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Diffstat (limited to 'fs/nfs/nfs3xdr.c')
-rw-r--r--fs/nfs/nfs3xdr.c513
1 files changed, 197 insertions, 316 deletions
diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c
index 78df4eb60f85..e17d72908412 100644
--- a/fs/nfs/nfs3xdr.c
+++ b/fs/nfs/nfs3xdr.c
@@ -21,19 +21,21 @@
#include <linux/nfs3.h>
#include <linux/nfs_fs.h>
#include <linux/nfsacl.h>
+#include <linux/nfs_common.h>
+
#include "internal.h"
+#include "nfstrace.h"
#define NFSDBG_FACILITY NFSDBG_XDR
-/* Mapping from NFS error code to "errno" error code. */
-#define errno_NFSERR_IO EIO
-
/*
* Declare the space requirements for NFS arguments and replies as
* number of 32bit-words
*/
+#define NFS3_pagepad_sz (1) /* Page padding */
#define NFS3_fhandle_sz (1+16)
#define NFS3_fh_sz (NFS3_fhandle_sz) /* shorthand */
+#define NFS3_post_op_fh_sz (1+NFS3_fh_sz)
#define NFS3_sattr_sz (15)
#define NFS3_filename_sz (1+(NFS3_MAXNAMLEN>>2))
#define NFS3_path_sz (1+(NFS3_MAXPATHLEN>>2))
@@ -68,13 +70,13 @@
#define NFS3_removeres_sz (NFS3_setattrres_sz)
#define NFS3_lookupres_sz (1+NFS3_fh_sz+(2 * NFS3_post_op_attr_sz))
#define NFS3_accessres_sz (1+NFS3_post_op_attr_sz+1)
-#define NFS3_readlinkres_sz (1+NFS3_post_op_attr_sz+1)
-#define NFS3_readres_sz (1+NFS3_post_op_attr_sz+3)
+#define NFS3_readlinkres_sz (1+NFS3_post_op_attr_sz+1+NFS3_pagepad_sz)
+#define NFS3_readres_sz (1+NFS3_post_op_attr_sz+3+NFS3_pagepad_sz)
#define NFS3_writeres_sz (1+NFS3_wcc_data_sz+4)
-#define NFS3_createres_sz (1+NFS3_fh_sz+NFS3_post_op_attr_sz+NFS3_wcc_data_sz)
+#define NFS3_createres_sz (1+NFS3_post_op_fh_sz+NFS3_post_op_attr_sz+NFS3_wcc_data_sz)
#define NFS3_renameres_sz (1+(2 * NFS3_wcc_data_sz))
#define NFS3_linkres_sz (1+NFS3_post_op_attr_sz+NFS3_wcc_data_sz)
-#define NFS3_readdirres_sz (1+NFS3_post_op_attr_sz+2)
+#define NFS3_readdirres_sz (1+NFS3_post_op_attr_sz+2+NFS3_pagepad_sz)
#define NFS3_fsstatres_sz (1+NFS3_post_op_attr_sz+13)
#define NFS3_fsinfores_sz (1+NFS3_post_op_attr_sz+12)
#define NFS3_pathconfres_sz (1+NFS3_post_op_attr_sz+6)
@@ -84,11 +86,10 @@
#define ACL3_setaclargs_sz (NFS3_fh_sz+1+ \
XDR_QUADLEN(NFS_ACL_INLINE_BUFSIZE))
#define ACL3_getaclres_sz (1+NFS3_post_op_attr_sz+1+ \
- XDR_QUADLEN(NFS_ACL_INLINE_BUFSIZE))
+ XDR_QUADLEN(NFS_ACL_INLINE_BUFSIZE)+\
+ NFS3_pagepad_sz)
#define ACL3_setaclres_sz (1+NFS3_post_op_attr_sz)
-static int nfs3_stat_to_errno(enum nfs_stat);
-
/*
* Map file type to S_IFMT bits
*/
@@ -103,32 +104,20 @@ static const umode_t nfs_type2fmt[] = {
[NF3FIFO] = S_IFIFO,
};
-/*
- * While encoding arguments, set up the reply buffer in advance to
- * receive reply data directly into the page cache.
- */
-static void prepare_reply_buffer(struct rpc_rqst *req, struct page **pages,
- unsigned int base, unsigned int len,
- unsigned int bufsize)
+static struct user_namespace *rpc_userns(const struct rpc_clnt *clnt)
{
- struct rpc_auth *auth = req->rq_cred->cr_auth;
- unsigned int replen;
-
- replen = RPC_REPHDRSIZE + auth->au_rslack + bufsize;
- xdr_inline_pages(&req->rq_rcv_buf, replen << 2, pages, base, len);
+ if (clnt && clnt->cl_cred)
+ return clnt->cl_cred->user_ns;
+ return &init_user_ns;
}
-/*
- * Handle decode buffer overflows out-of-line.
- */
-static void print_overflow_msg(const char *func, const struct xdr_stream *xdr)
+static struct user_namespace *rpc_rqst_userns(const struct rpc_rqst *rqstp)
{
- dprintk("NFS: %s prematurely hit the end of our receive buffer. "
- "Remaining buffer length is %tu words.\n",
- func, xdr->end - xdr->p);
+ if (rqstp->rq_task)
+ return rpc_userns(rqstp->rq_task->tk_client);
+ return &init_user_ns;
}
-
/*
* Encode/decode NFSv3 basic data types
*
@@ -151,13 +140,10 @@ static int decode_uint32(struct xdr_stream *xdr, u32 *value)
__be32 *p;
p = xdr_inline_decode(xdr, 4);
- if (unlikely(p == NULL))
- goto out_overflow;
+ if (unlikely(!p))
+ return -EIO;
*value = be32_to_cpup(p);
return 0;
-out_overflow:
- print_overflow_msg(__func__, xdr);
- return -EIO;
}
static int decode_uint64(struct xdr_stream *xdr, u64 *value)
@@ -165,13 +151,10 @@ static int decode_uint64(struct xdr_stream *xdr, u64 *value)
__be32 *p;
p = xdr_inline_decode(xdr, 8);
- if (unlikely(p == NULL))
- goto out_overflow;
+ if (unlikely(!p))
+ return -EIO;
xdr_decode_hyper(p, value);
return 0;
-out_overflow:
- print_overflow_msg(__func__, xdr);
- return -EIO;
}
/*
@@ -211,14 +194,14 @@ static int decode_inline_filename3(struct xdr_stream *xdr,
u32 count;
p = xdr_inline_decode(xdr, 4);
- if (unlikely(p == NULL))
- goto out_overflow;
+ if (unlikely(!p))
+ return -EIO;
count = be32_to_cpup(p);
if (count > NFS3_MAXNAMLEN)
goto out_nametoolong;
p = xdr_inline_decode(xdr, count);
- if (unlikely(p == NULL))
- goto out_overflow;
+ if (unlikely(!p))
+ return -EIO;
*name = (const char *)p;
*length = count;
return 0;
@@ -226,9 +209,6 @@ static int decode_inline_filename3(struct xdr_stream *xdr,
out_nametoolong:
dprintk("NFS: returned filename too long: %u\n", count);
return -ENAMETOOLONG;
-out_overflow:
- print_overflow_msg(__func__, xdr);
- return -EIO;
}
/*
@@ -249,8 +229,8 @@ static int decode_nfspath3(struct xdr_stream *xdr)
__be32 *p;
p = xdr_inline_decode(xdr, 4);
- if (unlikely(p == NULL))
- goto out_overflow;
+ if (unlikely(!p))
+ return -EIO;
count = be32_to_cpup(p);
if (unlikely(count >= xdr->buf->page_len || count > NFS3_MAXPATHLEN))
goto out_nametoolong;
@@ -267,9 +247,6 @@ out_cheating:
dprintk("NFS: server cheating in pathname result: "
"count %u > recvd %u\n", count, recvd);
return -EIO;
-out_overflow:
- print_overflow_msg(__func__, xdr);
- return -EIO;
}
/*
@@ -303,13 +280,10 @@ static int decode_cookieverf3(struct xdr_stream *xdr, __be32 *verifier)
__be32 *p;
p = xdr_inline_decode(xdr, NFS3_COOKIEVERFSIZE);
- if (unlikely(p == NULL))
- goto out_overflow;
+ if (unlikely(!p))
+ return -EIO;
memcpy(verifier, p, NFS3_COOKIEVERFSIZE);
return 0;
-out_overflow:
- print_overflow_msg(__func__, xdr);
- return -EIO;
}
/*
@@ -330,13 +304,10 @@ static int decode_writeverf3(struct xdr_stream *xdr, struct nfs_write_verifier *
__be32 *p;
p = xdr_inline_decode(xdr, NFS3_WRITEVERFSIZE);
- if (unlikely(p == NULL))
- goto out_overflow;
+ if (unlikely(!p))
+ return -EIO;
memcpy(verifier->data, p, NFS3_WRITEVERFSIZE);
return 0;
-out_overflow:
- print_overflow_msg(__func__, xdr);
- return -EIO;
}
/*
@@ -364,13 +335,16 @@ static int decode_nfsstat3(struct xdr_stream *xdr, enum nfs_stat *status)
__be32 *p;
p = xdr_inline_decode(xdr, 4);
- if (unlikely(p == NULL))
- goto out_overflow;
+ if (unlikely(!p))
+ return -EIO;
+ if (unlikely(*p != cpu_to_be32(NFS3_OK)))
+ goto out_status;
+ *status = 0;
+ return 0;
+out_status:
*status = be32_to_cpup(p);
+ trace_nfs_xdr_status(xdr, (int)*status);
return 0;
-out_overflow:
- print_overflow_msg(__func__, xdr);
- return -EIO;
}
/*
@@ -453,23 +427,20 @@ static int decode_nfs_fh3(struct xdr_stream *xdr, struct nfs_fh *fh)
__be32 *p;
p = xdr_inline_decode(xdr, 4);
- if (unlikely(p == NULL))
- goto out_overflow;
+ if (unlikely(!p))
+ return -EIO;
length = be32_to_cpup(p++);
- if (unlikely(length > NFS3_FHSIZE))
+ if (unlikely(length > NFS3_FHSIZE || length == 0))
goto out_toobig;
p = xdr_inline_decode(xdr, length);
- if (unlikely(p == NULL))
- goto out_overflow;
+ if (unlikely(!p))
+ return -EIO;
fh->size = length;
memcpy(fh->data, p, length);
return 0;
out_toobig:
- dprintk("NFS: file handle size (%u) too big\n", length);
+ trace_nfs_xdr_bad_filehandle(xdr, NFSERR_BADHANDLE);
return -E2BIG;
-out_overflow:
- print_overflow_msg(__func__, xdr);
- return -EIO;
}
static void zero_nfs_fh3(struct nfs_fh *fh)
@@ -485,14 +456,14 @@ static void zero_nfs_fh3(struct nfs_fh *fh)
* uint32 nseconds;
* };
*/
-static __be32 *xdr_encode_nfstime3(__be32 *p, const struct timespec *timep)
+static __be32 *xdr_encode_nfstime3(__be32 *p, const struct timespec64 *timep)
{
- *p++ = cpu_to_be32(timep->tv_sec);
+ *p++ = cpu_to_be32((u32)timep->tv_sec);
*p++ = cpu_to_be32(timep->tv_nsec);
return p;
}
-static __be32 *xdr_decode_nfstime3(__be32 *p, struct timespec *timep)
+static __be32 *xdr_decode_nfstime3(__be32 *p, struct timespec64 *timep)
{
timep->tv_sec = be32_to_cpup(p++);
timep->tv_nsec = be32_to_cpup(p++);
@@ -559,9 +530,9 @@ static __be32 *xdr_decode_nfstime3(__be32 *p, struct timespec *timep)
* set_mtime mtime;
* };
*/
-static void encode_sattr3(struct xdr_stream *xdr, const struct iattr *attr)
+static void encode_sattr3(struct xdr_stream *xdr, const struct iattr *attr,
+ struct user_namespace *userns)
{
- struct timespec ts;
u32 nbytes;
__be32 *p;
@@ -594,13 +565,13 @@ static void encode_sattr3(struct xdr_stream *xdr, const struct iattr *attr)
if (attr->ia_valid & ATTR_UID) {
*p++ = xdr_one;
- *p++ = cpu_to_be32(from_kuid(&init_user_ns, attr->ia_uid));
+ *p++ = cpu_to_be32(from_kuid_munged(userns, attr->ia_uid));
} else
*p++ = xdr_zero;
if (attr->ia_valid & ATTR_GID) {
*p++ = xdr_one;
- *p++ = cpu_to_be32(from_kgid(&init_user_ns, attr->ia_gid));
+ *p++ = cpu_to_be32(from_kgid_munged(userns, attr->ia_gid));
} else
*p++ = xdr_zero;
@@ -611,10 +582,8 @@ static void encode_sattr3(struct xdr_stream *xdr, const struct iattr *attr)
*p++ = xdr_zero;
if (attr->ia_valid & ATTR_ATIME_SET) {
- struct timespec ts;
*p++ = xdr_two;
- ts = timespec64_to_timespec(attr->ia_atime);
- p = xdr_encode_nfstime3(p, &ts);
+ p = xdr_encode_nfstime3(p, &attr->ia_atime);
} else if (attr->ia_valid & ATTR_ATIME) {
*p++ = xdr_one;
} else
@@ -622,8 +591,7 @@ static void encode_sattr3(struct xdr_stream *xdr, const struct iattr *attr)
if (attr->ia_valid & ATTR_MTIME_SET) {
*p++ = xdr_two;
- ts = timespec64_to_timespec(attr->ia_mtime);
- xdr_encode_nfstime3(p, &ts);
+ xdr_encode_nfstime3(p, &attr->ia_mtime);
} else if (attr->ia_valid & ATTR_MTIME) {
*p = xdr_one;
} else
@@ -649,23 +617,24 @@ static void encode_sattr3(struct xdr_stream *xdr, const struct iattr *attr)
* nfstime3 ctime;
* };
*/
-static int decode_fattr3(struct xdr_stream *xdr, struct nfs_fattr *fattr)
+static int decode_fattr3(struct xdr_stream *xdr, struct nfs_fattr *fattr,
+ struct user_namespace *userns)
{
umode_t fmode;
__be32 *p;
p = xdr_inline_decode(xdr, NFS3_fattr_sz << 2);
- if (unlikely(p == NULL))
- goto out_overflow;
+ if (unlikely(!p))
+ return -EIO;
p = xdr_decode_ftype3(p, &fmode);
fattr->mode = (be32_to_cpup(p++) & ~S_IFMT) | fmode;
fattr->nlink = be32_to_cpup(p++);
- fattr->uid = make_kuid(&init_user_ns, be32_to_cpup(p++));
+ fattr->uid = make_kuid(userns, be32_to_cpup(p++));
if (!uid_valid(fattr->uid))
goto out_uid;
- fattr->gid = make_kgid(&init_user_ns, be32_to_cpup(p++));
+ fattr->gid = make_kgid(userns, be32_to_cpup(p++));
if (!gid_valid(fattr->gid))
goto out_gid;
@@ -690,9 +659,6 @@ out_uid:
out_gid:
dprintk("NFS: returned invalid gid\n");
return -EINVAL;
-out_overflow:
- print_overflow_msg(__func__, xdr);
- return -EIO;
}
/*
@@ -705,19 +671,17 @@ out_overflow:
* void;
* };
*/
-static int decode_post_op_attr(struct xdr_stream *xdr, struct nfs_fattr *fattr)
+static int decode_post_op_attr(struct xdr_stream *xdr, struct nfs_fattr *fattr,
+ struct user_namespace *userns)
{
__be32 *p;
p = xdr_inline_decode(xdr, 4);
- if (unlikely(p == NULL))
- goto out_overflow;
+ if (unlikely(!p))
+ return -EIO;
if (*p != xdr_zero)
- return decode_fattr3(xdr, fattr);
+ return decode_fattr3(xdr, fattr, userns);
return 0;
-out_overflow:
- print_overflow_msg(__func__, xdr);
- return -EIO;
}
/*
@@ -733,8 +697,8 @@ static int decode_wcc_attr(struct xdr_stream *xdr, struct nfs_fattr *fattr)
__be32 *p;
p = xdr_inline_decode(xdr, NFS3_wcc_attr_sz << 2);
- if (unlikely(p == NULL))
- goto out_overflow;
+ if (unlikely(!p))
+ return -EIO;
fattr->valid |= NFS_ATTR_FATTR_PRESIZE
| NFS_ATTR_FATTR_PRECHANGE
@@ -747,9 +711,6 @@ static int decode_wcc_attr(struct xdr_stream *xdr, struct nfs_fattr *fattr)
fattr->pre_change_attr = nfs_timespec_to_change_attr(&fattr->pre_ctime);
return 0;
-out_overflow:
- print_overflow_msg(__func__, xdr);
- return -EIO;
}
/*
@@ -773,24 +734,22 @@ static int decode_pre_op_attr(struct xdr_stream *xdr, struct nfs_fattr *fattr)
__be32 *p;
p = xdr_inline_decode(xdr, 4);
- if (unlikely(p == NULL))
- goto out_overflow;
+ if (unlikely(!p))
+ return -EIO;
if (*p != xdr_zero)
return decode_wcc_attr(xdr, fattr);
return 0;
-out_overflow:
- print_overflow_msg(__func__, xdr);
- return -EIO;
}
-static int decode_wcc_data(struct xdr_stream *xdr, struct nfs_fattr *fattr)
+static int decode_wcc_data(struct xdr_stream *xdr, struct nfs_fattr *fattr,
+ struct user_namespace *userns)
{
int error;
error = decode_pre_op_attr(xdr, fattr);
if (unlikely(error))
goto out;
- error = decode_post_op_attr(xdr, fattr);
+ error = decode_post_op_attr(xdr, fattr, userns);
out:
return error;
}
@@ -808,15 +767,12 @@ out:
static int decode_post_op_fh3(struct xdr_stream *xdr, struct nfs_fh *fh)
{
__be32 *p = xdr_inline_decode(xdr, 4);
- if (unlikely(p == NULL))
- goto out_overflow;
+ if (unlikely(!p))
+ return -EIO;
if (*p != xdr_zero)
return decode_nfs_fh3(xdr, fh);
zero_nfs_fh3(fh);
return 0;
-out_overflow:
- print_overflow_msg(__func__, xdr);
- return -EIO;
}
/*
@@ -895,7 +851,7 @@ static void nfs3_xdr_enc_setattr3args(struct rpc_rqst *req,
{
const struct nfs3_sattrargs *args = data;
encode_nfs_fh3(xdr, args->fh);
- encode_sattr3(xdr, args->sattr);
+ encode_sattr3(xdr, args->sattr, rpc_rqst_userns(req));
encode_sattrguard3(xdr, args);
}
@@ -953,8 +909,8 @@ static void nfs3_xdr_enc_readlink3args(struct rpc_rqst *req,
const struct nfs3_readlinkargs *args = data;
encode_nfs_fh3(xdr, args->fh);
- prepare_reply_buffer(req, args->pages, args->pgbase,
- args->pglen, NFS3_readlinkres_sz);
+ rpc_prepare_reply_pages(req, args->pages, args->pgbase, args->pglen,
+ NFS3_readlinkres_sz - NFS3_pagepad_sz);
}
/*
@@ -983,11 +939,12 @@ static void nfs3_xdr_enc_read3args(struct rpc_rqst *req,
const void *data)
{
const struct nfs_pgio_args *args = data;
- unsigned int replen = args->replen ? args->replen : NFS3_readres_sz;
+ unsigned int replen = args->replen ? args->replen :
+ NFS3_readres_sz - NFS3_pagepad_sz;
encode_read3args(xdr, args);
- prepare_reply_buffer(req, args->pages, args->pgbase,
- args->count, replen);
+ rpc_prepare_reply_pages(req, args->pages, args->pgbase,
+ args->count, replen);
req->rq_rcv_buf.flags |= XDRBUF_READ;
}
@@ -1056,13 +1013,14 @@ static void nfs3_xdr_enc_write3args(struct rpc_rqst *req,
* };
*/
static void encode_createhow3(struct xdr_stream *xdr,
- const struct nfs3_createargs *args)
+ const struct nfs3_createargs *args,
+ struct user_namespace *userns)
{
encode_uint32(xdr, args->createmode);
switch (args->createmode) {
case NFS3_CREATE_UNCHECKED:
case NFS3_CREATE_GUARDED:
- encode_sattr3(xdr, args->sattr);
+ encode_sattr3(xdr, args->sattr, userns);
break;
case NFS3_CREATE_EXCLUSIVE:
encode_createverf3(xdr, args->verifier);
@@ -1079,7 +1037,7 @@ static void nfs3_xdr_enc_create3args(struct rpc_rqst *req,
const struct nfs3_createargs *args = data;
encode_diropargs3(xdr, args->fh, args->name, args->len);
- encode_createhow3(xdr, args);
+ encode_createhow3(xdr, args, rpc_rqst_userns(req));
}
/*
@@ -1097,7 +1055,7 @@ static void nfs3_xdr_enc_mkdir3args(struct rpc_rqst *req,
const struct nfs3_mkdirargs *args = data;
encode_diropargs3(xdr, args->fh, args->name, args->len);
- encode_sattr3(xdr, args->sattr);
+ encode_sattr3(xdr, args->sattr, rpc_rqst_userns(req));
}
/*
@@ -1114,11 +1072,12 @@ static void nfs3_xdr_enc_mkdir3args(struct rpc_rqst *req,
* };
*/
static void encode_symlinkdata3(struct xdr_stream *xdr,
- const void *data)
+ const void *data,
+ struct user_namespace *userns)
{
const struct nfs3_symlinkargs *args = data;
- encode_sattr3(xdr, args->sattr);
+ encode_sattr3(xdr, args->sattr, userns);
encode_nfspath3(xdr, args->pages, args->pathlen);
}
@@ -1129,7 +1088,7 @@ static void nfs3_xdr_enc_symlink3args(struct rpc_rqst *req,
const struct nfs3_symlinkargs *args = data;
encode_diropargs3(xdr, args->fromfh, args->fromname, args->fromlen);
- encode_symlinkdata3(xdr, args);
+ encode_symlinkdata3(xdr, args, rpc_rqst_userns(req));
xdr->buf->flags |= XDRBUF_WRITE;
}
@@ -1158,24 +1117,26 @@ static void nfs3_xdr_enc_symlink3args(struct rpc_rqst *req,
* };
*/
static void encode_devicedata3(struct xdr_stream *xdr,
- const struct nfs3_mknodargs *args)
+ const struct nfs3_mknodargs *args,
+ struct user_namespace *userns)
{
- encode_sattr3(xdr, args->sattr);
+ encode_sattr3(xdr, args->sattr, userns);
encode_specdata3(xdr, args->rdev);
}
static void encode_mknoddata3(struct xdr_stream *xdr,
- const struct nfs3_mknodargs *args)
+ const struct nfs3_mknodargs *args,
+ struct user_namespace *userns)
{
encode_ftype3(xdr, args->type);
switch (args->type) {
case NF3CHR:
case NF3BLK:
- encode_devicedata3(xdr, args);
+ encode_devicedata3(xdr, args, userns);
break;
case NF3SOCK:
case NF3FIFO:
- encode_sattr3(xdr, args->sattr);
+ encode_sattr3(xdr, args->sattr, userns);
break;
case NF3REG:
case NF3DIR:
@@ -1192,7 +1153,7 @@ static void nfs3_xdr_enc_mknod3args(struct rpc_rqst *req,
const struct nfs3_mknodargs *args = data;
encode_diropargs3(xdr, args->fh, args->name, args->len);
- encode_mknoddata3(xdr, args);
+ encode_mknoddata3(xdr, args, rpc_rqst_userns(req));
}
/*
@@ -1279,8 +1240,8 @@ static void nfs3_xdr_enc_readdir3args(struct rpc_rqst *req,
const struct nfs3_readdirargs *args = data;
encode_readdir3args(xdr, args);
- prepare_reply_buffer(req, args->pages, 0,
- args->count, NFS3_readdirres_sz);
+ rpc_prepare_reply_pages(req, args->pages, 0, args->count,
+ NFS3_readdirres_sz - NFS3_pagepad_sz);
}
/*
@@ -1297,6 +1258,8 @@ static void nfs3_xdr_enc_readdir3args(struct rpc_rqst *req,
static void encode_readdirplus3args(struct xdr_stream *xdr,
const struct nfs3_readdirargs *args)
{
+ uint32_t dircount = args->count;
+ uint32_t maxcount = args->count;
__be32 *p;
encode_nfs_fh3(xdr, args->fh);
@@ -1309,9 +1272,8 @@ static void encode_readdirplus3args(struct xdr_stream *xdr,
* readdirplus: need dircount + buffer size.
* We just make sure we make dircount big enough
*/
- *p++ = cpu_to_be32(args->count >> 3);
-
- *p = cpu_to_be32(args->count);
+ *p++ = cpu_to_be32(dircount);
+ *p = cpu_to_be32(maxcount);
}
static void nfs3_xdr_enc_readdirplus3args(struct rpc_rqst *req,
@@ -1321,8 +1283,8 @@ static void nfs3_xdr_enc_readdirplus3args(struct rpc_rqst *req,
const struct nfs3_readdirargs *args = data;
encode_readdirplus3args(xdr, args);
- prepare_reply_buffer(req, args->pages, 0,
- args->count, NFS3_readdirres_sz);
+ rpc_prepare_reply_pages(req, args->pages, 0, args->count,
+ NFS3_readdirres_sz - NFS3_pagepad_sz);
}
/*
@@ -1366,9 +1328,9 @@ static void nfs3_xdr_enc_getacl3args(struct rpc_rqst *req,
encode_nfs_fh3(xdr, args->fh);
encode_uint32(xdr, args->mask);
if (args->mask & (NFS_ACL | NFS_DFACL)) {
- prepare_reply_buffer(req, args->pages, 0,
+ rpc_prepare_reply_pages(req, args->pages, 0,
NFSACL_MAXPAGES << PAGE_SHIFT,
- ACL3_getaclres_sz);
+ ACL3_getaclres_sz - NFS3_pagepad_sz);
req->rq_rcv_buf.flags |= XDRBUF_SPARSE_PAGES;
}
}
@@ -1437,11 +1399,11 @@ static int nfs3_xdr_dec_getattr3res(struct rpc_rqst *req,
goto out;
if (status != NFS3_OK)
goto out_default;
- error = decode_fattr3(xdr, result);
+ error = decode_fattr3(xdr, result, rpc_rqst_userns(req));
out:
return error;
out_default:
- return nfs3_stat_to_errno(status);
+ return nfs_stat_to_errno(status);
}
/*
@@ -1472,7 +1434,7 @@ static int nfs3_xdr_dec_setattr3res(struct rpc_rqst *req,
error = decode_nfsstat3(xdr, &status);
if (unlikely(error))
goto out;
- error = decode_wcc_data(xdr, result);
+ error = decode_wcc_data(xdr, result, rpc_rqst_userns(req));
if (unlikely(error))
goto out;
if (status != NFS3_OK)
@@ -1480,7 +1442,7 @@ static int nfs3_xdr_dec_setattr3res(struct rpc_rqst *req,
out:
return error;
out_status:
- return nfs3_stat_to_errno(status);
+ return nfs_stat_to_errno(status);
}
/*
@@ -1507,6 +1469,7 @@ static int nfs3_xdr_dec_lookup3res(struct rpc_rqst *req,
struct xdr_stream *xdr,
void *data)
{
+ struct user_namespace *userns = rpc_rqst_userns(req);
struct nfs3_diropres *result = data;
enum nfs_stat status;
int error;
@@ -1519,17 +1482,17 @@ static int nfs3_xdr_dec_lookup3res(struct rpc_rqst *req,
error = decode_nfs_fh3(xdr, result->fh);
if (unlikely(error))
goto out;
- error = decode_post_op_attr(xdr, result->fattr);
+ error = decode_post_op_attr(xdr, result->fattr, userns);
if (unlikely(error))
goto out;
- error = decode_post_op_attr(xdr, result->dir_attr);
+ error = decode_post_op_attr(xdr, result->dir_attr, userns);
out:
return error;
out_default:
- error = decode_post_op_attr(xdr, result->dir_attr);
+ error = decode_post_op_attr(xdr, result->dir_attr, userns);
if (unlikely(error))
goto out;
- return nfs3_stat_to_errno(status);
+ return nfs_stat_to_errno(status);
}
/*
@@ -1562,7 +1525,7 @@ static int nfs3_xdr_dec_access3res(struct rpc_rqst *req,
error = decode_nfsstat3(xdr, &status);
if (unlikely(error))
goto out;
- error = decode_post_op_attr(xdr, result->fattr);
+ error = decode_post_op_attr(xdr, result->fattr, rpc_rqst_userns(req));
if (unlikely(error))
goto out;
if (status != NFS3_OK)
@@ -1571,7 +1534,7 @@ static int nfs3_xdr_dec_access3res(struct rpc_rqst *req,
out:
return error;
out_default:
- return nfs3_stat_to_errno(status);
+ return nfs_stat_to_errno(status);
}
/*
@@ -1603,7 +1566,7 @@ static int nfs3_xdr_dec_readlink3res(struct rpc_rqst *req,
error = decode_nfsstat3(xdr, &status);
if (unlikely(error))
goto out;
- error = decode_post_op_attr(xdr, result);
+ error = decode_post_op_attr(xdr, result, rpc_rqst_userns(req));
if (unlikely(error))
goto out;
if (status != NFS3_OK)
@@ -1612,7 +1575,7 @@ static int nfs3_xdr_dec_readlink3res(struct rpc_rqst *req,
out:
return error;
out_default:
- return nfs3_stat_to_errno(status);
+ return nfs_stat_to_errno(status);
}
/*
@@ -1643,8 +1606,8 @@ static int decode_read3resok(struct xdr_stream *xdr,
__be32 *p;
p = xdr_inline_decode(xdr, 4 + 4 + 4);
- if (unlikely(p == NULL))
- goto out_overflow;
+ if (unlikely(!p))
+ return -EIO;
count = be32_to_cpup(p++);
eof = be32_to_cpup(p++);
ocount = be32_to_cpup(p++);
@@ -1667,9 +1630,6 @@ out_cheating:
count = recvd;
eof = 0;
goto out;
-out_overflow:
- print_overflow_msg(__func__, xdr);
- return -EIO;
}
static int nfs3_xdr_dec_read3res(struct rpc_rqst *req, struct xdr_stream *xdr,
@@ -1684,7 +1644,7 @@ static int nfs3_xdr_dec_read3res(struct rpc_rqst *req, struct xdr_stream *xdr,
error = decode_nfsstat3(xdr, &status);
if (unlikely(error))
goto out;
- error = decode_post_op_attr(xdr, result->fattr);
+ error = decode_post_op_attr(xdr, result->fattr, rpc_rqst_userns(req));
if (unlikely(error))
goto out;
result->op_status = status;
@@ -1695,7 +1655,7 @@ static int nfs3_xdr_dec_read3res(struct rpc_rqst *req, struct xdr_stream *xdr,
out:
return error;
out_status:
- return nfs3_stat_to_errno(status);
+ return nfs_stat_to_errno(status);
}
/*
@@ -1731,22 +1691,18 @@ static int decode_write3resok(struct xdr_stream *xdr,
__be32 *p;
p = xdr_inline_decode(xdr, 4 + 4);
- if (unlikely(p == NULL))
- goto out_overflow;
+ if (unlikely(!p))
+ return -EIO;
result->count = be32_to_cpup(p++);
result->verf->committed = be32_to_cpup(p++);
if (unlikely(result->verf->committed > NFS_FILE_SYNC))
goto out_badvalue;
if (decode_writeverf3(xdr, &result->verf->verifier))
- goto out_eio;
+ return -EIO;
return result->count;
out_badvalue:
dprintk("NFS: bad stable_how value: %u\n", result->verf->committed);
return -EIO;
-out_overflow:
- print_overflow_msg(__func__, xdr);
-out_eio:
- return -EIO;
}
static int nfs3_xdr_dec_write3res(struct rpc_rqst *req, struct xdr_stream *xdr,
@@ -1759,7 +1715,7 @@ static int nfs3_xdr_dec_write3res(struct rpc_rqst *req, struct xdr_stream *xdr,
error = decode_nfsstat3(xdr, &status);
if (unlikely(error))
goto out;
- error = decode_wcc_data(xdr, result->fattr);
+ error = decode_wcc_data(xdr, result->fattr, rpc_rqst_userns(req));
if (unlikely(error))
goto out;
result->op_status = status;
@@ -1769,7 +1725,7 @@ static int nfs3_xdr_dec_write3res(struct rpc_rqst *req, struct xdr_stream *xdr,
out:
return error;
out_status:
- return nfs3_stat_to_errno(status);
+ return nfs_stat_to_errno(status);
}
/*
@@ -1793,14 +1749,15 @@ out_status:
* };
*/
static int decode_create3resok(struct xdr_stream *xdr,
- struct nfs3_diropres *result)
+ struct nfs3_diropres *result,
+ struct user_namespace *userns)
{
int error;
error = decode_post_op_fh3(xdr, result->fh);
if (unlikely(error))
goto out;
- error = decode_post_op_attr(xdr, result->fattr);
+ error = decode_post_op_attr(xdr, result->fattr, userns);
if (unlikely(error))
goto out;
/* The server isn't required to return a file handle.
@@ -1809,7 +1766,7 @@ static int decode_create3resok(struct xdr_stream *xdr,
* values for the new object. */
if (result->fh->size == 0)
result->fattr->valid = 0;
- error = decode_wcc_data(xdr, result->dir_attr);
+ error = decode_wcc_data(xdr, result->dir_attr, userns);
out:
return error;
}
@@ -1818,6 +1775,7 @@ static int nfs3_xdr_dec_create3res(struct rpc_rqst *req,
struct xdr_stream *xdr,
void *data)
{
+ struct user_namespace *userns = rpc_rqst_userns(req);
struct nfs3_diropres *result = data;
enum nfs_stat status;
int error;
@@ -1827,14 +1785,14 @@ static int nfs3_xdr_dec_create3res(struct rpc_rqst *req,
goto out;
if (status != NFS3_OK)
goto out_default;
- error = decode_create3resok(xdr, result);
+ error = decode_create3resok(xdr, result, userns);
out:
return error;
out_default:
- error = decode_wcc_data(xdr, result->dir_attr);
+ error = decode_wcc_data(xdr, result->dir_attr, userns);
if (unlikely(error))
goto out;
- return nfs3_stat_to_errno(status);
+ return nfs_stat_to_errno(status);
}
/*
@@ -1866,7 +1824,7 @@ static int nfs3_xdr_dec_remove3res(struct rpc_rqst *req,
error = decode_nfsstat3(xdr, &status);
if (unlikely(error))
goto out;
- error = decode_wcc_data(xdr, result->dir_attr);
+ error = decode_wcc_data(xdr, result->dir_attr, rpc_rqst_userns(req));
if (unlikely(error))
goto out;
if (status != NFS3_OK)
@@ -1874,7 +1832,7 @@ static int nfs3_xdr_dec_remove3res(struct rpc_rqst *req,
out:
return error;
out_status:
- return nfs3_stat_to_errno(status);
+ return nfs_stat_to_errno(status);
}
/*
@@ -1901,6 +1859,7 @@ static int nfs3_xdr_dec_rename3res(struct rpc_rqst *req,
struct xdr_stream *xdr,
void *data)
{
+ struct user_namespace *userns = rpc_rqst_userns(req);
struct nfs_renameres *result = data;
enum nfs_stat status;
int error;
@@ -1908,10 +1867,10 @@ static int nfs3_xdr_dec_rename3res(struct rpc_rqst *req,
error = decode_nfsstat3(xdr, &status);
if (unlikely(error))
goto out;
- error = decode_wcc_data(xdr, result->old_fattr);
+ error = decode_wcc_data(xdr, result->old_fattr, userns);
if (unlikely(error))
goto out;
- error = decode_wcc_data(xdr, result->new_fattr);
+ error = decode_wcc_data(xdr, result->new_fattr, userns);
if (unlikely(error))
goto out;
if (status != NFS3_OK)
@@ -1919,7 +1878,7 @@ static int nfs3_xdr_dec_rename3res(struct rpc_rqst *req,
out:
return error;
out_status:
- return nfs3_stat_to_errno(status);
+ return nfs_stat_to_errno(status);
}
/*
@@ -1945,6 +1904,7 @@ out_status:
static int nfs3_xdr_dec_link3res(struct rpc_rqst *req, struct xdr_stream *xdr,
void *data)
{
+ struct user_namespace *userns = rpc_rqst_userns(req);
struct nfs3_linkres *result = data;
enum nfs_stat status;
int error;
@@ -1952,10 +1912,10 @@ static int nfs3_xdr_dec_link3res(struct rpc_rqst *req, struct xdr_stream *xdr,
error = decode_nfsstat3(xdr, &status);
if (unlikely(error))
goto out;
- error = decode_post_op_attr(xdr, result->fattr);
+ error = decode_post_op_attr(xdr, result->fattr, userns);
if (unlikely(error))
goto out;
- error = decode_wcc_data(xdr, result->dir_attr);
+ error = decode_wcc_data(xdr, result->dir_attr, userns);
if (unlikely(error))
goto out;
if (status != NFS3_OK)
@@ -1963,7 +1923,7 @@ static int nfs3_xdr_dec_link3res(struct rpc_rqst *req, struct xdr_stream *xdr,
out:
return error;
out_status:
- return nfs3_stat_to_errno(status);
+ return nfs_stat_to_errno(status);
}
/**
@@ -2004,18 +1964,18 @@ out_status:
int nfs3_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry,
bool plus)
{
- struct nfs_entry old = *entry;
+ struct user_namespace *userns = rpc_userns(entry->server->client);
__be32 *p;
int error;
u64 new_cookie;
p = xdr_inline_decode(xdr, 4);
- if (unlikely(p == NULL))
- goto out_overflow;
+ if (unlikely(!p))
+ return -EAGAIN;
if (*p == xdr_zero) {
p = xdr_inline_decode(xdr, 4);
- if (unlikely(p == NULL))
- goto out_overflow;
+ if (unlikely(!p))
+ return -EAGAIN;
if (*p == xdr_zero)
return -EAGAIN;
entry->eof = 1;
@@ -2024,23 +1984,23 @@ int nfs3_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry,
error = decode_fileid3(xdr, &entry->ino);
if (unlikely(error))
- return error;
+ return -EAGAIN;
error = decode_inline_filename3(xdr, &entry->name, &entry->len);
if (unlikely(error))
- return error;
+ return error == -ENAMETOOLONG ? -ENAMETOOLONG : -EAGAIN;
error = decode_cookie3(xdr, &new_cookie);
if (unlikely(error))
- return error;
+ return -EAGAIN;
entry->d_type = DT_UNKNOWN;
if (plus) {
entry->fattr->valid = 0;
- error = decode_post_op_attr(xdr, entry->fattr);
+ error = decode_post_op_attr(xdr, entry->fattr, userns);
if (unlikely(error))
- return error;
+ return -EAGAIN;
if (entry->fattr->valid & NFS_ATTR_FATTR_V3)
entry->d_type = nfs_umode_to_dtype(entry->fattr->mode);
@@ -2051,31 +2011,19 @@ int nfs3_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry,
/* In fact, a post_op_fh3: */
p = xdr_inline_decode(xdr, 4);
- if (unlikely(p == NULL))
- goto out_overflow;
+ if (unlikely(!p))
+ return -EAGAIN;
if (*p != xdr_zero) {
error = decode_nfs_fh3(xdr, entry->fh);
- if (unlikely(error)) {
- if (error == -E2BIG)
- goto out_truncated;
- return error;
- }
+ if (unlikely(error))
+ return -EAGAIN;
} else
zero_nfs_fh3(entry->fh);
}
- entry->prev_cookie = entry->cookie;
entry->cookie = new_cookie;
return 0;
-
-out_overflow:
- print_overflow_msg(__func__, xdr);
- return -EAGAIN;
-out_truncated:
- dprintk("NFS: directory entry contains invalid file handle\n");
- *entry = old;
- return -EAGAIN;
}
/*
@@ -2113,11 +2061,12 @@ static int decode_dirlist3(struct xdr_stream *xdr)
}
static int decode_readdir3resok(struct xdr_stream *xdr,
- struct nfs3_readdirres *result)
+ struct nfs3_readdirres *result,
+ struct user_namespace *userns)
{
int error;
- error = decode_post_op_attr(xdr, result->dir_attr);
+ error = decode_post_op_attr(xdr, result->dir_attr, userns);
if (unlikely(error))
goto out;
/* XXX: do we need to check if result->verf != NULL ? */
@@ -2142,14 +2091,14 @@ static int nfs3_xdr_dec_readdir3res(struct rpc_rqst *req,
goto out;
if (status != NFS3_OK)
goto out_default;
- error = decode_readdir3resok(xdr, result);
+ error = decode_readdir3resok(xdr, result, rpc_rqst_userns(req));
out:
return error;
out_default:
- error = decode_post_op_attr(xdr, result->dir_attr);
+ error = decode_post_op_attr(xdr, result->dir_attr, rpc_rqst_userns(req));
if (unlikely(error))
goto out;
- return nfs3_stat_to_errno(status);
+ return nfs_stat_to_errno(status);
}
/*
@@ -2183,8 +2132,8 @@ static int decode_fsstat3resok(struct xdr_stream *xdr,
__be32 *p;
p = xdr_inline_decode(xdr, 8 * 6 + 4);
- if (unlikely(p == NULL))
- goto out_overflow;
+ if (unlikely(!p))
+ return -EIO;
p = xdr_decode_size3(p, &result->tbytes);
p = xdr_decode_size3(p, &result->fbytes);
p = xdr_decode_size3(p, &result->abytes);
@@ -2193,9 +2142,6 @@ static int decode_fsstat3resok(struct xdr_stream *xdr,
xdr_decode_size3(p, &result->afiles);
/* ignore invarsec */
return 0;
-out_overflow:
- print_overflow_msg(__func__, xdr);
- return -EIO;
}
static int nfs3_xdr_dec_fsstat3res(struct rpc_rqst *req,
@@ -2209,7 +2155,7 @@ static int nfs3_xdr_dec_fsstat3res(struct rpc_rqst *req,
error = decode_nfsstat3(xdr, &status);
if (unlikely(error))
goto out;
- error = decode_post_op_attr(xdr, result->fattr);
+ error = decode_post_op_attr(xdr, result->fattr, rpc_rqst_userns(req));
if (unlikely(error))
goto out;
if (status != NFS3_OK)
@@ -2218,7 +2164,7 @@ static int nfs3_xdr_dec_fsstat3res(struct rpc_rqst *req,
out:
return error;
out_status:
- return nfs3_stat_to_errno(status);
+ return nfs_stat_to_errno(status);
}
/*
@@ -2255,8 +2201,8 @@ static int decode_fsinfo3resok(struct xdr_stream *xdr,
__be32 *p;
p = xdr_inline_decode(xdr, 4 * 7 + 8 + 8 + 4);
- if (unlikely(p == NULL))
- goto out_overflow;
+ if (unlikely(!p))
+ return -EIO;
result->rtmax = be32_to_cpup(p++);
result->rtpref = be32_to_cpup(p++);
result->rtmult = be32_to_cpup(p++);
@@ -2269,10 +2215,9 @@ static int decode_fsinfo3resok(struct xdr_stream *xdr,
/* ignore properties */
result->lease_time = 0;
+ result->change_attr_type = NFS4_CHANGE_TYPE_IS_UNDEFINED;
+ result->xattr_support = 0;
return 0;
-out_overflow:
- print_overflow_msg(__func__, xdr);
- return -EIO;
}
static int nfs3_xdr_dec_fsinfo3res(struct rpc_rqst *req,
@@ -2286,7 +2231,7 @@ static int nfs3_xdr_dec_fsinfo3res(struct rpc_rqst *req,
error = decode_nfsstat3(xdr, &status);
if (unlikely(error))
goto out;
- error = decode_post_op_attr(xdr, result->fattr);
+ error = decode_post_op_attr(xdr, result->fattr, rpc_rqst_userns(req));
if (unlikely(error))
goto out;
if (status != NFS3_OK)
@@ -2295,7 +2240,7 @@ static int nfs3_xdr_dec_fsinfo3res(struct rpc_rqst *req,
out:
return error;
out_status:
- return nfs3_stat_to_errno(status);
+ return nfs_stat_to_errno(status);
}
/*
@@ -2328,15 +2273,12 @@ static int decode_pathconf3resok(struct xdr_stream *xdr,
__be32 *p;
p = xdr_inline_decode(xdr, 4 * 6);
- if (unlikely(p == NULL))
- goto out_overflow;
+ if (unlikely(!p))
+ return -EIO;
result->max_link = be32_to_cpup(p++);
result->max_namelen = be32_to_cpup(p);
/* ignore remaining fields */
return 0;
-out_overflow:
- print_overflow_msg(__func__, xdr);
- return -EIO;
}
static int nfs3_xdr_dec_pathconf3res(struct rpc_rqst *req,
@@ -2350,7 +2292,7 @@ static int nfs3_xdr_dec_pathconf3res(struct rpc_rqst *req,
error = decode_nfsstat3(xdr, &status);
if (unlikely(error))
goto out;
- error = decode_post_op_attr(xdr, result->fattr);
+ error = decode_post_op_attr(xdr, result->fattr, rpc_rqst_userns(req));
if (unlikely(error))
goto out;
if (status != NFS3_OK)
@@ -2359,7 +2301,7 @@ static int nfs3_xdr_dec_pathconf3res(struct rpc_rqst *req,
out:
return error;
out_status:
- return nfs3_stat_to_errno(status);
+ return nfs_stat_to_errno(status);
}
/*
@@ -2386,36 +2328,40 @@ static int nfs3_xdr_dec_commit3res(struct rpc_rqst *req,
void *data)
{
struct nfs_commitres *result = data;
+ struct nfs_writeverf *verf = result->verf;
enum nfs_stat status;
int error;
error = decode_nfsstat3(xdr, &status);
if (unlikely(error))
goto out;
- error = decode_wcc_data(xdr, result->fattr);
+ error = decode_wcc_data(xdr, result->fattr, rpc_rqst_userns(req));
if (unlikely(error))
goto out;
result->op_status = status;
if (status != NFS3_OK)
goto out_status;
- error = decode_writeverf3(xdr, &result->verf->verifier);
+ error = decode_writeverf3(xdr, &verf->verifier);
+ if (!error)
+ verf->committed = NFS_FILE_SYNC;
out:
return error;
out_status:
- return nfs3_stat_to_errno(status);
+ return nfs_stat_to_errno(status);
}
#ifdef CONFIG_NFS_V3_ACL
static inline int decode_getacl3resok(struct xdr_stream *xdr,
- struct nfs3_getaclres *result)
+ struct nfs3_getaclres *result,
+ struct user_namespace *userns)
{
struct posix_acl **acl;
unsigned int *aclcnt;
size_t hdrlen;
int error;
- error = decode_post_op_attr(xdr, result->fattr);
+ error = decode_post_op_attr(xdr, result->fattr, userns);
if (unlikely(error))
goto out;
error = decode_uint32(xdr, &result->mask);
@@ -2463,11 +2409,11 @@ static int nfs3_xdr_dec_getacl3res(struct rpc_rqst *req,
goto out;
if (status != NFS3_OK)
goto out_default;
- error = decode_getacl3resok(xdr, result);
+ error = decode_getacl3resok(xdr, result, rpc_rqst_userns(req));
out:
return error;
out_default:
- return nfs3_stat_to_errno(status);
+ return nfs_stat_to_errno(status);
}
static int nfs3_xdr_dec_setacl3res(struct rpc_rqst *req,
@@ -2482,80 +2428,15 @@ static int nfs3_xdr_dec_setacl3res(struct rpc_rqst *req,
goto out;
if (status != NFS3_OK)
goto out_default;
- error = decode_post_op_attr(xdr, result);
+ error = decode_post_op_attr(xdr, result, rpc_rqst_userns(req));
out:
return error;
out_default:
- return nfs3_stat_to_errno(status);
+ return nfs_stat_to_errno(status);
}
#endif /* CONFIG_NFS_V3_ACL */
-
-/*
- * We need to translate between nfs status return values and
- * the local errno values which may not be the same.
- */
-static const struct {
- int stat;
- int errno;
-} nfs_errtbl[] = {
- { NFS_OK, 0 },
- { NFSERR_PERM, -EPERM },
- { NFSERR_NOENT, -ENOENT },
- { NFSERR_IO, -errno_NFSERR_IO},
- { NFSERR_NXIO, -ENXIO },
-/* { NFSERR_EAGAIN, -EAGAIN }, */
- { NFSERR_ACCES, -EACCES },
- { NFSERR_EXIST, -EEXIST },
- { NFSERR_XDEV, -EXDEV },
- { NFSERR_NODEV, -ENODEV },
- { NFSERR_NOTDIR, -ENOTDIR },
- { NFSERR_ISDIR, -EISDIR },
- { NFSERR_INVAL, -EINVAL },
- { NFSERR_FBIG, -EFBIG },
- { NFSERR_NOSPC, -ENOSPC },
- { NFSERR_ROFS, -EROFS },
- { NFSERR_MLINK, -EMLINK },
- { NFSERR_NAMETOOLONG, -ENAMETOOLONG },
- { NFSERR_NOTEMPTY, -ENOTEMPTY },
- { NFSERR_DQUOT, -EDQUOT },
- { NFSERR_STALE, -ESTALE },
- { NFSERR_REMOTE, -EREMOTE },
-#ifdef EWFLUSH
- { NFSERR_WFLUSH, -EWFLUSH },
-#endif
- { NFSERR_BADHANDLE, -EBADHANDLE },
- { NFSERR_NOT_SYNC, -ENOTSYNC },
- { NFSERR_BAD_COOKIE, -EBADCOOKIE },
- { NFSERR_NOTSUPP, -ENOTSUPP },
- { NFSERR_TOOSMALL, -ETOOSMALL },
- { NFSERR_SERVERFAULT, -EREMOTEIO },
- { NFSERR_BADTYPE, -EBADTYPE },
- { NFSERR_JUKEBOX, -EJUKEBOX },
- { -1, -EIO }
-};
-
-/**
- * nfs3_stat_to_errno - convert an NFS status code to a local errno
- * @status: NFS status code to convert
- *
- * Returns a local errno value, or -EIO if the NFS status code is
- * not recognized. This function is used jointly by NFSv2 and NFSv3.
- */
-static int nfs3_stat_to_errno(enum nfs_stat status)
-{
- int i;
-
- for (i = 0; nfs_errtbl[i].stat != -1; i++) {
- if (nfs_errtbl[i].stat == (int)status)
- return nfs_errtbl[i].errno;
- }
- dprintk("NFS: Unrecognized nfs status value: %u\n", status);
- return nfs_errtbl[i].errno;
-}
-
-
#define PROC(proc, argtype, restype, timer) \
[NFS3PROC_##proc] = { \
.p_proc = NFS3PROC_##proc, \
generated by cgit (git 2.34.1) at 2025-12-25 05:16:32 +0000