2024-04-17 02:04:08

by Theodore Ts'o

[permalink] [raw]
Subject: Re: [PATCH] mke2fs: batch zeroing inode table


On Mon, 04 Sep 2023 14:58:06 +1000, Li Dongyang wrote:
> For flex_bg enabled fs, we could merge the
> inode table blocks into a contiguous range,
> this improves mke2fs time on large devices
> when lazy_itable_init is disabled.
>
> On a 977TB device, unpatched mke2fs was running
> for 449m10s before getting terminated manually.
> strace shows huge number of fallocate, given the
> offset from fallocate it has done 41% of the inode
> tables, the estimated time needed would be 1082m.
>
> [...]

Applied, thanks!

[1/1] mke2fs: batch zeroing inode table
commit: a192f4f344456c2390ce946b4a71db0b85ce5665

Best regards,
--
Theodore Ts'o <[email protected]>