On Wed 11-05-11 01:29:28, OGAWA Hirofumi wrote: > Jan Kara <jack@xxxxxxx> writes: > > > On Wed 11-05-11 00:24:58, OGAWA Hirofumi wrote: > >> Jan Kara <jack@xxxxxxx> writes: > >> > >> >> Isn't it reallocated blocks too, and metadata too? > >> > Reallocated blocks - not really. For a block to be freed it cannot be > >> > under writeback and when it's freed no writeback is started. > >> > >> Sure for data -> data reallocated case. metadata -> data/metadata is > >> still there. > > Unless you properly use bforget() (which you should I think). But I have > > not really checked this in detail for a while. > > bforget() doesn't wait IO, right? Right, my fault. Sorry. So you were right, reallocated blocks will be hit as well. Honza -- Jan Kara <jack@xxxxxxx> SUSE Labs, CR -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>