#define NFSDDBG_FACILITY NFSDDBG_XDR
-static int
-check_filename(char *str, int len, int err)
+/*
+ * As per referral draft, the fsid for a referral MUST be different from the fsid of the containing
+ * directory in order to indicate to the client that a filesystem boundary is present
+ * We use a fixed fsid for a referral
+ */
+#define NFS4_REFERRAL_FSID_MAJOR 0x8000000ULL
+#define NFS4_REFERRAL_FSID_MINOR 0x8000000ULL
+
+static __be32
+check_filename(char *str, int len, __be32 err)
{
int i;
* consistent with the style used in NFSv2/v3...
*/
#define DECODE_HEAD \
- u32 *p; \
- int status
+ __be32 *p; \
+ __be32 status
#define DECODE_TAIL \
status = 0; \
out: \
} \
} while (0)
-static u32 *read_buf(struct nfsd4_compoundargs *argp, int nbytes)
+static __be32 *read_buf(struct nfsd4_compoundargs *argp, int nbytes)
{
/* We want more bytes than seem to be available.
* Maybe we need a new page, maybe we have just run out
*/
int avail = (char*)argp->end - (char*)argp->p;
- u32 *p;
+ __be32 *p;
if (avail + argp->pagelen < nbytes)
return NULL;
if (avail + PAGE_SIZE < nbytes) /* need more than a page !! */
return 0;
}
-static char *savemem(struct nfsd4_compoundargs *argp, u32 *p, int nbytes)
+static char *savemem(struct nfsd4_compoundargs *argp, __be32 *p, int nbytes)
{
void *new = NULL;
if (p == argp->tmp) {
p = new;
memcpy(p, argp->tmp, nbytes);
} else {
- if (p != argp->tmpp)
- BUG();
+ BUG_ON(p != argp->tmpp);
argp->tmpp = NULL;
}
if (defer_free(argp, kfree, p)) {
}
-static int
+static __be32
nfsd4_decode_bitmap(struct nfsd4_compoundargs *argp, u32 *bmval)
{
u32 bmlen;
DECODE_TAIL;
}
-static int
+static __be32
nfsd4_decode_fattr(struct nfsd4_compoundargs *argp, u32 *bmval, struct iattr *iattr,
struct nfs4_acl **acl)
{
int expected_len, len = 0;
u32 dummy32;
char *buf;
+ int host_err;
DECODE_HEAD;
iattr->ia_valid = 0;
*acl = nfs4_acl_new();
if (*acl == NULL) {
- status = -ENOMEM;
+ host_err = -ENOMEM;
goto out_nfserr;
}
defer_free(argp, (void (*)(const void *))nfs4_acl_free, *acl);
len += XDR_QUADLEN(dummy32) << 2;
READMEM(buf, dummy32);
ace.whotype = nfs4_acl_get_whotype(buf, dummy32);
- status = 0;
+ host_err = 0;
if (ace.whotype != NFS4_ACL_WHO_NAMED)
ace.who = 0;
else if (ace.flag & NFS4_ACE_IDENTIFIER_GROUP)
- status = nfsd_map_name_to_gid(argp->rqstp,
+ host_err = nfsd_map_name_to_gid(argp->rqstp,
buf, dummy32, &ace.who);
else
- status = nfsd_map_name_to_uid(argp->rqstp,
+ host_err = nfsd_map_name_to_uid(argp->rqstp,
buf, dummy32, &ace.who);
- if (status)
+ if (host_err)
goto out_nfserr;
- status = nfs4_acl_add_ace(*acl, ace.type, ace.flag,
+ host_err = nfs4_acl_add_ace(*acl, ace.type, ace.flag,
ace.access_mask, ace.whotype, ace.who);
- if (status)
+ if (host_err)
goto out_nfserr;
}
} else
READ_BUF(dummy32);
len += (XDR_QUADLEN(dummy32) << 2);
READMEM(buf, dummy32);
- if ((status = nfsd_map_name_to_uid(argp->rqstp, buf, dummy32, &iattr->ia_uid)))
+ if ((host_err = nfsd_map_name_to_uid(argp->rqstp, buf, dummy32, &iattr->ia_uid)))
goto out_nfserr;
iattr->ia_valid |= ATTR_UID;
}
READ_BUF(dummy32);
len += (XDR_QUADLEN(dummy32) << 2);
READMEM(buf, dummy32);
- if ((status = nfsd_map_name_to_gid(argp->rqstp, buf, dummy32, &iattr->ia_gid)))
+ if ((host_err = nfsd_map_name_to_gid(argp->rqstp, buf, dummy32, &iattr->ia_gid)))
goto out_nfserr;
iattr->ia_valid |= ATTR_GID;
}
DECODE_TAIL;
out_nfserr:
- status = nfserrno(status);
+ status = nfserrno(host_err);
goto out;
}
-static int
+static __be32
nfsd4_decode_access(struct nfsd4_compoundargs *argp, struct nfsd4_access *access)
{
DECODE_HEAD;
DECODE_TAIL;
}
-static int
+static __be32
nfsd4_decode_close(struct nfsd4_compoundargs *argp, struct nfsd4_close *close)
{
DECODE_HEAD;
}
-static int
+static __be32
nfsd4_decode_commit(struct nfsd4_compoundargs *argp, struct nfsd4_commit *commit)
{
DECODE_HEAD;
DECODE_TAIL;
}
-static int
+static __be32
nfsd4_decode_create(struct nfsd4_compoundargs *argp, struct nfsd4_create *create)
{
DECODE_HEAD;
DECODE_TAIL;
}
-static inline int
+static inline __be32
nfsd4_decode_delegreturn(struct nfsd4_compoundargs *argp, struct nfsd4_delegreturn *dr)
{
DECODE_HEAD;
DECODE_TAIL;
}
-static inline int
+static inline __be32
nfsd4_decode_getattr(struct nfsd4_compoundargs *argp, struct nfsd4_getattr *getattr)
{
return nfsd4_decode_bitmap(argp, getattr->ga_bmval);
}
-static int
+static __be32
nfsd4_decode_link(struct nfsd4_compoundargs *argp, struct nfsd4_link *link)
{
DECODE_HEAD;
DECODE_TAIL;
}
-static int
+static __be32
nfsd4_decode_lock(struct nfsd4_compoundargs *argp, struct nfsd4_lock *lock)
{
DECODE_HEAD;
DECODE_TAIL;
}
-static int
+static __be32
nfsd4_decode_lockt(struct nfsd4_compoundargs *argp, struct nfsd4_lockt *lockt)
{
DECODE_HEAD;
DECODE_TAIL;
}
-static int
+static __be32
nfsd4_decode_locku(struct nfsd4_compoundargs *argp, struct nfsd4_locku *locku)
{
DECODE_HEAD;
DECODE_TAIL;
}
-static int
+static __be32
nfsd4_decode_lookup(struct nfsd4_compoundargs *argp, struct nfsd4_lookup *lookup)
{
DECODE_HEAD;
DECODE_TAIL;
}
-static int
+static __be32
nfsd4_decode_open(struct nfsd4_compoundargs *argp, struct nfsd4_open *open)
{
DECODE_HEAD;
DECODE_TAIL;
}
-static int
+static __be32
nfsd4_decode_open_confirm(struct nfsd4_compoundargs *argp, struct nfsd4_open_confirm *open_conf)
{
DECODE_HEAD;
DECODE_TAIL;
}
-static int
+static __be32
nfsd4_decode_open_downgrade(struct nfsd4_compoundargs *argp, struct nfsd4_open_downgrade *open_down)
{
DECODE_HEAD;
DECODE_TAIL;
}
-static int
+static __be32
nfsd4_decode_putfh(struct nfsd4_compoundargs *argp, struct nfsd4_putfh *putfh)
{
DECODE_HEAD;
DECODE_TAIL;
}
-static int
+static __be32
nfsd4_decode_read(struct nfsd4_compoundargs *argp, struct nfsd4_read *read)
{
DECODE_HEAD;
DECODE_TAIL;
}
-static int
+static __be32
nfsd4_decode_readdir(struct nfsd4_compoundargs *argp, struct nfsd4_readdir *readdir)
{
DECODE_HEAD;
DECODE_TAIL;
}
-static int
+static __be32
nfsd4_decode_remove(struct nfsd4_compoundargs *argp, struct nfsd4_remove *remove)
{
DECODE_HEAD;
DECODE_TAIL;
}
-static int
+static __be32
nfsd4_decode_rename(struct nfsd4_compoundargs *argp, struct nfsd4_rename *rename)
{
DECODE_HEAD;
DECODE_TAIL;
}
-static int
+static __be32
nfsd4_decode_renew(struct nfsd4_compoundargs *argp, clientid_t *clientid)
{
DECODE_HEAD;
DECODE_TAIL;
}
-static int
+static __be32
nfsd4_decode_setattr(struct nfsd4_compoundargs *argp, struct nfsd4_setattr *setattr)
{
DECODE_HEAD;
DECODE_TAIL;
}
-static int
+static __be32
nfsd4_decode_setclientid(struct nfsd4_compoundargs *argp, struct nfsd4_setclientid *setclientid)
{
DECODE_HEAD;
DECODE_TAIL;
}
-static int
+static __be32
nfsd4_decode_setclientid_confirm(struct nfsd4_compoundargs *argp, struct nfsd4_setclientid_confirm *scd_c)
{
DECODE_HEAD;
}
/* Also used for NVERIFY */
-static int
+static __be32
nfsd4_decode_verify(struct nfsd4_compoundargs *argp, struct nfsd4_verify *verify)
{
#if 0
DECODE_TAIL;
}
-static int
+static __be32
nfsd4_decode_write(struct nfsd4_compoundargs *argp, struct nfsd4_write *write)
{
int avail;
printk(KERN_NOTICE "xdr error! (%s:%d)\n", __FILE__, __LINE__);
goto xdr_error;
}
- write->wr_vec[0].iov_base = p;
- write->wr_vec[0].iov_len = avail;
+ argp->rqstp->rq_vec[0].iov_base = p;
+ argp->rqstp->rq_vec[0].iov_len = avail;
v = 0;
len = write->wr_buflen;
- while (len > write->wr_vec[v].iov_len) {
- len -= write->wr_vec[v].iov_len;
+ while (len > argp->rqstp->rq_vec[v].iov_len) {
+ len -= argp->rqstp->rq_vec[v].iov_len;
v++;
- write->wr_vec[v].iov_base = page_address(argp->pagelist[0]);
+ argp->rqstp->rq_vec[v].iov_base = page_address(argp->pagelist[0]);
argp->pagelist++;
if (argp->pagelen >= PAGE_SIZE) {
- write->wr_vec[v].iov_len = PAGE_SIZE;
+ argp->rqstp->rq_vec[v].iov_len = PAGE_SIZE;
argp->pagelen -= PAGE_SIZE;
} else {
- write->wr_vec[v].iov_len = argp->pagelen;
+ argp->rqstp->rq_vec[v].iov_len = argp->pagelen;
argp->pagelen -= len;
}
}
- argp->end = (u32*) (write->wr_vec[v].iov_base + write->wr_vec[v].iov_len);
- argp->p = (u32*) (write->wr_vec[v].iov_base + (XDR_QUADLEN(len) << 2));
- write->wr_vec[v].iov_len = len;
+ argp->end = (__be32*) (argp->rqstp->rq_vec[v].iov_base + argp->rqstp->rq_vec[v].iov_len);
+ argp->p = (__be32*) (argp->rqstp->rq_vec[v].iov_base + (XDR_QUADLEN(len) << 2));
+ argp->rqstp->rq_vec[v].iov_len = len;
write->wr_vlen = v+1;
DECODE_TAIL;
}
-static int
+static __be32
nfsd4_decode_release_lockowner(struct nfsd4_compoundargs *argp, struct nfsd4_release_lockowner *rlockowner)
{
DECODE_HEAD;
DECODE_TAIL;
}
-static int
+static __be32
nfsd4_decode_compound(struct nfsd4_compoundargs *argp)
{
DECODE_HEAD;
* task to translate them into Linux-specific versions which are more
* consistent with the style used in NFSv2/v3...
*/
-#define ENCODE_HEAD u32 *p
+#define ENCODE_HEAD __be32 *p
#define WRITE32(n) *p++ = htonl(n)
#define WRITE64(n) do { \
* Header routine to setup seqid operation replay cache
*/
#define ENCODE_SEQID_OP_HEAD \
- u32 *p; \
- u32 *save; \
+ __be32 *p; \
+ __be32 *save; \
\
save = resp->p;
stateowner->so_replay.rp_buflen); \
} } while (0);
+/* Encode as an array of strings the string given with components
+ * seperated @sep.
+ */
+static __be32 nfsd4_encode_components(char sep, char *components,
+ __be32 **pp, int *buflen)
+{
+ __be32 *p = *pp;
+ __be32 *countp = p;
+ int strlen, count=0;
+ char *str, *end;
+
+ dprintk("nfsd4_encode_components(%s)\n", components);
+ if ((*buflen -= 4) < 0)
+ return nfserr_resource;
+ WRITE32(0); /* We will fill this in with @count later */
+ end = str = components;
+ while (*end) {
+ for (; *end && (*end != sep); end++)
+ ; /* Point to end of component */
+ strlen = end - str;
+ if (strlen) {
+ if ((*buflen -= ((XDR_QUADLEN(strlen) << 2) + 4)) < 0)
+ return nfserr_resource;
+ WRITE32(strlen);
+ WRITEMEM(str, strlen);
+ count++;
+ }
+ else
+ end++;
+ str = end;
+ }
+ *pp = p;
+ p = countp;
+ WRITE32(count);
+ return 0;
+}
+
+/*
+ * encode a location element of a fs_locations structure
+ */
+static __be32 nfsd4_encode_fs_location4(struct nfsd4_fs_location *location,
+ __be32 **pp, int *buflen)
+{
+ __be32 status;
+ __be32 *p = *pp;
+
+ status = nfsd4_encode_components(':', location->hosts, &p, buflen);
+ if (status)
+ return status;
+ status = nfsd4_encode_components('/', location->path, &p, buflen);
+ if (status)
+ return status;
+ *pp = p;
+ return 0;
+}
+
+/*
+ * Return the path to an export point in the pseudo filesystem namespace
+ * Returned string is safe to use as long as the caller holds a reference
+ * to @exp.
+ */
+static char *nfsd4_path(struct svc_rqst *rqstp, struct svc_export *exp, __be32 *stat)
+{
+ struct svc_fh tmp_fh;
+ char *path, *rootpath;
+
+ fh_init(&tmp_fh, NFS4_FHSIZE);
+ *stat = exp_pseudoroot(rqstp->rq_client, &tmp_fh, &rqstp->rq_chandle);
+ if (*stat)
+ return NULL;
+ rootpath = tmp_fh.fh_export->ex_path;
+
+ path = exp->ex_path;
+
+ if (strncmp(path, rootpath, strlen(rootpath))) {
+ printk("nfsd: fs_locations failed;"
+ "%s is not contained in %s\n", path, rootpath);
+ *stat = nfserr_notsupp;
+ return NULL;
+ }
+
+ return path + strlen(rootpath);
+}
+
+/*
+ * encode a fs_locations structure
+ */
+static __be32 nfsd4_encode_fs_locations(struct svc_rqst *rqstp,
+ struct svc_export *exp,
+ __be32 **pp, int *buflen)
+{
+ __be32 status;
+ int i;
+ __be32 *p = *pp;
+ struct nfsd4_fs_locations *fslocs = &exp->ex_fslocs;
+ char *root = nfsd4_path(rqstp, exp, &status);
+
+ if (status)
+ return status;
+ status = nfsd4_encode_components('/', root, &p, buflen);
+ if (status)
+ return status;
+ if ((*buflen -= 4) < 0)
+ return nfserr_resource;
+ WRITE32(fslocs->locations_count);
+ for (i=0; i<fslocs->locations_count; i++) {
+ status = nfsd4_encode_fs_location4(&fslocs->locations[i],
+ &p, buflen);
+ if (status)
+ return status;
+ }
+ *pp = p;
+ return 0;
+}
static u32 nfs4_ftypes[16] = {
NF4BAD, NF4FIFO, NF4CHR, NF4BAD,
NF4SOCK, NF4BAD, NF4LNK, NF4BAD,
};
-static int
+static __be32
nfsd4_encode_name(struct svc_rqst *rqstp, int whotype, uid_t id, int group,
- u32 **p, int *buflen)
+ __be32 **p, int *buflen)
{
int status;
return 0;
}
-static inline int
-nfsd4_encode_user(struct svc_rqst *rqstp, uid_t uid, u32 **p, int *buflen)
+static inline __be32
+nfsd4_encode_user(struct svc_rqst *rqstp, uid_t uid, __be32 **p, int *buflen)
{
return nfsd4_encode_name(rqstp, NFS4_ACL_WHO_NAMED, uid, 0, p, buflen);
}
-static inline int
-nfsd4_encode_group(struct svc_rqst *rqstp, uid_t gid, u32 **p, int *buflen)
+static inline __be32
+nfsd4_encode_group(struct svc_rqst *rqstp, uid_t gid, __be32 **p, int *buflen)
{
return nfsd4_encode_name(rqstp, NFS4_ACL_WHO_NAMED, gid, 1, p, buflen);
}
-static inline int
+static inline __be32
nfsd4_encode_aclname(struct svc_rqst *rqstp, int whotype, uid_t id, int group,
- u32 **p, int *buflen)
+ __be32 **p, int *buflen)
{
return nfsd4_encode_name(rqstp, whotype, id, group, p, buflen);
}
+#define WORD0_ABSENT_FS_ATTRS (FATTR4_WORD0_FS_LOCATIONS | FATTR4_WORD0_FSID | \
+ FATTR4_WORD0_RDATTR_ERROR)
+#define WORD1_ABSENT_FS_ATTRS FATTR4_WORD1_MOUNTED_ON_FILEID
+
+static __be32 fattr_handle_absent_fs(u32 *bmval0, u32 *bmval1, u32 *rdattr_err)
+{
+ /* As per referral draft: */
+ if (*bmval0 & ~WORD0_ABSENT_FS_ATTRS ||
+ *bmval1 & ~WORD1_ABSENT_FS_ATTRS) {
+ if (*bmval0 & FATTR4_WORD0_RDATTR_ERROR ||
+ *bmval0 & FATTR4_WORD0_FS_LOCATIONS)
+ *rdattr_err = NFSERR_MOVED;
+ else
+ return nfserr_moved;
+ }
+ *bmval0 &= WORD0_ABSENT_FS_ATTRS;
+ *bmval1 &= WORD1_ABSENT_FS_ATTRS;
+ return 0;
+}
/*
* Note: @fhp can be NULL; in this case, we might have to compose the filehandle
* @countp is the buffer size in _words_; upon successful return this becomes
* replaced with the number of words written.
*/
-int
+__be32
nfsd4_encode_fattr(struct svc_fh *fhp, struct svc_export *exp,
- struct dentry *dentry, u32 *buffer, int *countp, u32 *bmval,
+ struct dentry *dentry, __be32 *buffer, int *countp, u32 *bmval,
struct svc_rqst *rqstp)
{
u32 bmval0 = bmval[0];
struct svc_fh tempfh;
struct kstatfs statfs;
int buflen = *countp << 2;
- u32 *attrlenp;
+ __be32 *attrlenp;
u32 dummy;
u64 dummy64;
- u32 *p = buffer;
- int status;
+ u32 rdattr_err = 0;
+ __be32 *p = buffer;
+ __be32 status;
+ int err;
int aclsupport = 0;
struct nfs4_acl *acl = NULL;
BUG_ON(bmval0 & ~NFSD_SUPPORTED_ATTRS_WORD0);
BUG_ON(bmval1 & ~NFSD_SUPPORTED_ATTRS_WORD1);
- status = vfs_getattr(exp->ex_mnt, dentry, &stat);
- if (status)
+ if (exp->ex_fslocs.migrated) {
+ status = fattr_handle_absent_fs(&bmval0, &bmval1, &rdattr_err);
+ if (status)
+ goto out;
+ }
+
+ err = vfs_getattr(exp->ex_mnt, dentry, &stat);
+ if (err)
goto out_nfserr;
if ((bmval0 & (FATTR4_WORD0_FILES_FREE | FATTR4_WORD0_FILES_TOTAL)) ||
(bmval1 & (FATTR4_WORD1_SPACE_AVAIL | FATTR4_WORD1_SPACE_FREE |
FATTR4_WORD1_SPACE_TOTAL))) {
- status = vfs_statfs(dentry, &statfs);
- if (status)
+ err = vfs_statfs(dentry, &statfs);
+ if (err)
goto out_nfserr;
}
if ((bmval0 & (FATTR4_WORD0_FILEHANDLE | FATTR4_WORD0_FSID)) && !fhp) {
}
if (bmval0 & (FATTR4_WORD0_ACL | FATTR4_WORD0_ACLSUPPORT
| FATTR4_WORD0_SUPPORTED_ATTRS)) {
- status = nfsd4_get_nfs4_acl(rqstp, dentry, &acl);
- aclsupport = (status == 0);
+ err = nfsd4_get_nfs4_acl(rqstp, dentry, &acl);
+ aclsupport = (err == 0);
if (bmval0 & FATTR4_WORD0_ACL) {
- if (status == -EOPNOTSUPP)
+ if (err == -EOPNOTSUPP)
bmval0 &= ~FATTR4_WORD0_ACL;
- else if (status == -EINVAL) {
+ else if (err == -EINVAL) {
status = nfserr_attrnotsupp;
goto out;
- } else if (status != 0)
+ } else if (err != 0)
goto out_nfserr;
}
}
+ if (bmval0 & FATTR4_WORD0_FS_LOCATIONS) {
+ if (exp->ex_fslocs.locations == NULL) {
+ bmval0 &= ~FATTR4_WORD0_FS_LOCATIONS;
+ }
+ }
if ((buflen -= 16) < 0)
goto out_resource;
attrlenp = p++; /* to be backfilled later */
if (bmval0 & FATTR4_WORD0_SUPPORTED_ATTRS) {
+ u32 word0 = NFSD_SUPPORTED_ATTRS_WORD0;
if ((buflen -= 12) < 0)
goto out_resource;
+ if (!aclsupport)
+ word0 &= ~FATTR4_WORD0_ACL;
+ if (!exp->ex_fslocs.locations)
+ word0 &= ~FATTR4_WORD0_FS_LOCATIONS;
WRITE32(2);
- WRITE32(aclsupport ?
- NFSD_SUPPORTED_ATTRS_WORD0 :
- NFSD_SUPPORTED_ATTRS_WORD0 & ~FATTR4_WORD0_ACL);
+ WRITE32(word0);
WRITE32(NFSD_SUPPORTED_ATTRS_WORD1);
}
if (bmval0 & FATTR4_WORD0_TYPE) {
if (bmval0 & FATTR4_WORD0_FSID) {
if ((buflen -= 16) < 0)
goto out_resource;
- if (is_fsid(fhp, rqstp->rq_reffh)) {
+ if (exp->ex_fslocs.migrated) {
+ WRITE64(NFS4_REFERRAL_FSID_MAJOR);
+ WRITE64(NFS4_REFERRAL_FSID_MINOR);
+ } else if (is_fsid(fhp, rqstp->rq_reffh)) {
WRITE64((u64)exp->ex_fsid);
WRITE64((u64)0);
} else {
if (bmval0 & FATTR4_WORD0_RDATTR_ERROR) {
if ((buflen -= 4) < 0)
goto out_resource;
- WRITE32(0);
+ WRITE32(rdattr_err);
}
if (bmval0 & FATTR4_WORD0_ACL) {
struct nfs4_ace *ace;
goto out_resource;
WRITE64((u64) statfs.f_files);
}
+ if (bmval0 & FATTR4_WORD0_FS_LOCATIONS) {
+ status = nfsd4_encode_fs_locations(rqstp, exp, &p, &buflen);
+ if (status == nfserr_resource)
+ goto out_resource;
+ if (status)
+ goto out;
+ }
if (bmval0 & FATTR4_WORD0_HOMOGENEOUS) {
if ((buflen -= 4) < 0)
goto out_resource;
if (bmval0 & FATTR4_WORD0_MAXREAD) {
if ((buflen -= 8) < 0)
goto out_resource;
- WRITE64((u64) NFSSVC_MAXBLKSIZE);
+ WRITE64((u64) svc_max_payload(rqstp));
}
if (bmval0 & FATTR4_WORD0_MAXWRITE) {
if ((buflen -= 8) < 0)
goto out_resource;
- WRITE64((u64) NFSSVC_MAXBLKSIZE);
+ WRITE64((u64) svc_max_payload(rqstp));
}
if (bmval1 & FATTR4_WORD1_MODE) {
if ((buflen -= 4) < 0)
fh_put(&tempfh);
return status;
out_nfserr:
- status = nfserrno(status);
+ status = nfserrno(err);
goto out;
out_resource:
*countp = 0;
goto out;
}
-static int
+static __be32
nfsd4_encode_dirent_fattr(struct nfsd4_readdir *cd,
- const char *name, int namlen, u32 *p, int *buflen)
+ const char *name, int namlen, __be32 *p, int *buflen)
{
struct svc_export *exp = cd->rd_fhp->fh_export;
struct dentry *dentry;
- int nfserr;
+ __be32 nfserr;
dentry = lookup_one_len(name, cd->rd_fhp->fh_dentry, namlen);
if (IS_ERR(dentry))
exp_get(exp);
if (d_mountpoint(dentry)) {
- if (nfsd_cross_mnt(cd->rd_rqstp, &dentry, &exp)) {
- /*
- * -EAGAIN is the only error returned from
- * nfsd_cross_mnt() and it indicates that an
- * up-call has been initiated to fill in the export
- * options on exp. When the answer comes back,
- * this call will be retried.
- */
- nfserr = nfserr_dropit;
+ int err;
+
+ err = nfsd_cross_mnt(cd->rd_rqstp, &dentry, &exp);
+ if (err) {
+ nfserr = nfserrno(err);
goto out_put;
}
return nfserr;
}
-static u32 *
-nfsd4_encode_rdattr_error(u32 *p, int buflen, int nfserr)
+static __be32 *
+nfsd4_encode_rdattr_error(__be32 *p, int buflen, __be32 nfserr)
{
- u32 *attrlenp;
+ __be32 *attrlenp;
if (buflen < 6)
return NULL;
}
static int
-nfsd4_encode_dirent(struct readdir_cd *ccd, const char *name, int namlen,
- loff_t offset, ino_t ino, unsigned int d_type)
+nfsd4_encode_dirent(void *ccdv, const char *name, int namlen,
+ loff_t offset, u64 ino, unsigned int d_type)
{
+ struct readdir_cd *ccd = ccdv;
struct nfsd4_readdir *cd = container_of(ccd, struct nfsd4_readdir, common);
int buflen;
- u32 *p = cd->buffer;
- int nfserr = nfserr_toosmall;
+ __be32 *p = cd->buffer;
+ __be32 nfserr = nfserr_toosmall;
/* In nfsv4, "." and ".." never make it onto the wire.. */
if (name && isdotent(name, namlen)) {
}
static void
-nfsd4_encode_access(struct nfsd4_compoundres *resp, int nfserr, struct nfsd4_access *access)
+nfsd4_encode_access(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_access *access)
{
ENCODE_HEAD;
}
static void
-nfsd4_encode_close(struct nfsd4_compoundres *resp, int nfserr, struct nfsd4_close *close)
+nfsd4_encode_close(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_close *close)
{
ENCODE_SEQID_OP_HEAD;
static void
-nfsd4_encode_commit(struct nfsd4_compoundres *resp, int nfserr, struct nfsd4_commit *commit)
+nfsd4_encode_commit(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_commit *commit)
{
ENCODE_HEAD;
}
static void
-nfsd4_encode_create(struct nfsd4_compoundres *resp, int nfserr, struct nfsd4_create *create)
+nfsd4_encode_create(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_create *create)
{
ENCODE_HEAD;
}
}
-static int
-nfsd4_encode_getattr(struct nfsd4_compoundres *resp, int nfserr, struct nfsd4_getattr *getattr)
+static __be32
+nfsd4_encode_getattr(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_getattr *getattr)
{
struct svc_fh *fhp = getattr->ga_fhp;
int buflen;
nfserr = nfsd4_encode_fattr(fhp, fhp->fh_export, fhp->fh_dentry,
resp->p, &buflen, getattr->ga_bmval,
resp->rqstp);
-
if (!nfserr)
resp->p += buflen;
return nfserr;
}
static void
-nfsd4_encode_getfh(struct nfsd4_compoundres *resp, int nfserr, struct svc_fh *fhp)
+nfsd4_encode_getfh(struct nfsd4_compoundres *resp, __be32 nfserr, struct svc_fh *fhp)
{
unsigned int len;
ENCODE_HEAD;
}
static void
-nfsd4_encode_lock(struct nfsd4_compoundres *resp, int nfserr, struct nfsd4_lock *lock)
+nfsd4_encode_lock(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_lock *lock)
{
ENCODE_SEQID_OP_HEAD;
}
static void
-nfsd4_encode_lockt(struct nfsd4_compoundres *resp, int nfserr, struct nfsd4_lockt *lockt)
+nfsd4_encode_lockt(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_lockt *lockt)
{
if (nfserr == nfserr_denied)
nfsd4_encode_lock_denied(resp, &lockt->lt_denied);
}
static void
-nfsd4_encode_locku(struct nfsd4_compoundres *resp, int nfserr, struct nfsd4_locku *locku)
+nfsd4_encode_locku(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_locku *locku)
{
ENCODE_SEQID_OP_HEAD;
static void
-nfsd4_encode_link(struct nfsd4_compoundres *resp, int nfserr, struct nfsd4_link *link)
+nfsd4_encode_link(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_link *link)
{
ENCODE_HEAD;
static void
-nfsd4_encode_open(struct nfsd4_compoundres *resp, int nfserr, struct nfsd4_open *open)
+nfsd4_encode_open(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_open *open)
{
ENCODE_SEQID_OP_HEAD;
}
static void
-nfsd4_encode_open_confirm(struct nfsd4_compoundres *resp, int nfserr, struct nfsd4_open_confirm *oc)
+nfsd4_encode_open_confirm(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_open_confirm *oc)
{
ENCODE_SEQID_OP_HEAD;
}
static void
-nfsd4_encode_open_downgrade(struct nfsd4_compoundres *resp, int nfserr, struct nfsd4_open_downgrade *od)
+nfsd4_encode_open_downgrade(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_open_downgrade *od)
{
ENCODE_SEQID_OP_HEAD;
ENCODE_SEQID_OP_TAIL(od->od_stateowner);
}
-static int
-nfsd4_encode_read(struct nfsd4_compoundres *resp, int nfserr, struct nfsd4_read *read)
+static __be32
+nfsd4_encode_read(struct nfsd4_compoundres *resp, __be32 nfserr,
+ struct nfsd4_read *read)
{
u32 eof;
int v, pn;
RESERVE_SPACE(8); /* eof flag and byte count */
- maxcount = NFSSVC_MAXBLKSIZE;
+ maxcount = svc_max_payload(resp->rqstp);
if (maxcount > read->rd_length)
maxcount = read->rd_length;
len = maxcount;
v = 0;
while (len > 0) {
- pn = resp->rqstp->rq_resused;
- svc_take_page(resp->rqstp);
- read->rd_iov[v].iov_base = page_address(resp->rqstp->rq_respages[pn]);
- read->rd_iov[v].iov_len = len < PAGE_SIZE ? len : PAGE_SIZE;
+ pn = resp->rqstp->rq_resused++;
+ resp->rqstp->rq_vec[v].iov_base =
+ page_address(resp->rqstp->rq_respages[pn]);
+ resp->rqstp->rq_vec[v].iov_len =
+ len < PAGE_SIZE ? len : PAGE_SIZE;
v++;
len -= PAGE_SIZE;
}
read->rd_vlen = v;
nfserr = nfsd_read(read->rd_rqstp, read->rd_fhp, read->rd_filp,
- read->rd_offset, read->rd_iov, read->rd_vlen,
+ read->rd_offset, resp->rqstp->rq_vec, read->rd_vlen,
&maxcount);
if (nfserr == nfserr_symlink)
nfserr = nfserr_inval;
if (nfserr)
return nfserr;
- eof = (read->rd_offset + maxcount >= read->rd_fhp->fh_dentry->d_inode->i_size);
+ eof = (read->rd_offset + maxcount >=
+ read->rd_fhp->fh_dentry->d_inode->i_size);
WRITE32(eof);
WRITE32(maxcount);
resp->xbuf->page_len = maxcount;
/* Use rest of head for padding and remaining ops: */
- resp->rqstp->rq_restailpage = 0;
resp->xbuf->tail[0].iov_base = p;
resp->xbuf->tail[0].iov_len = 0;
if (maxcount&3) {
return 0;
}
-static int
-nfsd4_encode_readlink(struct nfsd4_compoundres *resp, int nfserr, struct nfsd4_readlink *readlink)
+static __be32
+nfsd4_encode_readlink(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_readlink *readlink)
{
int maxcount;
char *page;
if (resp->xbuf->page_len)
return nfserr_resource;
- svc_take_page(resp->rqstp);
- page = page_address(resp->rqstp->rq_respages[resp->rqstp->rq_resused-1]);
+ page = page_address(resp->rqstp->rq_respages[resp->rqstp->rq_resused++]);
maxcount = PAGE_SIZE;
RESERVE_SPACE(4);
resp->xbuf->page_len = maxcount;
/* Use rest of head for padding and remaining ops: */
- resp->rqstp->rq_restailpage = 0;
resp->xbuf->tail[0].iov_base = p;
resp->xbuf->tail[0].iov_len = 0;
if (maxcount&3) {
return 0;
}
-static int
-nfsd4_encode_readdir(struct nfsd4_compoundres *resp, int nfserr, struct nfsd4_readdir *readdir)
+static __be32
+nfsd4_encode_readdir(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_readdir *readdir)
{
int maxcount;
loff_t offset;
- u32 *page, *savep, *tailbase;
+ __be32 *page, *savep, *tailbase;
ENCODE_HEAD;
if (nfserr)
goto err_no_verf;
}
- svc_take_page(resp->rqstp);
- page = page_address(resp->rqstp->rq_respages[resp->rqstp->rq_resused-1]);
+ page = page_address(resp->rqstp->rq_respages[resp->rqstp->rq_resused++]);
readdir->common.err = 0;
readdir->buflen = maxcount;
readdir->buffer = page;
p = readdir->buffer;
*p++ = 0; /* no more entries */
*p++ = htonl(readdir->common.err == nfserr_eof);
- resp->xbuf->page_len = ((char*)p) - (char*)page_address(resp->rqstp->rq_respages[resp->rqstp->rq_resused-1]);
+ resp->xbuf->page_len = ((char*)p) - (char*)page_address(
+ resp->rqstp->rq_respages[resp->rqstp->rq_resused-1]);
/* Use rest of head for padding and remaining ops: */
- resp->rqstp->rq_restailpage = 0;
resp->xbuf->tail[0].iov_base = tailbase;
resp->xbuf->tail[0].iov_len = 0;
resp->p = resp->xbuf->tail[0].iov_base;
}
static void
-nfsd4_encode_remove(struct nfsd4_compoundres *resp, int nfserr, struct nfsd4_remove *remove)
+nfsd4_encode_remove(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_remove *remove)
{
ENCODE_HEAD;
}
static void
-nfsd4_encode_rename(struct nfsd4_compoundres *resp, int nfserr, struct nfsd4_rename *rename)
+nfsd4_encode_rename(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_rename *rename)
{
ENCODE_HEAD;
* regardless of the error status.
*/
static void
-nfsd4_encode_setattr(struct nfsd4_compoundres *resp, int nfserr, struct nfsd4_setattr *setattr)
+nfsd4_encode_setattr(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_setattr *setattr)
{
ENCODE_HEAD;
}
static void
-nfsd4_encode_setclientid(struct nfsd4_compoundres *resp, int nfserr, struct nfsd4_setclientid *scd)
+nfsd4_encode_setclientid(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_setclientid *scd)
{
ENCODE_HEAD;
}
static void
-nfsd4_encode_write(struct nfsd4_compoundres *resp, int nfserr, struct nfsd4_write *write)
+nfsd4_encode_write(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_write *write)
{
ENCODE_HEAD;
void
nfsd4_encode_operation(struct nfsd4_compoundres *resp, struct nfsd4_op *op)
{
- u32 *statp;
+ __be32 *statp;
ENCODE_HEAD;
RESERVE_SPACE(8);
*/
int
-nfs4svc_encode_voidres(struct svc_rqst *rqstp, u32 *p, void *dummy)
+nfs4svc_encode_voidres(struct svc_rqst *rqstp, __be32 *p, void *dummy)
{
return xdr_ressize_check(rqstp, p);
}
}
int
-nfs4svc_decode_compoundargs(struct svc_rqst *rqstp, u32 *p, struct nfsd4_compoundargs *args)
+nfs4svc_decode_compoundargs(struct svc_rqst *rqstp, __be32 *p, struct nfsd4_compoundargs *args)
{
- int status;
+ __be32 status;
args->p = p;
args->end = rqstp->rq_arg.head[0].iov_base + rqstp->rq_arg.head[0].iov_len;
}
int
-nfs4svc_encode_compoundres(struct svc_rqst *rqstp, u32 *p, struct nfsd4_compoundres *resp)
+nfs4svc_encode_compoundres(struct svc_rqst *rqstp, __be32 *p, struct nfsd4_compoundres *resp)
{
/*
* All that remains is to write the tag and operation count...
git.openpandora.org / pandora-kernel.git / blobdiff