This can avoid bio splits due to different op_flags. Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx> --- fs/f2fs/data.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 7c8e219..c7c2022 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -267,6 +267,11 @@ void f2fs_submit_page_mbio(struct f2fs_io_info *fio) down_write(&io->io_rwsem); + /* WRITE can be merged into previous WRITE_SYNC */ + if (io->bio && io->last_block_in_bio == fio->new_blkaddr - 1 && + io->fio.op == fio->op && io->fio.op_flags == WRITE_SYNC) + fio->op_flags = WRITE_SYNC; + if (io->bio && (io->last_block_in_bio != fio->new_blkaddr - 1 || (io->fio.op != fio->op || io->fio.op_flags != fio->op_flags))) __submit_merged_bio(io); -- 2.8.3 -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
