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0b4989ebe8
Pull bcachefs fixes from Kent Overstreet: - fix kworker explosion, due to calling submit_bio() (which can block) from a multithreaded workqueue - fix error handling in btree node scan - forward compat fix: kill an old debug assert - key cache shrinker fixes This is a partial fix for stalls doing multithreaded creates - there were various O(n^2) issues the key cache shrinker was hitting [1]. There's more work coming here; I'm working on a patch to delete the key cache lock, which initial testing shows to be a pretty drastic performance improvement - assorted syzbot fixes Link: https://lore.kernel.org/linux-bcachefs/CAGudoHGenxzk0ZqPXXi1_QDbfqQhGHu+wUwzyS6WmfkUZ1HiXA@mail.gmail.com/ [1] * tag 'bcachefs-2024-06-12' of https://evilpiepirate.org/git/bcachefs: bcachefs: Fix rcu_read_lock() leak in drop_extra_replicas bcachefs: Add missing bch_inode_info.ei_flags init bcachefs: Add missing synchronize_srcu_expedited() call when shutting down bcachefs: Check for invalid bucket from bucket_gen(), gc_bucket() bcachefs: Replace bucket_valid() asserts in bucket lookup with proper checks bcachefs: Fix snapshot_create_lock lock ordering bcachefs: Fix refcount leak in check_fix_ptrs() bcachefs: Leave a buffer in the btree key cache to avoid lock thrashing bcachefs: Fix reporting of freed objects from key cache shrinker bcachefs: set sb->s_shrinker->seeks = 0 bcachefs: increase key cache shrinker batch size bcachefs: Enable automatic shrinking for rhashtables bcachefs: fix the display format for show-super bcachefs: fix stack frame size in fsck.c bcachefs: Delete incorrect BTREE_ID_NR assertion bcachefs: Fix incorrect error handling found_btree_node_is_readable() bcachefs: Split out btree_write_submit_wq
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.