K 10
svn:author
V 3
mjg
K 8
svn:date
V 27
2020-01-07T15:44:19.880833Z
K 7
svn:log
V 294
vfs: trylock in vfs_msync and refactor the func

- use LK_NOWAIT instead of calling VOP_ISLOCKED before deciding to lock
- evaluate flags before looping over vnodes

Reviewed by:	kib
Tested by:	pho (in a larger patch, previous version)
Differential Revision:	https://reviews.freebsd.org/D23035

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