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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 2/4] Add flags for dedicated metadata disks
Date: Thu, 28 May 2020 20:34:49 +0200	[thread overview]
Message-ID: <20200528183451.16654-3-kreijack@libero.it> (raw)
In-Reply-To: <20200528183451.16654-1-kreijack@libero.it>

From: Goffredo Baroncelli <kreijack@inwind.it>

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

---
 include/uapi/linux/btrfs_tree.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/uapi/linux/btrfs_tree.h b/include/uapi/linux/btrfs_tree.h
index 8e322e2c7e78..a45d09591db8 100644
--- a/include/uapi/linux/btrfs_tree.h
+++ b/include/uapi/linux/btrfs_tree.h
@@ -355,6 +355,9 @@ struct btrfs_key {
 	__u64 offset;
 } __attribute__ ((__packed__));
 
+/* dev_item.type */
+#define BTRFS_DEV_PREFERRED_METADATA	(1ULL << 0)
+
 struct btrfs_dev_item {
 	/* the internal btrfs device id */
 	__le64 devid;
-- 
2.27.0.rc2


  parent reply	other threads:[~2020-05-28 18:35 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-28 18:34 [RFC][PATCH V4] btrfs: preferred_metadata: preferred device for metadata Goffredo Baroncelli
2020-05-28 18:34 ` [PATCH 1/4] Add an ioctl to set/retrive the device properties Goffredo Baroncelli
2020-05-28 22:03   ` Hans van Kranenburg
2020-05-28 18:34 ` Goffredo Baroncelli [this message]
2020-05-28 18:34 ` [PATCH 3/4] Export dev_item.type in sysfs /sys/fs/btrfs/<uuid>/devinfo/<devid>/type Goffredo Baroncelli
2020-05-28 18:34 ` [PATCH 4/4] btrfs: add preferred_metadata mode Goffredo Baroncelli
2020-05-28 22:02   ` Hans van Kranenburg
2020-05-29 16:26     ` Goffredo Baroncelli
2020-05-28 21:59 ` [RFC][PATCH V4] btrfs: preferred_metadata: preferred device for metadata Hans van Kranenburg
2020-05-29 16:37   ` Goffredo Baroncelli
2020-05-30 11:44     ` Zygo Blaxell
2020-05-30 11:51       ` Goffredo Baroncelli
2021-01-08  1:05 ` Zygo Blaxell
2021-01-08 17:30   ` Goffredo Baroncelli
2021-01-08 17:43     ` BTRFS and *CACHE setup [was Re: [RFC][PATCH V4] btrfs: preferred_metadata: preferred device for metadata] Goffredo Baroncelli
2021-01-09 21:23     ` [RFC][PATCH V4] btrfs: preferred_metadata: preferred device for metadata Zygo Blaxell
2021-01-10 19:55       ` Goffredo Baroncelli
2021-01-16  0:25         ` Zygo Blaxell

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