On Thu, Aug 07, 2025 at 02:56:30PM +0900, Damien Le Moal wrote: > Improve the description of the XFS_RT configuration option to document > that this option is required for zoned block devices. > > Signed-off-by: Damien Le Moal <dlemoal@xxxxxxxxxx> > --- > fs/xfs/Kconfig | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/fs/xfs/Kconfig b/fs/xfs/Kconfig > index ae0ca6858496..68724dec3d19 100644 > --- a/fs/xfs/Kconfig > +++ b/fs/xfs/Kconfig > @@ -118,6 +118,15 @@ config XFS_RT > > See the xfs man page in section 5 for additional information. > > + This option is mandatory to support zoned block devices. For these > + devices, the realtime subvolume must be backed by a zoned block > + device and a regular block device used as the main device (for > + metadata). If the zoned block device is a host-managed SMR hard-disk > + containing conventional zones at the beginning of its address space, > + XFS will use the disk conventional zones as the main device and the > + remaining sequential write required zones as the backing storage for > + the realtime subvolume. > + > If unsure, say N. Looks good! Reviewed-by: Carlos Maiolino <cmaiolino@xxxxxxxxxx> > > config XFS_DRAIN_INTENTS > -- > 2.50.1 > >