From: Damien Le Moal Date: Mon, 13 Oct 2025 03:08:29 +0000 (+0900) Subject: xfs: Improve CONFIG_XFS_RT Kconfig help X-Git-Tag: v6.18-rc3~13^2~9 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=914f377075d646b4695a7868ba090f4c714dfd4b;p=thirdparty%2Flinux.git xfs: Improve CONFIG_XFS_RT Kconfig help 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 Reviewed-by: Christoph Hellwig Reviewed-by: Carlos Maiolino Signed-off-by: Carlos Maiolino --- diff --git a/fs/xfs/Kconfig b/fs/xfs/Kconfig index 8930d5254e1d..d66d517c99a9 100644 --- a/fs/xfs/Kconfig +++ b/fs/xfs/Kconfig @@ -119,6 +119,15 @@ 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. config XFS_DRAIN_INTENTS