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mount_nfs: update man page description for oneopenown

Description

mount_nfs: update man page description for oneopenown

A recent email discussion indicated that a large
accumulation of NFSv4 Opens was occurring on
a mount. This appears to have been caused by a
shared library within the mount being used by
several processes, such that there is always at
least one of these processes running.
A new Open was created by each process and
were not closed, since all the Opens were never
closed. This is alleviated by using the
"oneopenown" mount option.

This man page update attempts to indicate the
use of "oneopenown" for this case.

This is a content change.

Reported by: j.david.lists@gmail.com
Reviewed by: 0mp
MFC: 1 month
Differential Revision: https://reviews.freebsd.org/D28215

Details

Provenance
rmacklemAuthored on Jan 18 2021, 3:00 AM
Reviewer
0mp
Differential Revision
D28215: update mount_nfs(8) man page for uses of the oneopenown option
Parents
R10:25c2c952e3f6: jail: Add proper prison locking in mqfs_prison_remove.
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