On 2020/7/29 15:02, Jaegeuk Kim wrote:
f2fs_write_data_pages(quota_mapping) __f2fs_write_data_pages f2fs_write_checkpoint * blk_start_plug(&plug); * add bio in write_io[DATA] - block_operations - skip syncing quota by >DEFAULT_RETRY_QUOTA_FLUSH_COUNT - down_write(&sbi->node_write);
f2fs_flush_merged_writes() will be called after block_operations(), why this doesn't help?
- f2fs_write_single_data_page - f2fs_do_write_data_page - f2fs_outplace_write_data - do_write_page - f2fs_allocate_data_block - down_write(node_write) - f2fs_wait_on_all_pages(F2FS_WB_CP_DATA); Signed-off-by: Daeho Jeong <daehoje...@google.com> Signed-off-by: Jaegeuk Kim <jaeg...@kernel.org> --- fs/f2fs/checkpoint.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index 8c782d3f324f0..99c8061da55b9 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -1269,6 +1269,8 @@ void f2fs_wait_on_all_pages(struct f2fs_sb_info *sbi, int type) if (type == F2FS_DIRTY_META) f2fs_sync_meta_pages(sbi, META, LONG_MAX, FS_CP_META_IO); + else if (type == F2FS_WB_CP_DATA) + f2fs_submit_merged_write(sbi, DATA); io_schedule_timeout(DEFAULT_IO_TIMEOUT); } finish_wait(&sbi->cp_wait, &wait);