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NFSD: Add nfsd4_encode_fattr4_maxwrite()

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Refactor the encoder for FATTR4_MAXWRITE into a helper. In a
subsequent patch, this helper will be called from a bitmask loop.

Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever 2023-09-18 09:59:46 -04:00
parent c17195c397
commit 951378dc96
1 changed files with 9 additions and 4 deletions
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13
fs/nfsd/nfs4xdr.c
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@ -3177,6 +3177,12 @@ static __be32 nfsd4_encode_fattr4_maxread(struct xdr_stream *xdr,
return nfsd4_encode_uint64_t(xdr, svc_max_payload(args->rqstp)); return nfsd4_encode_uint64_t(xdr, svc_max_payload(args->rqstp));
} }
static __be32 nfsd4_encode_fattr4_maxwrite(struct xdr_stream *xdr,
const struct nfsd4_fattr_args *args)
{
return nfsd4_encode_uint64_t(xdr, svc_max_payload(args->rqstp));
}
/* /*
* Note: @fhp can be NULL; in this case, we might have to compose the filehandle * Note: @fhp can be NULL; in this case, we might have to compose the filehandle
* ourselves. * ourselves.
@ -3451,10 +3457,9 @@ nfsd4_encode_fattr(struct xdr_stream *xdr, struct svc_fh *fhp,
goto out; goto out;
} }
if (bmval0 & FATTR4_WORD0_MAXWRITE) { if (bmval0 & FATTR4_WORD0_MAXWRITE) {
p = xdr_reserve_space(xdr, 8); status = nfsd4_encode_fattr4_maxwrite(xdr, &args);
if (!p) if (status != nfs_ok)
goto out_resource; goto out;
p = xdr_encode_hyper(p, (u64) svc_max_payload(rqstp));
} }
if (bmval1 & FATTR4_WORD1_MODE) { if (bmval1 & FATTR4_WORD1_MODE) {
p = xdr_reserve_space(xdr, 4); p = xdr_reserve_space(xdr, 4);