On Wed, 20 Jul 2022 04:26:22 +0000, Kiselev, Oleg wrote:
> This patch avoids doing an O(n**2)-complexity walk through every flex group.
> Instead, it uses the already computed overhead information for the newly
> allocated space, and simply adds it to the previously calculated
> overhead stored in the superblock. This drastically reduces the time
> taken to resize very large bigalloc filesystems (from 3+ hours for a
> 64TB fs down to milliseconds).
>
> [...]
Applied, thanks! (Some slight adjustments were needed to resolve a
merge conflict.)
[1/2] ext4: reduce computation of overhead during resize
commit: d985f3d81c0be1c673ac0462b26727b2a1aeb0d6
Best regards,
--
Theodore Ts'o <tytso@xxxxxxx>
