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tests, as well as cleaning how we update the backup superblock after
online resizes or updating the label or uuid.
Optimize handling of released data blocks in ext4's commit machinery
to avoid a potential lock contention on s_md_lock spinlock.
Fix a number of ext4 bugs:
- fix race between writepages and remount
- fix racy may inline data check in dio write
- add missed brelse in an error path in update_backups
- fix umask handling when ACL support is disabled
- fix lost EIO error when a journal commit races with a fsync of the
blockdev
- fix potential improper i_size when there is a crash right after an
O_SYNC direct write.
- check extent node for validity before potentially using what might
be an invalid pointer
- fix potential stale data exposure when writing to an unwritten extent
and the file system is nearly out of space
- fix potential accounting error around block reservations when writing
partial delayed allocation writes to a bigalloc cluster
- avoid memory allocation failure when tracking partial delayed allocation
writes to a bigalloc cluster
- fix various debugging print messages
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Merge tag 'ext4_for_linus-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 updates from Ted Ts'o:
"Cleanup ext4's multi-block allocator, including adding some unit
tests, as well as cleaning how we update the backup superblock after
online resizes or updating the label or uuid.
Optimize handling of released data blocks in ext4's commit machinery
to avoid a potential lock contention on s_md_lock spinlock.
Fix a number of ext4 bugs:
- fix race between writepages and remount
- fix racy may inline data check in dio write
- add missed brelse in an error path in update_backups
- fix umask handling when ACL support is disabled
- fix lost EIO error when a journal commit races with a fsync of the
blockdev
- fix potential improper i_size when there is a crash right after an
O_SYNC direct write.
- check extent node for validity before potentially using what might
be an invalid pointer
- fix potential stale data exposure when writing to an unwritten
extent and the file system is nearly out of space
- fix potential accounting error around block reservations when
writing partial delayed allocation writes to a bigalloc cluster
- avoid memory allocation failure when tracking partial delayed
allocation writes to a bigalloc cluster
- fix various debugging print messages"
* tag 'ext4_for_linus-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (41 commits)
ext4: properly sync file size update after O_SYNC direct IO
ext4: fix racy may inline data check in dio write
ext4: run mballoc test with different layouts setting
ext4: add first unit test for ext4_mb_new_blocks_simple in mballoc
ext4: add some kunit stub for mballoc kunit test
ext4: call ext4_mb_mark_context in ext4_group_add_blocks()
ext4: Separate block bitmap and buddy bitmap freeing in ext4_group_add_blocks()
ext4: call ext4_mb_mark_context in ext4_mb_clear_bb
ext4: Separate block bitmap and buddy bitmap freeing in ext4_mb_clear_bb()
ext4: call ext4_mb_mark_context in ext4_mb_mark_diskspace_used
ext4: extend ext4_mb_mark_context to support allocation under journal
ext4: call ext4_mb_mark_context in ext4_free_blocks_simple
ext4: factor out codes to update block bitmap and group descriptor on disk from ext4_mb_mark_bb
ext4: make state in ext4_mb_mark_bb to be bool
jbd2: fix potential data lost in recovering journal raced with synchronizing fs bdev
ext4: apply umask if ACL support is disabled
ext4: mark buffer new if it is unwritten to avoid stale data exposure
ext4: move 'ix' sanity check to corrent position
jbd2: fix printk format type for 'io_block' in do_one_pass()
jbd2: print io_block if check data block checksum failed when do recovery
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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.