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Subject[PATCH 10/11] fuse: Allow user namespace mounts
Date
From: Seth Forshee <seth.forshee@canonical.com>

To be able to mount fuse from non-init user namespaces, it's necessary
to set FS_USERNS_MOUNT flag to fs_flags.

Patch v4 is available: https://patchwork.kernel.org/patch/8944681/

Cc: linux-fsdevel@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
[dongsu: add a simple commit messasge]
Signed-off-by: Dongsu Park <dongsu@kinvolk.io>
---
fs/fuse/inode.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 7f6b2e55..8c98edee 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -1212,7 +1212,7 @@ static void fuse_kill_sb_anon(struct super_block *sb)
static struct file_system_type fuse_fs_type = {
.owner = THIS_MODULE,
.name = "fuse",
- .fs_flags = FS_HAS_SUBTYPE,
+ .fs_flags = FS_HAS_SUBTYPE | FS_USERNS_MOUNT,
.mount = fuse_mount,
.kill_sb = fuse_kill_sb_anon,
};
@@ -1244,7 +1244,7 @@ static struct file_system_type fuseblk_fs_type = {
.name = "fuseblk",
.mount = fuse_mount_blk,
.kill_sb = fuse_kill_sb_blk,
- .fs_flags = FS_REQUIRES_DEV | FS_HAS_SUBTYPE,
+ .fs_flags = FS_REQUIRES_DEV | FS_HAS_SUBTYPE | FS_USERNS_MOUNT,
};
MODULE_ALIAS_FS("fuseblk");

--
2.13.6
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