linux-kernel - [PATCH v8 09/11] btrfs: announce presence of raid-stripe-tree in sysfs

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Date:   Mon, 11 Sep 2023 05:52:10 -0700
From:   Johannes Thumshirn <johannes.thumshirn@....com>
To:     Chris Mason <clm@...com>, Josef Bacik <josef@...icpanda.com>,
        David Sterba <dsterba@...e.com>
Cc:     Johannes Thumshirn <johannes.thumshirn@....com>,
        Christoph Hellwig <hch@....de>,
        Naohiro Aota <naohiro.aota@....com>, Qu Wenruo <wqu@...e.com>,
        Damien Le Moal <dlemoal@...nel.org>,
        linux-btrfs@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v8 09/11] btrfs: announce presence of raid-stripe-tree in sysfs

If a filesystem with a raid-stripe-tree is mounted, show the RST feature
in sysfs.

Reviewed-by: Josef Bacik <josef@...icpanda.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@....com>
---
 fs/btrfs/sysfs.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c
index b1d1ac25237b..1bab3d7d251e 100644
--- a/fs/btrfs/sysfs.c
+++ b/fs/btrfs/sysfs.c
@@ -297,6 +297,8 @@ BTRFS_FEAT_ATTR_INCOMPAT(zoned, ZONED);
 #ifdef CONFIG_BTRFS_DEBUG
 /* Remove once support for extent tree v2 is feature complete */
 BTRFS_FEAT_ATTR_INCOMPAT(extent_tree_v2, EXTENT_TREE_V2);
+/* Remove once support for raid stripe tree is feature complete */
+BTRFS_FEAT_ATTR_INCOMPAT(raid_stripe_tree, RAID_STRIPE_TREE);
 #endif
 #ifdef CONFIG_FS_VERITY
 BTRFS_FEAT_ATTR_COMPAT_RO(verity, VERITY);
@@ -327,6 +329,7 @@ static struct attribute *btrfs_supported_feature_attrs[] = {
 #endif
 #ifdef CONFIG_BTRFS_DEBUG
 	BTRFS_FEAT_ATTR_PTR(extent_tree_v2),
+	BTRFS_FEAT_ATTR_PTR(raid_stripe_tree),
 #endif
 #ifdef CONFIG_FS_VERITY
 	BTRFS_FEAT_ATTR_PTR(verity),

-- 
2.41.0