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authorLinus Torvalds <torvalds@linux-foundation.org>2024-07-12 12:08:42 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2024-07-12 12:08:42 -0700
commit975f3b6da18020f1c8a7667ccb08fa542928ec03 (patch)
tree0e5bbc245ec66f9217f2926c677186d85a487bc4 /fs/btrfs/send.h
parenta52ff901a17432a86efffa4d6fb41cca59042802 (diff)
parent4484940514295b75389f94787f8e179ba6255353 (diff)
Merge tag 'for-6.10-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba: "Fix a regression in extent map shrinker behaviour. In the past weeks we got reports from users that there are huge latency spikes or freezes. This was bisected to newly added shrinker of extent maps (it was added to fix a build up of the structures in memory). I'm assuming that the freezes would happen to many users after release so I'd like to get it merged now so it's in 6.10. Although the diff size is not small the changes are relatively straightforward, the reporters verified the fixes and we did testing on our side. The fixes: - adjust behaviour under memory pressure and check lock or scheduling conditions, bail out if needed - synchronize tracking of the scanning progress so inode ranges are not skipped or work duplicated - do a delayed iput when scanning a root so evicting an inode does not slow things down in case of lots of dirty data, also fix lockdep warning, a deadlock could happen when writing the dirty data would need to start a transaction" * tag 'for-6.10-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: btrfs: avoid races when tracking progress for extent map shrinking btrfs: stop extent map shrinker if reschedule is needed btrfs: use delayed iput during extent map shrinking
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