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Merge tag 'for-6.14-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"User visible changes, features:
- rebuilding of the free space tree at mount time is done in more
transactions, fix potential hangs when the transaction thread is
blocked due to large amount of block groups
- more read IO balancing strategies (experimental config), add two
new ways how to select a device for read if the profiles allow that
(all RAID1*), the current default selects the device by pid which
is good on average but less performant for single reader workloads
- select preferred device for all reads (namely for testing)
- round-robin, balance reads across devices relevant for the
requested IO range
- add encoded write ioctl support to io_uring (read was added in
6.12), basis for writing send stream using that instead of
syscalls, non-blocking mode is not yet implemented
- support FS_IOC_READ_VERITY_METADATA, applications can use the
metadata to do their own verification
- pass inode's i_write_hint to bios, for parity with other
filesystems, ioctls F_GET_RW_HINT/F_SET_RW_HINT
Core:
- in zoned mode: allow to directly reclaim a block group by simply
resetting it, then it can be reused and another block group does
not need to be allocated
- super block validation now also does more comprehensive sys array
validation, adding it to the points where superblock is validated
(post-read, pre-write)
- subpage mode fixes:
- fix double accounting of blocks due to some races
- improved or fixed error handling in a few cases (compression,
delalloc)
- raid stripe tree:
- fix various cases with extent range splitting or deleting
- implement hole punching to extent range
- reduce number of stripe tree lookups during bio submission
- more self-tests
- updated self-tests (delayed refs)
- error handling improvements
- cleanups, refactoring
- remove rest of backref caching infrastructure from relocation,
not needed anymore
- error message updates
- remove unnecessary calls when extent buffer was marked dirty
- unused parameter removal
- code moved to new files
Other code changes: add rb_find_add_cached() to the rb-tree API"
* tag 'for-6.14-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (127 commits)
btrfs: selftests: add a selftest for deleting two out of three extents
btrfs: selftests: add test for punching a hole into 3 RAID stripe-extents
btrfs: selftests: add selftest for punching holes into the RAID stripe extents
btrfs: selftests: test RAID stripe-tree deletion spanning two items
btrfs: selftests: don't split RAID extents in half
btrfs: selftests: check for correct return value of failed lookup
btrfs: don't use btrfs_set_item_key_safe on RAID stripe-extents
btrfs: implement hole punching for RAID stripe extents
btrfs: fix deletion of a range spanning parts two RAID stripe extents
btrfs: fix tail delete of RAID stripe-extents
btrfs: fix front delete range calculation for RAID stripe extents
btrfs: assert RAID stripe-extent length is always greater than 0
btrfs: don't try to delete RAID stripe-extents if we don't need to
btrfs: selftests: correct RAID stripe-tree feature flag setting
btrfs: add io_uring interface for encoded writes
btrfs: remove the unused locked_folio parameter from btrfs_cleanup_ordered_extents()
btrfs: add extra error messages for delalloc range related errors
btrfs: subpage: dump the involved bitmap when ASSERT() failed
btrfs: subpage: fix the bitmap dump of the locked flags
btrfs: do proper folio cleanup when run_delalloc_nocow() failed
...
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| io_uring | ||
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| kernel | ||
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| .clang-format | ||
| .clippy.toml | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
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| 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.