Messages in this thread | | | Date | Fri, 22 Mar 1996 13:00:30 +0200 (GMT+0200) | From | Craig Schlenter <> | Subject | Re: Current Status |
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On Fri, 22 Mar 1996, Alan Cox wrote:
[stuff deleted] > As two processes - the first mmaps a data area for read then writes it to > another file. This takes page faults during the write (paging in the memory > we mmap'd). The second process does an ftruncate which revokes the memory > from under the first process mmap during a page fault: What you get therefore > is ext2fs suddenely trying to write from non existant pages and "Oops..." > messages galore as well as a mess that e2fsck moans about a fair bit > but seems to fix.
Has this been fixed in .77 or is the mmap change Linus mentioned something different ? (Linus: "- Oops. We didn't get exclusive file access for mmap page writes")
Thank you,
--Craig
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