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Merge tag 'for-6.16-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"Apart from numerous cleanups, there are some performance improvements
and one minor mount option update. There's one more radix-tree
conversion (one remaining), and continued work towards enabling large
folios (almost finished).
Performance:
- extent buffer conversion to xarray gains throughput and runtime
improvements on metadata heavy operations doing writeback (sample
test shows +50% throughput, -33% runtime)
- extent io tree cleanups lead to performance improvements by
avoiding unnecessary searches or repeated searches
- more efficient extent unpinning when committing transaction
(estimated run time improvement 3-5%)
User visible changes:
- remove standalone mount option 'nologreplay', deprecated in 5.9,
replacement is 'rescue=nologreplay'
- in scrub, update reporting, add back device stats message after
detected errors (accidentally removed during recent refactoring)
Core:
- convert extent buffer radix tree to xarray
- in subpage mode, move block perfect compression out of experimental
build
- in zoned mode, introduce sub block groups to allow managing special
block groups, like the one for relocation or tree-log, to handle
some corner cases of ENOSPC
- in scrub, simplify bitmaps for block tracking status
- continued preparations for large folios:
- remove assertions for folio order 0
- add support where missing: compression, buffered write, defrag,
hole punching, subpage, send
- fix fsync of files with no hard links not persisting deletion
- reject tree blocks which are not nodesize aligned, a precaution
from 4.9 times
- move transaction abort calls closer to the error sites
- remove usage of some struct bio_vec internals
- simplifications in extent map
- extent IO cleanups and optimizations
- error handling improvements
- enhanced ASSERT() macro with optional format strings
- cleanups:
- remove unused code
- naming unifications, dropped __, added prefix
- merge similar functions
- use common helpers for various data structures"
* tag 'for-6.16-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (198 commits)
btrfs: move misplaced comment of btrfs_path::keep_locks
btrfs: remove standalone "nologreplay" mount option
btrfs: use a single variable to track return value at btrfs_page_mkwrite()
btrfs: don't return VM_FAULT_SIGBUS on failure to set delalloc for mmap write
btrfs: simplify early error checking in btrfs_page_mkwrite()
btrfs: pass true to btrfs_delalloc_release_space() at btrfs_page_mkwrite()
btrfs: fix wrong start offset for delalloc space release during mmap write
btrfs: fix harmless race getting delayed ref head count when running delayed refs
btrfs: log error codes during failures when writing super blocks
btrfs: simplify error return logic when getting folio at prepare_one_folio()
btrfs: return real error from __filemap_get_folio() calls
btrfs: remove superfluous return value check at btrfs_dio_iomap_begin()
btrfs: fix invalid data space release when truncating block in NOCOW mode
btrfs: update Kconfig option descriptions
btrfs: update list of features built under experimental config
btrfs: send: remove btrfs_debug() calls
btrfs: use boolean for delalloc argument to btrfs_free_reserved_extent()
btrfs: use boolean for delalloc argument to btrfs_free_reserved_bytes()
btrfs: fold error checks when allocating ordered extent and update comments
btrfs: check we grabbed inode reference when allocating an ordered extent
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| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .clippy.toml | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.