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Message-Id: <20230816033210.914262-1-gongruiqi@huaweicloud.com>
Date: Wed, 16 Aug 2023 11:32:10 +0800
From: "GONG, Ruiqi" <gongruiqi@...weicloud.com>
To: Christian Brauner <brauner@...nel.org>,
Seth Forshee <sforshee@...nel.org>,
Jonathan Corbet <corbet@....net>
Cc: linux-fsdevel@...r.kernel.org, linux-doc@...r.kernel.org,
linux-kernel@...r.kernel.org, Wang Lei <wanglei249@...wei.com>,
gongruiqi1@...wei.com
Subject: [PATCH] doc: idmappings: fix an error and rephrase a paragraph
From: "GONG, Ruiqi" <gongruiqi1@...wei.com>
If the modified paragraph is referring to the idmapping mentioned in the
previous paragraph (i.e. `u0:k10000:r10000`), then it is `u0` that the
upper idmapset starts with, not `u1000`.
Fix this error and rephrase this paragraph a bit to make this reference
more explicit.
Reported-by: Wang Lei <wanglei249@...wei.com>
Signed-off-by: GONG, Ruiqi <gongruiqi1@...wei.com>
---
Documentation/filesystems/idmappings.rst | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/Documentation/filesystems/idmappings.rst b/Documentation/filesystems/idmappings.rst
index f3d168c9f0b9..d095c5838f94 100644
--- a/Documentation/filesystems/idmappings.rst
+++ b/Documentation/filesystems/idmappings.rst
@@ -146,9 +146,10 @@ For the rest of this document we will prefix all userspace ids with ``u`` and
all kernel ids with ``k``. Ranges of idmappings will be prefixed with ``r``. So
an idmapping will be written as ``u0:k10000:r10000``.
-For example, the id ``u1000`` is an id in the upper idmapset or "userspace
-idmapset" starting with ``u1000``. And it is mapped to ``k11000`` which is a
-kernel id in the lower idmapset or "kernel idmapset" starting with ``k10000``.
+For example, within this idmapping, the id ``u1000`` is an id in the upper
+idmapset or "userspace idmapset" starting with ``u0``. And it is mapped to
+``k11000`` which is a kernel id in the lower idmapset or "kernel idmapset"
+starting with ``k10000``.
A kernel id is always created by an idmapping. Such idmappings are associated
with user namespaces. Since we mainly care about how idmappings work we're not
--
2.25.1
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