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12958e9c4c
* New features/functionality
* Online repair
* Reserve disk space for online repairs.
* Fix misinteraction between the AIL and btree bulkloader because of
which the bulk load fails to queue a buffer for writeback if it
happens to be on the AIL list.
* Prevent transaction reservation overflows when reaping blocks during
online repair.
* Whenever possible, bulkloader now copies multiple records into a
block.
* Support repairing of
1. Per-AG free space, inode and refcount btrees.
2. Ondisk inodes.
3. File data and attribute fork mappings.
* Verify the contents of
1. Inode and data fork of realtime bitmap file.
2. Quota files.
* Introduce MF_MEM_PRE_REMOVE. This will be used to notify tasks about
a pmem device being removed.
* Bug fixes
* Fix memory leak of recovered attri intent items.
* Fix UAF during log intent recovery.
* Fix realtime geometry integer overflows.
* Prevent scrub from live locking in xchk_iget.
* Prevent fs shutdown when removing files during low free disk space.
* Prevent transaction reservation overflow when extending an RT device.
* Prevent incorrect warning from being printed when extending a
filesystem.
* Fix an off-by-one error in xreap_agextent_binval.
* Serialize access to perag radix tree during deletion operation.
* Fix perag memory leak during growfs.
* Allow allocation of minlen realtime extent when the maximum sized
realtime free extent is minlen in size.
* Cleanups
* Remove duplicate boilerplate code spread across functionality associated
with different log items.
* Cleanup resblks interfaces.
* Pass defer ops pointer to defer helpers instead of an enum.
* Initialize di_crc in xfs_log_dinode to prevent KMSAN warnings.
* Use static_assert() instead of BUILD_BUG_ON_MSG() to validate size of
structures and structure member offsets. This is done in order to be
able to share the code with userspace.
* Move XFS documentation under a new directory specific to XFS.
* Do not invoke deferred ops' ->create_done callback if the deferred
operation does not have an intent item associated with it.
* Remove duplicate inclusion of header files from scrub/health.c.
* Refactor Realtime code.
* Cleanup attr code.
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
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Merge tag 'xfs-6.8-merge-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs updates from Chandan Babu:
"New features/functionality:
- Online repair:
- Reserve disk space for online repairs
- Fix misinteraction between the AIL and btree bulkloader because
of which the bulk load fails to queue a buffer for writeback if
it happens to be on the AIL list
- Prevent transaction reservation overflows when reaping blocks
during online repair
- Whenever possible, bulkloader now copies multiple records into
a block
- Support repairing of
1. Per-AG free space, inode and refcount btrees
2. Ondisk inodes
3. File data and attribute fork mappings
- Verify the contents of
1. Inode and data fork of realtime bitmap file
2. Quota files
- Introduce MF_MEM_PRE_REMOVE. This will be used to notify tasks
about a pmem device being removed
Bug fixes:
- Fix memory leak of recovered attri intent items
- Fix UAF during log intent recovery
- Fix realtime geometry integer overflows
- Prevent scrub from live locking in xchk_iget
- Prevent fs shutdown when removing files during low free disk space
- Prevent transaction reservation overflow when extending an RT
device
- Prevent incorrect warning from being printed when extending a
filesystem
- Fix an off-by-one error in xreap_agextent_binval
- Serialize access to perag radix tree during deletion operation
- Fix perag memory leak during growfs
- Allow allocation of minlen realtime extent when the maximum sized
realtime free extent is minlen in size
Cleanups:
- Remove duplicate boilerplate code spread across functionality
associated with different log items
- Cleanup resblks interfaces
- Pass defer ops pointer to defer helpers instead of an enum
- Initialize di_crc in xfs_log_dinode to prevent KMSAN warnings
- Use static_assert() instead of BUILD_BUG_ON_MSG() to validate size
of structures and structure member offsets. This is done in order
to be able to share the code with userspace
- Move XFS documentation under a new directory specific to XFS
- Do not invoke deferred ops' ->create_done callback if the deferred
operation does not have an intent item associated with it
- Remove duplicate inclusion of header files from scrub/health.c
- Refactor Realtime code
- Cleanup attr code"
* tag 'xfs-6.8-merge-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (123 commits)
xfs: use the op name in trace_xlog_intent_recovery_failed
xfs: fix a use after free in xfs_defer_finish_recovery
xfs: turn the XFS_DA_OP_REPLACE checks in xfs_attr_shortform_addname into asserts
xfs: remove xfs_attr_sf_hdr_t
xfs: remove struct xfs_attr_shortform
xfs: use xfs_attr_sf_findname in xfs_attr_shortform_getvalue
xfs: remove xfs_attr_shortform_lookup
xfs: simplify xfs_attr_sf_findname
xfs: move the xfs_attr_sf_lookup tracepoint
xfs: return if_data from xfs_idata_realloc
xfs: make if_data a void pointer
xfs: fold xfs_rtallocate_extent into xfs_bmap_rtalloc
xfs: simplify and optimize the RT allocation fallback cascade
xfs: reorder the minlen and prod calculations in xfs_bmap_rtalloc
xfs: remove XFS_RTMIN/XFS_RTMAX
xfs: remove rt-wrappers from xfs_format.h
xfs: factor out a xfs_rtalloc_sumlevel helper
xfs: tidy up xfs_rtallocate_extent_exact
xfs: merge the calls to xfs_rtallocate_range in xfs_rtallocate_block
xfs: reflow the tail end of xfs_rtallocate_extent_block
...
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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 Restructured Text 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.