2023-09-18 15:28:47

by Chuck Lever

[permalink] [raw]
Subject: [PATCH v1 38/52] NFSD: Add nfsd4_encode_fattr4_time_access()

From: Chuck Lever <[email protected]>

Refactor the encoder for FATTR4_TIME_ACCESS into a helper. In a
subsequent patch, this helper will be called from a bitmask loop.

Signed-off-by: Chuck Lever <[email protected]>
---
fs/nfsd/nfs4xdr.c | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 80be20217402..214e2fdcbd89 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -2536,16 +2536,16 @@ static __be32 nfsd4_encode_nfs_fh4(struct xdr_stream *xdr,
return nfsd4_encode_opaque(xdr, fh_handle->fh_raw, fh_handle->fh_size);
}

+/* This is a frequently-encoded type; open-coded for speed */
static __be32 nfsd4_encode_nfstime4(struct xdr_stream *xdr,
- struct timespec64 *tv)
+ const struct timespec64 *tv)
{
__be32 *p;

p = xdr_reserve_space(xdr, XDR_UNIT * 3);
if (!p)
return nfserr_resource;
-
- p = xdr_encode_hyper(p, (s64)tv->tv_sec);
+ p = xdr_encode_hyper(p, tv->tv_sec);
*p = cpu_to_be32(tv->tv_nsec);
return nfs_ok;
}
@@ -3254,6 +3254,12 @@ static __be32 nfsd4_encode_fattr4_space_used(struct xdr_stream *xdr,
return nfsd4_encode_uint64_t(xdr, (u64)args->stat.blocks << 9);
}

+static __be32 nfsd4_encode_fattr4_time_access(struct xdr_stream *xdr,
+ const struct nfsd4_fattr_args *args)
+{
+ return nfsd4_encode_nfstime4(xdr, &args->stat.atime);
+}
+
/*
* Note: @fhp can be NULL; in this case, we might have to compose the filehandle
* ourselves.
@@ -3577,7 +3583,7 @@ nfsd4_encode_fattr(struct xdr_stream *xdr, struct svc_fh *fhp,
goto out;
}
if (bmval1 & FATTR4_WORD1_TIME_ACCESS) {
- status = nfsd4_encode_nfstime4(xdr, &args.stat.atime);
+ status = nfsd4_encode_fattr4_time_access(xdr, &args);
if (status)
goto out;
}