From: Mark Harmstone Date: Mon, 9 Feb 2026 18:00:14 +0000 (+0000) Subject: btrfs: print-tree: add remap tree definitions X-Git-Tag: ceph-for-7.1-rc1~220^2~11 X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=b85cfdf46b2402a9e57d6b7d43e2c977f9554645;p=ceph-client.git btrfs: print-tree: add remap tree definitions Add the definitions for the remap tree to print-tree.c, so that we get more useful information if a tree is dumped to dmesg. Reviewed-by: Johannes Thumshirn Reviewed-by: Qu Wenruo Signed-off-by: Mark Harmstone Reviewed-by: David Sterba Signed-off-by: David Sterba --- diff --git a/fs/btrfs/print-tree.c b/fs/btrfs/print-tree.c index f189bf09ce6a..b7dfe877cf8d 100644 --- a/fs/btrfs/print-tree.c +++ b/fs/btrfs/print-tree.c @@ -38,6 +38,7 @@ static const struct root_name_map root_map[] = { { BTRFS_BLOCK_GROUP_TREE_OBJECTID, "BLOCK_GROUP_TREE" }, { BTRFS_DATA_RELOC_TREE_OBJECTID, "DATA_RELOC_TREE" }, { BTRFS_RAID_STRIPE_TREE_OBJECTID, "RAID_STRIPE_TREE" }, + { BTRFS_REMAP_TREE_OBJECTID, "REMAP_TREE" }, }; const char *btrfs_root_name(const struct btrfs_key *key, char *buf) @@ -415,6 +416,9 @@ static void key_type_string(const struct btrfs_key *key, char *buf, int buf_size [BTRFS_UUID_KEY_SUBVOL] = "UUID_KEY_SUBVOL", [BTRFS_UUID_KEY_RECEIVED_SUBVOL] = "UUID_KEY_RECEIVED_SUBVOL", [BTRFS_RAID_STRIPE_KEY] = "RAID_STRIPE", + [BTRFS_IDENTITY_REMAP_KEY] = "IDENTITY_REMAP", + [BTRFS_REMAP_KEY] = "REMAP", + [BTRFS_REMAP_BACKREF_KEY] = "REMAP_BACKREF", }; if (key->type == 0 && key->objectid == BTRFS_FREE_SPACE_OBJECTID) @@ -435,6 +439,7 @@ void btrfs_print_leaf(const struct extent_buffer *l) struct btrfs_extent_data_ref *dref; struct btrfs_shared_data_ref *sref; struct btrfs_dev_extent *dev_extent; + struct btrfs_remap_item *remap; struct btrfs_key key; if (!l) @@ -569,6 +574,11 @@ void btrfs_print_leaf(const struct extent_buffer *l) print_raid_stripe_key(l, btrfs_item_size(l, i), btrfs_item_ptr(l, i, struct btrfs_stripe_extent)); break; + case BTRFS_REMAP_KEY: + case BTRFS_REMAP_BACKREF_KEY: + remap = btrfs_item_ptr(l, i, struct btrfs_remap_item); + pr_info("\t\taddress %llu\n", btrfs_remap_address(l, remap)); + break; } } }