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authorJoe Hershberger <joe.hershberger@ni.com>2016-08-15 15:03:19 -0500
committerJoe Hershberger <joe.hershberger@ni.com>2016-08-22 14:20:32 -0500
commit5280c76915f45f4479d6fe5f0b5b73984de14d04 (patch)
treed0bfae42e00450a371a19d51377edf3ef673fbe8 /net/nfs.c
parentb0baca9820485507a3ec0e5b403a6bf0a57ff2fc (diff)
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net: nfs: Share the file handle buffer for v2 / v3
The v3 handles can be larger than v2, but that doesn't mean we need a separate buffer. Reuse the same (larger) buffer for both. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Diffstat (limited to 'net/nfs.c')
-rw-r--r--net/nfs.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/net/nfs.c b/net/nfs.c
index f61b96e..ac3cde4 100644
--- a/net/nfs.c
+++ b/net/nfs.c
@@ -52,10 +52,8 @@ static int nfs_len;
static ulong nfs_timeout = NFS_TIMEOUT;
static char dirfh[NFS_FHSIZE]; /* NFSv2 / NFSv3 file handle of directory */
-static char filefh[NFS_FHSIZE]; /* NFSv2 file handle */
-
-static char filefh3[NFS3_FHSIZE]; /* NFSv3 file handle */
-static int filefh3_length; /* (variable) length of filefh3 */
+static char filefh[NFS3_FHSIZE]; /* NFSv2 / NFSv3 file handle */
+static int filefh3_length; /* (variable) length of filefh when NFSv3 */
static enum net_loop_state nfs_download_state;
static struct in_addr nfs_server_ip;
@@ -316,7 +314,7 @@ static void nfs_readlink_req(void)
p += (NFS_FHSIZE / 4);
} else { /* NFSV3_FLAG */
*p++ = htonl(filefh3_length);
- memcpy(p, filefh3, filefh3_length);
+ memcpy(p, filefh, filefh3_length);
p += (filefh3_length / 4);
}
@@ -388,7 +386,7 @@ static void nfs_read_req(int offset, int readlen)
*p++ = 0;
} else { /* NFSV3_FLAG */
*p++ = htonl(filefh3_length);
- memcpy(p, filefh3, filefh3_length);
+ memcpy(p, filefh, filefh3_length);
p += (filefh3_length / 4);
*p++ = htonl(0); /* offset is 64-bit long, so fill with 0 */
*p++ = htonl(offset);
@@ -582,7 +580,7 @@ static int nfs_lookup_reply(uchar *pkt, unsigned len)
filefh3_length = ntohl(rpc_pkt.u.reply.data[1]);
if (filefh3_length > NFS3_FHSIZE)
filefh3_length = NFS3_FHSIZE;
- memcpy(filefh3, rpc_pkt.u.reply.data + 2, filefh3_length);
+ memcpy(filefh, rpc_pkt.u.reply.data + 2, filefh3_length);
}
return 0;