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authorOlga Kornievskaia <kolga@netapp.com>2018-07-09 22:13:29 +0300
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2018-08-09 19:56:38 +0300
commitcb95deea0b4aa5c7c7423f4e075a3ddcd59e710b (patch)
tree67ad6bd3f1fe9cc92d51d93fed22ab05a087cd61
parent5178a125f6d5fb0720315ea4f7cca642fb936031 (diff)
downloadlinux-cb95deea0b4aa5c7c7423f4e075a3ddcd59e710b.tar.xz
NFS OFFLOAD_CANCEL xdr
Signed-off-by: Olga Kornievskaia <kolga@netapp.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
-rw-r--r--fs/nfs/nfs42xdr.c68
-rw-r--r--fs/nfs/nfs4proc.c1
-rw-r--r--fs/nfs/nfs4xdr.c1
-rw-r--r--include/linux/nfs4.h1
-rw-r--r--include/linux/nfs_fs_sb.h1
-rw-r--r--include/linux/nfs_xdr.h12
6 files changed, 84 insertions, 0 deletions
diff --git a/fs/nfs/nfs42xdr.c b/fs/nfs/nfs42xdr.c
index 5966e1e7b1f5..09a540d035b8 100644
--- a/fs/nfs/nfs42xdr.c
+++ b/fs/nfs/nfs42xdr.c
@@ -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)
@@ -261,6 +278,25 @@ static void nfs4_xdr_enc_copy(struct rpc_rqst *req,
}
/*
+ * 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
*/
static void nfs4_xdr_enc_deallocate(struct rpc_rqst *req,
@@ -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);
@@ -513,6 +555,32 @@ out:
}
/*
+ * 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
*/
static int nfs4_xdr_dec_deallocate(struct rpc_rqst *rqstp,
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 124a9f97c366..b22b41eff9c0 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -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
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index cd41d2577a04..b7bde12d8cd5 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -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),
};
diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h
index 57ffaa20d564..c44b87293229 100644
--- a/include/linux/nfs4.h
+++ b/include/linux/nfs4.h
@@ -527,6 +527,7 @@ enum {
NFSPROC4_CLNT_LAYOUTSTATS,
NFSPROC4_CLNT_CLONE,
NFSPROC4_CLNT_COPY,
+ NFSPROC4_CLNT_OFFLOAD_CANCEL,
NFSPROC4_CLNT_LOOKUPP,
};
diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index 2c18d618604e..fbc735f08d7e 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -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
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 3b7325cfb291..85e928a56cef 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -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;