Commit 3e1f900b authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge git://git.linux-nfs.org/pub/linux/nfs-2.6

* git://git.linux-nfs.org/pub/linux/nfs-2.6:
  NFSv4: handle lack of clientaddr in option string
  NFSv4: debug print ntohl(status) in nfs client callback xdr code
  SUNRPC: Clean up the sillyrename code
  NFS: Introduce struct nfs_removeargs+nfs_removeres
  NFS: Use dentry->d_time to store the parent directory verifier.
  SUNRPC: move bkl locking and xdr proc invocation into a common helper
  NFSv4: Fix the nfsv4 readlink reply buffer alignment
  NFSv4: Fix the readdir reply buffer alignment
  NFSv4: More NFSv4 xdr cleanups
  NFSv4: Try to recover from getfh failures in nfs4_xdr_dec_open
  NFSv4: 'constify' lookup arguments.
  NFSv4: Don't fail nfs4_xdr_dec_open if decode_restorefh() failed
  NFSv4: Fix open state recovery
  NFSD/SUNRPC: Fix the automatic selection of RPCSEC_GSS
parents 12795067 0a87cf12
......@@ -1674,7 +1674,7 @@ config NFSD_V3_ACL
config NFSD_V4
bool "Provide NFSv4 server support (EXPERIMENTAL)"
depends on NFSD_V3 && EXPERIMENTAL
depends on NFSD && NFSD_V3 && EXPERIMENTAL
select RPCSEC_GSS_KRB5
help
If you would like to include the NFSv4 server as well as the NFSv2
......
......@@ -179,7 +179,7 @@ static __be32 decode_getattr_args(struct svc_rqst *rqstp, struct xdr_stream *xdr
args->addr = svc_addr_in(rqstp);
status = decode_bitmap(xdr, args->bitmap);
out:
dprintk("%s: exit with status = %d\n", __FUNCTION__, status);
dprintk("%s: exit with status = %d\n", __FUNCTION__, ntohl(status));
return status;
}
......@@ -200,7 +200,7 @@ static __be32 decode_recall_args(struct svc_rqst *rqstp, struct xdr_stream *xdr,
args->truncate = ntohl(*p);
status = decode_fh(xdr, &args->fh);
out:
dprintk("%s: exit with status = %d\n", __FUNCTION__, status);
dprintk("%s: exit with status = %d\n", __FUNCTION__, ntohl(status));
return status;
}
......@@ -349,7 +349,7 @@ static __be32 encode_getattr_res(struct svc_rqst *rqstp, struct xdr_stream *xdr,
status = encode_attr_mtime(xdr, res->bitmap, &res->mtime);
*savep = htonl((unsigned int)((char *)xdr->p - (char *)(savep+1)));
out:
dprintk("%s: exit with status = %d\n", __FUNCTION__, status);
dprintk("%s: exit with status = %d\n", __FUNCTION__, ntohl(status));
return status;
}
......@@ -392,7 +392,7 @@ static __be32 process_op(struct svc_rqst *rqstp,
status = res;
if (op->encode_res != NULL && status == 0)
status = op->encode_res(rqstp, xdr_out, resp);
dprintk("%s: done, status = %d\n", __FUNCTION__, status);
dprintk("%s: done, status = %d\n", __FUNCTION__, ntohl(status));
return status;
}
......@@ -431,7 +431,7 @@ static __be32 nfs4_callback_compound(struct svc_rqst *rqstp, void *argp, void *r
}
*hdr_res.status = status;
*hdr_res.nops = htonl(nops);
dprintk("%s: done, status = %u\n", __FUNCTION__, status);
dprintk("%s: done, status = %u\n", __FUNCTION__, ntohl(status));
return rpc_success;
}
......
......@@ -654,7 +654,7 @@ static int nfs_check_verifier(struct inode *dir, struct dentry *dentry)
if (IS_ROOT(dentry))
return 1;
verf = (unsigned long)dentry->d_fsdata;
verf = dentry->d_time;
if (nfs_caches_unstable(dir)
|| verf != NFS_I(dir)->cache_change_attribute)
return 0;
......@@ -663,7 +663,7 @@ static int nfs_check_verifier(struct inode *dir, struct dentry *dentry)
static inline void nfs_set_verifier(struct dentry * dentry, unsigned long verf)
{
dentry->d_fsdata = (void *)verf;
dentry->d_time = verf;
}
static void nfs_refresh_verifier(struct dentry * dentry, unsigned long verf)
......@@ -869,7 +869,7 @@ static void nfs_dentry_iput(struct dentry *dentry, struct inode *inode)
if (dentry->d_flags & DCACHE_NFSFS_RENAMED) {
lock_kernel();
drop_nlink(inode);
nfs_complete_unlink(dentry);
nfs_complete_unlink(dentry, inode);
unlock_kernel();
}
/* When creating a negative dentry, we want to renew d_time */
......@@ -1411,7 +1411,7 @@ static int nfs_sillyrename(struct inode *dir, struct dentry *dentry)
nfs_renew_times(dentry);
nfs_set_verifier(dentry, nfs_save_change_attribute(dir));
d_move(dentry, sdentry);
error = nfs_async_unlink(dentry);
error = nfs_async_unlink(dir, dentry);
/* If we return 0 we don't unlink */
}
dput(sdentry);
......
......@@ -43,6 +43,7 @@
#define NFS_entry_sz (NFS_filename_sz+3)
#define NFS_diropargs_sz (NFS_fhandle_sz+NFS_filename_sz)
#define NFS_removeargs_sz (NFS_fhandle_sz+NFS_filename_sz)
#define NFS_sattrargs_sz (NFS_fhandle_sz+NFS_sattr_sz)
#define NFS_readlinkargs_sz (NFS_fhandle_sz)
#define NFS_readargs_sz (NFS_fhandle_sz+3)
......@@ -66,7 +67,7 @@
* Common NFS XDR functions as inlines
*/
static inline __be32 *
xdr_encode_fhandle(__be32 *p, struct nfs_fh *fhandle)
xdr_encode_fhandle(__be32 *p, const struct nfs_fh *fhandle)
{
memcpy(p, fhandle->data, NFS2_FHSIZE);
return p + XDR_QUADLEN(NFS2_FHSIZE);
......@@ -204,7 +205,7 @@ nfs_xdr_sattrargs(struct rpc_rqst *req, __be32 *p, struct nfs_sattrargs *args)
/*
* Encode directory ops argument
* LOOKUP, REMOVE, RMDIR
* LOOKUP, RMDIR
*/
static int
nfs_xdr_diropargs(struct rpc_rqst *req, __be32 *p, struct nfs_diropargs *args)
......@@ -215,6 +216,18 @@ nfs_xdr_diropargs(struct rpc_rqst *req, __be32 *p, struct nfs_diropargs *args)
return 0;
}
/*
* Encode REMOVE argument
*/
static int
nfs_xdr_removeargs(struct rpc_rqst *req, __be32 *p, const struct nfs_removeargs *args)
{
p = xdr_encode_fhandle(p, args->fh);
p = xdr_encode_array(p, args->name.name, args->name.len);
req->rq_slen = xdr_adjust_iovec(req->rq_svec, p);
return 0;
}
/*
* Arguments to a READ call. Since we read data directly into the page
* cache, we also set up the reply iovec here so that iov[1] points
......@@ -705,7 +718,7 @@ struct rpc_procinfo nfs_procedures[] = {
PROC(READ, readargs, readres, 3),
PROC(WRITE, writeargs, writeres, 4),
PROC(CREATE, createargs, diropres, 0),
PROC(REMOVE, diropargs, stat, 0),
PROC(REMOVE, removeargs, stat, 0),
PROC(RENAME, renameargs, stat, 0),
PROC(LINK, linkargs, stat, 0),
PROC(SYMLINK, symlinkargs, stat, 0),
......
......@@ -349,62 +349,42 @@ out:
static int
nfs3_proc_remove(struct inode *dir, struct qstr *name)
{
struct nfs_fattr dir_attr;
struct nfs3_diropargs arg = {
.fh = NFS_FH(dir),
.name = name->name,
.len = name->len
struct nfs_removeargs arg = {
.fh = NFS_FH(dir),
.name.len = name->len,
.name.name = name->name,
};
struct rpc_message msg = {
.rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE],
.rpc_argp = &arg,
.rpc_resp = &dir_attr,
struct nfs_removeres res;
struct rpc_message msg = {
.rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE],
.rpc_argp = &arg,
.rpc_resp = &res,
};
int status;
dprintk("NFS call remove %s\n", name->name);
nfs_fattr_init(&dir_attr);
nfs_fattr_init(&res.dir_attr);
status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
nfs_post_op_update_inode(dir, &dir_attr);
nfs_post_op_update_inode(dir, &res.dir_attr);
dprintk("NFS reply remove: %d\n", status);
return status;
}
static int
nfs3_proc_unlink_setup(struct rpc_message *msg, struct dentry *dir, struct qstr *name)
static void
nfs3_proc_unlink_setup(struct rpc_message *msg, struct inode *dir)
{
struct unlinkxdr {
struct nfs3_diropargs arg;
struct nfs_fattr res;
} *ptr;
ptr = kmalloc(sizeof(*ptr), GFP_KERNEL);
if (!ptr)
return -ENOMEM;
ptr->arg.fh = NFS_FH(dir->d_inode);
ptr->arg.name = name->name;
ptr->arg.len = name->len;
nfs_fattr_init(&ptr->res);
msg->rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE];
msg->rpc_argp = &ptr->arg;
msg->rpc_resp = &ptr->res;
return 0;
}
static int
nfs3_proc_unlink_done(struct dentry *dir, struct rpc_task *task)
nfs3_proc_unlink_done(struct rpc_task *task, struct inode *dir)
{
struct rpc_message *msg = &task->tk_msg;
struct nfs_fattr *dir_attr;
if (nfs3_async_handle_jukebox(task, dir->d_inode))
return 1;
if (msg->rpc_argp) {
dir_attr = (struct nfs_fattr*)msg->rpc_resp;
nfs_post_op_update_inode(dir->d_inode, dir_attr);
kfree(msg->rpc_argp);
}
return 0;
struct nfs_removeres *res;
if (nfs3_async_handle_jukebox(task, dir))
return 0;
res = task->tk_msg.rpc_resp;
nfs_post_op_update_inode(dir, &res->dir_attr);
return 1;
}
static int
......
......@@ -50,6 +50,7 @@
#define NFS3_sattrargs_sz (NFS3_fh_sz+NFS3_sattr_sz+3)
#define NFS3_diropargs_sz (NFS3_fh_sz+NFS3_filename_sz)
#define NFS3_removeargs_sz (NFS3_fh_sz+NFS3_filename_sz)
#define NFS3_accessargs_sz (NFS3_fh_sz+1)
#define NFS3_readlinkargs_sz (NFS3_fh_sz)
#define NFS3_readargs_sz (NFS3_fh_sz+3)
......@@ -65,6 +66,7 @@
#define NFS3_attrstat_sz (1+NFS3_fattr_sz)
#define NFS3_wccstat_sz (1+NFS3_wcc_data_sz)
#define NFS3_removeres_sz (NFS3_wccstat_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)
......@@ -106,7 +108,7 @@ static struct {
* Common NFS XDR functions as inlines
*/
static inline __be32 *
xdr_encode_fhandle(__be32 *p, struct nfs_fh *fh)
xdr_encode_fhandle(__be32 *p, const struct nfs_fh *fh)
{
return xdr_encode_array(p, fh->data, fh->size);
}
......@@ -299,6 +301,18 @@ nfs3_xdr_diropargs(struct rpc_rqst *req, __be32 *p, struct nfs3_diropargs *args)
return 0;
}
/*
* Encode REMOVE argument
*/
static int
nfs3_xdr_removeargs(struct rpc_rqst *req, __be32 *p, const struct nfs_removeargs *args)
{
p = xdr_encode_fhandle(p, args->fh);
p = xdr_encode_array(p, args->name.name, args->name.len);
req->rq_slen = xdr_adjust_iovec(req->rq_svec, p);
return 0;
}
/*
* Encode access() argument
*/
......@@ -736,6 +750,12 @@ nfs3_xdr_wccstat(struct rpc_rqst *req, __be32 *p, struct nfs_fattr *fattr)
return status;
}
static int
nfs3_xdr_removeres(struct rpc_rqst *req, __be32 *p, struct nfs_removeres *res)
{
return nfs3_xdr_wccstat(req, p, &res->dir_attr);
}
/*
* Decode LOOKUP reply
*/
......@@ -1126,7 +1146,7 @@ struct rpc_procinfo nfs3_procedures[] = {
PROC(MKDIR, mkdirargs, createres, 0),
PROC(SYMLINK, symlinkargs, createres, 0),
PROC(MKNOD, mknodargs, createres, 0),
PROC(REMOVE, diropargs, wccstat, 0),
PROC(REMOVE, removeargs, removeres, 0),
PROC(RMDIR, diropargs, wccstat, 0),
PROC(RENAME, renameargs, renameres, 0),
PROC(LINK, linkargs, linkres, 0),
......
......@@ -182,7 +182,7 @@ extern int nfs4_do_close(struct path *path, struct nfs4_state *state);
extern struct dentry *nfs4_atomic_open(struct inode *, struct dentry *, struct nameidata *);
extern int nfs4_open_revalidate(struct inode *, struct dentry *, int, struct nameidata *);
extern int nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *fhandle);
extern int nfs4_proc_fs_locations(struct inode *dir, struct qstr *name,
extern int nfs4_proc_fs_locations(struct inode *dir, const struct qstr *name,
struct nfs4_fs_locations *fs_locations, struct page *page);
extern struct nfs4_state_recovery_ops nfs4_reboot_recovery_ops;
......
......@@ -66,6 +66,8 @@ static int _nfs4_proc_access(struct inode *inode, struct nfs_access_entry *entry
static int nfs4_handle_exception(const struct nfs_server *server, int errorcode, struct nfs4_exception *exception);
static int nfs4_wait_clnt_recover(struct rpc_clnt *clnt, struct nfs_client *clp);
static int _nfs4_do_access(struct inode *inode, struct rpc_cred *cred, int openflags);
static int _nfs4_proc_lookup(struct inode *dir, const struct qstr *name, struct nfs_fh *fhandle, struct nfs_fattr *fattr);
static int _nfs4_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle, struct nfs_fattr *fattr);
/* Prevent leaks of NFSv4 errors into userland */
int nfs4_map_errors(int err)
......@@ -552,6 +554,18 @@ static struct nfs_open_context *nfs4_state_find_open_context(struct nfs4_state *
return ERR_PTR(-ENOENT);
}
static struct nfs4_opendata *nfs4_open_recoverdata_alloc(struct nfs_open_context *ctx, struct nfs4_state *state)
{
struct nfs4_opendata *opendata;
opendata = nfs4_opendata_alloc(&ctx->path, state->owner, 0, NULL);
if (opendata == NULL)
return ERR_PTR(-ENOMEM);
opendata->state = state;
atomic_inc(&state->count);
return opendata;
}
static int nfs4_open_recover_helper(struct nfs4_opendata *opendata, mode_t openflags, struct nfs4_state **res)
{
struct nfs4_state *newstate;
......@@ -626,12 +640,11 @@ static int _nfs4_do_open_reclaim(struct nfs_open_context *ctx, struct nfs4_state
int delegation_type = 0;
int status;
opendata = nfs4_opendata_alloc(&ctx->path, state->owner, 0, NULL);
if (opendata == NULL)
return -ENOMEM;
opendata = nfs4_open_recoverdata_alloc(ctx, state);
if (IS_ERR(opendata))
return PTR_ERR(opendata);
opendata->o_arg.claim = NFS4_OPEN_CLAIM_PREVIOUS;
opendata->o_arg.fh = NFS_FH(state->inode);
nfs_copy_fh(&opendata->o_res.fh, opendata->o_arg.fh);
rcu_read_lock();
delegation = rcu_dereference(NFS_I(state->inode)->delegation);
if (delegation != NULL && (delegation->flags & NFS_DELEGATION_NEED_RECLAIM) != 0)
......@@ -672,13 +685,12 @@ static int nfs4_open_reclaim(struct nfs4_state_owner *sp, struct nfs4_state *sta
static int _nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state *state, const nfs4_stateid *stateid)
{
struct nfs4_state_owner *sp = state->owner;
struct nfs4_opendata *opendata;
int ret;
opendata = nfs4_opendata_alloc(&ctx->path, sp, 0, NULL);
if (opendata == NULL)
return -ENOMEM;
opendata = nfs4_open_recoverdata_alloc(ctx, state);
if (IS_ERR(opendata))
return PTR_ERR(opendata);
opendata->o_arg.claim = NFS4_OPEN_CLAIM_DELEGATE_CUR;
memcpy(opendata->o_arg.u.delegation.data, stateid->data,
sizeof(opendata->o_arg.u.delegation.data));
......@@ -823,8 +835,10 @@ static void nfs4_open_prepare(struct rpc_task *task, void *calldata)
/* Update sequence id. */
data->o_arg.id = sp->so_owner_id.id;
data->o_arg.clientid = sp->so_client->cl_clientid;
if (data->o_arg.claim == NFS4_OPEN_CLAIM_PREVIOUS)
if (data->o_arg.claim == NFS4_OPEN_CLAIM_PREVIOUS) {
msg.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_OPEN_NOATTR];
nfs_copy_fh(&data->o_res.fh, data->o_arg.fh);
}
data->timestamp = jiffies;
rpc_call_setup(task, &msg, 0);
return;
......@@ -918,6 +932,9 @@ static int _nfs4_proc_open(struct nfs4_opendata *data)
if (status != 0 || !data->rpc_done)
return status;
if (o_res->fh.size == 0)
_nfs4_proc_lookup(dir, o_arg->name, &o_res->fh, o_res->f_attr);
if (o_arg->open_flags & O_CREAT) {
update_changeattr(dir, &o_res->cinfo);
nfs_post_op_update_inode(dir, o_res->dir_attr);
......@@ -929,7 +946,7 @@ static int _nfs4_proc_open(struct nfs4_opendata *data)
return status;
}
if (!(o_res->f_attr->valid & NFS_ATTR_FATTR))
return server->nfs_client->rpc_ops->getattr(server, &o_res->fh, o_res->f_attr);
_nfs4_proc_getattr(server, &o_res->fh, o_res->f_attr);
return 0;
}
......@@ -989,9 +1006,9 @@ static int _nfs4_open_expired(struct nfs_open_context *ctx, struct nfs4_state *s
struct nfs4_opendata *opendata;
int ret;
opendata = nfs4_opendata_alloc(&ctx->path, state->owner, 0, NULL);
if (opendata == NULL)
return -ENOMEM;
opendata = nfs4_open_recoverdata_alloc(ctx, state);
if (IS_ERR(opendata))
return PTR_ERR(opendata);
ret = nfs4_open_recover(opendata, state);
if (ret == -ESTALE) {
/* Invalidate the state owner so we don't ever use it again */
......@@ -1553,7 +1570,7 @@ static int nfs4_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle,
* Note that we'll actually follow the referral later when
* we detect fsid mismatch in inode revalidation
*/
static int nfs4_get_referral(struct inode *dir, struct qstr *name, struct nfs_fattr *fattr, struct nfs_fh *fhandle)
static int nfs4_get_referral(struct inode *dir, const struct qstr *name, struct nfs_fattr *fattr, struct nfs_fh *fhandle)
{
int status = -ENOMEM;
struct page *page = NULL;
......@@ -1668,8 +1685,8 @@ nfs4_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,
return status;
}
static int _nfs4_proc_lookupfh(struct nfs_server *server, struct nfs_fh *dirfh,
struct qstr *name, struct nfs_fh *fhandle,
static int _nfs4_proc_lookupfh(struct nfs_server *server, const struct nfs_fh *dirfh,
const struct qstr *name, struct nfs_fh *fhandle,
struct nfs_fattr *fattr)
{
int status;
......@@ -1715,7 +1732,7 @@ static int nfs4_proc_lookupfh(struct nfs_server *server, struct nfs_fh *dirfh,
return err;
}
static int _nfs4_proc_lookup(struct inode *dir, struct qstr *name,
static int _nfs4_proc_lookup(struct inode *dir, const struct qstr *name,
struct nfs_fh *fhandle, struct nfs_fattr *fattr)
{
int status;
......@@ -1908,28 +1925,27 @@ out:
static int _nfs4_proc_remove(struct inode *dir, struct qstr *name)
{
struct nfs_server *server = NFS_SERVER(dir);
struct nfs4_remove_arg args = {
struct nfs_removeargs args = {
.fh = NFS_FH(dir),
.name = name,
.name.len = name->len,
.name.name = name->name,
.bitmask = server->attr_bitmask,
};
struct nfs_fattr dir_attr;
struct nfs4_remove_res res = {
struct nfs_removeres res = {
.server = server,
.dir_attr = &dir_attr,
};
struct rpc_message msg = {
.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_REMOVE],
.rpc_argp = &args,
.rpc_resp = &res,
.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_REMOVE],
.rpc_argp = &args,
.rpc_resp = &res,
};
int status;
nfs_fattr_init(res.dir_attr);
nfs_fattr_init(&res.dir_attr);
status = rpc_call_sync(server->client, &msg, 0);
if (status == 0) {
update_changeattr(dir, &res.cinfo);
nfs_post_op_update_inode(dir, res.dir_attr);
nfs_post_op_update_inode(dir, &res.dir_attr);
}
return status;
}
......@@ -1946,48 +1962,26 @@ static int nfs4_proc_remove(struct inode *dir, struct qstr *name)
return err;
}
struct unlink_desc {
struct nfs4_remove_arg args;
struct nfs4_remove_res res;
struct nfs_fattr dir_attr;
};
static int nfs4_proc_unlink_setup(struct rpc_message *msg, struct dentry *dir,
struct qstr *name)
static void nfs4_proc_unlink_setup(struct rpc_message *msg, struct inode *dir)
{
struct nfs_server *server = NFS_SERVER(dir->d_inode);
struct unlink_desc *up;
struct nfs_server *server = NFS_SERVER(dir);
struct nfs_removeargs *args = msg->rpc_argp;
struct nfs_removeres *res = msg->rpc_resp;
up = kmalloc(sizeof(*up), GFP_KERNEL);
if (!up)
return -ENOMEM;
up->args.fh = NFS_FH(dir->d_inode);
up->args.name = name;
up->args.bitmask = server->attr_bitmask;
up->res.server = server;
up->res.dir_attr = &up->dir_attr;
args->bitmask = server->attr_bitmask;
res->server = server;
msg->rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_REMOVE];
msg->rpc_argp = &up->args;
msg->rpc_resp = &up->res;
return 0;
}
static int nfs4_proc_unlink_done(struct dentry *dir, struct rpc_task *task)
static int nfs4_proc_unlink_done(struct rpc_task *task, struct inode *dir)
{
struct rpc_message *msg = &task->tk_msg;
struct unlink_desc *up;
if (msg->rpc_resp != NULL) {
up = container_of(msg->rpc_resp, struct unlink_desc, res);
update_changeattr(dir->d_inode, &up->res.cinfo);
nfs_post_op_update_inode(dir->d_inode, up->res.dir_attr);
kfree(up);
msg->rpc_resp = NULL;
msg->rpc_argp = NULL;
}
return 0;
struct nfs_removeres *res = task->tk_msg.rpc_resp;
if (nfs4_async_handle_error(task, res->server) == -EAGAIN)
return 0;
update_changeattr(dir, &res->cinfo);
nfs_post_op_update_inode(dir, &res->dir_attr);
return 1;
}
static int _nfs4_proc_rename(struct inode *old_dir, struct qstr *old_name,
......@@ -3672,7 +3666,7 @@ ssize_t nfs4_listxattr(struct dentry *dentry, char *buf, size_t buflen)
return len;
}
int nfs4_proc_fs_locations(struct inode *dir, struct qstr *name,
int nfs4_proc_fs_locations(struct inode *dir, const struct qstr *name,
struct nfs4_fs_locations *fs_locations, struct page *page)
{
struct nfs_server *server = NFS_SERVER(dir);
......
......@@ -72,10 +72,15 @@ static int nfs4_stat_to_errno(int);
*/
#define open_owner_id_maxsz (1 + 4)
#define lock_owner_id_maxsz (1 + 4)
#define decode_lockowner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ))
#define compound_encode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2))
#define compound_decode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2))
#define op_encode_hdr_maxsz (1)
#define op_decode_hdr_maxsz (2)
#define encode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE))
#define decode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE))
#define encode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE))
#define decode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE))
#define encode_putfh_maxsz (op_encode_hdr_maxsz + 1 + \
(NFS4_FHSIZE >> 2))
#define decode_putfh_maxsz (op_decode_hdr_maxsz)
......@@ -96,6 +101,11 @@ static int nfs4_stat_to_errno(int);
#define nfs4_fattr_maxsz (nfs4_fattr_bitmap_maxsz + \
nfs4_fattr_value_maxsz)
#define decode_getattr_maxsz (op_decode_hdr_maxsz + nfs4_fattr_maxsz)
#define encode_attrs_maxsz (nfs4_fattr_bitmap_maxsz + \
1 + 2 + 1 + \
nfs4_owner_maxsz + \
nfs4_group_maxsz + \
4 + 4)
#define encode_savefh_maxsz (op_encode_hdr_maxsz)
#define decode_savefh_maxsz (op_decode_hdr_maxsz)
#define encode_restorefh_maxsz (op_encode_hdr_maxsz)
......@@ -123,7 +133,7 @@ static int nfs4_stat_to_errno(int);
#define decode_lookup_maxsz (op_decode_hdr_maxsz)
#define encode_share_access_maxsz \
(2)
#define encode_createmode_maxsz (1 + nfs4_fattr_maxsz)
#define encode_createmode_maxsz (1 + encode_attrs_maxsz)
#define encode_opentype_maxsz (1 + encode_createmode_maxsz)
#define encode_claim_null_maxsz (1 + nfs4_name_maxsz)
#define encode_open_maxsz (op_encode_hdr_maxsz + \
......@@ -132,14 +142,52 @@ static int nfs4_stat_to_errno(int);
encode_opentype_maxsz + \
encode_claim_null_maxsz)
#define decode_ace_maxsz (3 + nfs4_owner_maxsz)
#define decode_delegation_maxsz (1 + XDR_QUADLEN(NFS4_STATEID_SIZE) + 1 + \
#define decode_delegation_maxsz (1 + decode_stateid_maxsz + 1 + \
decode_ace_maxsz)
#define decode_change_info_maxsz (5)
#define decode_open_maxsz (op_decode_hdr_maxsz + \
XDR_QUADLEN(NFS4_STATEID_SIZE) + \
decode_stateid_maxsz + \
decode_change_info_maxsz + 1 + \
nfs4_fattr_bitmap_maxsz + \
decode_delegation_maxsz)
#define encode_open_confirm_maxsz \
(op_encode_hdr_maxsz + \
encode_stateid_maxsz + 1)
#define decode_open_confirm_maxsz \
(op_decode_hdr_maxsz + \
decode_stateid_maxsz)
#define encode_open_downgrade_maxsz \
(op_encode_hdr_maxsz + \
encode_stateid_maxsz + 1 + \
encode_share_access_maxsz)
#define decode_open_downgrade_maxsz \
(op_decode_hdr_maxsz + \
decode_stateid_maxsz)
#define encode_close_maxsz (op_encode_hdr_maxsz + \
1 + encode_stateid_maxsz)
#define decode_close_maxsz (op_decode_hdr_maxsz + \
decode_stateid_maxsz)
#define encode_setattr_maxsz (op_encode_hdr_maxsz + \
encode_stateid_maxsz + \
encode_attrs_maxsz)
#define decode_setattr_maxsz (op_decode_hdr_maxsz + \
nfs4_fattr_bitmap_maxsz)
#define encode_read_maxsz (op_encode_hdr_maxsz + \
encode_stateid_maxsz + 3)
#define decode_read_maxsz (op_decode_hdr_maxsz + 2)
#define encode_readdir_maxsz (op_encode_hdr_maxsz + \
2 + encode_verifier_maxsz + 5)
#define decode_readdir_maxsz (op_decode_hdr_maxsz + \
decode_verifier_maxsz)
#define encode_readlink_maxsz (op_encode_hdr_maxsz)
#define decode_readlink_maxsz (op_decode_hdr_maxsz + 1)
#define encode_write_maxsz (op_encode_hdr_maxsz + \
encode_stateid_maxsz + 4)
#define decode_write_maxsz (op_decode_hdr_maxsz + \