cvs commit: src/sys/fs/msdosfs msdosfs_lookup.c

Mike Silbersack silby at
Sat Apr 16 17:58:56 PDT 2005

I just wrote up a regression test for this, and discovered that it's still 
broken.  :(

Mike "Silby" Silbersack

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.
>  Revision  Changes    Path
>  1.46      +7 -0      src/sys/fs/msdosfs/msdosfs_lookup.c

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