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btrfs-progs: dump-tree: move variable declarations closer to their use 

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2016-11-02 10:48:08 +01:00
parent 6b138f5367
commit e58cc23823
1 changed files with 40 additions and 23 deletions
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61
print-tree.c
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@ -1029,18 +1029,8 @@ static void print_dev_stats(struct extent_buffer *eb,
void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *eb) void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *eb)
{ {
int i; int i;
char *str;
struct btrfs_item *item; struct btrfs_item *item;
struct btrfs_extent_data_ref *dref;
struct btrfs_shared_data_ref *sref;
struct btrfs_dev_extent *dev_extent;
struct btrfs_disk_key disk_key; struct btrfs_disk_key disk_key;
struct btrfs_block_group_item bg_item;
struct btrfs_free_space_info *free_info;
struct btrfs_dir_log_item *dlog;
struct btrfs_qgroup_info_item *qg_info;
struct btrfs_qgroup_limit_item *qg_limit;
struct btrfs_qgroup_status_item *qg_status;
u32 nr = btrfs_header_nritems(eb); u32 nr = btrfs_header_nritems(eb);
u64 objectid; u64 objectid;
u32 type; u32 type;
@ -1093,11 +1083,14 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *eb)
print_dir_item(eb, item_size, ptr); print_dir_item(eb, item_size, ptr);
break; break;
case BTRFS_DIR_LOG_INDEX_KEY: case BTRFS_DIR_LOG_INDEX_KEY:
case BTRFS_DIR_LOG_ITEM_KEY: case BTRFS_DIR_LOG_ITEM_KEY: {
struct btrfs_dir_log_item *dlog;
dlog = btrfs_item_ptr(eb, i, struct btrfs_dir_log_item); dlog = btrfs_item_ptr(eb, i, struct btrfs_dir_log_item);
printf("\t\tdir log end %Lu\n", printf("\t\tdir log end %Lu\n",
(unsigned long long)btrfs_dir_log_end(eb, dlog)); (unsigned long long)btrfs_dir_log_end(eb, dlog));
break; break;
}
case BTRFS_ORPHAN_ITEM_KEY: case BTRFS_ORPHAN_ITEM_KEY:
printf("\t\torphan item\n"); printf("\t\torphan item\n");
break; break;
@ -1122,7 +1115,9 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *eb)
case BTRFS_SHARED_BLOCK_REF_KEY: case BTRFS_SHARED_BLOCK_REF_KEY:
printf("\t\tshared block backref\n"); printf("\t\tshared block backref\n");
break; break;
case BTRFS_EXTENT_DATA_REF_KEY: case BTRFS_EXTENT_DATA_REF_KEY: {
struct btrfs_extent_data_ref *dref;
dref = btrfs_item_ptr(eb, i, struct btrfs_extent_data_ref); dref = btrfs_item_ptr(eb, i, struct btrfs_extent_data_ref);
printf("\t\textent data backref root %llu " printf("\t\textent data backref root %llu "
"objectid %llu offset %llu count %u\n", "objectid %llu offset %llu count %u\n",
@ -1131,11 +1126,14 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *eb)
(unsigned long long)btrfs_extent_data_ref_offset(eb, dref), (unsigned long long)btrfs_extent_data_ref_offset(eb, dref),
btrfs_extent_data_ref_count(eb, dref)); btrfs_extent_data_ref_count(eb, dref));
break; break;
case BTRFS_SHARED_DATA_REF_KEY: }
case BTRFS_SHARED_DATA_REF_KEY: {
struct btrfs_shared_data_ref *sref;
sref = btrfs_item_ptr(eb, i, struct btrfs_shared_data_ref); sref = btrfs_item_ptr(eb, i, struct btrfs_shared_data_ref);
printf("\t\tshared data backref count %u\n", printf("\t\tshared data backref count %u\n",
btrfs_shared_data_ref_count(eb, sref)); btrfs_shared_data_ref_count(eb, sref));
break; break;
}
case BTRFS_EXTENT_REF_V0_KEY: case BTRFS_EXTENT_REF_V0_KEY:
#ifdef BTRFS_COMPAT_EXTENT_TREE_V0 #ifdef BTRFS_COMPAT_EXTENT_TREE_V0
print_extent_ref_v0(eb, i); print_extent_ref_v0(eb, i);
@ -1152,7 +1150,9 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *eb)
case BTRFS_EXTENT_DATA_KEY: case BTRFS_EXTENT_DATA_KEY:
print_file_extent_item(eb, item, i, ptr); print_file_extent_item(eb, item, i, ptr);
break; break;
case BTRFS_BLOCK_GROUP_ITEM_KEY: case BTRFS_BLOCK_GROUP_ITEM_KEY: {
struct btrfs_block_group_item bg_item;
read_extent_buffer(eb, &bg_item, (unsigned long)ptr, read_extent_buffer(eb, &bg_item, (unsigned long)ptr,
sizeof(bg_item)); sizeof(bg_item));
memset(flags_str, 0, sizeof(flags_str)); memset(flags_str, 0, sizeof(flags_str));
@ -1163,12 +1163,16 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *eb)
(unsigned long long)btrfs_block_group_chunk_objectid(&bg_item), (unsigned long long)btrfs_block_group_chunk_objectid(&bg_item),
flags_str); flags_str);
break; break;
case BTRFS_FREE_SPACE_INFO_KEY: }
case BTRFS_FREE_SPACE_INFO_KEY: {
struct btrfs_free_space_info *free_info;
free_info = btrfs_item_ptr(eb, i, struct btrfs_free_space_info); free_info = btrfs_item_ptr(eb, i, struct btrfs_free_space_info);
printf("\t\tfree space info extent count %u flags %u\n", printf("\t\tfree space info extent count %u flags %u\n",
(unsigned)btrfs_free_space_extent_count(eb, free_info), (unsigned)btrfs_free_space_extent_count(eb, free_info),
(unsigned)btrfs_free_space_flags(eb, free_info)); (unsigned)btrfs_free_space_flags(eb, free_info));
break; break;
}
case BTRFS_FREE_SPACE_EXTENT_KEY: case BTRFS_FREE_SPACE_EXTENT_KEY:
printf("\t\tfree space extent\n"); printf("\t\tfree space extent\n");
break; break;
@ -1181,7 +1185,9 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *eb)
case BTRFS_DEV_ITEM_KEY: case BTRFS_DEV_ITEM_KEY:
print_dev_item(eb, ptr); print_dev_item(eb, ptr);
break; break;
case BTRFS_DEV_EXTENT_KEY: case BTRFS_DEV_EXTENT_KEY: {
struct btrfs_dev_extent *dev_extent;
dev_extent = btrfs_item_ptr(eb, i, dev_extent = btrfs_item_ptr(eb, i,
struct btrfs_dev_extent); struct btrfs_dev_extent);
read_extent_buffer(eb, uuid, read_extent_buffer(eb, uuid,
@ -1202,7 +1208,10 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *eb)
btrfs_dev_extent_length(eb, dev_extent), btrfs_dev_extent_length(eb, dev_extent),
uuid_str); uuid_str);
break; break;
case BTRFS_QGROUP_STATUS_KEY: }
case BTRFS_QGROUP_STATUS_KEY: {
struct btrfs_qgroup_status_item *qg_status;
qg_status = btrfs_item_ptr(eb, i, qg_status = btrfs_item_ptr(eb, i,
struct btrfs_qgroup_status_item); struct btrfs_qgroup_status_item);
memset(flags_str, 0, sizeof(flags_str)); memset(flags_str, 0, sizeof(flags_str));
@ -1218,9 +1227,12 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *eb)
(unsigned long long) (unsigned long long)
btrfs_qgroup_status_rescan(eb, qg_status)); btrfs_qgroup_status_rescan(eb, qg_status));
break; break;
}
case BTRFS_QGROUP_RELATION_KEY: case BTRFS_QGROUP_RELATION_KEY:
break; break;
case BTRFS_QGROUP_INFO_KEY: case BTRFS_QGROUP_INFO_KEY: {
struct btrfs_qgroup_info_item *qg_info;
qg_info = btrfs_item_ptr(eb, i, qg_info = btrfs_item_ptr(eb, i,
struct btrfs_qgroup_info_item); struct btrfs_qgroup_info_item);
printf("\t\tgeneration %llu\n" printf("\t\tgeneration %llu\n"
@ -1239,7 +1251,10 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *eb)
btrfs_qgroup_info_exclusive_compressed(eb, btrfs_qgroup_info_exclusive_compressed(eb,
qg_info)); qg_info));
break; break;
case BTRFS_QGROUP_LIMIT_KEY: }
case BTRFS_QGROUP_LIMIT_KEY: {
struct btrfs_qgroup_limit_item *qg_limit;
qg_limit = btrfs_item_ptr(eb, i, qg_limit = btrfs_item_ptr(eb, i,
struct btrfs_qgroup_limit_item); struct btrfs_qgroup_limit_item);
printf("\t\tflags %llx\n" printf("\t\tflags %llx\n"
@ -1256,16 +1271,18 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *eb)
(long long) (long long)
btrfs_qgroup_limit_rsv_exclusive(eb, qg_limit)); btrfs_qgroup_limit_rsv_exclusive(eb, qg_limit));
break; break;
}
case BTRFS_UUID_KEY_SUBVOL: case BTRFS_UUID_KEY_SUBVOL:
case BTRFS_UUID_KEY_RECEIVED_SUBVOL: case BTRFS_UUID_KEY_RECEIVED_SUBVOL:
print_uuid_item(eb, btrfs_item_ptr_offset(eb, i), print_uuid_item(eb, btrfs_item_ptr_offset(eb, i),
btrfs_item_size_nr(eb, i)); btrfs_item_size_nr(eb, i));
break; break;
case BTRFS_STRING_ITEM_KEY: case BTRFS_STRING_ITEM_KEY: {
/* dirty, but it's simple */ const char *str = eb->data + btrfs_item_ptr_offset(eb, i);
str = eb->data + btrfs_item_ptr_offset(eb, i);
printf("\t\titem data %.*s\n", item_size, str); printf("\t\titem data %.*s\n", item_size, str);
break; break;
}
case BTRFS_PERSISTENT_ITEM_KEY: case BTRFS_PERSISTENT_ITEM_KEY:
printf("\t\tpersistent item objectid "); printf("\t\tpersistent item objectid ");
print_objectid(stdout, objectid, BTRFS_PERSISTENT_ITEM_KEY); print_objectid(stdout, objectid, BTRFS_PERSISTENT_ITEM_KEY);