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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