Hello:
This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim <jaeg...@kernel.org>:
On Wed, 12 Mar 2025 17:01:25 +0800 you wrote:
> If checkpoint is disabled, GC can not reclaim any segments, we need
> to detect such condition and bail out from fallocate() of a pinfile,
> rather than letting allocator running out of free segment, which may
> cause f2fs to be shutdown.
>
> reproducer:
> mkfs.f2fs -f /dev/vda 16777216
> mount -o checkpoint=disable:10% /dev/vda /mnt/f2fs
> for ((i=0;i<4096;i++)) do { dd if=/dev/zero of=/mnt/f2fs/$i bs=1M count=1; }
> done
> sync
> for ((i=0;i<4096;i+=2)) do { rm /mnt/f2fs/$i; } done
> sync
> touch /mnt/f2fs/pinfile
> f2fs_io pinfile set /mnt/f2fs/pinfile
> f2fs_io fallocate 0 0 4201644032 /mnt/f2fs/pinfile
>
> [...]
Here is the summary with links:
- [f2fs-dev] f2fs: fix to avoid running out of free segments
https://git.kernel.org/jaegeuk/f2fs/c/f7f8932ca6bb
You are awesome, thank you!
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