[PATCH 6.6 126/301] vboxsf: explicitly deny setlease attempts

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6.6-stable review patch.  If anyone has any objections, please let me know.


From: Jeff Layton <jlayton@xxxxxxxxxx>

[ Upstream commit 1ece2c43b88660ddbdf8ecb772e9c41ed9cda3dd ]

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

Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20240319-setlease-v1-1-5997d67e04b3@xxxxxxxxxx
Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx>
Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
 fs/vboxsf/file.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/vboxsf/file.c b/fs/vboxsf/file.c
index 2307f8037efc3..118dedef8ebe8 100644
--- 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 = {

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