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fuse: Remove the control interface for virtio-fs

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[ Upstream commit c64797809a ]

The commit 15c8e72e88 ("fuse: allow skipping control interface and forced
unmount") tries to remove the control interface for virtio-fs since it does
not support aborting requests which are being processed. But it doesn't
work now.

This patch fixes it by skipping creating the control interface if
fuse_conn->no_control is set.

Fixes: 15c8e72e88 ("fuse: allow skipping control interface and forced unmount")
Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Xie Yongji 2022-07-18 16:50:12 +08:00 • committed by Greg Kroah-Hartman
commit 92644d505b
1 changed files with 2 additions and 2 deletions
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4
fs/fuse/control.c
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@ -275,7 +275,7 @@ int fuse_ctl_add_conn(struct fuse_conn *fc)
struct dentry *parent;
char name[32];
if (!fuse_control_sb)
if (!fuse_control_sb || fc->no_control)
return 0;
parent = fuse_control_sb->s_root;
@ -313,7 +313,7 @@ void fuse_ctl_remove_conn(struct fuse_conn *fc)
{
int i;
if (!fuse_control_sb)
if (!fuse_control_sb || fc->no_control)
return;
for (i = fc->ctl_ndents - 1; i >= 0; i--) {