X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=btrfstune.c;h=eccedf79a8039641693739dd2d58c1d4c5478748;hb=046be13c551db8f1ed32cffaf3b4bbe3c9b784da;hp=b5a1c2fef7d139bc446ca02d3c7791868dfb8019;hpb=8690c887d1dcad384d44ca21bf950a4ec2fbffdb;p=platform%2Fupstream%2Fbtrfs-progs.git

diff --git a/btrfstune.c b/btrfstune.c
index b5a1c2f..eccedf7 100644
--- a/btrfstune.c
+++ b/btrfstune.c
@@ -66,6 +66,7 @@ static int update_seeding_flag(struct btrfs_root *root, int set_flag)
 	}
 
 	trans = btrfs_start_transaction(root, 1);
+	BUG_ON(IS_ERR(trans));
 	btrfs_set_super_flags(disk_super, super_flags);
 	ret = btrfs_commit_transaction(trans, root);
 
@@ -83,6 +84,7 @@ static int set_super_incompat_flags(struct btrfs_root *root, u64 flags)
 	super_flags = btrfs_super_incompat_flags(disk_super);
 	super_flags |= flags;
 	trans = btrfs_start_transaction(root, 1);
+	BUG_ON(IS_ERR(trans));
 	btrfs_set_super_incompat_flags(disk_super, super_flags);
 	ret = btrfs_commit_transaction(trans, root);
 
@@ -111,7 +113,7 @@ static int change_header_uuid(struct btrfs_root *root, struct extent_buffer *eb)
 		write_extent_buffer(eb, fs_info->new_chunk_tree_uuid,
 				    btrfs_header_chunk_tree_uuid(eb),
 				    BTRFS_UUID_SIZE);
-	ret = write_tree_block(NULL, root, eb);
+	ret = write_tree_block(NULL, fs_info, eb);
 
 	return ret;
 }
@@ -149,7 +151,7 @@ static int change_extents_uuid(struct btrfs_fs_info *fs_info)
 			goto next;
 
 		bytenr = key.objectid;
-		eb = read_tree_block(fs_info, bytenr, fs_info->nodesize, 0);
+		eb = read_tree_block(fs_info, bytenr, 0);
 		if (IS_ERR(eb)) {
 			error("failed to read tree block: %llu", bytenr);
 			ret = PTR_ERR(eb);
@@ -177,10 +179,9 @@ out:
 	return ret;
 }
 
-static int change_device_uuid(struct btrfs_root *root, struct extent_buffer *eb,
+static int change_device_uuid(struct btrfs_fs_info *fs_info, struct extent_buffer *eb,
 			      int slot)
 {
-	struct btrfs_fs_info *fs_info = root->fs_info;
 	struct btrfs_dev_item *di;
 	int ret = 0;
 
@@ -193,7 +194,7 @@ static int change_device_uuid(struct btrfs_root *root, struct extent_buffer *eb,
 	write_extent_buffer(eb, fs_info->new_fsid,
 			    (unsigned long)btrfs_device_fsid(di),
 			    BTRFS_FSID_SIZE);
-	ret = write_tree_block(NULL, root, eb);
+	ret = write_tree_block(NULL, fs_info, eb);
 
 	return ret;
 }
@@ -216,7 +217,7 @@ static int change_devices_uuid(struct btrfs_fs_info *fs_info)
 		if (key.type != BTRFS_DEV_ITEM_KEY ||
 		    key.objectid != BTRFS_DEV_ITEMS_OBJECTID)
 			goto next;
-		ret = change_device_uuid(root, path.nodes[0], path.slots[0]);
+		ret = change_device_uuid(fs_info, path.nodes[0], path.slots[0]);
 		if (ret < 0)
 			goto out;
 next:
@@ -243,7 +244,7 @@ static int change_fsid_prepare(struct btrfs_fs_info *fs_info)
 	btrfs_set_super_flags(fs_info->super_copy, flags);
 
 	memcpy(fs_info->super_copy->fsid, fs_info->new_fsid, BTRFS_FSID_SIZE);
-	ret = write_all_supers(tree_root);
+	ret = write_all_supers(fs_info);
 	if (ret < 0)
 		return ret;
 
@@ -251,7 +252,7 @@ static int change_fsid_prepare(struct btrfs_fs_info *fs_info)
 	write_extent_buffer(tree_root->node, fs_info->new_chunk_tree_uuid,
 			    btrfs_header_chunk_tree_uuid(tree_root->node),
 			    BTRFS_UUID_SIZE);
-	return write_tree_block(NULL, tree_root, tree_root->node);
+	return write_tree_block(NULL, fs_info, tree_root->node);
 }
 
 static int change_fsid_done(struct btrfs_fs_info *fs_info)
@@ -261,7 +262,7 @@ static int change_fsid_done(struct btrfs_fs_info *fs_info)
 	flags &= ~BTRFS_SUPER_FLAG_CHANGING_FSID;
 	btrfs_set_super_flags(fs_info->super_copy, flags);
 
-	return write_all_supers(fs_info->tree_root);
+	return write_all_supers(fs_info);
 }
 
 /*
@@ -355,7 +356,7 @@ static int change_uuid(struct btrfs_fs_info *fs_info, const char *new_fsid_str)
 	       BTRFS_FSID_SIZE);
 	memcpy(fs_info->super_copy->fsid, fs_info->new_fsid,
 	       BTRFS_FSID_SIZE);
-	ret = write_all_supers(fs_info->tree_root);
+	ret = write_all_supers(fs_info);
 	if (ret < 0)
 		goto out;