diff options
Diffstat (limited to 'fs/btrfs/print-tree.c')
| -rw-r--r-- | fs/btrfs/print-tree.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/fs/btrfs/print-tree.c b/fs/btrfs/print-tree.c index da0b4dcf3617..9c1335dad40c 100644 --- a/fs/btrfs/print-tree.c +++ b/fs/btrfs/print-tree.c @@ -20,6 +20,40 @@ #include "disk-io.h" #include "print-tree.h" +static void print_chunk(struct extent_buffer *eb, struct btrfs_chunk *chunk) +{ + int num_stripes = btrfs_chunk_num_stripes(eb, chunk); + int i; + printk("\t\tchunk owner %llu type %llu num_stripes %d\n", + (unsigned long long)btrfs_chunk_owner(eb, chunk), + (unsigned long long)btrfs_chunk_type(eb, chunk), + num_stripes); + for (i = 0 ; i < num_stripes ; i++) { + printk("\t\t\tstripe %d devid %llu offset %llu\n", i, + (unsigned long long)btrfs_stripe_devid_nr(eb, chunk, i), + (unsigned long long)btrfs_stripe_offset_nr(eb, chunk, i)); + } +} +static void print_dev_item(struct extent_buffer *eb, + struct btrfs_dev_item *dev_item) +{ + char *name; + int name_len; + + name_len = btrfs_device_name_len(eb, dev_item); + name = kmalloc(name_len, GFP_NOFS); + if (name) { + read_extent_buffer(eb, name, + (unsigned long)btrfs_device_name(dev_item), + name_len); + } + printk("\t\tdev item name %.*s devid %llu " + "total_bytes %llu bytes used %Lu\n", name_len, name, + (unsigned long long)btrfs_device_id(eb, dev_item), + (unsigned long long)btrfs_device_total_bytes(eb, dev_item), + (unsigned long long)btrfs_device_bytes_used(eb, dev_item)); + kfree(name); +} void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) { int i; @@ -34,6 +68,7 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) struct btrfs_key key; struct btrfs_key found_key; struct btrfs_extent_ref *ref; + struct btrfs_dev_extent *dev_extent; u32 type; printk("leaf %llu total ptrs %d free space %d\n", @@ -106,6 +141,19 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) printk("\t\tblock group used %llu\n", (unsigned long long)btrfs_disk_block_group_used(l, bi)); break; + case BTRFS_CHUNK_ITEM_KEY: + print_chunk(l, btrfs_item_ptr(l, i, struct btrfs_chunk)); + break; + case BTRFS_DEV_ITEM_KEY: + print_dev_item(l, btrfs_item_ptr(l, i, + struct btrfs_dev_item)); + break; + case BTRFS_DEV_EXTENT_KEY: + dev_extent = btrfs_item_ptr(l, i, + struct btrfs_dev_extent); + printk("\t\tdev extent owner %llu length %llu\n", + (unsigned long long)btrfs_dev_extent_owner(l, dev_extent), + (unsigned long long)btrfs_dev_extent_length(l, dev_extent)); }; } } |