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NFS OFFLOAD_CANCEL xdr

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Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Olga Kornievskaia 2018-07-09 15:13:29 -04:00 committed by Anna Schumaker
parent 5178a125f6
commit cb95deea0b
6 changed files with 84 additions and 0 deletions
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68
fs/nfs/nfs42xdr.c
View File

@ -26,6 +26,9 @@
NFS42_WRITE_RES_SIZE + \
1 /* cr_consecutive */ + \
1 /* cr_synchronous */)
#define encode_offload_cancel_maxsz (op_encode_hdr_maxsz + \
XDR_QUADLEN(NFS4_STATEID_SIZE))
#define decode_offload_cancel_maxsz (op_decode_hdr_maxsz)
#define encode_deallocate_maxsz (op_encode_hdr_maxsz + \
encode_fallocate_maxsz)
#define decode_deallocate_maxsz (op_decode_hdr_maxsz)
@ -75,6 +78,12 @@
decode_putfh_maxsz + \
decode_copy_maxsz + \
decode_commit_maxsz)
#define NFS4_enc_offload_cancel_sz (compound_encode_hdr_maxsz + \
encode_putfh_maxsz + \
encode_offload_cancel_maxsz)
#define NFS4_dec_offload_cancel_sz (compound_decode_hdr_maxsz + \
decode_putfh_maxsz + \
decode_offload_cancel_maxsz)
#define NFS4_enc_deallocate_sz (compound_encode_hdr_maxsz + \
encode_putfh_maxsz + \
encode_deallocate_maxsz + \
@ -145,6 +154,14 @@ static void encode_copy(struct xdr_stream *xdr,
encode_uint32(xdr, 0); /* src server list */
}
static void encode_offload_cancel(struct xdr_stream *xdr,
const struct nfs42_offload_status_args *args,
struct compound_hdr *hdr)
{
encode_op_hdr(xdr, OP_OFFLOAD_CANCEL, decode_offload_cancel_maxsz, hdr);
encode_nfs4_stateid(xdr, &args->osa_stateid);
}
static void encode_deallocate(struct xdr_stream *xdr,
const struct nfs42_falloc_args *args,
struct compound_hdr *hdr)
@ -260,6 +277,25 @@ static void nfs4_xdr_enc_copy(struct rpc_rqst *req,
encode_nops(&hdr);
}
/*
* Encode OFFLOAD_CANEL request
*/
static void nfs4_xdr_enc_offload_cancel(struct rpc_rqst *req,
struct xdr_stream *xdr,
const void *data)
{
const struct nfs42_offload_status_args *args = data;
struct compound_hdr hdr = {
.minorversion = nfs4_xdr_minorversion(&args->osa_seq_args),
};
encode_compound_hdr(xdr, req, &hdr);
encode_sequence(xdr, &args->osa_seq_args, &hdr);
encode_putfh(xdr, args->osa_src_fh, &hdr);
encode_offload_cancel(xdr, args, &hdr);
encode_nops(&hdr);
}
/*
* Encode DEALLOCATE request
*/
@ -413,6 +449,12 @@ static int decode_copy(struct xdr_stream *xdr, struct nfs42_copy_res *res)
return decode_copy_requirements(xdr, res);
}
static int decode_offload_cancel(struct xdr_stream *xdr,
struct nfs42_offload_status_res *res)
{
return decode_op_hdr(xdr, OP_OFFLOAD_CANCEL);
}
static int decode_deallocate(struct xdr_stream *xdr, struct nfs42_falloc_res *res)
{
return decode_op_hdr(xdr, OP_DEALLOCATE);
@ -512,6 +554,32 @@ out:
return status;
}
/*
* Decode OFFLOAD_CANCEL response
*/
static int nfs4_xdr_dec_offload_cancel(struct rpc_rqst *rqstp,
struct xdr_stream *xdr,
void *data)
{
struct nfs42_offload_status_res *res = data;
struct compound_hdr hdr;
int status;
status = decode_compound_hdr(xdr, &hdr);
if (status)
goto out;
status = decode_sequence(xdr, &res->osr_seq_res, rqstp);
if (status)
goto out;
status = decode_putfh(xdr);
if (status)
goto out;
status = decode_offload_cancel(xdr, res);
out:
return status;
}
/*
* Decode DEALLOCATE request
*/

1
fs/nfs/nfs4proc.c
View File

@ -9620,6 +9620,7 @@ static const struct nfs4_minor_version_ops nfs_v4_2_minor_ops = {
| NFS_CAP_LGOPEN
| NFS_CAP_ALLOCATE
| NFS_CAP_COPY
| NFS_CAP_OFFLOAD_CANCEL
| NFS_CAP_DEALLOCATE
| NFS_CAP_SEEK
| NFS_CAP_LAYOUTSTATS

1
fs/nfs/nfs4xdr.c
View File

@ -7789,6 +7789,7 @@ const struct rpc_procinfo nfs4_procedures[] = {
PROC42(LAYOUTSTATS, enc_layoutstats, dec_layoutstats),
PROC42(CLONE, enc_clone, dec_clone),
PROC42(COPY, enc_copy, dec_copy),
PROC42(OFFLOAD_CANCEL, enc_offload_cancel, dec_offload_cancel),
PROC(LOOKUPP, enc_lookupp, dec_lookupp),
};

1
include/linux/nfs4.h
View File

@ -527,6 +527,7 @@ enum {
NFSPROC4_CLNT_LAYOUTSTATS,
NFSPROC4_CLNT_CLONE,
NFSPROC4_CLNT_COPY,
NFSPROC4_CLNT_OFFLOAD_CANCEL,
NFSPROC4_CLNT_LOOKUPP,
};

1
include/linux/nfs_fs_sb.h
View File

@ -255,5 +255,6 @@ struct nfs_server {
#define NFS_CAP_LAYOUTSTATS (1U << 22)
#define NFS_CAP_CLONE (1U << 23)
#define NFS_CAP_COPY (1U << 24)
#define NFS_CAP_OFFLOAD_CANCEL (1U << 25)
#endif

12
include/linux/nfs_xdr.h
View File

@ -1403,6 +1403,18 @@ struct nfs42_copy_res {
struct nfs_commitres commit_res;
};
struct nfs42_offload_status_args {
struct nfs4_sequence_args osa_seq_args;
struct nfs_fh *osa_src_fh;
nfs4_stateid osa_stateid;
};
struct nfs42_offload_status_res {
struct nfs4_sequence_res osr_seq_res;
uint64_t osr_count;
int osr_status;
};
struct nfs42_seek_args {
struct nfs4_sequence_args seq_args;