vboxsf: explicitly deny setlease attempts

vboxsf does not break leases on its own, so it can't properly handle the
case where the hypervisor changes the data. Don't allow file leases on
vboxsf.

Signed-off-by: Jeff Layton <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Hans de Goede <[email protected]>
Signed-off-by: Hans de Goede <[email protected]>

diff --git a/fs/vboxsf/file.c b/fs/vboxsf/file.c
index 2307f8037efc3d3da4b6150fae4c42e125886005..118dedef8ebe8d4c8825ee1fff4e5b0a9ad9ff62 100644 (file)
--- a/fs/vboxsf/file.c
+++ b/fs/vboxsf/file.c
@@ -218,6 +218,7 @@ const struct file_operations vboxsf_reg_fops = {
        .release = vboxsf_file_release,
        .fsync = noop_fsync,
        .splice_read = filemap_splice_read,
+       .setlease = simple_nosetlease,
 };
 
 const struct inode_operations vboxsf_reg_iops = {