Re: [f2fs-dev] [PATCH] f2fs: zone: fix to avoid bio split on sequential zone

[patchwork-bot+f2fs]

Hello:

This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim <jaegeuk@xxxxxxxxxx>:

On Wed,  7 Oct 2026 10:18:12 +0000 you wrote:
> From: Chao Yu <chao@xxxxxxxxxx>
> 
> In the block layer, bio_split_to_limits() splits a bio if it exceeds
> any underlying queue limits:
> 1. queue_max_sectors: Splits bios larger than the transfer limit. This
>    limit is set by the device driver/DMA controller (max_hw_sectors) and
>    device-mapper targets. When flushing dirty pages (governed by VFS
>    writeback_chunk_size() and f2fs nr_pages_to_skip()), f2fs merges
>    contiguous pages into bios up to 512KB (1024 sectors) or more without
>    checking queue_max_sectors, which will be split if the device or DM
>    target enforces a smaller limit.
> 2. queue_max_segments: Splits bios exceeding scatter-gather segment
>    limits. f2fs allocates bios with up to 256 pages, exceeding the
>    128-segment limit of DM targets (dm-default-key/dm-crypt) if pages
>    are discontiguous.
> 3. chunk_sectors: Splits bios crossing chunk/zone boundaries. In f2fs,
>    section_size strictly matches zone_size, and block allocation never
>    spans across section boundaries, so bios never cross chunk_sectors.
> 
> [...]

Here is the summary with links:
  - [f2fs-dev] f2fs: zone: fix to avoid bio split on sequential zone
    https://git.kernel.org/jaegeuk/f2fs/c/b9b036bd1e2c

You are awesome, thank you!
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