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linux/fs/btrfs
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Mark Harmstone 4818f28cd9 btrfs: fix missing fields in superblock backup with BLOCK_GROUP_TREE 
[ Upstream commit 1d8f69f453 ]

When the BLOCK_GROUP_TREE compat_ro flag is set, the extent root and
csum root fields are getting missed.

This is because EXTENT_TREE_V2 treated these differently, and when
they were split off this special-casing was mistakenly assigned to
BGT rather than the rump EXTENT_TREE_V2. There's no reason why the
existence of the block group tree should mean that we don't record the
details of the last commit's extent root and csum root.

Fix the code in backup_super_roots() so that the correct check gets
made.

Fixes: 1c56ab9919 ("btrfs: separate BLOCK_GROUP_TREE compat RO flag from EXTENT_TREE_V2")
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Mark Harmstone <mark@harmstone.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2026-01-30 10:32:09 +01:00
..
tests btrfs: fix typos in comments and strings 2025-09-23 08:49:16 +02:00
accessors.c btrfs: fix typos in comments and strings 2025-09-23 08:49:16 +02:00
accessors.h btrfs: accessors: delete token versions of set/get helpers 2025-07-22 00:05:00 +02:00
acl.c btrfs: remove unused included headers 2024-03-04 16:24:46 +01:00
acl.h btrfs: update include and forward declarations in headers 2025-03-18 20:35:43 +01:00
async-thread.c btrfs: use list_first_entry() everywhere 2025-05-15 14:30:47 +02:00
async-thread.h btrfs: add forward declarations and headers, part 1 2024-03-04 16:24:49 +01:00
backref.c btrfs: add unlikely annotations to branches leading to EIO 2025-09-23 08:49:26 +02:00
backref.h btrfs: fix typos in comments and strings 2025-09-23 08:49:16 +02:00
bio.c btrfs: add unlikely annotations to branches leading to EIO 2025-09-23 08:49:26 +02:00
bio.h btrfs: try to search for data csums in commit root 2025-09-22 10:54:31 +02:00
block-group.c btrfs: fix racy bitfield write in btrfs_clear_space_info_full() 2025-12-18 14:03:16 +01:00
block-group.h btrfs: fix typos in comments and strings 2025-09-23 08:49:16 +02:00
block-rsv.c btrfs: add block reserve for treelog 2025-05-15 14:30:53 +02:00
block-rsv.h btrfs: add block reserve for treelog 2025-05-15 14:30:53 +02:00
btrfs_inode.h for-6.18-tag 2025-09-30 08:14:49 -07:00
compression.c btrfs: prepare compression folio alloc/free for bs > ps cases 2025-09-23 08:49:24 +02:00
compression.h btrfs: prepare compression folio alloc/free for bs > ps cases 2025-09-23 08:49:24 +02:00
ctree.c btrfs: fix leaf leak in an error path in btrfs_del_items() 2025-12-18 14:03:16 +01:00
ctree.h btrfs: split btrfs_is_fstree() into multiple if statements for readability 2025-07-21 23:58:04 +02:00
defrag.c btrfs: add unlikely annotations to branches leading to EIO 2025-09-23 08:49:26 +02:00
defrag.h btrfs: pass struct btrfs_inode to btrfs_defrag_file() 2025-03-18 20:35:43 +01:00
delalloc-space.c btrfs: add block reserve for treelog 2025-05-15 14:30:53 +02:00
delalloc-space.h btrfs: pass struct btrfs_inode to btrfs_free_reserved_data_space_noquota() 2025-05-15 14:30:52 +02:00
delayed-inode.c btrfs: fix use-after-free warning in btrfs_get_or_create_delayed_node() 2026-01-17 16:35:18 +01:00
delayed-inode.h btrfs: fix delayed_node ref_tracker use after free 2025-10-22 09:40:04 +02:00
delayed-ref.c btrfs: fix double free of qgroup record after failure to add delayed ref head 2025-12-18 14:03:16 +01:00
delayed-ref.h btrfs: move ref-verify under CONFIG_BTRFS_DEBUG 2025-09-22 10:54:32 +02:00
dev-replace.c btrfs: add unlikely annotations to branches leading to EIO 2025-09-23 08:49:26 +02:00
dev-replace.h btrfs: trivial conversion to return bool instead of int 2025-05-15 14:30:49 +02:00
dir-item.c btrfs: rename inode number parameter passed to btrfs_check_dir_item_collision() 2025-07-22 00:05:00 +02:00
dir-item.h btrfs: rename inode number parameter passed to btrfs_check_dir_item_collision() 2025-07-22 00:05:00 +02:00
direct-io.c btrfs: enable experimental bs > ps support 2025-09-23 08:49:25 +02:00
direct-io.h btrfs: update include and forward declarations in headers 2025-03-18 20:35:43 +01:00
discard.c btrfs: use verbose assert at peek_discard_list() 2025-05-15 14:30:55 +02:00
discard.h btrfs: update include and forward declarations in headers 2025-03-18 20:35:43 +01:00
disk-io.c btrfs: fix missing fields in superblock backup with BLOCK_GROUP_TREE 2026-01-30 10:32:09 +01:00
disk-io.h btrfs: convert several int parameters to bool 2025-09-22 10:54:32 +02:00
export.c btrfs: avoid potential out-of-bounds in btrfs_encode_fh() 2025-09-26 08:48:30 +02:00
export.h btrfs: add forward declarations and headers, part 1 2024-03-04 16:24:49 +01:00
extent-io-tree.c btrfs: fix typos in comments and strings 2025-09-23 08:49:16 +02:00
extent-io-tree.h btrfs: convert several int parameters to bool 2025-09-22 10:54:32 +02:00
extent-tree.c btrfs: add unlikely annotations to branches leading to transaction abort 2025-09-23 08:49:26 +02:00
extent-tree.h btrfs: convert several int parameters to bool 2025-09-22 10:54:32 +02:00
extent_io.c btrfs: fix beyond-EOF write handling 2026-01-17 16:35:31 +01:00
extent_io.h btrfs: prepare compression folio alloc/free for bs > ps cases 2025-09-23 08:49:24 +02:00
extent_map.c for-6.18-tag 2025-09-30 08:14:49 -07:00
extent_map.h btrfs: rename remaining exported extent map functions 2025-05-15 14:30:45 +02:00
fiemap.c btrfs: fix typos in comments and strings 2025-09-23 08:49:16 +02:00
fiemap.h btrfs: move fiemap code into its own file 2024-07-11 15:33:20 +02:00
file-item.c btrfs: add unlikely annotations to branches leading to transaction abort 2025-09-23 08:49:26 +02:00
file-item.h btrfs: change return type of btrfs_alloc_dummy_sum() to int 2025-05-15 14:30:49 +02:00
file.c btrfs: fix changeset leak on mmap write after failure to reserve metadata 2026-01-02 12:56:37 +01:00
file.h btrfs: update include and forward declarations in headers 2025-03-18 20:35:43 +01:00
free-space-cache.c btrfs: add unlikely annotations to branches leading to transaction abort 2025-09-23 08:49:26 +02:00
free-space-cache.h btrfs: add cancellation points to trim loops 2024-10-07 23:21:56 +02:00
free-space-tree.c btrfs: do not assert we found block group item when creating free space tree 2025-10-13 22:33:22 +02:00
free-space-tree.h btrfs: add btrfs prefix to free space tree exported functions 2025-07-21 23:58:02 +02:00
fs.c btrfs: enable experimental bs > ps support 2025-09-23 08:49:25 +02:00
fs.h btrfs: prepare compression folio alloc/free for bs > ps cases 2025-09-23 08:49:24 +02:00
inode-item.c btrfs: add unlikely annotations to branches leading to transaction abort 2025-09-23 08:49:26 +02:00
inode-item.h btrfs: remove unused parameters from btrfs_lookup_inode_extref() 2025-07-21 23:58:03 +02:00
inode.c btrfs: release path before iget_failed() in btrfs_read_locked_inode() 2026-01-23 11:21:15 +01:00
ioctl.c btrfs: don't rewrite ret from inode_permission 2026-01-02 12:57:08 +01:00
ioctl.h tree-wide: s/struct fileattr/struct file_kattr/g 2025-07-04 16:14:39 +02:00
Kconfig btrfs: implement ref_tracker for delayed_nodes 2025-09-22 10:54:32 +02:00
locking.c btrfs: fix typos in comments and strings 2025-09-23 08:49:16 +02:00
locking.h btrfs: fix typos in comments and strings 2025-09-23 08:49:16 +02:00
lru_cache.c btrfs: fix typos found by codespell 2023-12-15 23:00:04 +01:00
lru_cache.h btrfs: cleanup recursive include of the same header 2024-07-11 15:33:22 +02:00
lzo.c btrfs: add unlikely annotations to branches leading to EUCLEAN 2025-09-23 08:49:26 +02:00
Makefile btrfs: move ref-verify under CONFIG_BTRFS_DEBUG 2025-09-22 10:54:32 +02:00
messages.c btrfs: dump detailed info and specific messages on log replay failures 2025-09-23 08:49:21 +02:00
messages.h btrfs: remove duplicate inclusion of linux/types.h 2025-09-22 10:54:31 +02:00
misc.h btrfs: introduce btrfs_bio_for_each_block_all() helper 2025-09-23 08:49:17 +02:00
ordered-data.c btrfs: truncate ordered extent when skipping writeback past i_size 2026-01-17 16:35:30 +01:00
ordered-data.h btrfs: introduce a read path dedicated extent lock helper 2025-03-18 20:35:48 +01:00
orphan.c btrfs: BTRFS_PATH_AUTO_FREE in orphan.c 2024-09-10 16:51:22 +02:00
orphan.h btrfs: add forward declarations and headers, part 1 2024-03-04 16:24:49 +01:00
print-tree.c btrfs: print-tree: print key types as human readable strings 2025-09-23 08:49:23 +02:00
print-tree.h btrfs: update include and forward declarations in headers 2025-03-18 20:35:43 +01:00
props.c btrfs: props: switch prop_handler::extract to struct btrfs_inode 2025-03-18 20:35:44 +01:00
props.h btrfs: pass struct btrfs_inode to btrfs_inode_inherit_props() 2025-03-18 20:35:44 +01:00
qgroup.c btrfs: qgroup: update all parent qgroups when doing quick inherit 2026-01-17 16:35:18 +01:00
qgroup.h btrfs: update include and forward declarations in headers 2025-03-18 20:35:43 +01:00
raid-stripe-tree.c btrfs: add unlikely annotations to branches leading to transaction abort 2025-09-23 08:49:26 +02:00
raid-stripe-tree.h btrfs: update include and forward declarations in headers 2025-03-18 20:35:43 +01:00
raid56.c btrfs: add unlikely annotations to branches leading to EIO 2025-09-23 08:49:26 +02:00
raid56.h btrfs: prepare scrub to support bs > ps cases 2025-09-23 08:49:25 +02:00
ref-verify.c btrfs: ref-verify: fix IS_ERR() vs NULL check in btrfs_build_ref_tree() 2025-10-22 09:40:07 +02:00
ref-verify.h btrfs: move ref-verify under CONFIG_BTRFS_DEBUG 2025-09-22 10:54:32 +02:00
reflink.c btrfs: add unlikely annotations to branches leading to transaction abort 2025-09-23 08:49:26 +02:00
reflink.h btrfs: add forward declarations and headers, part 1 2024-03-04 16:24:49 +01:00
relocation.c btrfs: fix clearing of BTRFS_FS_RELOC_RUNNING if relocation already running 2025-10-13 22:29:03 +02:00
relocation.h btrfs: don't print relocation messages from auto reclaim 2025-07-22 00:09:22 +02:00
root-tree.c btrfs: add unlikely annotations to branches leading to transaction abort 2025-09-23 08:49:26 +02:00
root-tree.h btrfs: qgroup: fix qgroup prealloc rsv leak in subvolume operations 2024-04-02 19:18:23 +02:00
scrub.c btrfs: scrub: always update btrfs_scrub_progress::last_physical 2026-01-02 12:56:41 +01:00
scrub.h btrfs: convert several int parameters to bool 2025-09-22 10:54:32 +02:00
send.c btrfs: send: check for inline extents in range_is_hole_in_parent() 2026-01-23 11:21:15 +01:00
send.h btrfs: pass btrfs_root pointers to send ioctl parameters 2025-03-18 20:35:49 +01:00
space-info.c btrfs: fix memory leaks in create_space_info() error paths 2026-01-23 11:21:17 +01:00
space-info.h btrfs: fix racy bitfield write in btrfs_clear_space_info_full() 2025-12-18 14:03:16 +01:00
subpage.c btrfs: fix typos in comments and strings 2025-09-23 08:49:16 +02:00
subpage.h btrfs: fix typos in comments and strings 2025-09-23 08:49:16 +02:00
super.c btrfs: only enforce free space tree if v1 cache is required for bs < ps cases 2026-01-17 16:35:25 +01:00
super.h btrfs: change BTRFS_MOUNT_* flags to 64bit type 2024-07-19 17:20:23 +02:00
sysfs.c btrfs: simplify support block size check 2025-09-22 10:54:31 +02:00
sysfs.h btrfs: update include and forward declarations in headers 2025-03-18 20:35:43 +01:00
transaction.c btrfs: fix deadlock in wait_current_trans() due to ignored transaction type 2026-01-23 11:21:36 +01:00
transaction.h btrfs: move abort_should_print_stack() to transaction.h 2025-01-13 14:53:17 +01:00
tree-checker.c btrfs: tree-checker: fix bounds check in check_inode_extref() 2025-10-13 22:35:51 +02:00
tree-checker.h btrfs: validate system chunk array at btrfs_validate_super() 2025-01-13 14:53:18 +01:00
tree-log.c btrfs: fix NULL pointer dereference in do_abort_log_replay() 2026-01-17 16:35:25 +01:00
tree-log.h btrfs: avoid transaction commit on any fsync after subvolume creation 2024-07-11 15:33:24 +02:00
tree-mod-log.c btrfs: reduce size of struct tree_mod_elem 2025-07-22 00:09:20 +02:00
tree-mod-log.h btrfs: drop unused parameter path from btrfs_tree_mod_log_rewind() 2024-11-11 14:34:15 +01:00
ulist.c btrfs: use rb_find_add() in ulist_rbtree_insert() 2025-07-21 23:53:25 +02:00
ulist.h btrfs: preallocate ulist memory for qgroup rsv 2024-07-11 15:33:26 +02:00
uuid-tree.c btrfs: uuid-tree: remove unnecessary call to btrfs_mark_buffer_dirty() 2025-01-13 14:53:20 +01:00
uuid-tree.h btrfs: move uuid tree related code to uuid-tree.[ch] 2024-09-10 16:51:12 +02:00
verity.c for-6.18-tag 2025-09-30 08:14:49 -07:00
verity.h btrfs: add forward declarations and headers, part 1 2024-03-04 16:24:49 +01:00
volumes.c btrfs: fix memory leak of fs_devices in degraded seed device path 2026-01-02 12:56:37 +01:00
volumes.h btrfs: fix typos in comments and strings 2025-09-23 08:49:16 +02:00
xattr.c btrfs: replace strcpy() with strscpy() 2025-07-22 00:05:00 +02:00
xattr.h btrfs: update include and forward declarations in headers 2025-03-18 20:35:43 +01:00
zlib.c btrfs: add unlikely annotations to branches leading to EIO 2025-09-23 08:49:26 +02:00
zoned.c for-6.18-rc5-tag 2025-11-11 10:13:17 -08:00
zoned.h btrfs: zoned: return error from btrfs_zone_finish_endio() 2025-09-22 10:54:30 +02:00
zstd.c btrfs: add unlikely annotations to branches leading to EIO 2025-09-23 08:49:26 +02:00