Re: [PATCH 0/8] Some fixes and cleanup to mballoc

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On Wed, Mar 22, 2023 at 12:12:12AM +0800, Kemeng Shi wrote:
> We use cluster unit and block unit for different structure members. For
> example, in struct ext4_prealloc_space, pa_lstart and pa_pstart are in
> block unit while pa_len and pa_free are in cluster unit; in struct
> ext4_free_extent, fe_logical is in block unit while fe_start and fe_len
> are in cluster unit. The first five patches fix wrong unit use in
> mballoc.
> The rest is random bugfix and cleanup to mballoc, More details can be
> found in respective patches.
> Besides, "kvm-xfstest smoke" passes all test.
> Thanks!
> 
> Kemeng Shi (8):
>   ext4: fix wrong unit use in ext4_mb_normalize_request
>   ext4: fix unit mismatch in ext4_mb_new_blocks_simple
>   ext4: fix wrong unit use in ext4_mb_new_inode_pa
>   ext4: fix wrong unit use in ext4_mb_find_by_goal
>   ext4: treat stripe in block unit
>   ext4: add EXT4_MB_HINT_GOAL_ONLY test in ext4_mb_use_preallocated
>   ext4: remove ext4_block_group and ext4_block_group_offset declaration
>   ext4: try all groups in ext4_mb_new_blocks_simple
> 
>  fs/ext4/ext4.h    |  4 ---
>  fs/ext4/mballoc.c | 75 +++++++++++++++++++++++++++++++++++------------
>  fs/ext4/super.c   | 13 ++++++++
>  3 files changed, 70 insertions(+), 22 deletions(-)
Hi Kemeng,

Thanks for the patches, they mostly look good to me. I'm running some
tests at my end as well and would provide my RVBs after that. Just
adding a few comments to some of the patches in the meantime.

Regards,
Ojaswin
> 
> -- 
> 2.30.0
> 



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