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From:   Goffredo Baroncelli <kreijack@libero.it>
To:     linux-btrfs@vger.kernel.org
Cc:     Michael <mclaud@roznica.com.ua>, Hugo Mills <hugo@carfax.org.uk>,
        Martin Svec <martin.svec@zoner.cz>,
        Wang Yugui <wangyugui@e16-tech.com>,
        Paul Jones <paul@pauljones.id.au>,
        Adam Borowski <kilobyte@angband.pl>,
        Zygo Blaxell <ce3g8jdj@umail.furryterror.org>,
        Goffredo Baroncelli <kreijack@inwind.it>
Subject: [PATCH 3/4] Export dev_item.type in sysfs /sys/fs/btrfs/<uuid>/devinfo/<devid>/type
Date:   Thu, 28 May 2020 20:34:50 +0200
Message-Id: <20200528183451.16654-4-kreijack@libero.it>
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From: Goffredo Baroncelli <kreijack@inwind.it>

Signed-off-by: Goffredo Baroncelli <kreijack@inwind.it>

---
 fs/btrfs/sysfs.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c
index a39bff64ff24..c189fd7f9afd 100644
--- a/fs/btrfs/sysfs.c
+++ b/fs/btrfs/sysfs.c
@@ -1244,11 +1244,22 @@ static ssize_t btrfs_devinfo_writeable_show(struct kobject *kobj,
 }
 BTRFS_ATTR(devid, writeable, btrfs_devinfo_writeable_show);
 
+static ssize_t btrfs_devinfo_type_show(struct kobject *kobj,
+					    struct kobj_attribute *a, char *buf)
+{
+	struct btrfs_device *device = container_of(kobj, struct btrfs_device,
+						   devid_kobj);
+
+	return scnprintf(buf, PAGE_SIZE, "0x%08llx\n",device->type);
+}
+BTRFS_ATTR(devid, type, btrfs_devinfo_type_show);
+
 static struct attribute *devid_attrs[] = {
 	BTRFS_ATTR_PTR(devid, in_fs_metadata),
 	BTRFS_ATTR_PTR(devid, missing),
 	BTRFS_ATTR_PTR(devid, replace_target),
 	BTRFS_ATTR_PTR(devid, writeable),
+	BTRFS_ATTR_PTR(devid, type),
 	NULL
 };
 ATTRIBUTE_GROUPS(devid);
-- 
2.27.0.rc2