From: David Sterba <dsterba@suse.com>
Date: Wed, 1 Feb 2017 13:17:12 +0000 (+0100)
Subject: btrfs-progs: mkfs: describe fields of btrfs_mkfs_config
X-Git-Tag: upstream/4.16.1~801
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a2ed85a11ddbc152190b8dd24a59920ffec3f027;p=platform%2Fupstream%2Fbtrfs-progs.git

btrfs-progs: mkfs: describe fields of btrfs_mkfs_config

Signed-off-by: David Sterba <dsterba@suse.com>
---

diff --git a/mkfs/common.h b/mkfs/common.h
index 7011c67..09edc28 100644
--- a/mkfs/common.h
+++ b/mkfs/common.h
@@ -29,17 +29,24 @@
 #define BTRFS_MKFS_SMALL_VOLUME_SIZE SZ_1G
 
 struct btrfs_mkfs_config {
+	/* Label of the new filesystem */
 	char *label;
-	char fs_uuid[BTRFS_UUID_UNPARSED_SIZE];
-	char chunk_uuid[BTRFS_UUID_UNPARSED_SIZE];
-	u64 blocks[8];
-	u64 num_bytes;
+	/* Blck sizes */
 	u32 nodesize;
 	u32 sectorsize;
 	u32 stripesize;
+	/* Bitfield of incompat features, BTRFS_FEATURE_INCOMPAT_* */
 	u64 features;
+	/* Size of the filesystem in bytes */
+	u64 num_bytes;
+	/* Logical addresses of superblock [0] and other tree roots */
+	u64 blocks[8];
+
+	/* Output fields, set during creation */
+	char fs_uuid[BTRFS_UUID_UNPARSED_SIZE];
+	char chunk_uuid[BTRFS_UUID_UNPARSED_SIZE];
 
-	/* Super bytenr after make_btrfs */
+	/* Superblock offset after make_btrfs */
 	u64 super_bytenr;
 };