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Allow calls to vm_pager_haspages with the object read locked
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Authored by jeff on Aug 18 2019, 8:44 AM.
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Summary

Only the vnode pager required the exclusive lock and only because it wanted to drop and reacquire. I added macros to automate this which will likely be useful elsewhere as we do more read locking of objects.

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rS FreeBSD src repository - subversion
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jeff retitled this revision from Allow read locked objects to call has_pages to Allow calls to vm_pager_haspages with the object read locked.Aug 18 2019, 8:46 AM
jeff edited the summary of this revision. (Show Details)
jeff added reviewers: kib, markj.
This revision is now accepted and ready to land.Aug 19 2019, 4:02 PM