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doc: correcting two prefix errors in idmappings.rst

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Add the 'k' prefix to id 21000. And id `u1000` in the third
idmapping should be mapped to `k31000`, not `u31000`.

Signed-off-by: Aiden Ma <jiaheng.ma@foxmail.com>
Link: https://lore.kernel.org/r/tencent_4E7B1F143E8051530C21FCADF4E014DCBB06@qq.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Aiden Ma 2025-03-04 19:54:01 +08:00 • committed by Christian Brauner
parent e04918dc59
commit 50dc696c3a
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1 changed files with 2 additions and 2 deletions
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Documentation/filesystems/idmappings.rst
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@ -63,8 +63,8 @@ what id ``k11000`` corresponds to in the second or third idmapping. The
straightforward algorithm to use is to apply the inverse of the first idmapping,
mapping ``k11000`` up to ``u1000``. Afterwards, we can map ``u1000`` down using
either the second idmapping mapping or third idmapping mapping. The second
idmapping would map ``u1000`` down to ``21000``. The third idmapping would map
``u1000`` down to ``u31000``.
idmapping would map ``u1000`` down to ``k21000``. The third idmapping would map
``u1000`` down to ``k31000``.
If we were given the same task for the following three idmappings::