Re: Huge ubi or ubifs sync slowdown since 2.6.32

2010-12-22 Thread Artem Bityutskiy
On Tue, 2010-12-21 at 11:36 +1300, Charles Manning wrote: Hi All I've been looking into a ubifs performance regression on linux-omap 2.6.37. My test is pretty simple, copy a 2Mbyte file and sync. # sync; date; cp 2Mbyte-file foo; sync; date On 2.6.32 and earler, the time between the

Huge ubi or ubifs sync slowdown since 2.6.32

2010-12-20 Thread Charles Manning
Hi All I've been looking into a ubifs performance regression on linux-omap 2.6.37. My test is pretty simple, copy a 2Mbyte file and sync. # sync; date; cp 2Mbyte-file foo; sync; date On 2.6.32 and earler, the time between the two dates was around 3 seconds. On linux-omap master it is around