Re: Syncing single filesystem (slow USB writing)

2005-07-29 Thread Chris Wedgwood
On Fri, Jul 29, 2005 at 07:31:20AM +0400, Andrey Borzenkov wrote: > Mandrake always mounted USB sticks with sync option; it was > effectively noop except for a patch that implemented limited dsync > semantic. fwiw; various people have reported using flash block devices with 'sync' ruins them as t

Re: Syncing single filesystem (slow USB writing)

2005-07-29 Thread Andrew Morton
Andrey Borzenkov <[EMAIL PROTECTED]> wrote: > > On Friday 29 July 2005 15:20, Andrew Morton wrote: > > Andrey Borzenkov <[EMAIL PROTECTED]> wrote: > > > On Friday 29 July 2005 07:50, Andrew Morton wrote: > > > > > One idea how to improve situation - continue to mount with dsync > > > > > (having ba

Re: Syncing single filesystem (slow USB writing)

2005-07-29 Thread Andrey Borzenkov
On Friday 29 July 2005 15:20, Andrew Morton wrote: > Andrey Borzenkov <[EMAIL PROTECTED]> wrote: > > On Friday 29 July 2005 07:50, Andrew Morton wrote: > > > > One idea how to improve situation - continue to mount with dsync > > > > (having basically old case) and do frequent sync of filesystem (th

Re: Syncing single filesystem (slow USB writing)

2005-07-29 Thread Andrew Morton
Andrey Borzenkov <[EMAIL PROTECTED]> wrote: > > On Friday 29 July 2005 07:50, Andrew Morton wrote: > > > One idea how to improve situation - continue to mount with dsync (having > > > basically old case) and do frequent sync of filesystem (this culd be > > > started as HAL callout or whatever). Unf

Re: Syncing single filesystem (slow USB writing)

2005-07-29 Thread Andrey Borzenkov
On Friday 29 July 2005 07:50, Andrew Morton wrote: > > One idea how to improve situation - continue to mount with dsync (having > > basically old case) and do frequent sync of filesystem (this culd be > > started as HAL callout or whatever). Unfortunately, I could not find a > > way to request a sy

Re: Syncing single filesystem (slow USB writing)

2005-07-29 Thread Jan Engelhardt
>Now, when full sync support for FATis in kernel, moutning with sync became >real pain. Writing speed dropped from 3MB/s to 30KB/s in my case (and I am >not alone). Interesting. I mount all my USB drives and players with async option - and they do use vfat. There is no problem on unmount, they

Re: Syncing single filesystem (slow USB writing)

2005-07-28 Thread Andrey Borzenkov
On Friday 29 July 2005 07:50, Andrew Morton wrote: > Andrey Borzenkov <[EMAIL PROTECTED]> wrote: > > Mandrake always mounted USB sticks with sync option; it was effectively > > noop except for a patch that implemented limited dsync semantic. > > > > Now, when full sync support for FATis in kernel,

Re: Syncing single filesystem (slow USB writing)

2005-07-28 Thread Andrew Morton
Andrey Borzenkov <[EMAIL PROTECTED]> wrote: > > Mandrake always mounted USB sticks with sync option; it was effectively noop > except for a patch that implemented limited dsync semantic. > > Now, when full sync support for FATis in kernel, moutning with sync became > real pain. Writing speed dro