Commits on Nov 27, 2023

1. zfs: default disable zfs_dmu_offset_next_sync to avoid data corruption …

   This helps mitigate a data corruption bug. This was previously defaulted
   to zero prior to upstream commit
   05b3eb6d232009db247882a39d518e7282630753, and it is already a tunable,
   so doing this seems safe. Initially data corruption was thought to be
   introduced with v2.2, but further upstream investigation currently
   believes that changes in v2.2 only exacerbated the issue that already
   existed.
   
   A longer-term fix is likely to be
   openzfs/zfs#15571, though that is not yet
   merged. The zfs_2_1 package has already backported that, so do not apply
   the tunable default change there.
   
   Positioning of `extraPatches` is to avoid merge conflicts with
   NixOS#269097.
   
   Patch is nearly identical to the [Gentoo][1] patch, but better patch
   formatting.
   
   See openzfs/zfs#11900
   See openzfs/zfs#15526
   
   [1]: https://gitweb.gentoo.org/repo/gentoo.git/tree/sys-fs/zfs-kmod/files/zfs-kmod-2.2.1-Disable-zfs_dmu_offset_next_sync-tunable-by-default.patch
   
   (cherry picked from commit 9670ddc)

   

   amarshall authored and adamcstephens committed Nov 27, 2023
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