X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=btrfs-sb-mod.c;h=ccefc98c1fc74f9b2c2fe8c79a6d1e57a31a1fc8;hb=22d39a9e0f048b9241b0fc22e6ef2151da07cfb4;hp=8f5beadf5222059bb1a2c8ad297fd6c6bb821168;hpb=d04d25fb14ab7eb9a6f29dd877431f1afb58192e;p=platform%2Fupstream%2Fbtrfs-progs.git

diff --git a/btrfs-sb-mod.c b/btrfs-sb-mod.c
index 8f5bead..ccefc98 100644
--- a/btrfs-sb-mod.c
+++ b/btrfs-sb-mod.c
@@ -110,6 +110,7 @@ struct fspec {
 enum field_type {
 	TYPE_UNKNOWN,
 	TYPE_U64,
+	TYPE_U16,
 };
 
 struct sb_field {
@@ -123,21 +124,40 @@ struct sb_field {
 	{ .name = "chunk_root_generation", .type = TYPE_U64 },
 	{ .name = "cache_generation", .type = TYPE_U64 },
 	{ .name = "uuid_tree_generation", .type = TYPE_U64 },
+	{ .name = "csum_type", .type = TYPE_U16 },
 };
 
-#define MOD_FIELD(fname, set, val)					\
+#define MOD_FIELD_XX(fname, set, val, bits, f_dec, f_hex, f_type)	\
 	else if (strcmp(name, #fname) == 0) {				\
 		if (set) {						\
-			printf("SET: %s %llu (0x%llx)\n", #fname,	\
-			(unsigned long long)*val, (unsigned long long)*val);	\
-			sb->fname = cpu_to_le64(*val);			\
+			printf("SET: "#fname" "f_dec" (0x"f_hex")\n", \
+			(f_type)*val, (f_type)*val);				\
+			sb->fname = cpu_to_le##bits(*val);			\
 		} else {							\
-			*val = le64_to_cpu(sb->fname);			\
-			printf("GET: %s %llu (0x%llx)\n", #fname, 	\
-			(unsigned long long)*val, (unsigned long long)*val);	\
+			*val = le##bits##_to_cpu(sb->fname);			\
+			printf("GET: "#fname" "f_dec" (0x"f_hex")\n", 	\
+			(f_type)*val, (f_type)*val);			\
 		}							\
 	}
 
+#define MOD_FIELD64(fname, set, val)					\
+	MOD_FIELD_XX(fname, set, val, 64, "%llu", "%llx", unsigned long long)
+
+/* Alias for u64 */
+#define MOD_FIELD(fname, set, val)	MOD_FIELD64(fname, set, val)
+
+/*
+ * Support only GET and SET properly, ADD and SUB may work
+ */
+#define MOD_FIELD32(fname, set, val)					\
+	MOD_FIELD_XX(fname, set, val, 32, "%u", "%x", unsigned int)
+
+#define MOD_FIELD16(fname, set, val)					\
+	MOD_FIELD_XX(fname, set, val, 16, "%hu", "%hx", unsigned short int)
+
+#define MOD_FIELD8(fname, set, val)					\
+	MOD_FIELD_XX(fname, set, val, 8, "%hhu", "%hhx", unsigned char)
+
 static void mod_field_by_name(struct btrfs_super_block *sb, int set, const char *name,
 		u64 *val)
 {
@@ -149,6 +169,7 @@ static void mod_field_by_name(struct btrfs_super_block *sb, int set, const char
 		MOD_FIELD(chunk_root_generation, set, val)
 		MOD_FIELD(cache_generation, set, val)
 		MOD_FIELD(uuid_tree_generation, set, val)
+		MOD_FIELD16(csum_type, set, val)
 	else {
 		printf("ERROR: unhandled field: %s\n", name);
 		exit(1);