K 10
svn:author
V 4
jeff
K 8
svn:date
V 27
2020-01-19T23:47:32.396343Z
K 7
svn:log
V 385
Don't hold the object lock while calling getpages.

The vnode pager does not want the object lock held.  Moving this out allows
further object lock scope reduction in callers.  While here add some missing
paging in progress calls and an assert.  The object handle is now protected
explicitly with pip.

Reviewed by:	kib, markj
Differential Revision:	https://reviews.freebsd.org/D23033

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