Date: Thu, 23 Jan 2020 06:18:08 +0000 (UTC) From: Kirk McKusick <mckusick@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r357032 - stable/11/sys/kern Message-ID: <202001230618.00N6I80e008564@repo.freebsd.org>
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Author: mckusick Date: Thu Jan 23 06:18:08 2020 New Revision: 357032 URL: https://svnweb.freebsd.org/changeset/base/357032 Log: MFC of 356763 Remove call to VFS_SYNC() to avoid unmount livelock Modified: stable/11/sys/kern/vfs_mount.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/kern/vfs_mount.c ============================================================================== --- stable/11/sys/kern/vfs_mount.c Thu Jan 23 06:11:25 2020 (r357031) +++ stable/11/sys/kern/vfs_mount.c Thu Jan 23 06:18:08 2020 (r357032) @@ -1435,9 +1435,7 @@ dounmount(struct mount *mp, int flags, struct thread * } vput(fsrootvp); } - if ((mp->mnt_flag & MNT_RDONLY) != 0 || (flags & MNT_FORCE) != 0 || - (error = VFS_SYNC(mp, MNT_WAIT)) == 0) - error = VFS_UNMOUNT(mp, flags); + error = VFS_UNMOUNT(mp, flags); vn_finished_write(mp); /* * If we failed to flush the dirty blocks for this mount point,
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