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docs: btrfs-kernel: add the 5.10 performance regression, the Ctrl-C on balance kernel crash has been fixed

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Signed-off-by: Zygo Blaxell <bees@furryterror.org>
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Zygo Blaxell 2021-02-23 16:33:43 -05:00
parent 5f40f9edb0
commit 177f393ed6
1 changed files with 2 additions and 1 deletions
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docs/btrfs-kernel.md
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@ -53,8 +53,9 @@ These bugs are particularly popular among bees users:
| - | 5.7 | filesystem becomes read-only if out of space while deleting snapshot | 4.9.238, 4.14.200, 4.19.149, 5.4.69, 5.8 and later | 7c09c03091ac btrfs: don't force read-only after error in drop snapshot | - | 5.7 | filesystem becomes read-only if out of space while deleting snapshot | 4.9.238, 4.14.200, 4.19.149, 5.4.69, 5.8 and later | 7c09c03091ac btrfs: don't force read-only after error in drop snapshot
| 5.1 | 5.7 | balance, device delete, or filesystem shrink operations loop endlessly on a single block group without decreasing extent count | 5.4.54, 5.7.11, 5.8 and later | 1dae7e0e58b4 btrfs: reloc: clear DEAD\_RELOC\_TREE bit for orphan roots to prevent runaway balance | 5.1 | 5.7 | balance, device delete, or filesystem shrink operations loop endlessly on a single block group without decreasing extent count | 5.4.54, 5.7.11, 5.8 and later | 1dae7e0e58b4 btrfs: reloc: clear DEAD\_RELOC\_TREE bit for orphan roots to prevent runaway balance
| - | 5.8 | deadlock in `TREE_SEARCH` ioctl (core component of bees filesystem scanner), followed by regression in deadlock fix | 4.4.237, 4.9.237, 4.14.199, 4.19.146, 5.4.66, 5.8.10 and later | a48b73eca4ce btrfs: fix potential deadlock in the search ioctl, 1c78544eaa46 btrfs: fix wrong address when faulting in pages in the search ioctl | - | 5.8 | deadlock in `TREE_SEARCH` ioctl (core component of bees filesystem scanner), followed by regression in deadlock fix | 4.4.237, 4.9.237, 4.14.199, 4.19.146, 5.4.66, 5.8.10 and later | a48b73eca4ce btrfs: fix potential deadlock in the search ioctl, 1c78544eaa46 btrfs: fix wrong address when faulting in pages in the search ioctl
| 5.7 | 5.10 | kernel crash if balance receives fatal signal e.g. Ctrl-C | 5.4.93, 5.10.11, 5.11 and later | 18d3bff411c8 btrfs: don't get an EINTR during drop_snapshot for reloc
| 5.10 | 5.10 | 20x write performance regression | 5.10.8, 5.11 and later | e076ab2a2ca7 btrfs: shrink delalloc pages instead of full inodes
| 4.15 | - | spurious warnings from `fs/fs-writeback.c` when `flushoncommit` is enabled | - | workaround: comment out the `WARN_ON` | 4.15 | - | spurious warnings from `fs/fs-writeback.c` when `flushoncommit` is enabled | - | workaround: comment out the `WARN_ON`
| 5.7 | - | kernel crash if balance receives fatal signal at wrong moment during start of new block group | - | workaround: keep `btrfs balance` from being killed or Ctrl-Ced
"Last bad kernel" refers to that version's last stable update from "Last bad kernel" refers to that version's last stable update from
kernel.org. Distro kernels may backport additional fixes. Consult kernel.org. Distro kernels may backport additional fixes. Consult