cvs commit: src/sys/fs/msdosfs msdosfs_lookup.c
das at FreeBSD.ORG
Sun Apr 17 00:08:58 PDT 2005
On Sun, Apr 17, 2005, Jeff Roberson wrote:
> On Sat, 16 Apr 2005, David Schultz wrote:
> > das 2005-04-16 23:47:19 UTC
> > FreeBSD src repository
> > Modified files:
> > sys/fs/msdosfs msdosfs_lookup.c
> > Log:
> > Disable negative name caching for msdosfs to work around a bug.
> > Since the name cache is case-sensitive and msdosfs isn't,
> > creating a file 'foo' won't invalidate a negative entry for 'FOO'.
> > There are similar problems related to 8.3 filenames.
> > A better solution is to override VOP_LOOKUP with a method that
> > canonicalizes the name, then calls vfs_cache_lookup(). Unfortunately,
> > it's not quite that simple because vfs_cache_lookup() will call
> > msdosfs_lookup() on a cache miss, and msdosfs_lookup() needs a way to
> > get at the original component name.
> Use cache_lookup() directly rather than vfs_cache_lookup. It won't try to
> call VOP_CACHEDLOOKUP.
Yeah thanks, I remembered that after this commit---see the sketch
of a complete solution in my email to Mike.
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