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839d6ea4f8
linux/fs/btrfs
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Qu Wenruo 839d6ea4f8 btrfs: automatically remove the subvolume qgroup 
Currently if we fully clean a subvolume (not only delete its directory,
but fully clean all it's related data and root item), the associated
qgroup would not be removed.

We have "btrfs qgroup clear-stale" to handle such 0 level qgroups.

Change the behavior to automatically removie the qgroup of a fully
cleaned subvolume when possible:

- Full qgroup but still consistent
  We can and should remove the qgroup.
  The qgroup numbers should be 0, without any rsv.

- Full qgroup but inconsistent
  Can happen with drop_subtree_threshold feature (skip accounting
  and mark qgroup inconsistent).

  We can and should remove the qgroup.
  Higher level qgroup numbers will be incorrect, but since qgroup
  is already inconsistent, it should not be a problem.

- Squota mode
  This is the special case, we can only drop the qgroup if its numbers
  are all 0.

  This would be handled by can_delete_qgroup(), so we only need to check
  the return value and ignore the -EBUSY error.

Link: https://bugzilla.suse.com/show_bug.cgi?id=1222847
Reviewed-by: Boris Burkov <boris@bur.io>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2024-07-11 15:33:19 +02:00
..
tests btrfs: use a regular rb_root instead of cached rb_root for extent_map_tree 2024-07-11 15:33:18 +02:00
accessors.c btrfs: remove unused included headers 2024-03-04 16:24:46 +01:00
accessors.h btrfs: constify parameters of write_eb_member() and its users 2024-07-11 15:33:19 +02:00
acl.c btrfs: remove unused included headers 2024-03-04 16:24:46 +01:00
acl.h btrfs: add forward declarations and headers, part 1 2024-03-04 16:24:49 +01:00
async-thread.c btrfs: remove unused included headers 2024-03-04 16:24:46 +01:00
async-thread.h btrfs: add forward declarations and headers, part 1 2024-03-04 16:24:49 +01:00
backref.c btrfs: change root->root_key.objectid to btrfs_root_id() 2024-05-07 21:31:06 +02:00
backref.h btrfs: uninline some static inline helpers from backref.h 2024-03-04 16:24:53 +01:00
bio.c btrfs: zoned: allocate dummy checksums for zoned NODATASUM writes 2024-06-13 20:43:55 +02:00
bio.h btrfs: add forward declarations and headers, part 2 2024-03-04 16:24:49 +01:00
block-group.c btrfs: move btrfs_block_group_root() to block-group.c 2024-07-11 15:33:18 +02:00
block-group.h btrfs: mark btrfs_put_caching_control() static 2024-03-05 17:13:23 +01:00
block-rsv.c btrfs: change root->root_key.objectid to btrfs_root_id() 2024-05-07 21:31:06 +02:00
block-rsv.h btrfs: add forward declarations and headers, part 2 2024-03-04 16:24:49 +01:00
btrfs_inode.h btrfs: remove objectid from struct btrfs_inode on 64 bits platforms 2024-07-11 15:33:17 +02:00
compression.c btrfs: fix misspelled end IO compression callbacks 2024-07-11 15:33:16 +02:00
compression.h btrfs: compression: migrate compression/decompression paths to folios 2024-05-07 21:31:02 +02:00
ctree.c btrfs: change root->root_key.objectid to btrfs_root_id() 2024-05-07 21:31:06 +02:00
ctree.h btrfs: remove inode_lock from struct btrfs_root and use xarray locks 2024-07-11 15:33:17 +02:00
defrag.c btrfs: change root->root_key.objectid to btrfs_root_id() 2024-05-07 21:31:06 +02:00
defrag.h btrfs: add forward declarations and headers, part 1 2024-03-04 16:24:49 +01:00
delalloc-space.c btrfs: remove unused included headers 2024-03-04 16:24:46 +01:00
delalloc-space.h btrfs: add forward declarations and headers, part 1 2024-03-04 16:24:49 +01:00
delayed-inode.c btrfs: unify index_cnt and csum_bytes from struct btrfs_inode 2024-07-11 15:33:17 +02:00
delayed-inode.h btrfs: uninline btrfs_init_delayed_root() 2024-03-04 16:24:53 +01:00
delayed-ref.c btrfs: remove no longer used btrfs_migrate_to_delayed_refs_rsv() 2024-07-11 15:33:16 +02:00
delayed-ref.h btrfs: remove no longer used btrfs_migrate_to_delayed_refs_rsv() 2024-07-11 15:33:16 +02:00
dev-replace.c set_blocksize(): switch to passing struct file * 2024-05-02 17:39:44 -04:00
dev-replace.h btrfs: add forward declarations and headers, part 1 2024-03-04 16:24:49 +01:00
dir-item.c btrfs: abort transaction on generation mismatch when marking eb as dirty 2023-10-12 16:44:07 +02:00
dir-item.h btrfs: add forward declarations and headers, part 1 2024-03-04 16:24:49 +01:00
discard.c btrfs: unexport btrfs_run_discard_work and make it static 2023-06-19 13:59:25 +02:00
discard.h btrfs: unexport btrfs_run_discard_work and make it static 2023-06-19 13:59:25 +02:00
disk-io.c btrfs: move btrfs_block_group_root() to block-group.c 2024-07-11 15:33:18 +02:00
disk-io.h btrfs: move btrfs_block_group_root() to block-group.c 2024-07-11 15:33:18 +02:00
export.c btrfs: remove objectid from struct btrfs_inode on 64 bits platforms 2024-07-11 15:33:17 +02:00
export.h btrfs: add forward declarations and headers, part 1 2024-03-04 16:24:49 +01:00
extent_io.c btrfs: constify parameters of write_eb_member() and its users 2024-07-11 15:33:19 +02:00
extent_io.h btrfs: add a cached state to extent_clear_unlock_delalloc 2024-05-07 21:31:10 +02:00
extent_map.c btrfs: use a regular rb_root instead of cached rb_root for extent_map_tree 2024-07-11 15:33:18 +02:00
extent_map.h btrfs: use a regular rb_root instead of cached rb_root for extent_map_tree 2024-07-11 15:33:18 +02:00
extent-io-tree.c btrfs: rename err to ret in convert_extent_bit() 2024-05-07 21:31:01 +02:00
extent-io-tree.h btrfs: add forward declarations and headers, part 2 2024-03-04 16:24:49 +01:00
extent-tree.c btrfs: automatically remove the subvolume qgroup 2024-07-11 15:33:19 +02:00
extent-tree.h btrfs: add forward declarations and headers, part 3 2024-03-04 16:24:49 +01:00
file-item.c btrfs: don't allocate file extent tree for non regular files 2024-07-11 15:33:17 +02:00
file-item.h btrfs: remove search_commit parameter from btrfs_lookup_csums_list() 2024-05-07 21:31:03 +02:00
file.c btrfs: use a btrfs_inode local variable at btrfs_sync_file() 2024-07-11 15:33:18 +02:00
file.h btrfs: pass a btrfs_inode to btrfs_fdatawrite_range() 2024-07-11 15:33:18 +02:00
free-space-cache.c btrfs: pass a btrfs_inode to btrfs_wait_ordered_range() 2024-07-11 15:33:18 +02:00
free-space-cache.h btrfs: add forward declarations and headers, part 2 2024-03-04 16:24:49 +01:00
free-space-tree.c btrfs: move transaction abort to the error site btrfs_rebuild_free_space_tree() 2024-03-04 16:24:48 +01:00
free-space-tree.h btrfs: add forward declarations and headers, part 2 2024-03-04 16:24:49 +01:00
fs.c
fs.h btrfs: remove duplicate included header from fs.h 2024-05-07 21:31:10 +02:00
inode-item.c btrfs: change root->root_key.objectid to btrfs_root_id() 2024-05-07 21:31:06 +02:00
inode-item.h btrfs: add forward declarations and headers, part 2 2024-03-04 16:24:49 +01:00
inode.c btrfs: remove duplicate name variable declarations 2024-07-11 15:33:18 +02:00
ioctl.c btrfs: remove objectid from struct btrfs_inode on 64 bits platforms 2024-07-11 15:33:17 +02:00
ioctl.h btrfs: add forward declarations and headers, part 1 2024-03-04 16:24:49 +01:00
Kconfig btrfs: check-integrity: remove CONFIG_BTRFS_FS_CHECK_INTEGRITY option 2023-10-12 16:44:05 +02:00
locking.c btrfs: change root->root_key.objectid to btrfs_root_id() 2024-05-07 21:31:06 +02:00
locking.h btrfs: locking: rename __btrfs_tree_lock() and __btrfs_tree_read_lock() 2024-05-07 21:31:00 +02:00
lru_cache.c btrfs: fix typos found by codespell 2023-12-15 23:00:04 +01:00
lru_cache.h btrfs: open code trivial btrfs_lru_cache_size() 2024-03-04 16:24:53 +01:00
lzo.c btrfs: compression: migrate compression/decompression paths to folios 2024-05-07 21:31:02 +02:00
Makefile btrfs: add support for inserting raid stripe extents 2023-10-12 16:44:09 +02:00
messages.c btrfs: remove colon from messages with state 2024-04-18 01:46:35 +02:00
messages.h btrfs: constify fs_info parameter in __btrfs_panic() 2023-12-15 20:27:02 +01:00
misc.h btrfs: add forward declarations and headers, part 2 2024-03-04 16:24:49 +01:00
ordered-data.c btrfs: pass a btrfs_inode to btrfs_wait_ordered_range() 2024-07-11 15:33:18 +02:00
ordered-data.h btrfs: pass a btrfs_inode to btrfs_wait_ordered_range() 2024-07-11 15:33:18 +02:00
orphan.c btrfs: remove unused included headers 2024-03-04 16:24:46 +01:00
orphan.h btrfs: add forward declarations and headers, part 1 2024-03-04 16:24:49 +01:00
print-tree.c btrfs: new inline ref storing owning subvol of data extents 2023-10-12 16:44:11 +02:00
print-tree.h btrfs: add forward declarations and headers, part 1 2024-03-04 16:24:49 +01:00
props.c btrfs: change root->root_key.objectid to btrfs_root_id() 2024-05-07 21:31:06 +02:00
props.h btrfs: add forward declarations and headers, part 1 2024-03-04 16:24:49 +01:00
qgroup.c btrfs: automatically remove the subvolume qgroup 2024-07-11 15:33:19 +02:00
qgroup.h btrfs: automatically remove the subvolume qgroup 2024-07-11 15:33:19 +02:00
raid56.c btrfs: raid56: do extra dumping for CONFIG_BTRFS_ASSERT 2024-07-11 15:33:16 +02:00
raid56.h btrfs: add forward declarations and headers, part 2 2024-03-04 16:24:49 +01:00
raid-stripe-tree.c btrfs: remove unused included headers 2024-03-04 16:24:46 +01:00
raid-stripe-tree.h btrfs: add forward declarations and headers, part 1 2024-03-04 16:24:49 +01:00
rcu-string.h btrfs: add forward declarations and headers, part 1 2024-03-04 16:24:49 +01:00
ref-verify.c btrfs: fix uninitialized return value in the ref-verify tool 2024-07-02 19:14:57 +02:00
ref-verify.h btrfs: add forward declarations and headers, part 1 2024-03-04 16:24:49 +01:00
reflink.c btrfs: pass a btrfs_inode to btrfs_wait_ordered_range() 2024-07-11 15:33:18 +02:00
reflink.h btrfs: add forward declarations and headers, part 1 2024-03-04 16:24:49 +01:00
relocation.c btrfs: pass a btrfs_inode to btrfs_wait_ordered_range() 2024-07-11 15:33:18 +02:00
relocation.h btrfs: add forward declarations and headers, part 1 2024-03-04 16:24:49 +01:00
root-tree.c btrfs: change root->root_key.objectid to btrfs_root_id() 2024-05-07 21:31:06 +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: handle RST lookup error correctly 2024-06-25 00:34:16 +02:00
scrub.h btrfs: add forward declarations and headers, part 1 2024-03-04 16:24:49 +01:00
send.c btrfs: change root->root_key.objectid to btrfs_root_id() 2024-05-07 21:31:06 +02:00
send.h btrfs: add forward declarations and headers, part 2 2024-03-04 16:24:49 +01:00
space-info.c btrfs: remove unused define EXTENT_SIZE_PER_ITEM 2024-07-11 15:33:19 +02:00
space-info.h btrfs: add forward declarations and headers, part 2 2024-03-04 16:24:49 +01:00
subpage.c btrfs: rename macro local variables that clash with other variables 2024-07-11 15:33:18 +02:00
subpage.h btrfs: subpage: make reader lock utilize bitmap 2024-03-05 17:13:23 +01:00
super.c btrfs: re-introduce 'norecovery' mount option 2024-05-21 15:27:17 +02:00
super.h btrfs: add forward declarations and headers, part 1 2024-03-04 16:24:49 +01:00
sysfs.c btrfs: use btrfs_is_testing() everywhere 2024-05-07 21:31:07 +02:00
sysfs.h btrfs: add forward declarations and headers, part 1 2024-03-04 16:24:49 +01:00
transaction.c btrfs: rename werr and err to ret in __btrfs_wait_marked_extents() 2024-05-07 21:31:08 +02:00
transaction.h btrfs: rename macro local variables that clash with other variables 2024-07-11 15:33:18 +02:00
tree-checker.c btrfs: use btrfs_is_testing() everywhere 2024-05-07 21:31:07 +02:00
tree-checker.h btrfs: make sure that WRITTEN is set on all metadata blocks 2024-05-02 22:11:13 +02:00
tree-log.c btrfs: use a btrfs_inode in the log context (struct btrfs_log_ctx) 2024-07-11 15:33:18 +02:00
tree-log.h btrfs: use a btrfs_inode in the log context (struct btrfs_log_ctx) 2024-07-11 15:33:18 +02:00
tree-mod-log.c btrfs: change root->root_key.objectid to btrfs_root_id() 2024-05-07 21:31:06 +02:00
tree-mod-log.h btrfs: add forward declarations and headers, part 1 2024-03-04 16:24:49 +01:00
ulist.c btrfs: remove unused included headers 2024-03-04 16:24:46 +01:00
ulist.h btrfs: add forward declarations and headers, part 2 2024-03-04 16:24:49 +01:00
uuid-tree.c btrfs: unify handling of return values of btrfs_insert_empty_items() 2024-03-04 16:24:48 +01:00
uuid-tree.h btrfs: add forward declarations and headers, part 1 2024-03-04 16:24:49 +01:00
verity.c btrfs: remove unused included headers 2024-03-04 16:24:46 +01:00
verity.h btrfs: add forward declarations and headers, part 1 2024-03-04 16:24:49 +01:00
volumes.c btrfs: use for-local variables that shadow function variables 2024-07-11 15:33:18 +02:00
volumes.h btrfs: count super block write errors in device instead of tracking folio error state 2024-05-07 21:31:11 +02:00
xattr.c btrfs: rename err to ret in btrfs_initxattrs() 2024-05-07 21:31:00 +02:00
xattr.h btrfs: add forward declarations and headers, part 1 2024-03-04 16:24:49 +01:00
zlib.c btrfs: compression: migrate compression/decompression paths to folios 2024-05-07 21:31:02 +02:00
zoned.c btrfs: use for-local variables that shadow function variables 2024-07-11 15:33:18 +02:00
zoned.h btrfs: zoned: make btrfs_get_dev_zone() static 2024-07-11 15:33:16 +02:00
zstd.c btrfs: compression: migrate compression/decompression paths to folios 2024-05-07 21:31:02 +02:00