On Fri, May 18, 2001 at 02:01:15AM -0300, Peter Cordes wrote: > On Thu, May 17, 2001 at 04:39:49AM -0800, Ethan Benson wrote: > > for example when you upgrade libc every bash process must be killed > > before remounting of /usr is possible since it mmaps some locale file > > (IME anyway). > > (Almost) everything mmap()s /lib/libc.so.6. That's probably more important this is true, but not relevant to remounting /usr since /lib/libc is not in /usr ;-) > if even read-only mappings of deleted files prevent remounting ro. (this > requirement makes sense, because you have to leave the FS with the file > deleted and the blocks freed, so nothing would be left to back the mapping. > The only way to support this would be ugly hacks, I think.) just `grep deleted /proc/*/maps' after upgrading libc sometime ;-) -- Ethan Benson http://www.alaska.net/~erbenson/
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