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bcachefs fixes for 6.10-rc4

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- 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
 
   https://lore.kernel.org/linux-bcachefs/fmfpgkt3dlzxhotrfmqg3j3wn5bpqiqvlc44xllncvdkimmx3i@n4okabtvhu7t/
 
   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
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Merge tag 'bcachefs-2024-06-12' of https://evilpiepirate.org/git/bcachefs

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
This commit is contained in:
Linus Torvalds 2024-06-12 15:08:23 -07:00
commit 0b4989ebe8
22 changed files with 344 additions and 220 deletions
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