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authorJ. Bruce Fields <bfields@redhat.com>2014-08-21 15:04:31 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-11-14 10:10:36 -0800
commit6aba9ec80f4f80302af41c83033b5c45540fc092 (patch)
tree5e202b730304288728a4cf5f112b3a508a2ee947 /fs
parentff3483aa1cf792438351a443a7c78e6e3c227c91 (diff)
nfsd4: fix response size estimation for OP_SEQUENCE
commit d1d84c9626bb3a519863b3ffc40d347166f9fb83 upstream. We added this new estimator function but forgot to hook it up. The effect is that NFSv4.1 (and greater) won't do zero-copy reads. The estimate was also wrong by 8 bytes. Fixes: ccae70a9ee41 "nfsd4: estimate sequence response size" Reported-by: Chuck Lever <chucklever@gmail.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/nfsd/nfs4proc.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index 5e0dc528a0e8..36d23b01fb75 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -1546,7 +1546,8 @@ static inline u32 nfsd4_rename_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op
static inline u32 nfsd4_sequence_rsize(struct svc_rqst *rqstp,
struct nfsd4_op *op)
{
- return NFS4_MAX_SESSIONID_LEN + 20;
+ return (op_encode_hdr_size
+ + XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 5) * sizeof(__be32);
}
static inline u32 nfsd4_setattr_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
@@ -1850,6 +1851,7 @@ static struct nfsd4_operation nfsd4_ops[] = {
.op_func = (nfsd4op_func)nfsd4_sequence,
.op_flags = ALLOWED_WITHOUT_FH | ALLOWED_AS_FIRST_OP,
.op_name = "OP_SEQUENCE",
+ .op_rsize_bop = (nfsd4op_rsize)nfsd4_sequence_rsize,
},
[OP_DESTROY_CLIENTID] = {
.op_func = (nfsd4op_func)nfsd4_destroy_clientid,