Clean up.
Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
---
fs/nfs/nfs3xdr.c | 181 +++++++++++++++++++++++++++---------------------------
1 files changed, 90 insertions(+), 91 deletions(-)
diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c
index bda8cc3..2126889 100644
--- a/fs/nfs/nfs3xdr.c
+++ b/fs/nfs/nfs3xdr.c
@@ -127,87 +127,6 @@ static void print_overflow_msg(const char *func, const struct xdr_stream *xdr)
/*
- * Common NFS XDR functions as inlines
- */
-static inline __be32 *
-xdr_decode_fhandle(__be32 *p, struct nfs_fh *fh)
-{
- if ((fh->size = ntohl(*p++)) <= NFS3_FHSIZE) {
- memcpy(fh->data, p, fh->size);
- return p + XDR_QUADLEN(fh->size);
- }
- return NULL;
-}
-
-/*
- * Encode/decode time.
- */
-static inline __be32 *
-xdr_decode_time3(__be32 *p, struct timespec *timep)
-{
- timep->tv_sec = ntohl(*p++);
- timep->tv_nsec = ntohl(*p++);
- return p;
-}
-
-static __be32 *
-xdr_decode_fattr(__be32 *p, struct nfs_fattr *fattr)
-{
- unsigned int type, major, minor;
- umode_t fmode;
-
- type = ntohl(*p++);
- if (type > NF3FIFO)
- type = NF3NON;
- fmode = nfs_type2fmt[type];
- fattr->mode = (ntohl(*p++) & ~S_IFMT) | fmode;
- fattr->nlink = ntohl(*p++);
- fattr->uid = ntohl(*p++);
- fattr->gid = ntohl(*p++);
- p = xdr_decode_hyper(p, &fattr->size);
- p = xdr_decode_hyper(p, &fattr->du.nfs3.used);
-
- /* Turn remote device info into Linux-specific dev_t */
- major = ntohl(*p++);
- minor = ntohl(*p++);
- fattr->rdev = MKDEV(major, minor);
- if (MAJOR(fattr->rdev) != major || MINOR(fattr->rdev) != minor)
- fattr->rdev = 0;
-
- p = xdr_decode_hyper(p, &fattr->fsid.major);
- fattr->fsid.minor = 0;
- p = xdr_decode_hyper(p, &fattr->fileid);
- p = xdr_decode_time3(p, &fattr->atime);
- p = xdr_decode_time3(p, &fattr->mtime);
- p = xdr_decode_time3(p, &fattr->ctime);
-
- /* Update the mode bits */
- fattr->valid |= NFS_ATTR_FATTR_V3;
- return p;
-}
-
-static inline __be32 *
-xdr_decode_wcc_attr(__be32 *p, struct nfs_fattr *fattr)
-{
- p = xdr_decode_hyper(p, &fattr->pre_size);
- p = xdr_decode_time3(p, &fattr->pre_mtime);
- p = xdr_decode_time3(p, &fattr->pre_ctime);
- fattr->valid |= NFS_ATTR_FATTR_PRESIZE
- | NFS_ATTR_FATTR_PREMTIME
- | NFS_ATTR_FATTR_PRECTIME;
- return p;
-}
-
-static inline __be32 *
-xdr_decode_post_op_attr(__be32 *p, struct nfs_fattr *fattr)
-{
- if (*p++)
- p = xdr_decode_fattr(p, fattr);
- return p;
-}
-
-
-/*
* Encode/decode NFSv3 basic data types
*
* Basic NFSv3 data types are defined in section 2.5 of RFC 1813:
@@ -417,6 +336,17 @@ static void encode_ftype3(struct xdr_stream *xdr, const u32 type)
encode_uint32(xdr, type);
}
+static __be32 *xdr_decode_ftype3(__be32 *p, umode_t *mode)
+{
+ u32 type;
+
+ type = be32_to_cpup(p++);
+ if (type > NF3FIFO)
+ type = NF3NON;
+ *mode = nfs_type2fmt[type];
+ return p;
+}
+
/*
* specdata3
*
@@ -435,6 +365,18 @@ static void encode_specdata3(struct xdr_stream *xdr, const dev_t rdev)
*p = cpu_to_be32(MINOR(rdev));
}
+static __be32 *xdr_decode_specdata3(__be32 *p, dev_t *rdev)
+{
+ unsigned int major, minor;
+
+ major = be32_to_cpup(p++);
+ minor = be32_to_cpup(p++);
+ *rdev = MKDEV(major, minor);
+ if (MAJOR(*rdev) != major || MINOR(*rdev) != minor)
+ *rdev = 0;
+ return p;
+}
+
/*
* nfs_fh3
*
@@ -452,6 +394,22 @@ static void encode_nfs_fh3(struct xdr_stream *xdr, const struct nfs_fh *fh)
xdr_encode_opaque(p, fh->data, fh->size);
}
+static __be32 *xdr_decode_nfs_fh3(__be32 *p, struct nfs_fh *fh)
+{
+ u32 len;
+
+ len = be32_to_cpup(p++);
+ if (unlikely(len > NFS3_FHSIZE))
+ goto out_toolong;
+ fh->size = len;
+ memcpy(fh->data, p, len);
+ return p + XDR_QUADLEN(fh->size);
+
+out_toolong:
+ dprintk("NFS: file handle length too large: %u\n", len);
+ return NULL;
+}
+
static int decode_nfs_fh3(struct xdr_stream *xdr, struct nfs_fh *fh)
{
u32 length;
@@ -497,6 +455,13 @@ static __be32 *xdr_encode_nfstime3(__be32 *p, const struct timespec *timep)
return p;
}
+static __be32 *xdr_decode_nfstime3(__be32 *p, struct timespec *timep)
+{
+ timep->tv_sec = be32_to_cpup(p++);
+ timep->tv_nsec = be32_to_cpup(p++);
+ return p;
+}
+
/*
* sattr3
*
@@ -644,6 +609,33 @@ static void encode_sattr3(struct xdr_stream *xdr, const struct iattr *attr)
* nfstime3 ctime;
* };
*/
+static __be32 *xdr_decode_fattr(__be32 *p, struct nfs_fattr *fattr)
+{
+ umode_t fmode;
+
+ p = xdr_decode_ftype3(p, &fmode);
+
+ fattr->mode = (be32_to_cpup(p++) & ~S_IFMT) | fmode;
+ fattr->nlink = be32_to_cpup(p++);
+ fattr->uid = be32_to_cpup(p++);
+ fattr->gid = be32_to_cpup(p++);
+
+ p = xdr_decode_hyper(p, &fattr->size); /* size3 */
+ p = xdr_decode_hyper(p, &fattr->du.nfs3.used); /* size3 */
+ p = xdr_decode_specdata3(p, &fattr->rdev);
+
+ p = xdr_decode_hyper(p, &fattr->fsid.major);
+ fattr->fsid.minor = 0;
+
+ p = xdr_decode_hyper(p, &fattr->fileid); /* fileid3 */
+ p = xdr_decode_nfstime3(p, &fattr->atime);
+ p = xdr_decode_nfstime3(p, &fattr->mtime);
+ p = xdr_decode_nfstime3(p, &fattr->ctime);
+
+ fattr->valid |= NFS_ATTR_FATTR_V3;
+ return p;
+}
+
static int decode_fattr3(struct xdr_stream *xdr, struct nfs_fattr *fattr)
{
__be32 *p;
@@ -668,6 +660,13 @@ out_overflow:
* void;
* };
*/
+static __be32 *xdr_decode_post_op_attr(__be32 *p, struct nfs_fattr *fattr)
+{
+ if (*p++ != xdr_zero)
+ p = xdr_decode_fattr(p, fattr);
+ return p;
+}
+
static int decode_post_op_attr(struct xdr_stream *xdr, struct nfs_fattr *fattr)
{
__be32 *p;
@@ -698,7 +697,15 @@ static int decode_wcc_attr(struct xdr_stream *xdr, struct nfs_fattr *fattr)
p = xdr_inline_decode(xdr, NFS3_wcc_attr_sz << 2);
if (unlikely(p == NULL))
goto out_overflow;
- xdr_decode_wcc_attr(p, fattr);
+
+ fattr->valid |= NFS_ATTR_FATTR_PRESIZE
+ | NFS_ATTR_FATTR_PREMTIME
+ | NFS_ATTR_FATTR_PRECTIME;
+
+ p = xdr_decode_size3(p, &fattr->pre_size);
+ p = xdr_decode_nfstime3(p, &fattr->pre_mtime);
+ xdr_decode_nfstime3(p, &fattr->pre_ctime);
+
return 0;
out_overflow:
print_overflow_msg(__func__, xdr);
@@ -706,14 +713,6 @@ out_overflow:
}
/*
- * pre_op_attr
- * union pre_op_attr switch (bool attributes_follow) {
- * case TRUE:
- * wcc_attr attributes;
- * case FALSE:
- * void;
- * };
- *
* wcc_data
*
* struct wcc_data {
@@ -2170,7 +2169,7 @@ __be32 *nfs3_decode_dirent(__be32 *p, struct nfs_entry *entry, int plus)
p = xdr_decode_post_op_attr(p, entry->fattr);
/* In fact, a post_op_fh3: */
if (*p++ != xdr_zero) {
- p = xdr_decode_fhandle(p, entry->fh);
+ p = xdr_decode_nfs_fh3(p, entry->fh);
if (unlikely(p == NULL))
goto out_truncated;
} else
--
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