[vdr] [PATCH] UnbufferedFile improvements v2

Jon Burgess jburgess at uklinux.net
Mon Nov 21 20:45:18 CET 2005

Ralf Müller wrote:
> On Montag 21 November 2005 02:15, Artur Skawina wrote:
>>Are saying you don't get any writeback activity w/ my patch?
> Correct. It starts writing back when memory is filled. Not a single 
> second earlier.

Under normal default circumstances, all dirty data should be synced to 
disk within 30 seconds.

This reminds me of a recent LKML thread. It noted that under some 
circumstances the kernel seems to forget to flush the dirty data. It 
didn't come to any particular conclusion but maybe there is a problem in 
the kernel. It might be an interesting read for you...



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