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authorChuck Lever <chuck.lever@oracle.com>2023-10-04 09:42:03 -0400
committerChuck Lever <chuck.lever@oracle.com>2023-10-16 12:44:35 -0400
commita1aee9aa35765ad18dfbcf42a05563da33038bbe (patch)
tree5a47762a3a0ef765c646f4ff0314e4911ddbb7b5 /fs/nfsd
parent3fc5048cb39f24e6b7c465cd59fb8d454d401a4c (diff)
NFSD: Clean up nfsd4_encode_entry4()
Reshape nfsd4_encode_entry4() to be more like the legacy dirent encoders, which were recently rewritten to use xdr_stream. Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'fs/nfsd')
-rw-r--r--fs/nfsd/nfs4xdr.c15
-rw-r--r--fs/nfsd/xdr4.h3
2 files changed, 9 insertions, 9 deletions
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 210cb924b9b4..71f3bc09c1c5 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -3772,7 +3772,6 @@ nfsd4_encode_entry4(void *ccdv, const char *name, int namlen,
u32 name_and_cookie;
int entry_bytes;
__be32 nfserr = nfserr_toosmall;
- __be32 *p;
/* In nfsv4, "." and ".." never make it onto the wire.. */
if (name && isdotent(name, namlen)) {
@@ -3783,17 +3782,15 @@ nfsd4_encode_entry4(void *ccdv, const char *name, int namlen,
/* Encode the previous entry's cookie value */
nfsd4_encode_entry4_nfs_cookie4(cd, offset);
- p = xdr_reserve_space(xdr, 4);
- if (!p)
+ if (xdr_stream_encode_item_present(xdr) != XDR_UNIT)
goto fail;
- *p++ = xdr_one; /* mark entry present */
+
+ /* Reserve send buffer space for this entry's cookie value. */
cookie_offset = xdr->buf->len;
- p = xdr_reserve_space(xdr, 3*4 + namlen);
- if (!p)
+ if (nfsd4_encode_nfs_cookie4(xdr, OFFSET_MAX) != nfs_ok)
+ goto fail;
+ if (nfsd4_encode_component4(xdr, name, namlen) != nfs_ok)
goto fail;
- p = xdr_encode_hyper(p, OFFSET_MAX); /* offset of next entry */
- p = xdr_encode_array(p, name, namlen); /* name length & name */
-
nfserr = nfsd4_encode_entry4_fattr(cd, name, namlen);
switch (nfserr) {
case nfs_ok:
diff --git a/fs/nfsd/xdr4.h b/fs/nfsd/xdr4.h
index c8c21b2d4d14..a97297915112 100644
--- a/fs/nfsd/xdr4.h
+++ b/fs/nfsd/xdr4.h
@@ -120,6 +120,7 @@ nfsd4_encode_uint64_t(struct xdr_stream *xdr, u64 val)
}
#define nfsd4_encode_changeid4(x, v) nfsd4_encode_uint64_t(x, v)
+#define nfsd4_encode_nfs_cookie4(x, v) nfsd4_encode_uint64_t(x, v)
#define nfsd4_encode_length4(x, v) nfsd4_encode_uint64_t(x, v)
#define nfsd4_encode_offset4(x, v) nfsd4_encode_uint64_t(x, v)
@@ -174,6 +175,8 @@ nfsd4_encode_opaque(struct xdr_stream *xdr, const void *data, size_t size)
return nfs_ok;
}
+#define nfsd4_encode_component4(x, d, s) nfsd4_encode_opaque(x, d, s)
+
struct nfsd4_compound_state {
struct svc_fh current_fh;
struct svc_fh save_fh;