* [PATCH] xfs: Improve CONFIG_XFS_RT Kconfig help
@ 2025-10-13 3:08 Damien Le Moal
2025-10-21 9:37 ` Carlos Maiolino
0 siblings, 1 reply; 5+ messages in thread
From: Damien Le Moal @ 2025-10-13 3:08 UTC (permalink / raw)
To: linux-xfs, Carlos Maiolino
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@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
---
fs/xfs/Kconfig | 9 +++++++++
1 file changed, 9 insertions(+)
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
--
2.51.0
^ permalink raw reply related [flat|nested] 5+ messages in thread
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* [PATCH] xfs: Improve CONFIG_XFS_RT Kconfig help
@ 2025-08-07 5:56 ` Damien Le Moal
2025-08-11 10:44 ` Christoph Hellwig
2025-08-11 12:07 ` Carlos Maiolino
0 siblings, 2 replies; 5+ messages in thread
From: Damien Le Moal @ 2025-08-07 5:56 UTC (permalink / raw)
To: Carlos Maiolino, linux-xfs; +Cc: Christoph Hellwig
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@kernel.org>
---
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.
config XFS_DRAIN_INTENTS
--
2.50.1
^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH] xfs: Improve CONFIG_XFS_RT Kconfig help
2025-08-07 5:56 ` Damien Le Moal
@ 2025-08-11 10:44 ` Christoph Hellwig
2025-08-11 12:07 ` Carlos Maiolino
1 sibling, 0 replies; 5+ messages in thread
From: Christoph Hellwig @ 2025-08-11 10:44 UTC (permalink / raw)
To: Damien Le Moal; +Cc: Carlos Maiolino, linux-xfs, Christoph Hellwig
On Thu, Aug 07, 2025 at 02:56:30PM +0900, Damien Le Moal wrote:
> + 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.
Looks good:
Reviewed-by: Christoph Hellwig <hch@lst.de>
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH] xfs: Improve CONFIG_XFS_RT Kconfig help
2025-08-07 5:56 ` Damien Le Moal
2025-08-11 10:44 ` Christoph Hellwig
@ 2025-08-11 12:07 ` Carlos Maiolino
1 sibling, 0 replies; 5+ messages in thread
From: Carlos Maiolino @ 2025-08-11 12:07 UTC (permalink / raw)
To: Damien Le Moal; +Cc: linux-xfs, Christoph Hellwig
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@kernel.org>
> ---
> 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@redhat.com>
>
> config XFS_DRAIN_INTENTS
> --
> 2.50.1
>
>
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2025-10-21 9:37 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
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2025-10-13 3:08 [PATCH] xfs: Improve CONFIG_XFS_RT Kconfig help Damien Le Moal
2025-10-21 9:37 ` Carlos Maiolino
[not found] <kKXUIiXOoMsPMpRsmYCR1_l18oSyQGIV5yApvbbZS23U9u_Tz1D3npu22B_aOWZplsFFJ_Bl_UmoTmTLGm90Fg==@protonmail.internalid>
2025-08-07 5:56 ` Damien Le Moal
2025-08-11 10:44 ` Christoph Hellwig
2025-08-11 12:07 ` Carlos Maiolino
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