CVS commit: src/sys/miscfs/specfs

["Taylor R Campbell" <riastradh%netbsd.org@localhost>]

Module Name:    src
Committed By:   riastradh
Date:           Mon Mar 28 12:34:59 UTC 2022

Modified Files:
        src/sys/miscfs/specfs: spec_vnops.c

Log Message:
specfs: Split spec_open switch into three sections.

The sections are now:

1. Acquire open reference.

1a (intermezzo). Set VV_ISTTY.

2. Drop the vnode lock to call .d_open and autoload modules if
   necessary.

3. Handle concurrent revoke if it happenend, or release open reference
   if .d_open failed.

No functional change.  Sprinkle comments about problems.


To generate a diff of this commit:
cvs rdiff -u -r1.189 -r1.190 src/sys/miscfs/specfs/spec_vnops.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.