#include "netns.h"
#include "pnfs.h"
#include "filecache.h"
+ #include "nfs4xdr_gen.h"
#include "trace.h"
*umask = mask & S_IRWXUGO;
iattr->ia_valid |= ATTR_MODE;
}
+ if (bmval[2] & FATTR4_WORD2_TIME_DELEG_ACCESS) {
+ fattr4_time_deleg_access access;
+
+ if (!xdrgen_decode_fattr4_time_deleg_access(argp->xdr, &access))
+ return nfserr_bad_xdr;
+ iattr->ia_atime.tv_sec = access.seconds;
+ iattr->ia_atime.tv_nsec = access.nseconds;
+ iattr->ia_valid |= ATTR_ATIME | ATTR_ATIME_SET | ATTR_DELEG;
+ }
+ if (bmval[2] & FATTR4_WORD2_TIME_DELEG_MODIFY) {
+ fattr4_time_deleg_modify modify;
+
+ if (!xdrgen_decode_fattr4_time_deleg_modify(argp->xdr, &modify))
+ return nfserr_bad_xdr;
+ iattr->ia_mtime.tv_sec = modify.seconds;
+ iattr->ia_mtime.tv_nsec = modify.nseconds;
+ iattr->ia_ctime.tv_sec = modify.seconds;
+ iattr->ia_ctime.tv_nsec = modify.seconds;
+ iattr->ia_valid |= ATTR_CTIME | ATTR_MTIME | ATTR_MTIME_SET | ATTR_DELEG;
+ }
/* request sanity: did attrlist4 contain the expected number of words? */
if (attrlist4_count != xdr_stream_pos(argp->xdr) - starting_pos)
return nfs_ok;
if (!argp->minorversion)
return nfserr_bad_xdr;
- switch (w & NFS4_SHARE_WANT_MASK) {
- case NFS4_SHARE_WANT_NO_PREFERENCE:
- case NFS4_SHARE_WANT_READ_DELEG:
- case NFS4_SHARE_WANT_WRITE_DELEG:
- case NFS4_SHARE_WANT_ANY_DELEG:
- case NFS4_SHARE_WANT_NO_DELEG:
- case NFS4_SHARE_WANT_CANCEL:
+ switch (w & NFS4_SHARE_WANT_TYPE_MASK) {
+ case OPEN4_SHARE_ACCESS_WANT_NO_PREFERENCE:
+ case OPEN4_SHARE_ACCESS_WANT_READ_DELEG:
+ case OPEN4_SHARE_ACCESS_WANT_WRITE_DELEG:
+ case OPEN4_SHARE_ACCESS_WANT_ANY_DELEG:
+ case OPEN4_SHARE_ACCESS_WANT_NO_DELEG:
+ case OPEN4_SHARE_ACCESS_WANT_CANCEL:
break;
default:
return nfserr_bad_xdr;
return nfserr_bad_xdr;
seq->seqid = be32_to_cpup(p++);
seq->slotid = be32_to_cpup(p++);
- seq->maxslots = be32_to_cpup(p++);
+ /* sa_highest_slotid counts from 0 but maxslots counts from 1 ... */
+ seq->maxslots = be32_to_cpup(p++) + 1;
seq->cachethis = be32_to_cpup(p);
seq->status_flags = 0;
#ifdef CONFIG_NFSD_V4_SECURITY_LABEL
static inline __be32
nfsd4_encode_security_label(struct xdr_stream *xdr, struct svc_rqst *rqstp,
- void *context, int len)
+ const struct lsm_context *context)
{
__be32 *p;
- p = xdr_reserve_space(xdr, len + 4 + 4 + 4);
+ p = xdr_reserve_space(xdr, context->len + 4 + 4 + 4);
if (!p)
return nfserr_resource;
*/
*p++ = cpu_to_be32(0); /* lfs */
*p++ = cpu_to_be32(0); /* pi */
- p = xdr_encode_opaque(p, context, len);
+ p = xdr_encode_opaque(p, context->context, context->len);
return 0;
}
#else
static inline __be32
nfsd4_encode_security_label(struct xdr_stream *xdr, struct svc_rqst *rqstp,
- void *context, int len)
+ struct lsm_context *context)
{ return 0; }
#endif
struct kstat stat;
struct kstatfs statfs;
struct nfs4_acl *acl;
+ u64 change_attr;
#ifdef CONFIG_NFSD_V4_SECURITY_LABEL
- void *context;
- int contextlen;
+ struct lsm_context context;
#endif
u32 rdattr_err;
bool contextsupport;
const struct nfsd4_fattr_args *args)
{
const struct svc_export *exp = args->exp;
- u64 c;
if (unlikely(exp->ex_flags & NFSEXP_V4ROOT)) {
u32 flush_time = convert_to_wallclock(exp->cd->flush_time);
return nfserr_resource;
return nfs_ok;
}
-
- c = nfsd4_change_attribute(&args->stat);
- return nfsd4_encode_changeid4(xdr, c);
+ return nfsd4_encode_changeid4(xdr, args->change_attr);
}
static __be32 nfsd4_encode_fattr4_size(struct xdr_stream *xdr,
static __be32 nfsd4_encode_fattr4_sec_label(struct xdr_stream *xdr,
const struct nfsd4_fattr_args *args)
{
- return nfsd4_encode_security_label(xdr, args->rqstp,
- args->context, args->contextlen);
+ return nfsd4_encode_security_label(xdr, args->rqstp, &args->context);
}
#endif
return nfsd4_encode_bool(xdr, err == 0);
}
+ #define NFSD_OA_SHARE_ACCESS (BIT(OPEN_ARGS_SHARE_ACCESS_READ) | \
+ BIT(OPEN_ARGS_SHARE_ACCESS_WRITE) | \
+ BIT(OPEN_ARGS_SHARE_ACCESS_BOTH))
+
+ #define NFSD_OA_SHARE_DENY (BIT(OPEN_ARGS_SHARE_DENY_NONE) | \
+ BIT(OPEN_ARGS_SHARE_DENY_READ) | \
+ BIT(OPEN_ARGS_SHARE_DENY_WRITE) | \
+ BIT(OPEN_ARGS_SHARE_DENY_BOTH))
+
+ #define NFSD_OA_SHARE_ACCESS_WANT (BIT(OPEN_ARGS_SHARE_ACCESS_WANT_ANY_DELEG) | \
+ BIT(OPEN_ARGS_SHARE_ACCESS_WANT_NO_DELEG) | \
+ BIT(OPEN_ARGS_SHARE_ACCESS_WANT_CANCEL) | \
+ BIT(OPEN_ARGS_SHARE_ACCESS_WANT_DELEG_TIMESTAMPS) | \
+ BIT(OPEN_ARGS_SHARE_ACCESS_WANT_OPEN_XOR_DELEGATION))
+
+ #define NFSD_OA_OPEN_CLAIM (BIT(OPEN_ARGS_OPEN_CLAIM_NULL) | \
+ BIT(OPEN_ARGS_OPEN_CLAIM_PREVIOUS) | \
+ BIT(OPEN_ARGS_OPEN_CLAIM_DELEGATE_CUR) | \
+ BIT(OPEN_ARGS_OPEN_CLAIM_DELEGATE_PREV)| \
+ BIT(OPEN_ARGS_OPEN_CLAIM_FH) | \
+ BIT(OPEN_ARGS_OPEN_CLAIM_DELEG_CUR_FH) | \
+ BIT(OPEN_ARGS_OPEN_CLAIM_DELEG_PREV_FH))
+
+ #define NFSD_OA_CREATE_MODE (BIT(OPEN_ARGS_CREATEMODE_UNCHECKED4) | \
+ BIT(OPEN_ARGS_CREATE_MODE_GUARDED) | \
+ BIT(OPEN_ARGS_CREATEMODE_EXCLUSIVE4) | \
+ BIT(OPEN_ARGS_CREATE_MODE_EXCLUSIVE4_1))
+
+ static uint32_t oa_share_access = NFSD_OA_SHARE_ACCESS;
+ static uint32_t oa_share_deny = NFSD_OA_SHARE_DENY;
+ static uint32_t oa_share_access_want = NFSD_OA_SHARE_ACCESS_WANT;
+ static uint32_t oa_open_claim = NFSD_OA_OPEN_CLAIM;
+ static uint32_t oa_create_mode = NFSD_OA_CREATE_MODE;
+
+ static const struct open_arguments4 nfsd_open_arguments = {
+ .oa_share_access = { .count = 1, .element = &oa_share_access },
+ .oa_share_deny = { .count = 1, .element = &oa_share_deny },
+ .oa_share_access_want = { .count = 1, .element = &oa_share_access_want },
+ .oa_open_claim = { .count = 1, .element = &oa_open_claim },
+ .oa_create_mode = { .count = 1, .element = &oa_create_mode },
+ };
+
+ static __be32 nfsd4_encode_fattr4_open_arguments(struct xdr_stream *xdr,
+ const struct nfsd4_fattr_args *args)
+ {
+ if (!xdrgen_encode_fattr4_open_arguments(xdr, &nfsd_open_arguments))
+ return nfserr_resource;
+ return nfs_ok;
+ }
+
static const nfsd4_enc_attr nfsd4_enc_fattr4_encode_ops[] = {
[FATTR4_SUPPORTED_ATTRS] = nfsd4_encode_fattr4_supported_attrs,
[FATTR4_TYPE] = nfsd4_encode_fattr4_type,
[FATTR4_MODE_UMASK] = nfsd4_encode_fattr4__noop,
[FATTR4_XATTR_SUPPORT] = nfsd4_encode_fattr4_xattr_support,
+ [FATTR4_OPEN_ARGUMENTS] = nfsd4_encode_fattr4_open_arguments,
};
/*
struct nfsd4_fattr_args args;
struct svc_fh *tempfh = NULL;
int starting_len = xdr->buf->len;
- __be32 *attrlen_p, status;
- int attrlen_offset;
+ unsigned int attrlen_offset;
+ __be32 attrlen, status;
u32 attrmask[3];
int err;
struct nfsd4_compoundres *resp = rqstp->rq_resp;
args.ignore_crossmnt = (ignore_crossmnt != 0);
args.acl = NULL;
#ifdef CONFIG_NFSD_V4_SECURITY_LABEL
- args.context = NULL;
+ args.context.context = NULL;
#endif
/*
if (status)
goto out;
}
- if (attrmask[0] & (FATTR4_WORD0_CHANGE | FATTR4_WORD0_SIZE)) {
+ if ((attrmask[0] & (FATTR4_WORD0_CHANGE |
+ FATTR4_WORD0_SIZE)) ||
+ (attrmask[1] & (FATTR4_WORD1_TIME_ACCESS |
+ FATTR4_WORD1_TIME_MODIFY |
+ FATTR4_WORD1_TIME_METADATA))) {
status = nfsd4_deleg_getattr_conflict(rqstp, dentry, &dp);
if (status)
goto out;
if (dp) {
struct nfs4_cb_fattr *ncf = &dp->dl_cb_fattr;
- if (ncf->ncf_file_modified)
+ if (ncf->ncf_file_modified) {
+ ++ncf->ncf_initial_cinfo;
args.stat.size = ncf->ncf_cur_fsize;
+ if (!timespec64_is_epoch(&ncf->ncf_cb_mtime))
+ args.stat.mtime = ncf->ncf_cb_mtime;
+ }
+ args.change_attr = ncf->ncf_initial_cinfo;
+
+ if (!timespec64_is_epoch(&ncf->ncf_cb_atime))
+ args.stat.atime = ncf->ncf_cb_atime;
nfs4_put_stid(&dp->dl_stid);
+ } else {
+ args.change_attr = nfsd4_change_attribute(&args.stat);
}
+
if (err)
goto out_nfserr;
attrmask[0] & FATTR4_WORD0_SUPPORTED_ATTRS) {
if (exp->ex_flags & NFSEXP_SECURITY_LABEL)
err = security_inode_getsecctx(d_inode(dentry),
- &args.context, &args.contextlen);
+ &args.context);
else
err = -EOPNOTSUPP;
args.contextsupport = (err == 0);
/* attr_vals */
attrlen_offset = xdr->buf->len;
- attrlen_p = xdr_reserve_space(xdr, XDR_UNIT);
- if (!attrlen_p)
+ if (unlikely(!xdr_reserve_space(xdr, XDR_UNIT)))
goto out_resource;
bitmap_from_arr32(attr_bitmap, attrmask,
ARRAY_SIZE(nfsd4_enc_fattr4_encode_ops));
if (status != nfs_ok)
goto out;
}
- *attrlen_p = cpu_to_be32(xdr->buf->len - attrlen_offset - XDR_UNIT);
+ attrlen = cpu_to_be32(xdr->buf->len - attrlen_offset - XDR_UNIT);
+ write_bytes_to_xdr_buf(xdr->buf, attrlen_offset, &attrlen, XDR_UNIT);
status = nfs_ok;
out:
#ifdef CONFIG_NFSD_V4_SECURITY_LABEL
- if (args.context)
- security_release_secctx(args.context, args.contextlen);
+ if (args.context.context)
+ security_release_secctx(&args.context);
#endif /* CONFIG_NFSD_V4_SECURITY_LABEL */
kfree(args.acl);
if (tempfh) {
if (xdr_stream_encode_u32(xdr, open->op_delegate_type) != XDR_UNIT)
return nfserr_resource;
switch (open->op_delegate_type) {
- case NFS4_OPEN_DELEGATE_NONE:
+ case OPEN_DELEGATE_NONE:
status = nfs_ok;
break;
- case NFS4_OPEN_DELEGATE_READ:
+ case OPEN_DELEGATE_READ:
+ case OPEN_DELEGATE_READ_ATTRS_DELEG:
/* read */
status = nfsd4_encode_open_read_delegation4(xdr, open);
break;
- case NFS4_OPEN_DELEGATE_WRITE:
+ case OPEN_DELEGATE_WRITE:
+ case OPEN_DELEGATE_WRITE_ATTRS_DELEG:
/* write */
status = nfsd4_encode_open_write_delegation4(xdr, open);
break;
- case NFS4_OPEN_DELEGATE_NONE_EXT:
+ case OPEN_DELEGATE_NONE_EXT:
/* od_whynone */
status = nfsd4_encode_open_none_delegation4(xdr, open);
break;
int status, space_left;
__be32 nfserr;
+ /*
+ * Splice read doesn't work if encoding has already wandered
+ * into the XDR buf's page array.
+ */
+ if (unlikely(xdr->buf->page_len)) {
+ WARN_ON_ONCE(1);
+ return nfserr_serverfault;
+ }
+
/*
* Make sure there is room at the end of buf->head for
* svcxdr_encode_opaque_pages() to create a tail buffer
struct nfsd4_compoundargs *argp = resp->rqstp->rq_argp;
struct nfsd4_read *read = &u->read;
struct xdr_stream *xdr = resp->xdr;
- int starting_len = xdr->buf->len;
bool splice_ok = argp->splice_ok;
+ unsigned int eof_offset;
unsigned long maxcount;
+ __be32 wire_data[2];
struct file *file;
- __be32 *p;
if (nfserr)
return nfserr;
+
+ eof_offset = xdr->buf->len;
file = read->rd_nf->nf_file;
- p = xdr_reserve_space(xdr, 8); /* eof flag and byte count */
- if (!p) {
+ /* Reserve space for the eof flag and byte count */
+ if (unlikely(!xdr_reserve_space(xdr, XDR_UNIT * 2))) {
WARN_ON_ONCE(splice_ok);
return nfserr_resource;
}
- if (resp->xdr->buf->page_len && splice_ok) {
- WARN_ON_ONCE(1);
- return nfserr_serverfault;
- }
xdr_commit_encode(xdr);
maxcount = min_t(unsigned long, read->rd_length,
else
nfserr = nfsd4_encode_readv(resp, read, file, maxcount);
if (nfserr) {
- xdr_truncate_encode(xdr, starting_len);
+ xdr_truncate_encode(xdr, eof_offset);
return nfserr;
}
- p = xdr_encode_bool(p, read->rd_eof);
- *p = cpu_to_be32(read->rd_length);
+ wire_data[0] = read->rd_eof ? xdr_one : xdr_zero;
+ wire_data[1] = cpu_to_be32(read->rd_length);
+ write_bytes_to_xdr_buf(xdr->buf, eof_offset, &wire_data, XDR_UNIT * 2);
return nfs_ok;
}
union nfsd4_op_u *u)
{
struct nfsd4_readlink *readlink = &u->readlink;
- __be32 *p, *maxcount_p, zero = xdr_zero;
+ __be32 *p, wire_count, zero = xdr_zero;
struct xdr_stream *xdr = resp->xdr;
- int length_offset = xdr->buf->len;
+ unsigned int length_offset;
int maxcount, status;
- maxcount_p = xdr_reserve_space(xdr, XDR_UNIT);
- if (!maxcount_p)
+ /* linktext4.count */
+ length_offset = xdr->buf->len;
+ if (unlikely(!xdr_reserve_space(xdr, XDR_UNIT)))
return nfserr_resource;
- maxcount = PAGE_SIZE;
+ /* linktext4.data */
+ maxcount = PAGE_SIZE;
p = xdr_reserve_space(xdr, maxcount);
if (!p)
return nfserr_resource;
- /*
- * XXX: By default, vfs_readlink() will truncate symlinks if they
- * would overflow the buffer. Is this kosher in NFSv4? If not, one
- * easy fix is: if vfs_readlink() precisely fills the buffer, assume
- * that truncation occurred, and return NFS4ERR_RESOURCE.
- */
nfserr = nfsd_readlink(readlink->rl_rqstp, readlink->rl_fhp,
(char *)p, &maxcount);
if (nfserr == nfserr_isdir)
nfserr = nfserrno(status);
goto out_err;
}
- *maxcount_p = cpu_to_be32(maxcount);
+
+ wire_count = cpu_to_be32(maxcount);
+ write_bytes_to_xdr_buf(xdr->buf, length_offset, &wire_count, XDR_UNIT);
xdr_truncate_encode(xdr, length_offset + 4 + xdr_align_size(maxcount));
write_bytes_to_xdr_buf(xdr->buf, length_offset + 4 + maxcount, &zero,
xdr_pad_size(maxcount));
}
static __be32
- nfsd4_do_encode_secinfo(struct xdr_stream *xdr, struct svc_export *exp)
+ nfsd4_encode_secinfo4(struct xdr_stream *xdr, rpc_authflavor_t pf,
+ u32 *supported)
+ {
+ struct rpcsec_gss_info info;
+ __be32 status;
+
+ if (rpcauth_get_gssinfo(pf, &info) == 0) {
+ (*supported)++;
+
+ /* flavor */
+ status = nfsd4_encode_uint32_t(xdr, RPC_AUTH_GSS);
+ if (status != nfs_ok)
+ return status;
+ /* flavor_info */
+ status = nfsd4_encode_rpcsec_gss_info(xdr, &info);
+ if (status != nfs_ok)
+ return status;
+ } else if (pf < RPC_AUTH_MAXFLAVOR) {
+ (*supported)++;
+
+ /* flavor */
+ status = nfsd4_encode_uint32_t(xdr, pf);
+ if (status != nfs_ok)
+ return status;
+ }
+ return nfs_ok;
+ }
+
+ static __be32
+ nfsd4_encode_SECINFO4resok(struct xdr_stream *xdr, struct svc_export *exp)
{
u32 i, nflavs, supported;
struct exp_flavor_info *flavs;
struct exp_flavor_info def_flavs[2];
- static bool report = true;
- __be32 *flavorsp;
- __be32 status;
+ unsigned int count_offset;
+ __be32 status, wire_count;
if (exp->ex_nflavors) {
flavs = exp->ex_flavors;
}
}
- supported = 0;
- flavorsp = xdr_reserve_space(xdr, XDR_UNIT);
- if (!flavorsp)
+ count_offset = xdr->buf->len;
+ if (unlikely(!xdr_reserve_space(xdr, XDR_UNIT)))
return nfserr_resource;
- for (i = 0; i < nflavs; i++) {
- rpc_authflavor_t pf = flavs[i].pseudoflavor;
- struct rpcsec_gss_info info;
-
- if (rpcauth_get_gssinfo(pf, &info) == 0) {
- supported++;
-
- /* flavor */
- status = nfsd4_encode_uint32_t(xdr, RPC_AUTH_GSS);
- if (status != nfs_ok)
- return status;
- /* flavor_info */
- status = nfsd4_encode_rpcsec_gss_info(xdr, &info);
- if (status != nfs_ok)
- return status;
- } else if (pf < RPC_AUTH_MAXFLAVOR) {
- supported++;
-
- /* flavor */
- status = nfsd4_encode_uint32_t(xdr, pf);
- if (status != nfs_ok)
- return status;
- } else {
- if (report)
- pr_warn("NFS: SECINFO: security flavor %u "
- "is not supported\n", pf);
- }
+ for (i = 0, supported = 0; i < nflavs; i++) {
+ status = nfsd4_encode_secinfo4(xdr, flavs[i].pseudoflavor,
+ &supported);
+ if (status != nfs_ok)
+ return status;
}
- if (nflavs != supported)
- report = false;
- *flavorsp = cpu_to_be32(supported);
+ wire_count = cpu_to_be32(supported);
+ write_bytes_to_xdr_buf(xdr->buf, count_offset, &wire_count,
+ XDR_UNIT);
return 0;
}
struct nfsd4_secinfo *secinfo = &u->secinfo;
struct xdr_stream *xdr = resp->xdr;
- return nfsd4_do_encode_secinfo(xdr, secinfo->si_exp);
+ return nfsd4_encode_SECINFO4resok(xdr, secinfo->si_exp);
}
static __be32
struct nfsd4_secinfo_no_name *secinfo = &u->secinfo_no_name;
struct xdr_stream *xdr = resp->xdr;
- return nfsd4_do_encode_secinfo(xdr, secinfo->sin_exp);
+ return nfsd4_encode_SECINFO4resok(xdr, secinfo->sin_exp);
}
static __be32
if (nfserr != nfs_ok)
return nfserr;
/* sr_target_highest_slotid */
- nfserr = nfsd4_encode_slotid4(xdr, seq->maxslots - 1);
+ nfserr = nfsd4_encode_slotid4(xdr, seq->target_maxslots - 1);
if (nfserr != nfs_ok)
return nfserr;
/* sr_status_flags */
struct file *file = read->rd_nf->nf_file;
struct xdr_stream *xdr = resp->xdr;
bool splice_ok = argp->splice_ok;
+ unsigned int offset_offset;
+ __be32 nfserr, wire_count;
unsigned long maxcount;
- __be32 nfserr, *p;
+ __be64 wire_offset;
- /* Content type, offset, byte count */
- p = xdr_reserve_space(xdr, 4 + 8 + 4);
- if (!p)
+ if (xdr_stream_encode_u32(xdr, NFS4_CONTENT_DATA) != XDR_UNIT)
return nfserr_io;
- if (resp->xdr->buf->page_len && splice_ok) {
- WARN_ON_ONCE(splice_ok);
- return nfserr_serverfault;
- }
+
+ offset_offset = xdr->buf->len;
+
+ /* Reserve space for the byte offset and count */
+ if (unlikely(!xdr_reserve_space(xdr, XDR_UNIT * 3)))
+ return nfserr_io;
+ xdr_commit_encode(xdr);
maxcount = min_t(unsigned long, read->rd_length,
(xdr->buf->buflen - xdr->buf->len));
if (nfserr)
return nfserr;
- *p++ = cpu_to_be32(NFS4_CONTENT_DATA);
- p = xdr_encode_hyper(p, read->rd_offset);
- *p = cpu_to_be32(read->rd_length);
-
+ wire_offset = cpu_to_be64(read->rd_offset);
+ write_bytes_to_xdr_buf(xdr->buf, offset_offset, &wire_offset,
+ XDR_UNIT * 2);
+ wire_count = cpu_to_be32(read->rd_length);
+ write_bytes_to_xdr_buf(xdr->buf, offset_offset + XDR_UNIT * 2,
+ &wire_count, XDR_UNIT);
return nfs_ok;
}
struct nfsd4_read *read = &u->read;
struct file *file = read->rd_nf->nf_file;
struct xdr_stream *xdr = resp->xdr;
- int starting_len = xdr->buf->len;
+ unsigned int eof_offset;
+ __be32 wire_data[2];
u32 segments = 0;
- __be32 *p;
if (nfserr)
return nfserr;
- /* eof flag, segment count */
- p = xdr_reserve_space(xdr, 4 + 4);
- if (!p)
+ eof_offset = xdr->buf->len;
+
+ /* Reserve space for the eof flag and segment count */
+ if (unlikely(!xdr_reserve_space(xdr, XDR_UNIT * 2)))
return nfserr_io;
xdr_commit_encode(xdr);
nfserr = nfsd4_encode_read_plus_data(resp, read);
if (nfserr) {
- xdr_truncate_encode(xdr, starting_len);
+ xdr_truncate_encode(xdr, eof_offset);
return nfserr;
}
segments++;
out:
- p = xdr_encode_bool(p, read->rd_eof);
- *p = cpu_to_be32(segments);
+ wire_data[0] = read->rd_eof ? xdr_one : xdr_zero;
+ wire_data[1] = cpu_to_be32(segments);
+ write_bytes_to_xdr_buf(xdr->buf, eof_offset, &wire_data, XDR_UNIT * 2);
return nfserr;
}
struct nfs4_stateowner *so = resp->cstate.replay_owner;
struct svc_rqst *rqstp = resp->rqstp;
const struct nfsd4_operation *opdesc = op->opdesc;
- int post_err_offset;
+ unsigned int op_status_offset;
nfsd4_enc encoder;
- __be32 *p;
- p = xdr_reserve_space(xdr, 8);
- if (!p)
+ if (xdr_stream_encode_u32(xdr, op->opnum) != XDR_UNIT)
+ goto release;
+ op_status_offset = xdr->buf->len;
+ if (!xdr_reserve_space(xdr, XDR_UNIT))
goto release;
- *p++ = cpu_to_be32(op->opnum);
- post_err_offset = xdr->buf->len;
if (op->opnum == OP_ILLEGAL)
goto status;
* bug if we had to do this on a non-idempotent op:
*/
warn_on_nonidempotent_op(op);
- xdr_truncate_encode(xdr, post_err_offset);
+ xdr_truncate_encode(xdr, op_status_offset + XDR_UNIT);
}
if (so) {
- int len = xdr->buf->len - post_err_offset;
+ int len = xdr->buf->len - (op_status_offset + XDR_UNIT);
so->so_replay.rp_status = op->status;
so->so_replay.rp_buflen = len;
- read_bytes_from_xdr_buf(xdr->buf, post_err_offset,
+ read_bytes_from_xdr_buf(xdr->buf, op_status_offset + XDR_UNIT,
so->so_replay.rp_buf, len);
}
status:
op->status = nfsd4_map_status(op->status,
resp->cstate.minorversion);
- *p = op->status;
+ write_bytes_to_xdr_buf(xdr->buf, op_status_offset,
+ &op->status, XDR_UNIT);
release:
if (opdesc && opdesc->op_release)
opdesc->op_release(&op->u);
projects / linux.git / commitdiff