From: J. Bruce Fields <bfields@redhat.com>
Date: Sun, 23 Mar 2014 16:34:22 +0000 (-0700)
Subject: nfsd4: estimate sequence response size
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=ccae70a9ee415a89b70e97a36886ab55191ebaea;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

nfsd4: estimate sequence response size

Otherwise a following patch would turn off all 4.1 zero-copy reads.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
---

diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index 7507effc7c42..2d786b813c7e 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -1565,6 +1565,12 @@ static inline u32 nfsd4_rename_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op
 		+ op_encode_change_info_maxsz) * sizeof(__be32);
 }
 
+static inline u32 nfsd4_sequence_rsize(struct svc_rqst *rqstp,
+				       struct nfsd4_op *op)
+{
+	return NFS4_MAX_SESSIONID_LEN + 20;
+}
+
 static inline u32 nfsd4_setattr_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
 {
 	return (op_encode_hdr_size + nfs4_fattr_bitmap_maxsz) * sizeof(__be32);