On Tue, 14 Mar 2023 09:07:59 -0400, Brian Foster wrote:
> We've had reports of significant performance regression of sub-block
> (unaligned) direct writes due to the added exclusivity restrictions
> in ext4. The purpose of the exclusivity requirement for unaligned
> direct writes is to avoid data corruption caused by unserialized
> partial block zeroing in the iomap dio layer across overlapping
> writes.
>
> [...]
Applied, thanks!
[1/1] ext4: allow concurrent unaligned dio overwrites
commit: d3dfa834d0c6c6a168a745185fe6a64c901c186f
Best regards,
--
Theodore Ts'o <tytso@xxxxxxx>
