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-rw-r--r--fs/btrfs/print-tree.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/fs/btrfs/print-tree.c b/fs/btrfs/print-tree.c
index 0c93439e92..7e46aa8a04 100644
--- a/fs/btrfs/print-tree.c
+++ b/fs/btrfs/print-tree.c
@@ -9,6 +9,8 @@
#include "print-tree.h"
#include "accessors.h"
#include "tree-checker.h"
+#include "volumes.h"
+#include "raid-stripe-tree.h"
struct root_name_map {
u64 id;
@@ -28,6 +30,7 @@ static const struct root_name_map root_map[] = {
{ BTRFS_FREE_SPACE_TREE_OBJECTID, "FREE_SPACE_TREE" },
{ BTRFS_BLOCK_GROUP_TREE_OBJECTID, "BLOCK_GROUP_TREE" },
{ BTRFS_DATA_RELOC_TREE_OBJECTID, "DATA_RELOC_TREE" },
+ { BTRFS_RAID_STRIPE_TREE_OBJECTID, "RAID_STRIPE_TREE" },
};
const char *btrfs_root_name(const struct btrfs_key *key, char *buf)
@@ -80,12 +83,20 @@ static void print_extent_data_ref(const struct extent_buffer *eb,
btrfs_extent_data_ref_count(eb, ref));
}
+static void print_extent_owner_ref(const struct extent_buffer *eb,
+ const struct btrfs_extent_owner_ref *ref)
+{
+ ASSERT(btrfs_fs_incompat(eb->fs_info, SIMPLE_QUOTA));
+ pr_cont("extent data owner root %llu\n", btrfs_extent_owner_ref_root_id(eb, ref));
+}
+
static void print_extent_item(const struct extent_buffer *eb, int slot, int type)
{
struct btrfs_extent_item *ei;
struct btrfs_extent_inline_ref *iref;
struct btrfs_extent_data_ref *dref;
struct btrfs_shared_data_ref *sref;
+ struct btrfs_extent_owner_ref *oref;
struct btrfs_disk_key key;
unsigned long end;
unsigned long ptr;
@@ -161,6 +172,10 @@ static void print_extent_item(const struct extent_buffer *eb, int slot, int type
"\t\t\t(parent %llu not aligned to sectorsize %u)\n",
offset, eb->fs_info->sectorsize);
break;
+ case BTRFS_EXTENT_OWNER_REF_KEY:
+ oref = (struct btrfs_extent_owner_ref *)(&iref->offset);
+ print_extent_owner_ref(eb, oref);
+ break;
default:
pr_cont("(extent %llu has INVALID ref type %d)\n",
eb->start, type);
@@ -189,6 +204,22 @@ static void print_uuid_item(const struct extent_buffer *l, unsigned long offset,
}
}
+static void print_raid_stripe_key(const struct extent_buffer *eb, u32 item_size,
+ struct btrfs_stripe_extent *stripe)
+{
+ const int num_stripes = btrfs_num_raid_stripes(item_size);
+ const u8 encoding = btrfs_stripe_extent_encoding(eb, stripe);
+
+ pr_info("\t\t\tencoding: %s\n",
+ (encoding && encoding < BTRFS_NR_RAID_TYPES) ?
+ btrfs_raid_array[encoding].raid_name : "unknown");
+
+ for (int i = 0; i < num_stripes; i++)
+ pr_info("\t\t\tstride %d devid %llu physical %llu\n",
+ i, btrfs_raid_stride_devid(eb, &stripe->strides[i]),
+ btrfs_raid_stride_physical(eb, &stripe->strides[i]));
+}
+
/*
* Helper to output refs and locking status of extent buffer. Useful to debug
* race condition related problems.
@@ -349,6 +380,10 @@ void btrfs_print_leaf(const struct extent_buffer *l)
print_uuid_item(l, btrfs_item_ptr_offset(l, i),
btrfs_item_size(l, i));
break;
+ case BTRFS_RAID_STRIPE_KEY:
+ print_raid_stripe_key(l, btrfs_item_size(l, i),
+ btrfs_item_ptr(l, i, struct btrfs_stripe_extent));
+ break;
}
}
}