Hello:
This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim <[email protected]>:
On Tue, 26 Mar 2024 19:28:45 +0800 you wrote:
> In below race condition, dst page may become writeback status
> in __clone_blkaddrs(), it needs to wait writeback before update,
> fix it.
>
> Thread A GC Thread
> - f2fs_move_file_range
> - filemap_write_and_wait_range(dst)
> - gc_data_segment
> - f2fs_down_write(dst)
> - move_data_page
> - set_page_writeback(dst_page)
> - f2fs_submit_page_write
> - f2fs_up_write(dst)
> - f2fs_down_write(dst)
> - __exchange_data_block
> - __clone_blkaddrs
> - f2fs_get_new_data_page
> - memcpy_page
>
> [...]
Here is the summary with links:
- [f2fs-dev] f2fs: fix to wait on page writeback in __clone_blkaddrs()
https://git.kernel.org/jaegeuk/f2fs/c/d3876e34e7e7
You are awesome, thank you!
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