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From: Goffredo Baroncelli <kreijack@libero.it>
To: linux-btrfs@vger.kernel.org
Cc: Goffredo Baroncelli <kreijack@inwind.it>
Subject: [PATCH 3/4] btrfs: export dev_item.type in /sys/fs/btrfs/<uuid>/devinfo/<devid>/type
Date: Mon, 22 Feb 2021 22:19:08 +0100
Message-ID: <58bc129a69ff0e2d1f9f047e79bfb5b404b5b1cd.1614028083.git.kreijack@inwind.it> (raw)
In-Reply-To: <cover.1614028083.git.kreijack@inwind.it>

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 6eb1c50fa98c..9b2a18911de6 100644
--- a/fs/btrfs/sysfs.c
+++ b/fs/btrfs/sysfs.c
@@ -1418,11 +1418,22 @@ 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);
-- 
2.30.0


  parent reply index

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <cover.1614028083.git.kreijack@inwind.it>
2021-02-22 21:19 ` [PATCH 1/4] btrfs: add ioctl BTRFS_IOC_DEV_PROPERTIES Goffredo Baroncelli
2021-02-23  4:28   ` kernel test robot
2021-02-23 18:03     ` Goffredo Baroncelli
2021-02-23 13:53   ` David Sterba
2021-02-23 17:59     ` Goffredo Baroncelli
2021-02-23 18:01       ` Goffredo Baroncelli
2021-02-24  2:27     ` Anand Jain
2021-02-27 15:52       ` Zygo Blaxell
2021-02-27 15:58     ` Zygo Blaxell
2021-02-22 21:19 ` [PATCH 2/4] btrfs: add flags to give an hint to the chunk allocator Goffredo Baroncelli
2021-02-22 21:19 ` Goffredo Baroncelli [this message]
2021-02-22 21:19 ` [PATCH 4/4] btrfs: add allocator_hint mode Goffredo Baroncelli

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