Re: [f2fs-dev] [PATCH v4] f2fs: modify f2fs_is_checkpoint_ready logic to allow more data to be written with the CP disable

[patchwork-bot+f2fs--- via Linux-f2fs-devel <linux-f2fs-devel@lists.sourceforge.net>]

Hello:

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

On Fri, 25 Oct 2024 03:18:23 -0600 you wrote:
> When the free segment is used up during CP disable, many write or
> ioctl operations will get ENOSPC error codes, even if there are
> still many blocks available. We can reproduce it in the following
> steps:
> 
> dd if=/dev/zero of=f2fs.img bs=1M count=65
> mkfs.f2fs -f f2fs.img
> mount f2fs.img f2fs_dir -o checkpoint=disable:10%
> cd f2fs_dir
> i=1 ; while [[ $i -lt 50 ]] ; do (file_name=./2M_file$i ; dd \
> if=/dev/random of=$file_name bs=1M count=2); i=$((i+1)); done
> sync
> i=1 ; while [[ $i -lt 50 ]] ; do (file_name=./2M_file$i ; truncate \
> -s 1K $file_name); i=$((i+1)); done
> sync
> dd if=/dev/zero of=./file bs=1M count=20
> 
> [...]

Here is the summary with links:
  - [f2fs-dev,v4] f2fs: modify f2fs_is_checkpoint_ready logic to allow more data to be written with the CP disable
    https://git.kernel.org/jaegeuk/f2fs/c/84b5bb8bf0f6

You are awesome, thank you!
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