On Mon, Dec 23, 2019 at 06:21:39PM +0800, Yang Xu wrote: > When I test this case on xfs, it may fail as below: > -------------------------------------------- > === link SCRATCH_MNT/A/foo SCRATCH_MNT/bar with fsync SCRATCH_MNT/A === > +umount: /mnt/xfstests/scratch: target is busy. > + (In some cases useful info about processes that use > + the device is found by lsof(8) or fuser(1)) > --------------------------------------------- > > It fails because somethings is still using the fs when we call sync and then > try to unmount it. We can simply remove sync as the unmount is supposed to > persist the file/directory removals. /me continues to wonder why the target is busy in this case, but as the sync truly isn't necessary: Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> --D > Signed-off-by: Yang Xu <xuyang2018.jy@xxxxxxxxxxxxxx> > --- > tests/generic/520 | 1 - > 1 file changed, 1 deletion(-) > > diff --git a/tests/generic/520 b/tests/generic/520 > index 167d7077..d4457370 100755 > --- a/tests/generic/520 > +++ b/tests/generic/520 > @@ -58,7 +58,6 @@ clean_dir() > { > _mount_flakey > rm -rf $(find $SCRATCH_MNT/* | grep -v "lost+found") > - sync > _unmount_flakey > } > > -- > 2.18.0 > > >