* [PATCH AUTOSEL 6.8 13/15] vboxsf: explicitly deny setlease attempts
[not found] <20240415100311.3126785-1-sashal@kernel.org>
@ 2024-04-15 10:02 ` Sasha Levin
0 siblings, 0 replies; only message in thread
From: Sasha Levin @ 2024-04-15 10:02 UTC (permalink / raw)
To: linux-kernel, stable
Cc: Jeff Layton, Hans de Goede, Sasha Levin, linux-fsdevel
From: Jeff Layton <jlayton@kernel.org>
[ 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>
---
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 = {
--
2.43.0
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2024-04-15 10:02 ` [PATCH AUTOSEL 6.8 13/15] vboxsf: explicitly deny setlease attempts Sasha Levin
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