Date: Wed, 4 Mar 2020 19:52:00 +0000 (UTC) From: Mateusz Guzik <mjg@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r358633 - head/sys/fs/nullfs Message-ID: <202003041952.024Jq0Zq081251@repo.freebsd.org>
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Author: mjg Date: Wed Mar 4 19:52:00 2020 New Revision: 358633 URL: https://svnweb.freebsd.org/changeset/base/358633 Log: nullfs: don't pre lock exclusive in nullfs_root Reviewed by: kib Differential Revision: https://reviews.freebsd.org/D23955 Modified: head/sys/fs/nullfs/null_vfsops.c Modified: head/sys/fs/nullfs/null_vfsops.c ============================================================================== --- head/sys/fs/nullfs/null_vfsops.c Wed Mar 4 18:38:09 2020 (r358632) +++ head/sys/fs/nullfs/null_vfsops.c Wed Mar 4 19:52:00 2020 (r358633) @@ -281,13 +281,10 @@ nullfs_root(mp, flags, vpp) NULLFSDEBUG("nullfs_root(mp = %p, vp = %p)\n", mp, mntdata->nullm_lowerrootvp); - error = vget(mntdata->nullm_lowerrootvp, (flags & ~LK_TYPE_MASK) | - LK_EXCLUSIVE, curthread); + error = vget(mntdata->nullm_lowerrootvp, flags, curthread); if (error == 0) { error = null_nodeget(mp, mntdata->nullm_lowerrootvp, &vp); if (error == 0) { - if ((flags & LK_TYPE_MASK) == LK_SHARED) - vn_lock(vp, LK_DOWNGRADE | LK_RETRY); *vpp = vp; } }
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