Kirk McKusick 1faacf5d09 Keep track of the mount point associated with a special device ... to enable the collection of counts of synchronous and asynchronous reads and writes for its associated filesystem. The counts are displayed using `mount -v'. Ensure that buffers used for paging indicate the vnode from which they are operating so that counts of paging I/O operations from the filesystem are collected. This checkin only adds the setting of the mount point for the UFS/FFS filesystem, but it would be trivial to add the setting and clearing of the mount point at filesystem mount/unmount time for other filesystems too. Reviewed by: kib		2012-03-28 20:49:11 +00:00
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ffs	Keep track of the mount point associated with a special device	2012-03-28 20:49:11 +00:00
ufs	Microoptimize: in qsync loop over mount vnodes, only unlock mount	2012-03-28 13:56:18 +00:00