Date: Wed, 9 Oct 2013 18:45:02 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r256213 - head/sys/kern Message-ID: <201310091845.r99Ij2mu054153@svn.freebsd.org>
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Author: kib Date: Wed Oct 9 18:45:01 2013 New Revision: 256213 URL: http://svnweb.freebsd.org/changeset/base/256213 Log: The device vnodes are often unlocked when bread() or bwrite() is called. This probably should be fixed eventually, but for now it is not needed to try to flush such vnodes from the buffer allocation context. Reported and tested by: pho Sponsored by: The FreeBSD Foundation MFC after: 1 week Approved by: re (gjb) Modified: head/sys/kern/vfs_bio.c Modified: head/sys/kern/vfs_bio.c ============================================================================== --- head/sys/kern/vfs_bio.c Wed Oct 9 18:44:05 2013 (r256212) +++ head/sys/kern/vfs_bio.c Wed Oct 9 18:45:01 2013 (r256213) @@ -2076,7 +2076,8 @@ getnewbuf_bufd_help(struct vnode *vp, in wait = MNT_NOWAIT; mtx_lock(&nblock); while (needsbuffer & flags) { - if (vp != NULL && (td->td_pflags & TDP_BUFNEED) == 0) { + if (vp != NULL && vp->v_type != VCHR && + (td->td_pflags & TDP_BUFNEED) == 0) { mtx_unlock(&nblock); /*
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