f2fs: return immediately after submitting the specified folio in __submit_merged_write_cond

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f2fs_folio_wait_writeback ensures the folio write is submitted to the
block layer via __submit_merged_write_cond, then waits for the folio to
complete. Other I/O submissions are irrelevant to
f2fs_folio_wait_writeback. Thus, if the folio write bio is already
submitted, the function can return immediately. This patch adds a
writeback parameter to __submit_merged_write_cond(), which signals an
immediate return after submitting the target folio, and waitting
writeback can use this parameter.

Signed-off-by: Yongpeng Yang <yangyongpeng@xiaomi.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

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Yongpeng Yang 2025-12-27 17:46:10 +08:00 • committed by Jaegeuk Kim

parent 86c1cf0578

commit db1a8a7813

3 changed files with 21 additions and 5 deletions

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22

fs/f2fs/data.c

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2

fs/f2fs/f2fs.h

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2

fs/f2fs/segment.c

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