Re: [PATCH 12/13] ext4: remove unnecessary check for avoiding multiple update_backups in ext4_flex_group_add

From: Theodore Ts'o
Date: Tue Aug 15 2023 - 23:48:36 EST


On Thu, Jun 29, 2023 at 08:00:43PM +0800, Kemeng Shi wrote:
> Commit 0acdb8876fead ("ext4: don't call update_backups() multiple times
> for the same bg") add check in ext4_flex_group_add to avoid call
> update_backups multiple times for block group descriptors in the same
> group descriptor block. However, we have already call update_backups in
> block step, so the added check is unnecessary.

I'm having trouble understaind this comit. What do you mean by the
"block step" in the last paragraph?

- Ted