Re: [PATCH v6 29/31] ext4: add tracepoints for EOF block zeroing and disksize-grow I/O

[sashiko-bot@kernel.org]

> From: Zhang Yi <yi.zhang@huawei.com>
> 
> Add tracepoints to track the disksize-grow-pending lifecycle in the
> writeback path and the block-zero-EOF entry point:
> 
> - ext4_iomap_wb_disksize_pending_submit: ioend is marked as
>   DISKSIZE_GROW_IO in ext4_iomap_writeback_submit().
> - ext4_iomap_wb_disksize_pending_complete: ioend of type
>   DISKSIZE_GROW_IO completes in ext4_iomap_finish_ioend().
> - ext4_iomap_wb_disksize_pending_wait: ioend worker waits for the
>   pending zeroed EOF block to complete.
> - ext4_iomap_wb_update_disksize: i_disksize is advanced in
>   ext4_iomap_wb_update_disksize, including the new value and
>   whether the update is a disksize-grow completion.
> - ext4_block_zero_eof: ext4_block_zero_eof is called with the range
>   and zeroing outcome, capturing the producer-side entry point.
> 
> Together with the previous mark/clear/wait tracepoints, these cover the
> full lifetime of the disksize-grow-pending state.
> 
> Signed-off-by: Zhang Yi <yi.zhang@huawei.com>

Sashiko has reviewed this patch and found no issues. It looks great!

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Sashiko AI review · https://sashiko.dev/#/patchset/20260903123543.2302999-1-yi.zhang@huaweicloud.com?part=29