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vboxsf: explicitly deny setlease attempts

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BugLink: https://bugs.launchpad.net/bugs/2070349

[ 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
vboxsf.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Link: https://lore.kernel.org/r/20240319-setlease-v1-1-5997d67e04b3@kernel.org
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Manuel Diewald <manuel.diewald@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
This commit is contained in:
Jeff Layton
2024-03-19 12:32:04 -04:00
committed by Stefan Bader
parent cc50241767
commit 35eb159be6
1 changed files with 1 additions and 0 deletions
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fs/vboxsf/file.c
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@@ -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 = {