On 0711T1121, Konstantin Belousov wrote: > Author: kib > Date: Sat Jul 11 11:21:56 2015 > New Revision: 285384 > URL: https://svnweb.freebsd.org/changeset/base/285384 > > Log: > Do not allow creation of the dirty buffers for the dead buffer > objects, i.e. for buffer objects which vnode was reclaimed. Buffer > cache cannot write such buffers. Return the error and discard the > buffer immediately on write attempt. > > BO_DIRTY now always set during vnode reclamation, since it is used not > only for the INVARIANTS checks. Do allow placement of the clean > buffers on dead bufobj list, otherwise filesystems cannot use bufcache > at all after the devvp reclaim.
Note that it also fixes the "dead bo" panic that happens eg after yanking a mounted flash drive. _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
