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path: root/fs/nfs/nfs4xdr.c
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Diffstat (limited to 'fs/nfs/nfs4xdr.c')
-rw-r--r--fs/nfs/nfs4xdr.c179
1 files changed, 36 insertions, 143 deletions
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index e13b59d8d9aa..005d03c5d274 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -362,25 +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_getdevicelist_maxsz (op_encode_hdr_maxsz + 4 + \
- encode_verifier_maxsz)
-#define decode_getdevicelist_maxsz (op_decode_hdr_maxsz + \
- 2 /* nfs_cookie4 gdlr_cookie */ + \
- decode_verifier_maxsz \
- /* verifier4 gdlr_verifier */ + \
- 1 /* gdlr_deviceid_list count */ + \
- XDR_QUADLEN(NFS4_PNFS_GETDEVLIST_MAXNUM * \
- NFS4_DEVICEID4_SIZE) \
- /* gdlr_deviceid_list */ + \
- 1 /* bool gdlr_eof */)
-#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 + \
@@ -395,7 +389,10 @@ static int nfs4_stat_to_errno(int);
2 /* last byte written */ + \
1 /* nt_timechanged (false) */ + \
1 /* layoutupdate4 layout type */ + \
- 1 /* NULL filelayout layoutupdate4 payload */)
+ 1 /* layoutupdate4 opaqueue len */)
+ /* the actual content of layoutupdate4 should
+ be allocated by drivers and spliced in
+ using xdr_write_pages */
#define decode_layoutcommit_maxsz (op_decode_hdr_maxsz + 3)
#define encode_layoutreturn_maxsz (8 + op_encode_hdr_maxsz + \
encode_stateid_maxsz + \
@@ -809,14 +806,6 @@ static int nfs4_stat_to_errno(int);
#define NFS4_dec_reclaim_complete_sz (compound_decode_hdr_maxsz + \
decode_sequence_maxsz + \
decode_reclaim_complete_maxsz)
-#define NFS4_enc_getdevicelist_sz (compound_encode_hdr_maxsz + \
- encode_sequence_maxsz + \
- encode_putfh_maxsz + \
- encode_getdevicelist_maxsz)
-#define NFS4_dec_getdevicelist_sz (compound_decode_hdr_maxsz + \
- decode_sequence_maxsz + \
- decode_putfh_maxsz + \
- decode_getdevicelist_maxsz)
#define NFS4_enc_getdeviceinfo_sz (compound_encode_hdr_maxsz + \
encode_sequence_maxsz +\
encode_getdeviceinfo_maxsz)
@@ -1927,24 +1916,6 @@ static void encode_sequence(struct xdr_stream *xdr,
#ifdef CONFIG_NFS_V4_1
static void
-encode_getdevicelist(struct xdr_stream *xdr,
- const struct nfs4_getdevicelist_args *args,
- struct compound_hdr *hdr)
-{
- __be32 *p;
- nfs4_verifier dummy = {
- .data = "dummmmmy",
- };
-
- encode_op_hdr(xdr, OP_GETDEVICELIST, decode_getdevicelist_maxsz, hdr);
- p = reserve_space(xdr, 16);
- *p++ = cpu_to_be32(args->layoutclass);
- *p++ = cpu_to_be32(NFS4_PNFS_GETDEVLIST_MAXNUM);
- xdr_encode_hyper(p, 0ULL); /* cookie */
- encode_nfs4_verifier(xdr, &dummy);
-}
-
-static void
encode_getdeviceinfo(struct xdr_stream *xdr,
const struct nfs4_getdeviceinfo_args *args,
struct compound_hdr *hdr)
@@ -1952,12 +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
@@ -1990,7 +1964,7 @@ encode_layoutget(struct xdr_stream *xdr,
static int
encode_layoutcommit(struct xdr_stream *xdr,
struct inode *inode,
- const struct nfs4_layoutcommit_args *args,
+ struct nfs4_layoutcommit_args *args,
struct compound_hdr *hdr)
{
__be32 *p;
@@ -2011,11 +1985,16 @@ encode_layoutcommit(struct xdr_stream *xdr,
*p++ = cpu_to_be32(0); /* Never send time_modify_changed */
*p++ = cpu_to_be32(NFS_SERVER(args->inode)->pnfs_curr_ld->id);/* type */
- if (NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit)
+ if (NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit) {
NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit(
NFS_I(inode)->layout, xdr, args);
- else
- encode_uint32(xdr, 0); /* no layout-type payload */
+ } else {
+ encode_uint32(xdr, args->layoutupdate_len);
+ if (args->layoutupdate_pages) {
+ xdr_write_pages(xdr, args->layoutupdate_pages, 0,
+ args->layoutupdate_len);
+ }
+ }
return 0;
}
@@ -2893,24 +2872,6 @@ static void nfs4_xdr_enc_reclaim_complete(struct rpc_rqst *req,
}
/*
- * Encode GETDEVICELIST request
- */
-static void nfs4_xdr_enc_getdevicelist(struct rpc_rqst *req,
- struct xdr_stream *xdr,
- struct nfs4_getdevicelist_args *args)
-{
- struct compound_hdr hdr = {
- .minorversion = nfs4_xdr_minorversion(&args->seq_args),
- };
-
- encode_compound_hdr(xdr, req, &hdr);
- encode_sequence(xdr, &args->seq_args, &hdr);
- encode_putfh(xdr, args->fh, &hdr);
- encode_getdevicelist(xdr, args, &hdr);
- encode_nops(&hdr);
-}
-
-/*
* Encode GETDEVICEINFO request
*/
static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst *req,
@@ -5765,54 +5726,6 @@ out_overflow:
}
#if defined(CONFIG_NFS_V4_1)
-/*
- * TODO: Need to handle case when EOF != true;
- */
-static int decode_getdevicelist(struct xdr_stream *xdr,
- struct pnfs_devicelist *res)
-{
- __be32 *p;
- int status, i;
- nfs4_verifier verftemp;
-
- status = decode_op_hdr(xdr, OP_GETDEVICELIST);
- if (status)
- return status;
-
- p = xdr_inline_decode(xdr, 8 + 8 + 4);
- if (unlikely(!p))
- goto out_overflow;
-
- /* TODO: Skip cookie for now */
- p += 2;
-
- /* Read verifier */
- p = xdr_decode_opaque_fixed(p, verftemp.data, NFS4_VERIFIER_SIZE);
-
- res->num_devs = be32_to_cpup(p);
-
- dprintk("%s: num_dev %d\n", __func__, res->num_devs);
-
- if (res->num_devs > NFS4_PNFS_GETDEVLIST_MAXNUM) {
- printk(KERN_ERR "NFS: %s too many result dev_num %u\n",
- __func__, res->num_devs);
- return -EIO;
- }
-
- p = xdr_inline_decode(xdr,
- res->num_devs * NFS4_DEVICEID4_SIZE + 4);
- if (unlikely(!p))
- goto out_overflow;
- for (i = 0; i < res->num_devs; i++)
- p = xdr_decode_opaque_fixed(p, res->dev_id[i].data,
- NFS4_DEVICEID4_SIZE);
- res->eof = be32_to_cpup(p);
- return 0;
-out_overflow:
- print_overflow_msg(__func__, xdr);
- return -EIO;
-}
-
static int decode_getdeviceinfo(struct xdr_stream *xdr,
struct pnfs_device *pdev)
{
@@ -5862,9 +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;
}
@@ -7097,32 +7017,6 @@ static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst *rqstp,
}
/*
- * Decode GETDEVICELIST response
- */
-static int nfs4_xdr_dec_getdevicelist(struct rpc_rqst *rqstp,
- struct xdr_stream *xdr,
- struct nfs4_getdevicelist_res *res)
-{
- struct compound_hdr hdr;
- int status;
-
- dprintk("encoding getdevicelist!\n");
-
- status = decode_compound_hdr(xdr, &hdr);
- if (status != 0)
- goto out;
- status = decode_sequence(xdr, &res->seq_res, rqstp);
- if (status != 0)
- goto out;
- status = decode_putfh(xdr);
- if (status != 0)
- goto out;
- status = decode_getdevicelist(xdr, res->devlist);
-out:
- return status;
-}
-
-/*
* Decode GETDEVINFO response
*/
static int nfs4_xdr_dec_getdeviceinfo(struct rpc_rqst *rqstp,
@@ -7490,7 +7384,6 @@ struct rpc_procinfo nfs4_procedures[] = {
PROC(SECINFO_NO_NAME, enc_secinfo_no_name, dec_secinfo_no_name),
PROC(TEST_STATEID, enc_test_stateid, dec_test_stateid),
PROC(FREE_STATEID, enc_free_stateid, dec_free_stateid),
- PROC(GETDEVICELIST, enc_getdevicelist, dec_getdevicelist),
PROC(BIND_CONN_TO_SESSION,
enc_bind_conn_to_session, dec_bind_conn_to_session),
PROC(DESTROY_CLIENTID, enc_destroy_clientid, dec_destroy_clientid),