NFSv4.2: Fix READ_PLUS size calculations

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[ Upstream commit 8d18f6c5bb ]

I bump the decode_read_plus_maxsz to account for hole segments, but I
need to subtract out this increase when calling
rpc_prepare_reply_pages() so the common case of single data segment
replies can be directly placed into the xdr pages without needing to be
shifted around.

Reported-by: Chuck Lever <chuck.lever@oracle.com>
Fixes: d3b00a802c ("NFS: Replace the READ_PLUS decoding code")
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Anna Schumaker 2023-05-31 17:02:54 -04:00 • committed by Greg Kroah-Hartman

parent 039e896302

commit 770eaf4c35

1 changed files with 9 additions and 3 deletions

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fs/nfs/nfs42xdr.c

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