On Mon, Aug 21, 2017 at 03:49:59PM -0600, Liu Bo wrote: > We have started plug in btrfs_write_and_wait_marked_extents() but the > generated IOs actually go to device's schedule IO list where the work > is doing in another task, thus the started plug doesn't make any > sense. > > And since we wait for IOs immediately after writing meta blocks, it's > the same case as writing log tree, doing sync submit can merge more > IOs. > > Signed-off-by: Liu Bo <bo.li.liu@xxxxxxxxxx> Reviewed-by: David Sterba <dsterba@xxxxxxxx> The original patch c6adc9cc082e3 adds too many randomly scattered blg_plugs that, we could use some high-level comments about the purpose. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
