On Thu, Apr 26, 2018 at 10:01:25PM +0200, Martin Pieuchot wrote: > This is the 4th attempt to implement clustering for msdosfs. See [0] > for the previous story. > > This version implements the strict necessary to read a maximum of 64k > per read. Unlike the previous version we no longer mix cluster and > block numbers. > > This speeds up msdosfs reads significantly. Regress tests are passing. > > I'd appreciate more tests and reviews.
Well, i see a 2.5x dropout in perfs.. rsyncing a 100mb dir from the same usb key: sd1 at scsibus4 targ 1 lun 0: <Kingston, DataTraveler G2, 1.00> SCSI2 0/direct removable serial.09511624F0417921125B sd1: 3689MB, 512 bytes/sector, 7555528 sectors without the diff: sent 101,634,811 bytes received 153 bytes 2,540,870.35 bytes/sec with the diff: sent 101,634,811 bytes received 153 bytes 936,727.78 bytes/sec sent 101,634,811 bytes received 153 bytes 928,173.19 bytes/sec To be analysed ... Landry
