switch ext4 to inode->i_acl

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

fs/ext4/acl.c

@@ -134,7 +134,7 @@ ext4_iget_acl(struct inode *inode, struct posix_acl **i_acl)
 	if (acl) {
 		spin_lock(&inode->i_lock);
 		acl = *i_acl;
-		if (acl != EXT4_ACL_NOT_CACHED)
+		if (acl != ACL_NOT_CACHED)
 			acl = posix_acl_dup(acl);
 		spin_unlock(&inode->i_lock);
 	}
@@ -147,7 +147,7 @@ ext4_iset_acl(struct inode *inode, struct posix_acl **i_acl,
 		struct posix_acl *acl)
 {
 	spin_lock(&inode->i_lock);
-	if (*i_acl != EXT4_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);
@@ -161,7 +161,6 @@ ext4_iset_acl(struct inode *inode, struct posix_acl **i_acl,
 static struct posix_acl *
 ext4_get_acl(struct inode *inode, int type)
 {
-	struct ext4_inode_info *ei = EXT4_I(inode);
 	int name_index;
 	char *value = NULL;
 	struct posix_acl *acl;
@@ -172,15 +171,15 @@ ext4_get_acl(struct inode *inode, int type)
 
 	switch (type) {
 	case ACL_TYPE_ACCESS:
-		acl = ext4_iget_acl(inode, &ei->i_acl);
-		if (acl != EXT4_ACL_NOT_CACHED)
+		acl = ext4_iget_acl(inode, &inode->i_acl);
+		if (acl != ACL_NOT_CACHED)
 			return acl;
 		name_index = EXT4_XATTR_INDEX_POSIX_ACL_ACCESS;
 		break;
 
 	case ACL_TYPE_DEFAULT:
-		acl = ext4_iget_acl(inode, &ei->i_default_acl);
-		if (acl != EXT4_ACL_NOT_CACHED)
+		acl = ext4_iget_acl(inode, &inode->i_default_acl);
+		if (acl != ACL_NOT_CACHED)
 			return acl;
 		name_index = EXT4_XATTR_INDEX_POSIX_ACL_DEFAULT;
 		break;
@@ -206,11 +205,11 @@ ext4_get_acl(struct inode *inode, int type)
 	if (!IS_ERR(acl)) {
 		switch (type) {
 		case ACL_TYPE_ACCESS:
-			ext4_iset_acl(inode, &ei->i_acl, acl);
+			ext4_iset_acl(inode, &inode->i_acl, acl);
 			break;
 
 		case ACL_TYPE_DEFAULT:
-			ext4_iset_acl(inode, &ei->i_default_acl, acl);
+			ext4_iset_acl(inode, &inode->i_default_acl, acl);
 			break;
 		}
 	}
@@ -226,7 +225,6 @@ static int
 ext4_set_acl(handle_t *handle, struct inode *inode, int type,
 	     struct posix_acl *acl)
 {
-	struct ext4_inode_info *ei = EXT4_I(inode);
 	int name_index;
 	void *value = NULL;
 	size_t size = 0;
@@ -274,11 +272,11 @@ ext4_set_acl(handle_t *handle, struct inode *inode, int type,
 	if (!error) {
 		switch (type) {
 		case ACL_TYPE_ACCESS:
-			ext4_iset_acl(inode, &ei->i_acl, acl);
+			ext4_iset_acl(inode, &inode->i_acl, acl);
 			break;
 
 		case ACL_TYPE_DEFAULT:
-			ext4_iset_acl(inode, &ei->i_default_acl, acl);
+			ext4_iset_acl(inode, &inode->i_default_acl, acl);
 			break;
 		}
 	}

fs/ext4/acl.h

@@ -53,10 +53,6 @@ static inline int ext4_acl_count(size_t size)
 
 #ifdef CONFIG_EXT4_FS_POSIX_ACL
 
-/* Value for inode->u.ext4_i.i_acl and inode->u.ext4_i.i_default_acl
-   if the ACL has not been cached */
-#define EXT4_ACL_NOT_CACHED ((void *)-1)
-
 /* acl.c */
 extern int ext4_permission(struct inode *, int);
 extern int ext4_acl_chmod(struct inode *);

fs/ext4/ext4.h

@@ -595,10 +595,6 @@ struct ext4_inode_info {
 	 */
 	struct rw_semaphore xattr_sem;
 #endif
-#ifdef CONFIG_EXT4_FS_POSIX_ACL
-	struct posix_acl	*i_acl;
-	struct posix_acl	*i_default_acl;
-#endif
 
 	struct list_head i_orphan;	/* unlinked but open inodes */
 

fs/ext4/inode.c

@@ -4453,10 +4453,6 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino)
 		return inode;
 
 	ei = EXT4_I(inode);
-#ifdef CONFIG_EXT4_FS_POSIX_ACL
-	ei->i_acl = EXT4_ACL_NOT_CACHED;
-	ei->i_default_acl = EXT4_ACL_NOT_CACHED;
-#endif
 
 	ret = __ext4_get_inode_loc(inode, &iloc, 0);
 	if (ret < 0)

fs/ext4/super.c

@@ -666,10 +666,6 @@ static struct inode *ext4_alloc_inode(struct super_block *sb)
 	if (!ei)
 		return NULL;
 
-#ifdef CONFIG_EXT4_FS_POSIX_ACL
-	ei->i_acl = EXT4_ACL_NOT_CACHED;
-	ei->i_default_acl = EXT4_ACL_NOT_CACHED;
-#endif
 	ei->vfs_inode.i_version = 1;
 	ei->vfs_inode.i_data.writeback_index = 0;
 	memset(&ei->i_cached_extent, 0, sizeof(struct ext4_ext_cache));
@@ -735,18 +731,6 @@ static void destroy_inodecache(void)
 
 static void ext4_clear_inode(struct inode *inode)
 {
-#ifdef CONFIG_EXT4_FS_POSIX_ACL
-	if (EXT4_I(inode)->i_acl &&
-			EXT4_I(inode)->i_acl != EXT4_ACL_NOT_CACHED) {
-		posix_acl_release(EXT4_I(inode)->i_acl);
-		EXT4_I(inode)->i_acl = EXT4_ACL_NOT_CACHED;
-	}
-	if (EXT4_I(inode)->i_default_acl &&
-			EXT4_I(inode)->i_default_acl != EXT4_ACL_NOT_CACHED) {
-		posix_acl_release(EXT4_I(inode)->i_default_acl);
-		EXT4_I(inode)->i_default_acl = EXT4_ACL_NOT_CACHED;
-	}
-#endif
 	ext4_discard_preallocations(inode);
 	if (EXT4_JOURNAL(inode))
 		jbd2_journal_release_jbd_inode(EXT4_SB(inode->i_sb)->s_journal,