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Merge tag 'for-5.17-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"This end of the year branch is intentionally not that exciting. Most
of the changes are under the hood, but there are some minor user
visible improvements and several performance improvements too.
Features:
- make send work with concurrent block group relocation.
We're not allowed to prevent send failing or silently producing
some bad stream but with more fine grained locking and checks it's
possible. The send vs deduplication exclusion could reuse the same
logic in the future.
- new exclusive operation 'balance paused' to allow adding a device
to filesystem with paused balance
- new sysfs file for fsid stored in the per-device directory to help
distinguish devices when seeding is enabled, the fsid may differ
from the one reported by the filesystem
Performance improvements:
- less metadata needed for directory logging, directory deletion is
20-40% faster
- in zoned mode, cache zone information during mount to speed up
repeated queries (about 50% speedup)
- free space tree entries get indexed and searched by size (latency
-30%, search run time -30%)
- less contention in tree node locking when inserting a key and no
splits are needed (files/sec in fsmark improves by 1-20%)
Fixes:
- fix ENOSPC failure when attempting direct IO write into NOCOW range
- fix deadlock between quota enable and other quota operations
- global reserve minimum calculations fixed to account for free space
tree
- in zoned mode, fix condition for chunk allocation that may not find
the right zone for reuse and could lead to early ENOSPC
Core:
- global reserve stealing got simplified and cleaned up in evict
- remove async transaction commit based on manual transaction refs,
reuse existing kthread and mechanisms to let it commit transaction
before timeout
- preparatory work for extent tree v2, add wrappers for global tree
roots, truncation path cleanups
- remove readahead framework, it's a bit overengineered and used only
for scrub, and yet it does not cover all its needs, there is
another readahead built in the b-tree search that is now used,
performance drop on HDD is about 5% which is acceptable and scrub
is often throttled anyway, on SSDs there's no reported drop but
slight improvement
- self tests report extent tree state when error occurs
- replace assert with debugging information when an uncommitted
transaction is found at unmount time
Other:
- error handling improvements
- other cleanups and refactoring"
* tag 'for-5.17-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (115 commits)
btrfs: output more debug messages for uncommitted transaction
btrfs: respect the max size in the header when activating swap file
btrfs: fix argument list that the kdoc format and script verified
btrfs: remove unnecessary parameter type from compression_decompress_bio
btrfs: selftests: dump extent io tree if extent-io-tree test failed
btrfs: scrub: cleanup the argument list of scrub_stripe()
btrfs: scrub: cleanup the argument list of scrub_chunk()
btrfs: remove reada infrastructure
btrfs: scrub: use btrfs_path::reada for extent tree readahead
btrfs: scrub: remove the unnecessary path parameter for scrub_raid56_parity()
btrfs: refactor unlock_up
btrfs: skip transaction commit after failure to create subvolume
btrfs: zoned: fix chunk allocation condition for zoned allocator
btrfs: add extent allocator hook to decide to allocate chunk or not
btrfs: zoned: unset dedicated block group on allocation failure
btrfs: zoned: drop redundant check for REQ_OP_ZONE_APPEND and btrfs_is_zoned
btrfs: zoned: sink zone check into btrfs_repair_one_zone
btrfs: zoned: simplify btrfs_check_meta_write_pointer
btrfs: zoned: encapsulate inode locking for zoned relocation
btrfs: sysfs: add devinfo/fsid to retrieve actual fsid from the device
...
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