Kris Kennaway 3554cddbfa Reflect mpsafety of the underlying filesystem in the nullfs image. ...

I benchmarked this by simultaneously extracting 4 large tarballs (basically
world images) on a 4-processor AMD64 system, in a malloc-backed md.

With this patch, system time was reduced by 43%, and wall clock time by 33%.

Submitted by:	jeff
MFC after: 	1 week

2005-10-16 21:45:25 +00:00

..

null_subr.c

- Clear VI_OWEINACT before calling vget() with no lock type. We know

2005-04-11 11:17:20 +00:00

null_vfsops.c

Reflect mpsafety of the underlying filesystem in the nullfs image.

2005-10-16 21:45:25 +00:00

null_vnops.c

Handle a race condition where NULLFS vnode can be cleaned while threads

2005-09-15 19:21:26 +00:00

null.h

- Assume that all lower filesystems now support proper locking. Assert

2005-03-15 13:49:33 +00:00