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authorLinus Torvalds <torvalds@linux-foundation.org>2017-07-13 23:56:24 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2017-07-13 23:56:24 +0300
commit62403005975c678ba7594a36670ae3bf0273d7c4 (patch)
tree10113ca849639a544c2b356dddf99712d40e99dd /fs/nfs/callback_xdr.c
parent19c6e12c07ceab2ff5d5ec97354b893ab386c41c (diff)
parentb20dae70bfa5014fdf201d0a8589271b888e4927 (diff)
downloadlinux-62403005975c678ba7594a36670ae3bf0273d7c4.tar.xz
Merge tag 'nfsd-4.13' of git://linux-nfs.org/~bfields/linux
Pull nfsd updates from Bruce Fields: "Chuck's RDMA update overhauls the "call receive" side of the RPC-over-RDMA transport to use the new rdma_rw API. Christoph cleaned the way nfs operations are declared, removing a bunch of function-pointer casts and declaring the operation vectors as const. Christoph's changes touch both client and server, and both client and server pulls this time around should be based on the same commits from Christoph" * tag 'nfsd-4.13' of git://linux-nfs.org/~bfields/linux: (53 commits) svcrdma: fix an incorrect check on -E2BIG and -EINVAL nfsd4: factor ctime into change attribute svcrdma: Remove svc_rdma_chunk_ctxt::cc_dir field svcrdma: use offset_in_page() macro svcrdma: Clean up after converting svc_rdma_recvfrom to rdma_rw API svcrdma: Clean-up svc_rdma_unmap_dma svcrdma: Remove frmr cache svcrdma: Remove unused Read completion handlers svcrdma: Properly compute .len and .buflen for received RPC Calls svcrdma: Use generic RDMA R/W API in RPC Call path svcrdma: Add recvfrom helpers to svc_rdma_rw.c sunrpc: Allocate up to RPCSVC_MAXPAGES per svc_rqst svcrdma: Don't account for Receive queue "starvation" svcrdma: Improve Reply chunk sanity checking svcrdma: Improve Write chunk sanity checking svcrdma: Improve Read chunk sanity checking svcrdma: Remove svc_rdma_marshal.c svcrdma: Avoid Send Queue overflow svcrdma: Squelch disconnection messages sunrpc: Disable splice for krb5i ...
Diffstat (limited to 'fs/nfs/callback_xdr.c')
-rw-r--r--fs/nfs/callback_xdr.c113
1 files changed, 62 insertions, 51 deletions
diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c
index 390ac9c39c59..681dd642f119 100644
--- a/fs/nfs/callback_xdr.c
+++ b/fs/nfs/callback_xdr.c
@@ -43,32 +43,27 @@
/* Internal error code */
#define NFS4ERR_RESOURCE_HDR 11050
-typedef __be32 (*callback_process_op_t)(void *, void *,
- struct cb_process_state *);
-typedef __be32 (*callback_decode_arg_t)(struct svc_rqst *, struct xdr_stream *, void *);
-typedef __be32 (*callback_encode_res_t)(struct svc_rqst *, struct xdr_stream *, void *);
-
-
struct callback_op {
- callback_process_op_t process_op;
- callback_decode_arg_t decode_args;
- callback_encode_res_t encode_res;
+ __be32 (*process_op)(void *, void *, struct cb_process_state *);
+ __be32 (*decode_args)(struct svc_rqst *, struct xdr_stream *, void *);
+ __be32 (*encode_res)(struct svc_rqst *, struct xdr_stream *,
+ const void *);
long res_maxsize;
};
static struct callback_op callback_ops[];
-static __be32 nfs4_callback_null(struct svc_rqst *rqstp, void *argp, void *resp)
+static __be32 nfs4_callback_null(struct svc_rqst *rqstp)
{
return htonl(NFS4_OK);
}
-static int nfs4_decode_void(struct svc_rqst *rqstp, __be32 *p, void *dummy)
+static int nfs4_decode_void(struct svc_rqst *rqstp, __be32 *p)
{
return xdr_argsize_check(rqstp, p);
}
-static int nfs4_encode_void(struct svc_rqst *rqstp, __be32 *p, void *dummy)
+static int nfs4_encode_void(struct svc_rqst *rqstp, __be32 *p)
{
return xdr_ressize_check(rqstp, p);
}
@@ -184,8 +179,10 @@ static __be32 decode_op_hdr(struct xdr_stream *xdr, unsigned int *op)
return 0;
}
-static __be32 decode_getattr_args(struct svc_rqst *rqstp, struct xdr_stream *xdr, struct cb_getattrargs *args)
+static __be32 decode_getattr_args(struct svc_rqst *rqstp,
+ struct xdr_stream *xdr, void *argp)
{
+ struct cb_getattrargs *args = argp;
__be32 status;
status = decode_fh(xdr, &args->fh);
@@ -194,8 +191,10 @@ static __be32 decode_getattr_args(struct svc_rqst *rqstp, struct xdr_stream *xdr
return decode_bitmap(xdr, args->bitmap);
}
-static __be32 decode_recall_args(struct svc_rqst *rqstp, struct xdr_stream *xdr, struct cb_recallargs *args)
+static __be32 decode_recall_args(struct svc_rqst *rqstp,
+ struct xdr_stream *xdr, void *argp)
{
+ struct cb_recallargs *args = argp;
__be32 *p;
__be32 status;
@@ -217,9 +216,9 @@ static __be32 decode_layout_stateid(struct xdr_stream *xdr, nfs4_stateid *statei
}
static __be32 decode_layoutrecall_args(struct svc_rqst *rqstp,
- struct xdr_stream *xdr,
- struct cb_layoutrecallargs *args)
+ struct xdr_stream *xdr, void *argp)
{
+ struct cb_layoutrecallargs *args = argp;
__be32 *p;
__be32 status = 0;
uint32_t iomode;
@@ -262,8 +261,9 @@ static __be32 decode_layoutrecall_args(struct svc_rqst *rqstp,
static
__be32 decode_devicenotify_args(struct svc_rqst *rqstp,
struct xdr_stream *xdr,
- struct cb_devicenotifyargs *args)
+ void *argp)
{
+ struct cb_devicenotifyargs *args = argp;
__be32 *p;
__be32 status = 0;
u32 tmp;
@@ -403,8 +403,9 @@ out:
static __be32 decode_cb_sequence_args(struct svc_rqst *rqstp,
struct xdr_stream *xdr,
- struct cb_sequenceargs *args)
+ void *argp)
{
+ struct cb_sequenceargs *args = argp;
__be32 *p;
int i;
__be32 status;
@@ -450,8 +451,9 @@ out_free:
static __be32 decode_recallany_args(struct svc_rqst *rqstp,
struct xdr_stream *xdr,
- struct cb_recallanyargs *args)
+ void *argp)
{
+ struct cb_recallanyargs *args = argp;
uint32_t bitmap[2];
__be32 *p, status;
@@ -469,8 +471,9 @@ static __be32 decode_recallany_args(struct svc_rqst *rqstp,
static __be32 decode_recallslot_args(struct svc_rqst *rqstp,
struct xdr_stream *xdr,
- struct cb_recallslotargs *args)
+ void *argp)
{
+ struct cb_recallslotargs *args = argp;
__be32 *p;
p = read_buf(xdr, 4);
@@ -510,8 +513,10 @@ static __be32 decode_lockowner(struct xdr_stream *xdr, struct cb_notify_lock_arg
return 0;
}
-static __be32 decode_notify_lock_args(struct svc_rqst *rqstp, struct xdr_stream *xdr, struct cb_notify_lock_args *args)
+static __be32 decode_notify_lock_args(struct svc_rqst *rqstp,
+ struct xdr_stream *xdr, void *argp)
{
+ struct cb_notify_lock_args *args = argp;
__be32 status;
status = decode_fh(xdr, &args->cbnl_fh);
@@ -641,8 +646,10 @@ static __be32 encode_op_hdr(struct xdr_stream *xdr, uint32_t op, __be32 res)
return 0;
}
-static __be32 encode_getattr_res(struct svc_rqst *rqstp, struct xdr_stream *xdr, const struct cb_getattrres *res)
+static __be32 encode_getattr_res(struct svc_rqst *rqstp, struct xdr_stream *xdr,
+ const void *resp)
{
+ const struct cb_getattrres *res = resp;
__be32 *savep = NULL;
__be32 status = res->status;
@@ -683,8 +690,9 @@ static __be32 encode_sessionid(struct xdr_stream *xdr,
static __be32 encode_cb_sequence_res(struct svc_rqst *rqstp,
struct xdr_stream *xdr,
- const struct cb_sequenceres *res)
+ const void *resp)
{
+ const struct cb_sequenceres *res = resp;
__be32 *p;
__be32 status = res->csr_status;
@@ -871,7 +879,7 @@ encode_hdr:
/*
* Decode, process and encode a COMPOUND
*/
-static __be32 nfs4_callback_compound(struct svc_rqst *rqstp, void *argp, void *resp)
+static __be32 nfs4_callback_compound(struct svc_rqst *rqstp)
{
struct cb_compound_hdr_arg hdr_arg = { 0 };
struct cb_compound_hdr_res hdr_res = { NULL };
@@ -907,7 +915,8 @@ static __be32 nfs4_callback_compound(struct svc_rqst *rqstp, void *argp, void *r
while (status == 0 && nops != hdr_arg.nops) {
status = process_op(nops, rqstp, &xdr_in,
- argp, &xdr_out, resp, &cps);
+ rqstp->rq_argp, &xdr_out, rqstp->rq_resp,
+ &cps);
nops++;
}
@@ -937,48 +946,46 @@ static struct callback_op callback_ops[] = {
.res_maxsize = CB_OP_HDR_RES_MAXSZ,
},
[OP_CB_GETATTR] = {
- .process_op = (callback_process_op_t)nfs4_callback_getattr,
- .decode_args = (callback_decode_arg_t)decode_getattr_args,
- .encode_res = (callback_encode_res_t)encode_getattr_res,
+ .process_op = nfs4_callback_getattr,
+ .decode_args = decode_getattr_args,
+ .encode_res = encode_getattr_res,
.res_maxsize = CB_OP_GETATTR_RES_MAXSZ,
},
[OP_CB_RECALL] = {
- .process_op = (callback_process_op_t)nfs4_callback_recall,
- .decode_args = (callback_decode_arg_t)decode_recall_args,
+ .process_op = nfs4_callback_recall,
+ .decode_args = decode_recall_args,
.res_maxsize = CB_OP_RECALL_RES_MAXSZ,
},
#if defined(CONFIG_NFS_V4_1)
[OP_CB_LAYOUTRECALL] = {
- .process_op = (callback_process_op_t)nfs4_callback_layoutrecall,
- .decode_args =
- (callback_decode_arg_t)decode_layoutrecall_args,
+ .process_op = nfs4_callback_layoutrecall,
+ .decode_args = decode_layoutrecall_args,
.res_maxsize = CB_OP_LAYOUTRECALL_RES_MAXSZ,
},
[OP_CB_NOTIFY_DEVICEID] = {
- .process_op = (callback_process_op_t)nfs4_callback_devicenotify,
- .decode_args =
- (callback_decode_arg_t)decode_devicenotify_args,
+ .process_op = nfs4_callback_devicenotify,
+ .decode_args = decode_devicenotify_args,
.res_maxsize = CB_OP_DEVICENOTIFY_RES_MAXSZ,
},
[OP_CB_SEQUENCE] = {
- .process_op = (callback_process_op_t)nfs4_callback_sequence,
- .decode_args = (callback_decode_arg_t)decode_cb_sequence_args,
- .encode_res = (callback_encode_res_t)encode_cb_sequence_res,
+ .process_op = nfs4_callback_sequence,
+ .decode_args = decode_cb_sequence_args,
+ .encode_res = encode_cb_sequence_res,
.res_maxsize = CB_OP_SEQUENCE_RES_MAXSZ,
},
[OP_CB_RECALL_ANY] = {
- .process_op = (callback_process_op_t)nfs4_callback_recallany,
- .decode_args = (callback_decode_arg_t)decode_recallany_args,
+ .process_op = nfs4_callback_recallany,
+ .decode_args = decode_recallany_args,
.res_maxsize = CB_OP_RECALLANY_RES_MAXSZ,
},
[OP_CB_RECALL_SLOT] = {
- .process_op = (callback_process_op_t)nfs4_callback_recallslot,
- .decode_args = (callback_decode_arg_t)decode_recallslot_args,
+ .process_op = nfs4_callback_recallslot,
+ .decode_args = decode_recallslot_args,
.res_maxsize = CB_OP_RECALLSLOT_RES_MAXSZ,
},
[OP_CB_NOTIFY_LOCK] = {
- .process_op = (callback_process_op_t)nfs4_callback_notify_lock,
- .decode_args = (callback_decode_arg_t)decode_notify_lock_args,
+ .process_op = nfs4_callback_notify_lock,
+ .decode_args = decode_notify_lock_args,
.res_maxsize = CB_OP_NOTIFY_LOCK_RES_MAXSZ,
},
#endif /* CONFIG_NFS_V4_1 */
@@ -987,36 +994,40 @@ static struct callback_op callback_ops[] = {
/*
* Define NFS4 callback procedures
*/
-static struct svc_procedure nfs4_callback_procedures1[] = {
+static const struct svc_procedure nfs4_callback_procedures1[] = {
[CB_NULL] = {
.pc_func = nfs4_callback_null,
- .pc_decode = (kxdrproc_t)nfs4_decode_void,
- .pc_encode = (kxdrproc_t)nfs4_encode_void,
+ .pc_decode = nfs4_decode_void,
+ .pc_encode = nfs4_encode_void,
.pc_xdrressize = 1,
},
[CB_COMPOUND] = {
.pc_func = nfs4_callback_compound,
- .pc_encode = (kxdrproc_t)nfs4_encode_void,
+ .pc_encode = nfs4_encode_void,
.pc_argsize = 256,
.pc_ressize = 256,
.pc_xdrressize = NFS4_CALLBACK_BUFSIZE,
}
};
-struct svc_version nfs4_callback_version1 = {
+static unsigned int nfs4_callback_count1[ARRAY_SIZE(nfs4_callback_procedures1)];
+const struct svc_version nfs4_callback_version1 = {
.vs_vers = 1,
.vs_nproc = ARRAY_SIZE(nfs4_callback_procedures1),
.vs_proc = nfs4_callback_procedures1,
+ .vs_count = nfs4_callback_count1,
.vs_xdrsize = NFS4_CALLBACK_XDRSIZE,
.vs_dispatch = NULL,
.vs_hidden = true,
.vs_need_cong_ctrl = true,
};
-struct svc_version nfs4_callback_version4 = {
+static unsigned int nfs4_callback_count4[ARRAY_SIZE(nfs4_callback_procedures1)];
+const struct svc_version nfs4_callback_version4 = {
.vs_vers = 4,
.vs_nproc = ARRAY_SIZE(nfs4_callback_procedures1),
.vs_proc = nfs4_callback_procedures1,
+ .vs_count = nfs4_callback_count4,
.vs_xdrsize = NFS4_CALLBACK_XDRSIZE,
.vs_dispatch = NULL,
.vs_hidden = true,