,6 @@ static inline int ext2_acl_count(size_t size)
 
 #ifdef CONFIG_EXT2_FS_POSIX_ACL
 
-/* Value for inode->u.ext2_i.i_acl and inode->u.ext2_i.i_default_acl
-   if the ACL has not been cached */
-#define EXT2_ACL_NOT_CACHED ((void *)-1)
-
 /* acl.c */
 extern int ext2_permission (struct inode *, int);
 extern int ext2_acl_chmod (struct inode *);

fs/ext2/ext2.h

@@ -46,10 +46,6 @@ struct ext2_inode_info {
 	 * EAs.
 	 */
 	struct rw_semaphore xattr_sem;
-#endif
-#ifdef CONFIG_EXT2_FS_POSIX_ACL
-	struct posix_acl	*i_acl;
-	struct posix_acl	*i_default_acl;
 #endif
 	rwlock_t i_meta_lock;
 

fs/ext2/inode.c

@@ -1224,10 +1224,6 @@ struct inode *ext2_iget (struct super_block *sb, unsigned long ino)
 		return inode;
 
 	ei = EXT2_I(inode);
-#ifdef CONFIG_EXT2_FS_POSIX_ACL
-	ei->i_acl = EXT2_ACL_NOT_CACHED;
-	ei->i_default_acl = EXT2_ACL_NOT_CACHED;
-#endif
 	ei->i_block_alloc_info = NULL;
 
 	raw_inode = ext2_get_inode(inode->i_sb, ino, &bh);

fs/ext2/super.c

@@ -152,10 +152,6 @@ static struct inode *ext2_alloc_inode(struct super_block *sb)
 	ei = (struct ext2_inode_info *)kmem_cache_alloc(ext2_inode_cachep, GFP_KERNEL);
 	if (!ei)
 		return NULL;
-#ifdef CONFIG_EXT2_FS_POSIX_ACL
-	ei->i_acl = EXT2_ACL_NOT_CACHED;
-	ei->i_default_acl = EXT2_ACL_NOT_CACHED;
-#endif
 	ei->i_block_alloc_info = NULL;
 	ei->vfs_inode.i_version = 1;
 	return &ei->vfs_inode;
@@ -198,18 +194,6 @@ static void destroy_inodecache(void)
 static void ext2_clear_inode(struct inode *inode)
 {
 	struct ext2_block_alloc_info *rsv = EXT2_I(inode)->i_block_alloc_info;
-#ifdef CONFIG_EXT2_FS_POSIX_ACL
-	struct ext2_inode_info *ei = EXT2_I(inode);
-
-	if (ei->i_acl && ei->i_acl != EXT2_ACL_NOT_CACHED) {
-		posix_acl_release(ei->i_acl);
-		ei->i_acl = EXT2_ACL_NOT_CACHED;
-	}
-	if (ei->i_default_acl && ei->i_default_acl != EXT2_ACL_NOT_CACHED) {
-		posix_acl_release(ei->i_default_acl);
-		ei->i_default_acl = EXT2_ACL_NOT_CACHED;
-	}
-#endif
 	ext2_discard_reservation(inode);
 	EXT2_I(inode)->i_block_alloc_info = NULL;
 	if (unlikely(rsv))