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lockd: Fix comment about NLMv3 backwards compatibility

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NLMv2 is completely different protocol than NLMv1 and NLMv3, and in
original Sun implementation is used for RPC loopback callbacks from statd
to lockd services. Linux does not use nor does not implement NLMv2.

Hence, NLMv3 is not backward compatible with NLMv2. But NLMv3 is backward
compatible with NLMv1. Fix comment.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: NeilBrown <neilb@suse.de>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Pali Rohár 2024-09-13 00:53:20 +02:00 committed by Chuck Lever
parent b9376c7e42
commit 2dc84a7522
1 changed files with 3 additions and 2 deletions
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5
fs/lockd/clntxdr.c
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@ -2,8 +2,9 @@
/*
* linux/fs/lockd/clntxdr.c
*
* XDR functions to encode/decode NLM version 3 RPC arguments and results.
* NLM version 3 is backwards compatible with NLM versions 1 and 2.
* XDR functions to encode/decode NLM version 1 and 3 RPC
* arguments and results. NLM version 2 is not specified
* by a standard, thus it is not implemented.
*
* NLM client-side only.
*