On Thu, Mar 19, 2015 at 04:31:08PM -0400, Josef Bacik wrote: [..] > + * We log writes only after they have been flushed, this makes the log describe > + * close to the order in which the data hits the actual disk, not its cache. So > + * for example the following sequence (W means write, C means complete) > + * > + * Wa,Wb,Wc,Cc,Ca,FLUSH,FUAd,Cb,CFLUSH,CFUAd > + * > + * Would result in the log looking like this > + * > + * c,a,flush,fuad,b,<other writes>,<next flush> > + * A minor nit, Should this sequence be following. c,a,b, flush,fuad,<other writes>,<next flush> when flush completed by that time write of b has completed too. So it should be written first? Thanks Vivek -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
