K 10
svn:author
V 3
mjg
K 8
svn:date
V 27
2020-07-11T21:57:03.446660Z
K 7
svn:log
V 253
fd: stop looping in pwd_hold

We don't expect to fail acquiring the reference unless running into a corner
case. Just in case ensure forward progress by taking the lock.

Reviewed by:	kib, markj
Differential Revision: https://reviews.freebsd.org/D25616

END