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[PATCH] fs/nfs/callback* passes error values big-endian 

[pulled from Alexey's patch]

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Trond Myklebust <trond.myklebust@fys.uio.no>
Acked-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Al Viro 2006-10-19 23:28:50 -07:00 committed by Linus Torvalds
parent 0dbb4c6799
commit e6f684f644
3 changed files with 36 additions and 36 deletions
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6
fs/nfs/callback.h
View File

@ -44,7 +44,7 @@ struct cb_getattrargs {
}; };
struct cb_getattrres { struct cb_getattrres {
uint32_t status; __be32 status;
uint32_t bitmap[2]; uint32_t bitmap[2];
uint64_t size; uint64_t size;
uint64_t change_attr; uint64_t change_attr;
@ -59,8 +59,8 @@ struct cb_recallargs {
uint32_t truncate; uint32_t truncate;
}; };
extern unsigned nfs4_callback_getattr(struct cb_getattrargs *args, struct cb_getattrres *res); extern __be32 nfs4_callback_getattr(struct cb_getattrargs *args, struct cb_getattrres *res);
extern unsigned nfs4_callback_recall(struct cb_recallargs *args, void *dummy); extern __be32 nfs4_callback_recall(struct cb_recallargs *args, void *dummy);
#ifdef CONFIG_NFS_V4 #ifdef CONFIG_NFS_V4
extern int nfs_callback_up(void); extern int nfs_callback_up(void);

6
fs/nfs/callback_proc.c
View File

@ -14,7 +14,7 @@
#define NFSDBG_FACILITY NFSDBG_CALLBACK #define NFSDBG_FACILITY NFSDBG_CALLBACK
unsigned nfs4_callback_getattr(struct cb_getattrargs *args, struct cb_getattrres *res) __be32 nfs4_callback_getattr(struct cb_getattrargs *args, struct cb_getattrres *res)
{ {
struct nfs_client *clp; struct nfs_client *clp;
struct nfs_delegation *delegation; struct nfs_delegation *delegation;
@ -55,11 +55,11 @@ out:
return res->status; return res->status;
} }
unsigned nfs4_callback_recall(struct cb_recallargs *args, void *dummy) __be32 nfs4_callback_recall(struct cb_recallargs *args, void *dummy)
{ {
struct nfs_client *clp; struct nfs_client *clp;
struct inode *inode; struct inode *inode;
unsigned res; __be32 res;
res = htonl(NFS4ERR_BADHANDLE); res = htonl(NFS4ERR_BADHANDLE);
clp = nfs_find_client(args->addr, 4); clp = nfs_find_client(args->addr, 4);

60
fs/nfs/callback_xdr.c
View File

@ -22,9 +22,9 @@
#define NFSDBG_FACILITY NFSDBG_CALLBACK #define NFSDBG_FACILITY NFSDBG_CALLBACK
typedef unsigned (*callback_process_op_t)(void *, void *); typedef __be32 (*callback_process_op_t)(void *, void *);
typedef unsigned (*callback_decode_arg_t)(struct svc_rqst *, struct xdr_stream *, void *); typedef __be32 (*callback_decode_arg_t)(struct svc_rqst *, struct xdr_stream *, void *);
typedef unsigned (*callback_encode_res_t)(struct svc_rqst *, struct xdr_stream *, void *); typedef __be32 (*callback_encode_res_t)(struct svc_rqst *, struct xdr_stream *, void *);
struct callback_op { struct callback_op {
@ -61,7 +61,7 @@ static uint32_t *read_buf(struct xdr_stream *xdr, int nbytes)
return p; return p;
} }
static unsigned decode_string(struct xdr_stream *xdr, unsigned int *len, const char **str) static __be32 decode_string(struct xdr_stream *xdr, unsigned int *len, const char **str)
{ {
uint32_t *p; uint32_t *p;
@ -81,7 +81,7 @@ static unsigned decode_string(struct xdr_stream *xdr, unsigned int *len, const c
return 0; return 0;
} }
static unsigned decode_fh(struct xdr_stream *xdr, struct nfs_fh *fh) static __be32 decode_fh(struct xdr_stream *xdr, struct nfs_fh *fh)
{ {
uint32_t *p; uint32_t *p;
@ -99,7 +99,7 @@ static unsigned decode_fh(struct xdr_stream *xdr, struct nfs_fh *fh)
return 0; return 0;
} }
static unsigned decode_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) static __be32 decode_bitmap(struct xdr_stream *xdr, uint32_t *bitmap)
{ {
uint32_t *p; uint32_t *p;
unsigned int attrlen; unsigned int attrlen;
@ -118,7 +118,7 @@ static unsigned decode_bitmap(struct xdr_stream *xdr, uint32_t *bitmap)
return 0; return 0;
} }
static unsigned decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) static __be32 decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid)
{ {
uint32_t *p; uint32_t *p;
@ -129,11 +129,11 @@ static unsigned decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid)
return 0; return 0;
} }
static unsigned decode_compound_hdr_arg(struct xdr_stream *xdr, struct cb_compound_hdr_arg *hdr) static __be32 decode_compound_hdr_arg(struct xdr_stream *xdr, struct cb_compound_hdr_arg *hdr)
{ {
uint32_t *p; uint32_t *p;
unsigned int minor_version; unsigned int minor_version;
unsigned status; __be32 status;
status = decode_string(xdr, &hdr->taglen, &hdr->tag); status = decode_string(xdr, &hdr->taglen, &hdr->tag);
if (unlikely(status != 0)) if (unlikely(status != 0))
@ -159,7 +159,7 @@ static unsigned decode_compound_hdr_arg(struct xdr_stream *xdr, struct cb_compou
return 0; return 0;
} }
static unsigned decode_op_hdr(struct xdr_stream *xdr, unsigned int *op) static __be32 decode_op_hdr(struct xdr_stream *xdr, unsigned int *op)
{ {
uint32_t *p; uint32_t *p;
p = read_buf(xdr, 4); p = read_buf(xdr, 4);
@ -169,9 +169,9 @@ static unsigned decode_op_hdr(struct xdr_stream *xdr, unsigned int *op)
return 0; return 0;
} }
static unsigned 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, struct cb_getattrargs *args)
{ {
unsigned status; __be32 status;
status = decode_fh(xdr, &args->fh); status = decode_fh(xdr, &args->fh);
if (unlikely(status != 0)) if (unlikely(status != 0))
@ -183,10 +183,10 @@ out:
return status; return status;
} }
static unsigned 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, struct cb_recallargs *args)
{ {
uint32_t *p; uint32_t *p;
unsigned status; __be32 status;
args->addr = &rqstp->rq_addr; args->addr = &rqstp->rq_addr;
status = decode_stateid(xdr, &args->stateid); status = decode_stateid(xdr, &args->stateid);
@ -204,7 +204,7 @@ out:
return status; return status;
} }
static unsigned encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) static __be32 encode_string(struct xdr_stream *xdr, unsigned int len, const char *str)
{ {
uint32_t *p; uint32_t *p;
@ -217,7 +217,7 @@ static unsigned encode_string(struct xdr_stream *xdr, unsigned int len, const ch
#define CB_SUPPORTED_ATTR0 (FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE) #define CB_SUPPORTED_ATTR0 (FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE)
#define CB_SUPPORTED_ATTR1 (FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY) #define CB_SUPPORTED_ATTR1 (FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY)
static unsigned encode_attr_bitmap(struct xdr_stream *xdr, const uint32_t *bitmap, uint32_t **savep) static __be32 encode_attr_bitmap(struct xdr_stream *xdr, const uint32_t *bitmap, uint32_t **savep)
{ {
uint32_t bm[2]; uint32_t bm[2];
uint32_t *p; uint32_t *p;
@ -247,7 +247,7 @@ static unsigned encode_attr_bitmap(struct xdr_stream *xdr, const uint32_t *bitma
return 0; return 0;
} }
static unsigned encode_attr_change(struct xdr_stream *xdr, const uint32_t *bitmap, uint64_t change) static __be32 encode_attr_change(struct xdr_stream *xdr, const uint32_t *bitmap, uint64_t change)
{ {
uint32_t *p; uint32_t *p;
@ -260,7 +260,7 @@ static unsigned encode_attr_change(struct xdr_stream *xdr, const uint32_t *bitma
return 0; return 0;
} }
static unsigned encode_attr_size(struct xdr_stream *xdr, const uint32_t *bitmap, uint64_t size) static __be32 encode_attr_size(struct xdr_stream *xdr, const uint32_t *bitmap, uint64_t size)
{ {
uint32_t *p; uint32_t *p;
@ -273,7 +273,7 @@ static unsigned encode_attr_size(struct xdr_stream *xdr, const uint32_t *bitmap,
return 0; return 0;
} }
static unsigned encode_attr_time(struct xdr_stream *xdr, const struct timespec *time) static __be32 encode_attr_time(struct xdr_stream *xdr, const struct timespec *time)
{ {
uint32_t *p; uint32_t *p;
@ -285,23 +285,23 @@ static unsigned encode_attr_time(struct xdr_stream *xdr, const struct timespec *
return 0; return 0;
} }
static unsigned encode_attr_ctime(struct xdr_stream *xdr, const uint32_t *bitmap, const struct timespec *time) static __be32 encode_attr_ctime(struct xdr_stream *xdr, const uint32_t *bitmap, const struct timespec *time)
{ {
if (!(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) if (!(bitmap[1] & FATTR4_WORD1_TIME_METADATA))
return 0; return 0;
return encode_attr_time(xdr,time); return encode_attr_time(xdr,time);
} }
static unsigned encode_attr_mtime(struct xdr_stream *xdr, const uint32_t *bitmap, const struct timespec *time) static __be32 encode_attr_mtime(struct xdr_stream *xdr, const uint32_t *bitmap, const struct timespec *time)
{ {
if (!(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) if (!(bitmap[1] & FATTR4_WORD1_TIME_MODIFY))
return 0; return 0;
return encode_attr_time(xdr,time); return encode_attr_time(xdr,time);
} }
static unsigned encode_compound_hdr_res(struct xdr_stream *xdr, struct cb_compound_hdr_res *hdr) static __be32 encode_compound_hdr_res(struct xdr_stream *xdr, struct cb_compound_hdr_res *hdr)
{ {
unsigned status; __be32 status;
hdr->status = xdr_reserve_space(xdr, 4); hdr->status = xdr_reserve_space(xdr, 4);
if (unlikely(hdr->status == NULL)) if (unlikely(hdr->status == NULL))
@ -315,7 +315,7 @@ static unsigned encode_compound_hdr_res(struct xdr_stream *xdr, struct cb_compou
return 0; return 0;
} }
static unsigned encode_op_hdr(struct xdr_stream *xdr, uint32_t op, uint32_t res) static __be32 encode_op_hdr(struct xdr_stream *xdr, uint32_t op, __be32 res)
{ {
uint32_t *p; uint32_t *p;
@ -327,10 +327,10 @@ static unsigned encode_op_hdr(struct xdr_stream *xdr, uint32_t op, uint32_t res)
return 0; return 0;
} }
static unsigned 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 struct cb_getattrres *res)
{ {
uint32_t *savep = NULL; uint32_t *savep = NULL;
unsigned status = res->status; __be32 status = res->status;
if (unlikely(status != 0)) if (unlikely(status != 0))
goto out; goto out;
@ -353,15 +353,15 @@ out:
return status; return status;
} }
static unsigned process_op(struct svc_rqst *rqstp, static __be32 process_op(struct svc_rqst *rqstp,
struct xdr_stream *xdr_in, void *argp, struct xdr_stream *xdr_in, void *argp,
struct xdr_stream *xdr_out, void *resp) struct xdr_stream *xdr_out, void *resp)
{ {
struct callback_op *op = &callback_ops[0]; struct callback_op *op = &callback_ops[0];
unsigned int op_nr = OP_CB_ILLEGAL; unsigned int op_nr = OP_CB_ILLEGAL;
unsigned int status = 0; __be32 status = 0;
long maxlen; long maxlen;
unsigned res; __be32 res;
dprintk("%s: start\n", __FUNCTION__); dprintk("%s: start\n", __FUNCTION__);
status = decode_op_hdr(xdr_in, &op_nr); status = decode_op_hdr(xdr_in, &op_nr);
@ -405,7 +405,7 @@ static __be32 nfs4_callback_compound(struct svc_rqst *rqstp, void *argp, void *r
struct cb_compound_hdr_res hdr_res; struct cb_compound_hdr_res hdr_res;
struct xdr_stream xdr_in, xdr_out; struct xdr_stream xdr_in, xdr_out;
uint32_t *p; uint32_t *p;
unsigned int status; __be32 status;
unsigned int nops = 1; unsigned int nops = 1;
dprintk("%s: start\n", __FUNCTION__); dprintk("%s: start\n", __FUNCTION__);