From d1744f12757d8d3ad68eba628cc735af65614125 Mon Sep 17 00:00:00 2001 From: David Sterba Date: Wed, 3 Oct 2012 01:21:19 +0200 Subject: [PATCH] more pretty printing - owners --- print-tree.c | 51 ++++++++++++++++++++++++++++++++++++--------------- 1 file changed, 36 insertions(+), 15 deletions(-) diff --git a/print-tree.c b/print-tree.c index 7c615dd2..7e3ade55 100644 --- a/print-tree.c +++ b/print-tree.c @@ -25,6 +25,24 @@ #include "disk-io.h" #include "print-tree.h" +static const char* pretty_owner(u64 owner) +{ + static buf[32]; + + switch (owner) { + case BTRFS_ROOT_TREE_OBJECTID: return "ROOT_TREE(1)"; + case BTRFS_EXTENT_TREE_OBJECTID: return "EXTENT_TREE(2)"; + case BTRFS_CHUNK_TREE_OBJECTID: return "CHUNK_TREE(3)"; + case BTRFS_DEV_TREE_OBJECTID: return "DEV_TREE(4)"; + case BTRFS_FS_TREE_OBJECTID: return "FS_TREE(5)"; + case BTRFS_CSUM_TREE_OBJECTID: return "CSUM_TREE(7)"; + case BTRFS_QUOTA_TREE_OBJECTID: return "QUOTA_TREE(8)"; + case BTRFS_TREE_RELOC_OBJECTID: return "TREE_RELOC(-8)"; + case BTRFS_DATA_RELOC_TREE_OBJECTID: return "DATA_RELOC_TREE(-9)"; + default: snprintf(buf, sizeof(buf), "%llu", (unsigned long long)owner); return buf; + } +} + static int print_dir_item(struct extent_buffer *eb, struct btrfs_item *item, struct btrfs_dir_item *di) { @@ -89,9 +107,9 @@ static void print_chunk(struct extent_buffer *eb, struct btrfs_chunk *chunk) { int num_stripes = btrfs_chunk_num_stripes(eb, chunk); int i; - printf("\t\tchunk length %llu owner %llu type %llu num_stripes %d\n", + printf("\t\tchunk length %llu owner %s type %llu num_stripes %d\n", (unsigned long long)btrfs_chunk_length(eb, chunk), - (unsigned long long)btrfs_chunk_owner(eb, chunk), + pretty_owner(btrfs_chunk_owner(eb, chunk)), (unsigned long long)btrfs_chunk_type(eb, chunk), num_stripes); for (i = 0 ; i < num_stripes ; i++) { @@ -221,8 +239,8 @@ static void print_extent_item(struct extent_buffer *eb, int slot) offset = btrfs_extent_inline_ref_offset(eb, iref); switch (type) { case BTRFS_TREE_BLOCK_REF_KEY: - printf("\t\ttree block backref root %llu\n", - (unsigned long long)offset); + printf("\t\ttree block backref root %s\n", + pretty_owner(offset)); break; case BTRFS_SHARED_BLOCK_REF_KEY: printf("\t\tshared block backref parent %llu\n", @@ -230,9 +248,9 @@ static void print_extent_item(struct extent_buffer *eb, int slot) break; case BTRFS_EXTENT_DATA_REF_KEY: dref = (struct btrfs_extent_data_ref *)(&iref->offset); - printf("\t\textent data backref root %llu " + printf("\t\textent data backref root %s " "objectid %llu offset %llu count %u\n", - (unsigned long long)btrfs_extent_data_ref_root(eb, dref), + pretty_owner(btrfs_extent_data_ref_root(eb, dref)), (unsigned long long)btrfs_extent_data_ref_objectid(eb, dref), (unsigned long long)btrfs_extent_data_ref_offset(eb, dref), btrfs_extent_data_ref_count(eb, dref)); @@ -559,7 +577,10 @@ void btrfs_print_key(struct btrfs_disk_key *disk_key) (unsigned long long)(offset & ((1ll << 48) - 1))); break; default: - printf(" %llu)", (unsigned long long)offset); + if (offset == (u64)-1) + printf(" (u64)-1)"); + else + printf(" %llu)", (unsigned long long)offset); break; } } @@ -587,11 +608,11 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) u64 objectid; u32 type; - printf("leaf %llu items %d free space %d generation %llu owner %llu\n", + printf("leaf %llu items %d free space %d generation %llu owner %s\n", (unsigned long long)btrfs_header_bytenr(l), nr, btrfs_leaf_free_space(root, l), (unsigned long long)btrfs_header_generation(l), - (unsigned long long)btrfs_header_owner(l)); + pretty_owner(btrfs_header_owner(l))); print_uuids(l); fflush(stdout); for (i = 0 ; i < nr ; i++) { @@ -658,9 +679,9 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) break; case BTRFS_EXTENT_DATA_REF_KEY: dref = btrfs_item_ptr(l, i, struct btrfs_extent_data_ref); - printf("\t\textent data backref root %llu " + printf("\t\textent data backref root %s " "objectid %llu offset %llu count %u\n", - (unsigned long long)btrfs_extent_data_ref_root(l, dref), + pretty_owner(btrfs_extent_data_ref_root(l, dref)), (unsigned long long)btrfs_extent_data_ref_objectid(l, dref), (unsigned long long)btrfs_extent_data_ref_offset(l, dref), btrfs_extent_data_ref_count(l, dref)); @@ -797,12 +818,12 @@ void btrfs_print_tree(struct btrfs_root *root, struct extent_buffer *eb, int fol btrfs_print_leaf(root, eb); return; } - printf("node %llu level %d items %d free %u generation %llu owner %llu\n", + printf("node %llu level %d items %d free %u generation %llu owner %s\n", (unsigned long long)eb->start, btrfs_header_level(eb), nr, (u32)BTRFS_NODEPTRS_PER_BLOCK(root) - nr, (unsigned long long)btrfs_header_generation(eb), - (unsigned long long)btrfs_header_owner(eb)); + pretty_owner(btrfs_header_owner(eb))); print_uuids(eb); fflush(stdout); size = btrfs_level_size(root, btrfs_header_level(eb) - 1); @@ -827,9 +848,9 @@ void btrfs_print_tree(struct btrfs_root *root, struct extent_buffer *eb, int fol size, btrfs_node_ptr_generation(eb, i)); if (!next) { - fprintf(stderr, "failed to read %llu in tree %llu\n", + fprintf(stderr, "failed to read %llu in tree %s\n", (unsigned long long)btrfs_node_blockptr(eb, i), - (unsigned long long)btrfs_header_owner(eb)); + pretty_owner(btrfs_header_owner(eb))); continue; } if (btrfs_is_leaf(next) &&