Fixes problems that occurred when a file was removed and a directory

created with the same name, and vice versa:
- Immediately recycle vnodes of files & directories that have been deleted
or renamed.
- When looking an entry in the VFS name cache or smbfs's private
cache, make sure the vnode type is consistent with the type of file
the server thinks it is, and re-create the vnode if it isn't.

The alternative to this is to recycle vnodes unconditionally when their
use count drops to 0, but this would make all the caching we do
mostly useless.

PR:		62342
MFC after:	2 weeks

1 files changed, 1 insertions, 0 deletions

diff --git a/sys/fs/smbfs/smbfs_node.h b/sys/fs/smbfs/smbfs_node.h
index 884831c..7a8d545 100644
--- a/sys/fs/smbfs/smbfs_node.h
+++ b/sys/fs/smbfs/smbfs_node.h
@@ -44,6 +44,7 @@
 #define	NREFPARENT		0x0010	/* node holds parent from recycling */
 #define	NFLUSHWIRE		0x1000	/* pending flush request */
 #define	NOPEN			0x2000	/* file is open */
+#define	NGONE			0x4000	/* file has been removed/renamed */
 
 struct smbfs_fctx;