diff options
| -rw-r--r-- | fs/fuse/fuse_i.h | 5 | ||||
| -rw-r--r-- | fs/fuse/inode.c | 16 | ||||
| -rw-r--r-- | fs/fuse/virtio_fs.c | 3 |
3 files changed, 24 insertions, 0 deletions
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index f48dd7ff32af..b5957c8274dd 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h @@ -1101,6 +1101,11 @@ int fuse_fill_super_submount(struct super_block *sb, bool fuse_mount_remove(struct fuse_mount *fm); /* + * Setup context ops for submounts + */ +int fuse_init_fs_context_submount(struct fs_context *fsc); + +/* * Shut down the connection (possibly sending DESTROY request). */ void fuse_conn_destroy(struct fuse_mount *fm); diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index 93d28dc1f572..a0a8228979a2 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -1353,6 +1353,22 @@ int fuse_fill_super_submount(struct super_block *sb, return 0; } +static int fuse_get_tree_submount(struct fs_context *fsc) +{ + return 0; +} + +static const struct fs_context_operations fuse_context_submount_ops = { + .get_tree = fuse_get_tree_submount, +}; + +int fuse_init_fs_context_submount(struct fs_context *fsc) +{ + fsc->ops = &fuse_context_submount_ops; + return 0; +} +EXPORT_SYMBOL_GPL(fuse_init_fs_context_submount); + int fuse_fill_super_common(struct super_block *sb, struct fuse_fs_context *ctx) { struct fuse_dev *fud = NULL; diff --git a/fs/fuse/virtio_fs.c b/fs/fuse/virtio_fs.c index f9809b1b82f0..8f52cdaa8445 100644 --- a/fs/fuse/virtio_fs.c +++ b/fs/fuse/virtio_fs.c @@ -1497,6 +1497,9 @@ static int virtio_fs_init_fs_context(struct fs_context *fsc) { struct fuse_fs_context *ctx; + if (fsc->purpose == FS_CONTEXT_FOR_SUBMOUNT) + return fuse_init_fs_context_submount(fsc); + ctx = kzalloc(sizeof(struct fuse_fs_context), GFP_KERNEL); if (!ctx) return -ENOMEM; |