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nfs: don't cast callback decode/proc/encode routines 

Instead declare all functions with the proper methods signature.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Acked-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Christoph Hellwig 2017-05-11 09:22:18 +02:00
parent 18d9cff400
commit f4dac4ade5
3 changed files with 77 additions and 69 deletions
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27
fs/nfs/callback.h
View File

@ -114,8 +114,7 @@ struct cb_sequenceres {
uint32_t csr_target_highestslotid;
};
extern __be32 nfs4_callback_sequence(struct cb_sequenceargs *args,
struct cb_sequenceres *res,
extern __be32 nfs4_callback_sequence(void *argp, void *resp,
struct cb_process_state *cps);
#define RCA4_TYPE_MASK_RDATA_DLG 0
@ -134,15 +133,13 @@ struct cb_recallanyargs {
uint32_t craa_type_mask;
};
extern __be32 nfs4_callback_recallany(struct cb_recallanyargs *args,
void *dummy,
extern __be32 nfs4_callback_recallany(void *argp, void *resp,
struct cb_process_state *cps);
struct cb_recallslotargs {
uint32_t crsa_target_highest_slotid;
};
extern __be32 nfs4_callback_recallslot(struct cb_recallslotargs *args,
void *dummy,
extern __be32 nfs4_callback_recallslot(void *argp, void *resp,
struct cb_process_state *cps);
struct cb_layoutrecallargs {
@ -159,9 +156,8 @@ struct cb_layoutrecallargs {
};
};
extern __be32 nfs4_callback_layoutrecall(
struct cb_layoutrecallargs *args,
void *dummy, struct cb_process_state *cps);
extern __be32 nfs4_callback_layoutrecall(void *argp, void *resp,
struct cb_process_state *cps);
struct cb_devicenotifyitem {
uint32_t cbd_notify_type;
@ -175,9 +171,8 @@ struct cb_devicenotifyargs {
struct cb_devicenotifyitem *devs;
};
extern __be32 nfs4_callback_devicenotify(
struct cb_devicenotifyargs *args,
void *dummy, struct cb_process_state *cps);
extern __be32 nfs4_callback_devicenotify(void *argp, void *resp,
struct cb_process_state *cps);
struct cb_notify_lock_args {
struct nfs_fh cbnl_fh;
@ -185,15 +180,13 @@ struct cb_notify_lock_args {
bool cbnl_valid;
};
extern __be32 nfs4_callback_notify_lock(struct cb_notify_lock_args *args,
void *dummy,
extern __be32 nfs4_callback_notify_lock(void *argp, void *resp,
struct cb_process_state *cps);
#endif /* CONFIG_NFS_V4_1 */
extern int check_gss_callback_principal(struct nfs_client *, struct svc_rqst *);
extern __be32 nfs4_callback_getattr(struct cb_getattrargs *args,
struct cb_getattrres *res,
extern __be32 nfs4_callback_getattr(void *argp, void *resp,
struct cb_process_state *cps);
extern __be32 nfs4_callback_recall(struct cb_recallargs *args, void *dummy,
extern __be32 nfs4_callback_recall(void *argp, void *resp,
struct cb_process_state *cps);
#if IS_ENABLED(CONFIG_NFS_V4)
extern int nfs_callback_up(u32 minorversion, struct rpc_xprt *xprt);

33
fs/nfs/callback_proc.c
View File

@ -19,10 +19,11 @@
#define NFSDBG_FACILITY NFSDBG_CALLBACK
__be32 nfs4_callback_getattr(struct cb_getattrargs *args,
struct cb_getattrres *res,
__be32 nfs4_callback_getattr(void *argp, void *resp,
struct cb_process_state *cps)
{
struct cb_getattrargs *args = argp;
struct cb_getattrres *res = resp;
struct nfs_delegation *delegation;
struct nfs_inode *nfsi;
struct inode *inode;
@ -68,9 +69,10 @@ __be32 nfs4_callback_getattr(struct cb_getattrargs *args,
return res->status;
}
__be32 nfs4_callback_recall(struct cb_recallargs *args, void *dummy,
__be32 nfs4_callback_recall(void *argp, void *resp,
struct cb_process_state *cps)
{
struct cb_recallargs *args = argp;
struct inode *inode;
__be32 res;
@ -324,9 +326,10 @@ static u32 do_callback_layoutrecall(struct nfs_client *clp,
return initiate_bulk_draining(clp, args);
}
__be32 nfs4_callback_layoutrecall(struct cb_layoutrecallargs *args,
void *dummy, struct cb_process_state *cps)
__be32 nfs4_callback_layoutrecall(void *argp, void *resp,
struct cb_process_state *cps)
{
struct cb_layoutrecallargs *args = argp;
u32 res = NFS4ERR_OP_NOT_IN_SESSION;
if (cps->clp)
@ -345,9 +348,10 @@ static void pnfs_recall_all_layouts(struct nfs_client *clp)
do_callback_layoutrecall(clp, &args);
}
__be32 nfs4_callback_devicenotify(struct cb_devicenotifyargs *args,
void *dummy, struct cb_process_state *cps)
__be32 nfs4_callback_devicenotify(void *argp, void *resp,
struct cb_process_state *cps)
{
struct cb_devicenotifyargs *args = argp;
int i;
__be32 res = 0;
struct nfs_client *clp = cps->clp;
@ -469,10 +473,11 @@ static bool referring_call_exists(struct nfs_client *clp,
return status;
}
__be32 nfs4_callback_sequence(struct cb_sequenceargs *args,
struct cb_sequenceres *res,
__be32 nfs4_callback_sequence(void *argp, void *resp,
struct cb_process_state *cps)
{
struct cb_sequenceargs *args = argp;
struct cb_sequenceres *res = resp;
struct nfs4_slot_table *tbl;
struct nfs4_slot *slot;
struct nfs_client *clp;
@ -571,9 +576,10 @@ validate_bitmap_values(unsigned long mask)
return (mask & ~RCA4_TYPE_MASK_ALL) == 0;
}
__be32 nfs4_callback_recallany(struct cb_recallanyargs *args, void *dummy,
__be32 nfs4_callback_recallany(void *argp, void *resp,
struct cb_process_state *cps)
{
struct cb_recallanyargs *args = argp;
__be32 status;
fmode_t flags = 0;
@ -606,9 +612,10 @@ __be32 nfs4_callback_recallany(struct cb_recallanyargs *args, void *dummy,
}
/* Reduce the fore channel's max_slots to the target value */
__be32 nfs4_callback_recallslot(struct cb_recallslotargs *args, void *dummy,
__be32 nfs4_callback_recallslot(void *argp, void *resp,
struct cb_process_state *cps)
{
struct cb_recallslotargs *args = argp;
struct nfs4_slot_table *fc_tbl;
__be32 status;
@ -631,9 +638,11 @@ __be32 nfs4_callback_recallslot(struct cb_recallslotargs *args, void *dummy,
return status;
}
__be32 nfs4_callback_notify_lock(struct cb_notify_lock_args *args, void *dummy,
__be32 nfs4_callback_notify_lock(void *argp, void *resp,
struct cb_process_state *cps)
{
struct cb_notify_lock_args *args = argp;
if (!cps->clp) /* set in cb_sequence */
return htonl(NFS4ERR_OP_NOT_IN_SESSION);

86
fs/nfs/callback_xdr.c
View File

@ -43,16 +43,11 @@
/* 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;
};
@ -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 @@ static __be32 decode_rc_list(struct xdr_stream *xdr,
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 @@ static __be32 decode_cb_sequence_args(struct svc_rqst *rqstp,
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;
@ -938,48 +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 */