Messages in this thread | | | Subject | Re: Swap | From | Trond Myklebust <> | Date | 21 Nov 2001 00:17:44 +0100 |
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>>>>> " " == Dan Maas <dmaas@dcine.com> writes:
> But NFS still allows atomic rename() right? Isn't it considered > essential to write the new executable or library under a > different name, and then atomically rename() over the old one? > If you write() directly into the executable, you will get what > you deserve...
Atomic rename works fine, on NFS, so if you just rename the old library, you're quite safe. The bugs start to surface if you:
a) Reuse the the old library's inode by doing something along the lines of open("lib.so",O_TRUNC|O_WRONLY). or b) erase the old library.
Cheers, Trond - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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