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Boris Burkov d9a620f77e btrfs: new inline ref storing owning subvol of data extents 
In order to implement simple quota groups, we need to be able to
associate a data extent with the subvolume that created it. Once you
account for reflink, this information cannot be recovered without
explicitly storing it. Options for storing it are:

- a new key/item
- a new extent inline ref item

The former is backwards compatible, but wastes space, the latter is
incompat, but is efficient in space and reuses the existing inline ref
machinery, while only abusing it a tiny amount -- specifically, the new
item is not a ref, per-se.

Signed-off-by: Boris Burkov <boris@bur.io>
Signed-off-by: David Sterba <dsterba@suse.com>
2023-10-12 16:44:11 +02:00
..
tests
btrfs: abort transaction on generation mismatch when marking eb as dirty
2023-10-12 16:44:07 +02:00
accessors.c
btrfs: add eb to btrfs_node_key_ptr_offset
2022-12-05 18:00:58 +01:00
accessors.h
btrfs: new inline ref storing owning subvol of data extents
2023-10-12 16:44:11 +02:00
acl.c
fs: port acl to mnt_idmap
2023-01-19 09:24:28 +01:00
acl.h
fs: port ->set_acl() to pass mnt_idmap
2023-01-19 09:24:27 +01:00
async-thread.c
btrfs: merge ordered work callbacks in btrfs_work into one
2023-10-12 16:44:10 +02:00
async-thread.h
btrfs: merge ordered work callbacks in btrfs_work into one
2023-10-12 16:44:10 +02:00
backref.c
btrfs: new inline ref storing owning subvol of data extents
2023-10-12 16:44:11 +02:00
backref.h
btrfs: rename errno identifiers to error
2023-10-12 16:44:07 +02:00
bio.c
btrfs: merge ordered work callbacks in btrfs_work into one
2023-10-12 16:44:10 +02:00
bio.h
btrfs: add an ordered_extent pointer to struct btrfs_bio
2023-06-19 13:59:36 +02:00
block-group.c
btrfs: merge ordered work callbacks in btrfs_work into one
2023-10-12 16:44:10 +02:00
block-group.h
btrfs: rename add_new_free_space() to btrfs_add_new_free_space()
2023-08-21 14:52:12 +02:00
block-rsv.c
btrfs: read raid stripe tree from disk
2023-10-12 16:44:09 +02:00
block-rsv.h
btrfs: move btrfs_check_trunc_cache_free_space into block-rsv.c
2023-06-19 13:59:24 +02:00
btrfs_inode.h
btrfs: reduce size and reorder compression members in struct btrfs_inode
2023-10-12 16:44:04 +02:00
compression.c
btrfs: rename errno identifiers to error
2023-10-12 16:44:07 +02:00
compression.h
btrfs: pass an ordered_extent to btrfs_submit_compressed_write
2023-06-19 13:59:36 +02:00
ctree.c
btrfs: abort transaction on generation mismatch when marking eb as dirty
2023-10-12 16:44:07 +02:00
ctree.h
btrfs: abort transaction on generation mismatch when marking eb as dirty
2023-10-12 16:44:07 +02:00
defrag.c
btrfs: drop gfp from parameter extent state helpers
2023-06-19 13:59:30 +02:00
defrag.h
btrfs: move defrag related prototypes to their own header
2022-12-05 18:00:46 +01:00
delalloc-space.c
btrfs: don't arbitrarily slow down delalloc if we're committing
2023-10-12 16:44:08 +02:00
delalloc-space.h
btrfs: move delalloc space related prototypes to delalloc-space.h
2022-12-05 18:00:44 +01:00
delayed-inode.c
btrfs: merge ordered work callbacks in btrfs_work into one
2023-10-12 16:44:10 +02:00
delayed-inode.h
btrfs: add __counted_by for struct btrfs_delayed_item and use struct_size()
2023-10-11 11:37:19 +02:00
delayed-ref.c
btrfs: track original extent owner in head_ref
2023-10-12 16:44:11 +02:00
delayed-ref.h
btrfs: track original extent owner in head_ref
2023-10-12 16:44:11 +02:00
dev-replace.c
btrfs: abort transaction on generation mismatch when marking eb as dirty
2023-10-12 16:44:07 +02:00
dev-replace.h
btrfs: move dev-replace prototypes into dev-replace.h
2022-12-05 18:00:47 +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 fscrypt related dependencies to respective headers
2023-10-12 16:44:02 +02:00
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: read raid stripe tree from disk
2023-10-12 16:44:09 +02:00
disk-io.h
btrfs: abort transaction on generation mismatch when marking eb as dirty
2023-10-12 16:44:07 +02:00
export.c
btrfs: move super_block specific helpers into super.h
2022-12-05 18:00:47 +01:00
export.h
btrfs: simplify generation check in btrfs_get_dentry
2022-12-05 18:00:41 +01:00
extent_io.c
btrfs: warn on tree blocks which are not nodesize aligned
2023-10-12 16:44:09 +02:00
extent_io.h
btrfs: move extent_buffer::lock_owner to debug section
2023-10-12 16:44:05 +02:00
extent_map.c
btrfs: fix incorrect splitting in btrfs_drop_extent_map_range
2023-08-18 14:38:10 +02:00
extent_map.h
btrfs: pass the new logical address to split_extent_map
2023-06-19 13:59:33 +02:00
extent-io-tree.c
btrfs: make find_first_extent_bit() return a boolean
2023-08-21 14:52:12 +02:00
extent-io-tree.h
btrfs: make find_first_extent_bit() return a boolean
2023-08-21 14:52:12 +02:00
extent-tree.c
btrfs: new inline ref storing owning subvol of data extents
2023-10-12 16:44:11 +02:00
extent-tree.h
btrfs: allow to run delayed refs by bytes to be released instead of count
2023-10-12 16:44:06 +02:00
file-item.c
btrfs: abort transaction on generation mismatch when marking eb as dirty
2023-10-12 16:44:07 +02:00
file-item.h
btrfs: scrub: avoid unnecessary csum tree search preparing stripes
2023-08-21 14:54:48 +02:00
file.c
btrfs: track owning root in btrfs_ref
2023-10-12 16:44:11 +02:00
file.h
btrfs: use cached state when looking for delalloc ranges with fiemap
2022-12-05 18:00:56 +01:00
free-space-cache.c
btrfs: abort transaction on generation mismatch when marking eb as dirty
2023-10-12 16:44:07 +02:00
free-space-cache.h
btrfs: move btrfs_check_trunc_cache_free_space into block-rsv.c
2023-06-19 13:59:24 +02:00
free-space-tree.c
btrfs: abort transaction on generation mismatch when marking eb as dirty
2023-10-12 16:44:07 +02:00
free-space-tree.h
btrfs: make clear_cache mount option to rebuild FST without disabling it
2023-05-10 14:51:27 +02:00
fs.c
btrfs: sysfs: update fs features directory asynchronously
2023-02-13 17:50:35 +01:00
fs.h
btrfs: qgroup: add new quota mode for simple quotas
2023-10-12 16:44:10 +02:00
inode-item.c
btrfs: track owning root in btrfs_ref
2023-10-12 16:44:11 +02:00
inode-item.h
btrfs: add fscrypt related dependencies to respective headers
2023-10-12 16:44:02 +02:00
inode.c
btrfs: merge ordered work callbacks in btrfs_work into one
2023-10-12 16:44:10 +02:00
ioctl.c
btrfs: qgroup: add new quota mode for simple quotas
2023-10-12 16:44:10 +02:00
ioctl.h
fs: port ->fileattr_set() to pass mnt_idmap
2023-01-19 09:24:27 +01:00
Kconfig
btrfs: check-integrity: remove CONFIG_BTRFS_FS_CHECK_INTEGRITY option
2023-10-12 16:44:05 +02:00
locking.c
btrfs: add raid stripe tree definitions
2023-10-12 16:44:09 +02:00
locking.h
btrfs: do not block starts waiting on previous transaction commit
2023-09-08 14:10:49 +02:00
lru_cache.c
btrfs: send: cache utimes operations for directories if possible
2023-02-15 19:38:50 +01:00
lru_cache.h
btrfs: remove btrfs_lru_cache_is_full() inline function
2023-04-17 18:01:18 +02:00
lzo.c
btrfs: disable allocation warnings for compression workspaces
2023-06-19 13:59:34 +02:00
Makefile
btrfs: add support for inserting raid stripe extents
2023-10-12 16:44:09 +02:00
messages.c
btrfs: rename errno identifiers to error
2023-10-12 16:44:07 +02:00
messages.h
btrfs: rename errno identifiers to error
2023-10-12 16:44:07 +02:00
misc.h
minmax: add in_range() macro
2023-08-24 16:20:18 -07:00
ordered-data.c
btrfs: merge ordered work callbacks in btrfs_work into one
2023-10-12 16:44:10 +02:00
ordered-data.h
btrfs: add support for inserting raid stripe extents
2023-10-12 16:44:09 +02:00
orphan.c
btrfs: move orphan prototypes into orphan.h
2022-12-05 18:00:47 +01:00
orphan.h
btrfs: move orphan prototypes into orphan.h
2022-12-05 18:00:47 +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: print-tree: pass const extent buffer pointer
2023-06-19 13:59:22 +02:00
props.c
btrfs: move btrfs_name_hash to dir-item.h
2023-10-12 16:44:02 +02:00
props.h
btrfs: make module init/exit match their sequence
2022-12-05 18:00:40 +01:00
qgroup.c
btrfs: add helper for recording simple quota deltas
2023-10-12 16:44:11 +02:00
qgroup.h
btrfs: add helper for recording simple quota deltas
2023-10-12 16:44:11 +02:00
raid56.c
btrfs: scrub: avoid unnecessary csum tree search preparing stripes
2023-08-21 14:54:48 +02:00
raid56.h
btrfs: raid56: remove unused BTRFS_RBIO_REBUILD_MISSING
2023-08-21 14:52:12 +02:00
raid-stripe-tree.c
btrfs: tracepoints: add events for raid stripe tree
2023-10-12 16:44:10 +02:00
raid-stripe-tree.h
btrfs: zoned: support RAID0/1/10 on top of raid stripe tree
2023-10-12 16:44:09 +02:00
rcu-string.h
btrfs: replace strncpy() with strscpy()
2022-12-05 18:00:59 +01:00
ref-verify.c
btrfs: new inline ref storing owning subvol of data extents
2023-10-12 16:44:11 +02:00
ref-verify.h
…
reflink.c
btrfs: convert to ctime accessor functions
2023-07-13 10:28:04 +02:00
reflink.h
…
relocation.c
btrfs: track owning root in btrfs_ref
2023-10-12 16:44:11 +02:00
relocation.h
btrfs: pass an ordered_extent to btrfs_reloc_clone_csums
2023-06-19 13:59:36 +02:00
root-tree.c
btrfs: qgroup: add new quota mode for simple quotas
2023-10-12 16:44:10 +02:00
root-tree.h
btrfs: drop __must_check annotations
2023-10-12 16:44:04 +02:00
scrub.c
btrfs: scrub: implement raid stripe tree support
2023-10-12 16:44:09 +02:00
scrub.h
btrfs: scrub: remove scrub_bio structure
2023-04-17 18:01:24 +02:00
send.c
btrfs: remove btrfs_crc32c wrapper
2023-10-12 16:44:02 +02:00
send.h
btrfs: send add define for v2 buffer size
2022-12-05 18:00:41 +01:00
space-info.c
btrfs: allow to run delayed refs by bytes to be released instead of count
2023-10-12 16:44:06 +02:00
space-info.h
btrfs: pass a space_info argument to btrfs_reserve_metadata_bytes()
2023-10-12 16:44:05 +02:00
subpage.c
btrfs: stop setting PageError in the data I/O path
2023-06-19 13:59:35 +02:00
subpage.h
btrfs: stop setting PageError in the data I/O path
2023-06-19 13:59:35 +02:00
super.c
btrfs: scan but don't register device on single device filesystem
2023-10-12 16:44:07 +02:00
super.h
btrfs: move super_block specific helpers into super.h
2022-12-05 18:00:47 +01:00
sysfs.c
btrfs: sysfs: add simple_quota incompat feature entry
2023-10-12 16:44:10 +02:00
sysfs.h
btrfs: sysfs: update fs features directory asynchronously
2023-02-13 17:50:35 +01:00
transaction.c
btrfs: create qgroup earlier in snapshot creation
2023-10-12 16:44:10 +02:00
transaction.h
btrfs: rename errno identifiers to error
2023-10-12 16:44:07 +02:00
tree-checker.c
btrfs: new inline ref storing owning subvol of data extents
2023-10-12 16:44:11 +02:00
tree-checker.h
btrfs: move btrfs_verify_level_key into tree-checker.c
2023-06-19 13:59:25 +02:00
tree-log.c
btrfs: track owning root in btrfs_ref
2023-10-12 16:44:11 +02:00
tree-log.h
btrfs: change for_rename argument of btrfs_record_unlink_dir() to bool
2023-06-19 13:59:26 +02:00
tree-mod-log.c
btrfs: avoid tree mod log ENOMEM failures when we don't need to log
2023-06-19 13:59:38 +02:00
tree-mod-log.h
btrfs: fix SPDX comment in tree-mod-log.h
2022-12-05 18:00:48 +01:00
ulist.c
btrfs: reformat remaining kdoc style comments
2023-10-12 16:44:04 +02:00
ulist.h
btrfs: constify ulist parameter of ulist_next()
2022-12-05 18:00:50 +01:00
uuid-tree.c
btrfs: abort transaction on generation mismatch when marking eb as dirty
2023-10-12 16:44:07 +02:00
uuid-tree.h
btrfs: move uuid tree prototypes to uuid-tree.h
2022-12-05 18:00:46 +01:00
verity.c
btrfs: convert btrfs_read_merkle_tree_page() to use a folio
2023-09-13 18:40:54 +02:00
verity.h
btrfs: move verity prototypes into verity.h
2022-12-05 18:00:47 +01:00
volumes.c
btrfs: zoned: support RAID0/1/10 on top of raid stripe tree
2023-10-12 16:44:09 +02:00
volumes.h
btrfs: scrub: implement raid stripe tree support
2023-10-12 16:44:09 +02:00
xattr.c
btrfs: abort transaction on generation mismatch when marking eb as dirty
2023-10-12 16:44:07 +02:00
xattr.h
…
zlib.c
btrfs: disable allocation warnings for compression workspaces
2023-06-19 13:59:34 +02:00
zoned.c
btrfs: zoned: support RAID0/1/10 on top of raid stripe tree
2023-10-12 16:44:09 +02:00
zoned.h
btrfs: zoned: reserve zones for an active metadata/system block group
2023-08-21 14:52:19 +02:00
zstd.c
btrfs: reformat remaining kdoc style comments
2023-10-12 16:44:04 +02:00