Commit 00b7eaaa authored by Filipe Manana's avatar Filipe Manana Committed by David Sterba
Browse files

btrfs: print-tree: move code for processing file extent item into helper 



The code for processing file extent items is quite large and it's better
to have it in a dedicated helper rather than in a huge switch statement,
just like we do in btrfs-progs.

Reviewed-by: default avatarQu Wenruo <wqu@suse.com>
Reviewed-by: default avatarJohannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: default avatarFilipe Manana <fdmanana@suse.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent caac1707

fs/btrfs/print-tree.c

+29 −23
Original line number Diff line number Diff line
@@ -338,6 +338,34 @@ static void print_extent_csum(const struct extent_buffer *eb, int i) 
		key.offset, key.offset + csum_bytes, csum_bytes);

}



static void print_file_extent_item(const struct extent_buffer *eb, int i)

{

	struct btrfs_file_extent_item *fi;



	fi = btrfs_item_ptr(eb, i, struct btrfs_file_extent_item);

	pr_info("\t\tgeneration %llu type %hhu\n",

		btrfs_file_extent_generation(eb, fi),

		btrfs_file_extent_type(eb, fi));



	if (btrfs_file_extent_type(eb, fi) == BTRFS_FILE_EXTENT_INLINE) {

		pr_info("\t\tinline extent data size %u ram_bytes %llu compression %hhu\n",

			btrfs_file_extent_inline_item_len(eb, i),

			btrfs_file_extent_ram_bytes(eb, fi),

			btrfs_file_extent_compression(eb, fi));

		return;

	}



	pr_info("\t\textent data disk bytenr %llu nr %llu\n",

		btrfs_file_extent_disk_bytenr(eb, fi),

		btrfs_file_extent_disk_num_bytes(eb, fi));

	pr_info("\t\textent data offset %llu nr %llu ram %llu\n",

		btrfs_file_extent_offset(eb, fi),

		btrfs_file_extent_num_bytes(eb, fi),

		btrfs_file_extent_ram_bytes(eb, fi));

	pr_info("\t\textent compression %hhu\n",

		btrfs_file_extent_compression(eb, fi));

}



void btrfs_print_leaf(const struct extent_buffer *l)

{

	struct btrfs_fs_info *fs_info;
@@ -345,7 +373,6 @@ void btrfs_print_leaf(const struct extent_buffer *l) 
	u32 type, nr;

	struct btrfs_root_item *ri;

	struct btrfs_block_group_item *bi;

	struct btrfs_file_extent_item *fi;

	struct btrfs_extent_data_ref *dref;

	struct btrfs_shared_data_ref *sref;

	struct btrfs_dev_extent *dev_extent;
@@ -417,28 +444,7 @@ void btrfs_print_leaf(const struct extent_buffer *l) 
			       btrfs_shared_data_ref_count(l, sref));

			break;

		case BTRFS_EXTENT_DATA_KEY:

			fi = btrfs_item_ptr(l, i,

					    struct btrfs_file_extent_item);

			pr_info("\t\tgeneration %llu type %hhu\n",

				btrfs_file_extent_generation(l, fi),

				btrfs_file_extent_type(l, fi));

			if (btrfs_file_extent_type(l, fi) ==

			    BTRFS_FILE_EXTENT_INLINE) {

				pr_info("\t\tinline extent data size %u ram_bytes %llu compression %hhu\n",

					btrfs_file_extent_inline_item_len(l, i),

					btrfs_file_extent_ram_bytes(l, fi),

					btrfs_file_extent_compression(l, fi));

				break;

			}

			pr_info("\t\textent data disk bytenr %llu nr %llu\n",

			       btrfs_file_extent_disk_bytenr(l, fi),

			       btrfs_file_extent_disk_num_bytes(l, fi));

			pr_info("\t\textent data offset %llu nr %llu ram %llu\n",

			       btrfs_file_extent_offset(l, fi),

			       btrfs_file_extent_num_bytes(l, fi),

			       btrfs_file_extent_ram_bytes(l, fi));

			pr_info("\t\textent compression %hhu\n",

				btrfs_file_extent_compression(l, fi));

			print_file_extent_item(l, i);

			break;

		case BTRFS_BLOCK_GROUP_ITEM_KEY:

			bi = btrfs_item_ptr(l, i,