"Darrick J. Wong" <darrick.wong@xxxxxxxxxx> writes: > On Fri, Dec 28, 2012 at 06:48:35AM +0900, OGAWA Hirofumi wrote: >> "Darrick J. Wong" <darrick.wong@xxxxxxxxxx> writes: >> >> >> I think this flag should be separated into "FS provide stable page" and >> >> "FS needs bounce buffer for stable page". >> >> >> >> My fs (I guess btrfs also) provides stable page by better way, and >> >> doesn't need to wait writeback flags too. What needs is just to avoid >> >> those stable page stuff. >> > >> > How does your fs (are we talking about vfat?) provide stable pages? >> >> Basically it copies the data to another page before modifying data only >> if page has writeback flag. (this is about new fs under development stage.) > > Aha, we're talking about tux3. Since (afaik) there aren't any other > filesystems requesting this flag and tux3 uses the device bdi, should I just > create a patch and send it to you so it'll be included when tux3 goes in? If core doesn't provide, no need to waste your time. I will. Thanks. -- OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
