Messages in this thread | | | Date | Fri, 28 May 2004 12:06:30 -0700 | From | Todd Poynor <> | Subject | Re: [BusyBox] Re: [PATCH] BLKFLSBUF on ramdisks |
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Bill C. Riemers wrote: > Does this problem also effect the 2.4 kernels? > > I'm just wondering, because it sounds like a possible explination for > strange errors occurring with /dev/cobd? in coLinux, especially when used as > swap devices. Basically /dev/cobd? are simmular to ramdisks, but they > refere to files mmap'ed under Windows. They work fairly reliable, until > someone does something like "swapoff -a;swapon -a". However, coLinux is > only used with 2.4 kernels, so if the problem does not effect 2.4 kernels, > then this is not the cause.
Yes, Matt Porter previously determined that this behavior changed sometime after 2.4.2 and on or before 2.4.17, when rd.c was modified to perform a truncate_inode_pages() for BLKFLSBUF (could track down the date/revision more accurately if you're interested).
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