Test that xattrs are not lost after calling fsync multiple times
with a filesystem commit in between the fsync calls.
This test is motivated by a bug found in btrfs which is fixed by a
patch for the linux kernel titled:
Btrfs: fix xattr loss after power failure
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
Filipe Manana