ext2/3/4: use generic posix ACL infrastructure

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/ext2/namei.c

@@ -421,6 +421,7 @@ const struct inode_operations ext2_dir_inode_operations = {
 #endif
 	.setattr	= ext2_setattr,
 	.get_acl	= ext2_get_acl,
+	.set_acl	= ext2_set_acl,
 	.tmpfile	= ext2_tmpfile,
 };
 
@@ -433,4 +434,5 @@ const struct inode_operations ext2_special_inode_operations = {
 #endif
 	.setattr	= ext2_setattr,
 	.get_acl	= ext2_get_acl,
+	.set_acl	= ext2_set_acl,
 };