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From: Qu Wenruo <wqu@suse.com>
To: linux-btrfs@vger.kernel.org
Subject: [PATCH 2/2] btrfs-progs: doc: add extra note on flipping read-only on received subvolumes
Date: Fri, 10 Sep 2021 14:03:35 +0800	[thread overview]
Message-ID: <20210910060335.38617-3-wqu@suse.com> (raw)
In-Reply-To: <20210910060335.38617-1-wqu@suse.com>

Signed-off-by: Qu Wenruo <wqu@suse.com>
---
 Documentation/btrfs-property.asciidoc | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/btrfs-property.asciidoc b/Documentation/btrfs-property.asciidoc
index 4796083378e4..8949ea22edae 100644
--- a/Documentation/btrfs-property.asciidoc
+++ b/Documentation/btrfs-property.asciidoc
@@ -42,6 +42,12 @@ the following:
 
 ro::::
 read-only flag of subvolume: true or false
++
+NOTE: For recevied subvolumes, flipping from read-only to read-write will
+either remove the recevied UUID and prevent future incremental receive
+(on newer kernels), or cause future data corruption and recevie failure
+(on older kernels).
+
 label::::
 label of the filesystem. For an unmounted filesystem, provide a path to a block
 device as object. For a mounted filesystem, specify a mount point.
-- 
2.33.0


  parent reply	other threads:[~2021-09-10  6:03 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-10  6:03 [PATCH 0/2] btrfs-progs: add educational warning for flipping RO to RW on recevied subvolumes Qu Wenruo
2021-09-10  6:03 ` [PATCH 1/2] btrfs-progs: do extra warning when setting ro false on received subvolume Qu Wenruo
2021-09-10  6:36   ` Nikolay Borisov
2021-09-10  7:28     ` Qu Wenruo
2021-09-10  9:38       ` Graham Cobb
2021-09-10  6:03 ` Qu Wenruo [this message]
2021-09-10  6:33   ` [PATCH 2/2] btrfs-progs: doc: add extra note on flipping read-only on received subvolumes Nikolay Borisov
2021-09-10  7:30     ` Qu Wenruo
2021-09-10  9:48       ` Graham Cobb
2021-09-10  9:45     ` David Sterba
2021-09-10  9:59       ` Qu Wenruo
2021-09-10 10:50         ` Nikolay Borisov

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