Re: [f2fs-dev] [PATCH v2] f2fs: optimize f2fs_overwrite_io() for f2fs_iomap_begin

[patchwork-bot+f2fs@kernel.org]

Hello:

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

On Thu, 22 Jan 2026 19:45:27 +0900 you wrote:
> When overwriting already allocated blocks, f2fs_iomap_begin() calls
> f2fs_overwrite_io() to check block mappings. However,
> f2fs_overwrite_io() iterates through all mapped blocks in the range,
> which can be inefficient for fragmented files with large I/O requests.
> 
> This patch optimizes f2fs_overwrite_io() by adding a 'check_first'
> parameter and introducing __f2fs_overwrite_io() helper. When called from
> f2fs_iomap_begin(), we only check the first mapping to determine if the
> range is already allocated, which is sufficient for setting
> map.m_may_create.
> 
> [...]

Here is the summary with links:
  - [f2fs-dev,v2] f2fs: optimize f2fs_overwrite_io() for f2fs_iomap_begin
    https://git.kernel.org/jaegeuk/f2fs/c/d860974a7e38

You are awesome, thank you!
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