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-rw-r--r--fs/nfs/callback_proc.c3
-rw-r--r--fs/nfs/nfs4xdr.c31
2 files changed, 23 insertions, 11 deletions
diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c
index 56bd0eaf645e..73466b934090 100644
--- a/fs/nfs/callback_proc.c
+++ b/fs/nfs/callback_proc.c
@@ -289,9 +289,6 @@ __be32 nfs4_callback_devicenotify(struct cb_devicenotifyargs *args,
}
found:
- if (dev->cbd_notify_type == NOTIFY_DEVICEID4_CHANGE)
- dprintk("%s: NOTIFY_DEVICEID4_CHANGE not supported, "
- "deleting instead\n", __func__);
nfs4_delete_deviceid(server->pnfs_curr_ld, clp, &dev->cbd_dev_id);
}
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index b8165eab0a32..005d03c5d274 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -362,14 +362,19 @@ static int nfs4_stat_to_errno(int);
XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 5)
#define encode_reclaim_complete_maxsz (op_encode_hdr_maxsz + 4)
#define decode_reclaim_complete_maxsz (op_decode_hdr_maxsz + 4)
-#define encode_getdeviceinfo_maxsz (op_encode_hdr_maxsz + 4 + \
- XDR_QUADLEN(NFS4_DEVICEID4_SIZE))
+#define encode_getdeviceinfo_maxsz (op_encode_hdr_maxsz + \
+ XDR_QUADLEN(NFS4_DEVICEID4_SIZE) + \
+ 1 /* layout type */ + \
+ 1 /* maxcount */ + \
+ 1 /* bitmap size */ + \
+ 1 /* notification bitmap length */ + \
+ 1 /* notification bitmap, word 0 */)
#define decode_getdeviceinfo_maxsz (op_decode_hdr_maxsz + \
1 /* layout type */ + \
1 /* opaque devaddr4 length */ + \
/* devaddr4 payload is read into page */ \
1 /* notification bitmap length */ + \
- 1 /* notification bitmap */)
+ 1 /* notification bitmap, word 0 */)
#define encode_layoutget_maxsz (op_encode_hdr_maxsz + 10 + \
encode_stateid_maxsz)
#define decode_layoutget_maxsz (op_decode_hdr_maxsz + 8 + \
@@ -1918,12 +1923,15 @@ encode_getdeviceinfo(struct xdr_stream *xdr,
__be32 *p;
encode_op_hdr(xdr, OP_GETDEVICEINFO, decode_getdeviceinfo_maxsz, hdr);
- p = reserve_space(xdr, 12 + NFS4_DEVICEID4_SIZE);
+ p = reserve_space(xdr, NFS4_DEVICEID4_SIZE + 4 + 4);
p = xdr_encode_opaque_fixed(p, args->pdev->dev_id.data,
NFS4_DEVICEID4_SIZE);
*p++ = cpu_to_be32(args->pdev->layout_type);
*p++ = cpu_to_be32(args->pdev->maxcount); /* gdia_maxcount */
- *p++ = cpu_to_be32(0); /* bitmap length 0 */
+
+ p = reserve_space(xdr, 4 + 4);
+ *p++ = cpu_to_be32(1); /* bitmap length */
+ *p++ = cpu_to_be32(NOTIFY_DEVICEID4_CHANGE | NOTIFY_DEVICEID4_DELETE);
}
static void
@@ -5767,9 +5775,16 @@ static int decode_getdeviceinfo(struct xdr_stream *xdr,
p = xdr_inline_decode(xdr, 4 * len);
if (unlikely(!p))
goto out_overflow;
- for (i = 0; i < len; i++, p++) {
- if (be32_to_cpup(p)) {
- dprintk("%s: notifications not supported\n",
+
+ if (be32_to_cpup(p++) &
+ ~(NOTIFY_DEVICEID4_CHANGE | NOTIFY_DEVICEID4_DELETE)) {
+ dprintk("%s: unsupported notification\n",
+ __func__);
+ }
+
+ for (i = 1; i < len; i++) {
+ if (be32_to_cpup(p++)) {
+ dprintk("%s: unsupported notification\n",
__func__);
return -EIO;
}