bcachefs: merge BCH_INODE_FIELDS_INHERIT/BCH_INODE_OPTS

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

fs/bcachefs/bcachefs_format.h

@@ -716,16 +716,17 @@ struct bch_inode_generation {
 	x(bi_background_target,		16)	\
 	x(bi_erasure_code,		16)
 
-#define BCH_INODE_FIELDS_INHERIT()		\
-	x(bi_data_checksum)			\
-	x(bi_compression)			\
-	x(bi_project)				\
-	x(bi_background_compression)		\
-	x(bi_data_replicas)			\
-	x(bi_promote_target)			\
-	x(bi_foreground_target)			\
-	x(bi_background_target)			\
-	x(bi_erasure_code)
+/* subset of BCH_INODE_FIELDS */
+#define BCH_INODE_OPTS()			\
+	x(data_checksum,		8)	\
+	x(compression,			8)	\
+	x(project,			32)	\
+	x(background_compression,	8)	\
+	x(data_replicas,		8)	\
+	x(promote_target,		16)	\
+	x(foreground_target,		16)	\
+	x(background_target,		16)	\
+	x(erasure_code,			16)
 
 enum {
 	/*

fs/bcachefs/inode.c

@@ -265,8 +265,8 @@ void bch2_inode_init(struct bch_fs *c, struct bch_inode_unpacked *inode_u,
 	inode_u->bi_otime	= now;
 
 	if (parent) {
-#define x(_name)	inode_u->_name = parent->_name;
-		BCH_INODE_FIELDS_INHERIT()
+#define x(_name, ...)	inode_u->bi_##_name = parent->bi_##_name;
+		BCH_INODE_OPTS()
 #undef x
 	}
 }

fs/bcachefs/opts.h

@@ -188,7 +188,10 @@ enum opt_type {
 		NO_SB_OPT,			false)			\
 	BCH_OPT(version_upgrade,	u8,	OPT_MOUNT,		\
 		OPT_BOOL(),						\
-		NO_SB_OPT,			false)
+		NO_SB_OPT,			false)			\
+	BCH_OPT(project,		u8,	OPT_INTERNAL,		\
+		OPT_BOOL(),						\
+		NO_SB_OPT,			false)			\
 
 struct bch_opts {
 #define BCH_OPT(_name, _bits, ...)	unsigned _name##_defined:1;
@@ -281,16 +284,6 @@ int bch2_parse_mount_opts(struct bch_opts *, char *);
 
 /* inode opts: */
 
-#define BCH_INODE_OPTS()			\
-	x(data_checksum,		8)	\
-	x(compression,			8)	\
-	x(background_compression,	8)	\
-	x(data_replicas,		8)	\
-	x(promote_target,		16)	\
-	x(foreground_target,		16)	\
-	x(background_target,		16)	\
-	x(erasure_code,			16)
-
 struct bch_io_opts {
 #define x(_name, _bits)	unsigned _name##_defined:1;
 	BCH_INODE_OPTS()