Re: [PATCH] ksmbd: set create_time to btime in ksmbd_vfs_fill_dentry_attrs()

[Ian Bridges]

Hi,

On Tue, Nov 10, 2026 at 05:16:59PM +0100, koraynilay wrote:
> ksmbd_vfs_fill_dentry_attrs() queries vfs_getattr() with STATX_BTIME,
> but discards ksmbd_kstat->kstat->btime and unconditionally initializes
> ksmbd_kstat->create_time to ksmbd_kstat->kstat->ctime.

I tested this on a kernel whose fs/smb/server matches ksmbd-for-next,
with files and a directory created on the server, so without the DOS
attribute xattr. Before the patch, a directory listing reported their
ctime as the creation time, while a query on the open file reported
the btime. With the patch, both report the btime. A file created over
SMB keeps its stored creation time in both. smbtorture gives the same
results as without the patch, and KASAN reports nothing.

Reviewed-by: Ian Bridges <icb@xxxxxxxxxxxx>
Tested-by: Ian Bridges <icb@xxxxxxxxxxxx>