Re: [PATCH v4 2/5] fuse: Call vfs_get_tree() for submounts

2021-05-22 Thread kernel test robot
Hi Greg, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on fuse/for-next] [also build test WARNING on linux/master linus/master v5.13-rc2 next-20210521] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest t

Re: [PATCH v4 2/5] fuse: Call vfs_get_tree() for submounts

2021-05-22 Thread kernel test robot
Hi Greg, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on fuse/for-next] [also build test WARNING on linux/master linus/master v5.13-rc2 next-20210521] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest t

Re: [PATCH v4 2/5] fuse: Call vfs_get_tree() for submounts

2021-05-21 Thread Greg Kurz
On Fri, 21 May 2021 10:19:48 +0200 Miklos Szeredi wrote: > On Thu, May 20, 2021 at 05:46:51PM +0200, Greg Kurz wrote: > > We don't set the SB_BORN flag on submounts superblocks. This is wrong > > as these superblocks are then considered as partially constructed or > > dying in the rest of the cod

[PATCH v4 2/5] fuse: Call vfs_get_tree() for submounts

2021-05-20 Thread Greg Kurz
We don't set the SB_BORN flag on submounts superblocks. This is wrong as these superblocks are then considered as partially constructed or dying in the rest of the code and can break some assumptions. One such case is when you have a virtiofs filesystem and you try to mount it again : virtio_fs_ge