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-rw-r--r--fs/lockd/clnt4xdr.c8
-rw-r--r--fs/lockd/clntproc.c3
-rw-r--r--fs/lockd/clntxdr.c8
-rw-r--r--fs/lockd/host.c15
-rw-r--r--fs/lockd/mon.c3
-rw-r--r--fs/nfs/Makefile2
-rw-r--r--fs/nfs/blocklayout/blocklayout.c1
-rw-r--r--fs/nfs/cache_lib.c1
-rw-r--r--fs/nfs/callback.h4
-rw-r--r--fs/nfs/callback_proc.c17
-rw-r--r--fs/nfs/callback_xdr.c5
-rw-r--r--fs/nfs/client.c9
-rw-r--r--fs/nfs/dir.c22
-rw-r--r--fs/nfs/direct.c17
-rw-r--r--fs/nfs/inode.c10
-rw-r--r--fs/nfs/internal.h42
-rw-r--r--fs/nfs/mount_clnt.c7
-rw-r--r--fs/nfs/nfs2xdr.c4
-rw-r--r--fs/nfs/nfs3proc.c6
-rw-r--r--fs/nfs/nfs3xdr.c7
-rw-r--r--fs/nfs/nfs4_fs.h29
-rw-r--r--fs/nfs/nfs4client.c5
-rw-r--r--fs/nfs/nfs4file.c1
-rw-r--r--fs/nfs/nfs4filelayout.c45
-rw-r--r--fs/nfs/nfs4filelayoutdev.c3
-rw-r--r--fs/nfs/nfs4proc.c820
-rw-r--r--fs/nfs/nfs4session.c552
-rw-r--r--fs/nfs/nfs4session.h142
-rw-r--r--fs/nfs/nfs4state.c143
-rw-r--r--fs/nfs/nfs4super.c1
-rw-r--r--fs/nfs/nfs4xdr.c52
-rw-r--r--fs/nfs/objlayout/objlayout.c11
-rw-r--r--fs/nfs/pnfs.c17
-rw-r--r--fs/nfs/proc.c43
-rw-r--r--fs/nfs/super.c2
-rw-r--r--fs/nfs/write.c31
-rw-r--r--include/linux/nfs_fs_sb.h47
-rw-r--r--include/linux/nfs_xdr.h155
-rw-r--r--include/linux/sunrpc/sched.h1
-rw-r--r--net/sunrpc/auth_gss/auth_gss.c17
-rw-r--r--net/sunrpc/backchannel_rqst.c9
-rw-r--r--net/sunrpc/bc_svc.c2
-rw-r--r--net/sunrpc/cache.c4
-rw-r--r--net/sunrpc/clnt.c48
-rw-r--r--net/sunrpc/rpc_pipe.c9
-rw-r--r--net/sunrpc/rpcb_clnt.c5
-rw-r--r--net/sunrpc/sched.c71
-rw-r--r--net/sunrpc/svc.c12
-rw-r--r--net/sunrpc/svc_xprt.c11
-rw-r--r--net/sunrpc/svcsock.c6
-rw-r--r--net/sunrpc/xdr.c5
-rw-r--r--net/sunrpc/xprtsock.c19
52 files changed, 1335 insertions, 1174 deletions
diff --git a/fs/lockd/clnt4xdr.c b/fs/lockd/clnt4xdr.c
index 13ad1539fbf2..00ec0b9c94d1 100644
--- a/fs/lockd/clnt4xdr.c
+++ b/fs/lockd/clnt4xdr.c
@@ -64,10 +64,6 @@ static void nlm4_compute_offsets(const struct nlm_lock *lock,
{
const struct file_lock *fl = &lock->fl;
- BUG_ON(fl->fl_start > NLM4_OFFSET_MAX);
- BUG_ON(fl->fl_end > NLM4_OFFSET_MAX &&
- fl->fl_end != OFFSET_MAX);
-
*l_offset = loff_t_to_s64(fl->fl_start);
if (fl->fl_end == OFFSET_MAX)
*l_len = 0;
@@ -122,7 +118,6 @@ static void encode_netobj(struct xdr_stream *xdr,
{
__be32 *p;
- BUG_ON(length > XDR_MAX_NETOBJ);
p = xdr_reserve_space(xdr, 4 + length);
xdr_encode_opaque(p, data, length);
}
@@ -156,7 +151,6 @@ out_overflow:
static void encode_cookie(struct xdr_stream *xdr,
const struct nlm_cookie *cookie)
{
- BUG_ON(cookie->len > NLM_MAXCOOKIELEN);
encode_netobj(xdr, (u8 *)&cookie->data, cookie->len);
}
@@ -198,7 +192,6 @@ out_overflow:
*/
static void encode_fh(struct xdr_stream *xdr, const struct nfs_fh *fh)
{
- BUG_ON(fh->size > NFS3_FHSIZE);
encode_netobj(xdr, (u8 *)&fh->data, fh->size);
}
@@ -336,7 +329,6 @@ static void encode_caller_name(struct xdr_stream *xdr, const char *name)
u32 length = strlen(name);
__be32 *p;
- BUG_ON(length > NLM_MAXSTRLEN);
p = xdr_reserve_space(xdr, 4 + length);
xdr_encode_opaque(p, name, length);
}
diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c
index 05d29124c6ab..54f9e6ce0430 100644
--- a/fs/lockd/clntproc.c
+++ b/fs/lockd/clntproc.c
@@ -141,7 +141,7 @@ static void nlmclnt_setlockargs(struct nlm_rqst *req, struct file_lock *fl)
static void nlmclnt_release_lockargs(struct nlm_rqst *req)
{
- BUG_ON(req->a_args.lock.fl.fl_ops != NULL);
+ WARN_ON_ONCE(req->a_args.lock.fl.fl_ops != NULL);
}
/**
@@ -465,7 +465,6 @@ static const struct file_lock_operations nlmclnt_lock_ops = {
static void nlmclnt_locks_init_private(struct file_lock *fl, struct nlm_host *host)
{
- BUG_ON(fl->fl_ops != NULL);
fl->fl_u.nfs_fl.state = 0;
fl->fl_u.nfs_fl.owner = nlm_find_lockowner(host, fl->fl_owner);
INIT_LIST_HEAD(&fl->fl_u.nfs_fl.list);
diff --git a/fs/lockd/clntxdr.c b/fs/lockd/clntxdr.c
index 982d2676e1f8..9a55797a1cd4 100644
--- a/fs/lockd/clntxdr.c
+++ b/fs/lockd/clntxdr.c
@@ -60,10 +60,6 @@ static void nlm_compute_offsets(const struct nlm_lock *lock,
{
const struct file_lock *fl = &lock->fl;
- BUG_ON(fl->fl_start > NLM_OFFSET_MAX);
- BUG_ON(fl->fl_end > NLM_OFFSET_MAX &&
- fl->fl_end != OFFSET_MAX);
-
*l_offset = loff_t_to_s32(fl->fl_start);
if (fl->fl_end == OFFSET_MAX)
*l_len = 0;
@@ -119,7 +115,6 @@ static void encode_netobj(struct xdr_stream *xdr,
{
__be32 *p;
- BUG_ON(length > XDR_MAX_NETOBJ);
p = xdr_reserve_space(xdr, 4 + length);
xdr_encode_opaque(p, data, length);
}
@@ -153,7 +148,6 @@ out_overflow:
static void encode_cookie(struct xdr_stream *xdr,
const struct nlm_cookie *cookie)
{
- BUG_ON(cookie->len > NLM_MAXCOOKIELEN);
encode_netobj(xdr, (u8 *)&cookie->data, cookie->len);
}
@@ -195,7 +189,6 @@ out_overflow:
*/
static void encode_fh(struct xdr_stream *xdr, const struct nfs_fh *fh)
{
- BUG_ON(fh->size != NFS2_FHSIZE);
encode_netobj(xdr, (u8 *)&fh->data, NFS2_FHSIZE);
}
@@ -330,7 +323,6 @@ static void encode_caller_name(struct xdr_stream *xdr, const char *name)
u32 length = strlen(name);
__be32 *p;
- BUG_ON(length > NLM_MAXSTRLEN);
p = xdr_reserve_space(xdr, 4 + length);
xdr_encode_opaque(p, name, length);
}
diff --git a/fs/lockd/host.c b/fs/lockd/host.c
index f9b22e58f78f..0e17090c310f 100644
--- a/fs/lockd/host.c
+++ b/fs/lockd/host.c
@@ -177,9 +177,6 @@ static void nlm_destroy_host_locked(struct nlm_host *host)
dprintk("lockd: destroy host %s\n", host->h_name);
- BUG_ON(!list_empty(&host->h_lockowners));
- BUG_ON(atomic_read(&host->h_count));
-
hlist_del_init(&host->h_hash);
nsm_unmonitor(host);
@@ -289,13 +286,12 @@ void nlmclnt_release_host(struct nlm_host *host)
dprintk("lockd: release client host %s\n", host->h_name);
- BUG_ON(atomic_read(&host->h_count) < 0);
- BUG_ON(host->h_server);
+ WARN_ON_ONCE(host->h_server);
if (atomic_dec_and_test(&host->h_count)) {
- BUG_ON(!list_empty(&host->h_lockowners));
- BUG_ON(!list_empty(&host->h_granted));
- BUG_ON(!list_empty(&host->h_reclaim));
+ WARN_ON_ONCE(!list_empty(&host->h_lockowners));
+ WARN_ON_ONCE(!list_empty(&host->h_granted));
+ WARN_ON_ONCE(!list_empty(&host->h_reclaim));
mutex_lock(&nlm_host_mutex);
nlm_destroy_host_locked(host);
@@ -412,8 +408,7 @@ void nlmsvc_release_host(struct nlm_host *host)
dprintk("lockd: release server host %s\n", host->h_name);
- BUG_ON(atomic_read(&host->h_count) < 0);
- BUG_ON(!host->h_server);
+ WARN_ON_ONCE(!host->h_server);
atomic_dec(&host->h_count);
}
diff --git a/fs/lockd/mon.c b/fs/lockd/mon.c
index 3d7e09bcc0e9..3c2cfc683631 100644
--- a/fs/lockd/mon.c
+++ b/fs/lockd/mon.c
@@ -154,8 +154,6 @@ static int nsm_mon_unmon(struct nsm_handle *nsm, u32 proc, struct nsm_res *res,
.rpc_resp = res,
};
- BUG_ON(clnt == NULL);
-
memset(res, 0, sizeof(*res));
msg.rpc_proc = &clnt->cl_procinfo[proc];
@@ -466,7 +464,6 @@ static void encode_nsm_string(struct xdr_stream *xdr, const char *string)
const u32 len = strlen(string);
__be32 *p;
- BUG_ON(len > SM_MAXSTRLEN);
p = xdr_reserve_space(xdr, 4 + len);
xdr_encode_opaque(p, string, len);
}
diff --git a/fs/nfs/Makefile b/fs/nfs/Makefile
index b7db60897f91..cce2c057bd2d 100644
--- a/fs/nfs/Makefile
+++ b/fs/nfs/Makefile
@@ -24,7 +24,7 @@ nfsv4-y := nfs4proc.o nfs4xdr.o nfs4state.o nfs4renewd.o nfs4super.o nfs4file.o
delegation.o idmap.o callback.o callback_xdr.o callback_proc.o \
nfs4namespace.o nfs4getroot.o nfs4client.o
nfsv4-$(CONFIG_SYSCTL) += nfs4sysctl.o
-nfsv4-$(CONFIG_NFS_V4_1) += pnfs.o pnfs_dev.o
+nfsv4-$(CONFIG_NFS_V4_1) += nfs4session.o pnfs.o pnfs_dev.o
obj-$(CONFIG_PNFS_FILE_LAYOUT) += nfs_layout_nfsv41_files.o
nfs_layout_nfsv41_files-y := nfs4filelayout.o nfs4filelayoutdev.o
diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c
index f1027b06a1a9..4fa788c93f46 100644
--- a/fs/nfs/blocklayout/blocklayout.c
+++ b/fs/nfs/blocklayout/blocklayout.c
@@ -40,6 +40,7 @@
#include <linux/pagevec.h>
#include "../pnfs.h"
+#include "../nfs4session.h"
#include "../internal.h"
#include "blocklayout.h"
diff --git a/fs/nfs/cache_lib.c b/fs/nfs/cache_lib.c
index dded26368111..862a2f16db64 100644
--- a/fs/nfs/cache_lib.c
+++ b/fs/nfs/cache_lib.c
@@ -118,7 +118,6 @@ int nfs_cache_register_sb(struct super_block *sb, struct cache_detail *cd)
struct dentry *dir;
dir = rpc_d_lookup_sb(sb, "cache");
- BUG_ON(dir == NULL);
ret = sunrpc_cache_register_pipefs(dir, cd->name, 0600, cd);
dput(dir);
return ret;
diff --git a/fs/nfs/callback.h b/fs/nfs/callback.h
index 4251c2ae06ad..efd54f0a4c46 100644
--- a/fs/nfs/callback.h
+++ b/fs/nfs/callback.h
@@ -142,7 +142,7 @@ extern __be32 nfs4_callback_recallany(struct cb_recallanyargs *args,
struct cb_recallslotargs {
struct sockaddr *crsa_addr;
- uint32_t crsa_target_max_slots;
+ uint32_t crsa_target_highest_slotid;
};
extern __be32 nfs4_callback_recallslot(struct cb_recallslotargs *args,
void *dummy,
@@ -167,8 +167,6 @@ extern __be32 nfs4_callback_layoutrecall(
struct cb_layoutrecallargs *args,
void *dummy, struct cb_process_state *cps);
-extern void nfs4_check_drain_bc_complete(struct nfs4_session *ses);
-
struct cb_devicenotifyitem {
uint32_t cbd_notify_type;
uint32_t cbd_layout_type;
diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c
index 76b4a7a3e559..c89b26bc9759 100644
--- a/fs/nfs/callback_proc.c
+++ b/fs/nfs/callback_proc.c
@@ -14,6 +14,7 @@
#include "delegation.h"
#include "internal.h"
#include "pnfs.h"
+#include "nfs4session.h"
#ifdef NFS_DEBUG
#define NFSDBG_FACILITY NFSDBG_CALLBACK
@@ -216,7 +217,6 @@ static u32 initiate_bulk_draining(struct nfs_client *clp,
}
pnfs_get_layout_hdr(lo);
spin_unlock(&ino->i_lock);
- BUG_ON(!list_empty(&lo->plh_bulk_recall));
list_add(&lo->plh_bulk_recall, &recall_list);
}
}
@@ -562,23 +562,16 @@ __be32 nfs4_callback_recallslot(struct cb_recallslotargs *args, void *dummy,
if (!cps->clp) /* set in cb_sequence */
goto out;
- dprintk_rcu("NFS: CB_RECALL_SLOT request from %s target max slots %d\n",
+ dprintk_rcu("NFS: CB_RECALL_SLOT request from %s target highest slotid %d\n",
rpc_peeraddr2str(cps->clp->cl_rpcclient, RPC_DISPLAY_ADDR),
- args->crsa_target_max_slots);
+ args->crsa_target_highest_slotid);
fc_tbl = &cps->clp->cl_session->fc_slot_table;
- status = htonl(NFS4ERR_BAD_HIGH_SLOT);
- if (args->crsa_target_max_slots > fc_tbl->max_slots ||
- args->crsa_target_max_slots < 1)
- goto out;
-
status = htonl(NFS4_OK);
- if (args->crsa_target_max_slots == fc_tbl->max_slots)
- goto out;
- fc_tbl->target_max_slots = args->crsa_target_max_slots;
- nfs41_handle_recall_slot(cps->clp);
+ nfs41_set_target_slotid(fc_tbl, args->crsa_target_highest_slotid);
+ nfs41_server_notify_target_slotid_update(cps->clp);
out:
dprintk("%s: exit with status = %d\n", __func__, ntohl(status));
return status;
diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c
index 742ff4ffced7..59461c957d9d 100644
--- a/fs/nfs/callback_xdr.c
+++ b/fs/nfs/callback_xdr.c
@@ -16,6 +16,7 @@
#include "nfs4_fs.h"
#include "callback.h"
#include "internal.h"
+#include "nfs4session.h"
#define CB_OP_TAGLEN_MAXSZ (512)
#define CB_OP_HDR_RES_MAXSZ (2 + CB_OP_TAGLEN_MAXSZ)
@@ -520,7 +521,7 @@ static __be32 decode_recallslot_args(struct svc_rqst *rqstp,
p = read_buf(xdr, 4);
if (unlikely(p == NULL))
return htonl(NFS4ERR_BADXDR);
- args->crsa_target_max_slots = ntohl(*p++);
+ args->crsa_target_highest_slotid = ntohl(*p++);
return 0;
}
@@ -762,7 +763,7 @@ static void nfs4_callback_free_slot(struct nfs4_session *session)
* A single slot, so highest used slotid is either 0 or -1
*/
tbl->highest_used_slotid = NFS4_NO_SLOT;
- nfs4_check_drain_bc_complete(session);
+ nfs4_session_drain_complete(session, tbl);
spin_unlock(&tbl->slot_tbl_lock);
}
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 8b39a42ac35e..9f3c66438d0e 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -277,7 +277,7 @@ void nfs_put_client(struct nfs_client *clp)
nfs_cb_idr_remove_locked(clp);
spin_unlock(&nn->nfs_client_lock);
- BUG_ON(!list_empty(&clp->cl_superblocks));
+ WARN_ON_ONCE(!list_empty(&clp->cl_superblocks));
clp->rpc_ops->free_client(clp);
}
@@ -615,8 +615,7 @@ EXPORT_SYMBOL_GPL(nfs_create_rpc_client);
*/
static void nfs_destroy_server(struct nfs_server *server)
{
- if (!(server->flags & NFS_MOUNT_LOCAL_FLOCK) ||
- !(server->flags & NFS_MOUNT_LOCAL_FCNTL))
+ if (server->nlm_host)
nlmclnt_done(server->nlm_host);
}
@@ -1061,10 +1060,6 @@ struct nfs_server *nfs_create_server(struct nfs_mount_info *mount_info,
if (error < 0)
goto error;
- BUG_ON(!server->nfs_client);
- BUG_ON(!server->nfs_client->rpc_ops);
- BUG_ON(!server->nfs_client->rpc_ops->file_inode_ops);
-
/* Probe the root fh to retrieve its FSID */
error = nfs_probe_fsinfo(server, mount_info->mntfh, fattr);
if (error < 0)
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 1cc71f60b491..32e6c53520e2 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -979,10 +979,11 @@ static int nfs_is_exclusive_create(struct inode *dir, unsigned int flags)
* particular file and the "nocto" mount flag is not set.
*
*/
-static inline
+static
int nfs_lookup_verify_inode(struct inode *inode, unsigned int flags)
{
struct nfs_server *server = NFS_SERVER(inode);
+ int ret;
if (IS_AUTOMOUNT(inode))
return 0;
@@ -993,9 +994,13 @@ int nfs_lookup_verify_inode(struct inode *inode, unsigned int flags)
if ((flags & LOOKUP_OPEN) && !(server->flags & NFS_MOUNT_NOCTO) &&
(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode)))
goto out_force;
- return 0;
+out:
+ return (inode->i_nlink == 0) ? -ENOENT : 0;
out_force:
- return __nfs_revalidate_inode(server, inode);
+ ret = __nfs_revalidate_inode(server, inode);
+ if (ret != 0)
+ return ret;
+ goto out;
}
/*
@@ -1156,11 +1161,14 @@ static int nfs_dentry_delete(const struct dentry *dentry)
}
+/* Ensure that we revalidate inode->i_nlink */
static void nfs_drop_nlink(struct inode *inode)
{
spin_lock(&inode->i_lock);
- if (inode->i_nlink > 0)
- drop_nlink(inode);
+ /* drop the inode if we're reasonably sure this is the last link */
+ if (inode->i_nlink == 1)
+ clear_nlink(inode);
+ NFS_I(inode)->cache_validity |= NFS_INO_INVALID_ATTR;
spin_unlock(&inode->i_lock);
}
@@ -1175,8 +1183,8 @@ static void nfs_dentry_iput(struct dentry *dentry, struct inode *inode)
NFS_I(inode)->cache_validity |= NFS_INO_INVALID_DATA;
if (dentry->d_flags & DCACHE_NFSFS_RENAMED) {
- drop_nlink(inode);
nfs_complete_unlink(dentry, inode);
+ nfs_drop_nlink(inode);
}
iput(inode);
}
@@ -1647,10 +1655,8 @@ static int nfs_safe_remove(struct dentry *dentry)
if (inode != NULL) {
NFS_PROTO(inode)->return_delegation(inode);
error = NFS_PROTO(dir)->remove(dir, &dentry->d_name);
- /* The VFS may want to delete this inode */
if (error == 0)
nfs_drop_nlink(inode);
- nfs_mark_for_revalidate(inode);
} else
error = NFS_PROTO(dir)->remove(dir, &dentry->d_name);
if (error == -ENOENT)
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index cae26cbd59ee..0bd7a55a5f07 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -266,21 +266,8 @@ static void nfs_direct_read_completion(struct nfs_pgio_header *hdr)
struct nfs_page *req = nfs_list_entry(hdr->pages.next);
struct page *page = req->wb_page;
- if (test_bit(NFS_IOHDR_EOF, &hdr->flags)) {
- if (bytes > hdr->good_bytes)
- zero_user(page, 0, PAGE_SIZE);
- else if (hdr->good_bytes - bytes < PAGE_SIZE)
- zero_user_segment(page,
- hdr->good_bytes & ~PAGE_MASK,
- PAGE_SIZE);
- }
- if (!PageCompound(page)) {
- if (test_bit(NFS_IOHDR_ERROR, &hdr->flags)) {
- if (bytes < hdr->good_bytes)
- set_page_dirty(page);
- } else
- set_page_dirty(page);
- }
+ if (!PageCompound(page) && bytes < hdr->good_bytes)
+ set_page_dirty(page);
bytes += req->wb_bytes;
nfs_list_remove_request(req);
nfs_direct_readpage_release(req);
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 6fa01aea2488..2faae14d89f4 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -107,13 +107,19 @@ u64 nfs_compat_user_ino64(u64 fileid)
return ino;
}
+int nfs_drop_inode(struct inode *inode)
+{
+ return NFS_STALE(inode) || generic_drop_inode(inode);
+}
+EXPORT_SYMBOL_GPL(nfs_drop_inode);
+
void nfs_clear_inode(struct inode *inode)
{
/*
* The following should never happen...
*/
- BUG_ON(nfs_have_writebacks(inode));
- BUG_ON(!list_empty(&NFS_I(inode)->open_files));
+ WARN_ON_ONCE(nfs_have_writebacks(inode));
+ WARN_ON_ONCE(!list_empty(&NFS_I(inode)->open_files));
nfs_zap_acl_cache(inode);
nfs_access_zap_cache(inode);
nfs_fscache_release_inode_cookie(inode);
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 05521cadac2e..f0e6c7df1a07 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -18,27 +18,6 @@ struct nfs_string;
*/
#define NFS_MAX_READAHEAD (RPC_DEF_SLOT_TABLE - 1)
-/*
- * Determine if sessions are in use.
- */
-static inline int nfs4_has_session(const struct nfs_client *clp)
-{
-#ifdef CONFIG_NFS_V4_1
- if (clp->cl_session)
- return 1;
-#endif /* CONFIG_NFS_V4_1 */
- return 0;
-}
-
-static inline int nfs4_has_persistent_session(const struct nfs_client *clp)
-{
-#ifdef CONFIG_NFS_V4_1
- if (nfs4_has_session(clp))
- return (clp->cl_session->flags & SESSION4_PERSIST);
-#endif /* CONFIG_NFS_V4_1 */
- return 0;
-}
-
static inline void nfs_attr_check_mountpoint(struct super_block *parent, struct nfs_fattr *fattr)
{
if (!nfs_fsid_equal(&NFS_SB(parent)->fsid, &fattr->fsid))
@@ -276,8 +255,6 @@ extern const u32 nfs41_maxwrite_overhead;
extern struct rpc_procinfo nfs4_procedures[];
#endif
-extern int nfs4_init_ds_session(struct nfs_client *, unsigned long);
-
/* proc.c */
void nfs_close_context(struct nfs_open_context *ctx, int is_sync);
extern struct nfs_client *nfs_init_client(struct nfs_client *clp,
@@ -319,6 +296,7 @@ extern struct workqueue_struct *nfsiod_workqueue;
extern struct inode *nfs_alloc_inode(struct super_block *sb);
extern void nfs_destroy_inode(struct inode *);
extern int nfs_write_inode(struct inode *, struct writeback_control *);
+extern int nfs_drop_inode(struct inode *);
extern void nfs_clear_inode(struct inode *);
extern void nfs_evict_inode(struct inode *);
void nfs_zap_acl_cache(struct inode *inode);
@@ -386,9 +364,6 @@ extern int nfs_initiate_read(struct rpc_clnt *clnt,
extern void nfs_read_prepare(struct rpc_task *task, void *calldata);
extern int nfs_generic_pagein(struct nfs_pageio_descriptor *desc,
struct nfs_pgio_header *hdr);
-extern void nfs_pageio_init_read(struct nfs_pageio_descriptor *pgio,
- struct inode *inode,
- const struct nfs_pgio_completion_ops *compl_ops);
extern void nfs_pageio_reset_read_mds(struct nfs_pageio_descriptor *pgio);
extern void nfs_readdata_release(struct nfs_read_data *rdata);
@@ -411,9 +386,6 @@ extern struct nfs_write_header *nfs_writehdr_alloc(void);
extern void nfs_writehdr_free(struct nfs_pgio_header *hdr);
extern int nfs_generic_flush(struct nfs_pageio_descriptor *desc,
struct nfs_pgio_header *hdr);
-extern void nfs_pageio_init_write(struct nfs_pageio_descriptor *pgio,
- struct inode *inode, int ioflags,
- const struct nfs_pgio_completion_ops *compl_ops);
extern void nfs_pageio_reset_write_mds(struct nfs_pageio_descriptor *pgio);
extern void nfs_writedata_release(struct nfs_write_data *wdata);
extern void nfs_commit_free(struct nfs_commit_data *p);
@@ -474,18 +446,6 @@ extern struct nfs_client *nfs4_init_client(struct nfs_client *clp,
const struct rpc_timeout *timeparms,
const char *ip_addr,
rpc_authflavor_t authflavour);
-extern int _nfs4_call_sync(struct rpc_clnt *clnt,
- struct nfs_server *server,
- struct rpc_message *msg,
- struct nfs4_sequence_args *args,
- struct nfs4_sequence_res *res,
- int cache_reply);
-extern int _nfs4_call_sync_session(struct rpc_clnt *clnt,
- struct nfs_server *server,
- struct rpc_message *msg,
- struct nfs4_sequence_args *args,
- struct nfs4_sequence_res *res,
- int cache_reply);
extern int nfs40_walk_client_list(struct nfs_client *clp,
struct nfs_client **result,
struct rpc_cred *cred);
diff --git a/fs/nfs/mount_clnt.c b/fs/nfs/mount_clnt.c
index 015f71f8f62c..91a6faf811ac 100644
--- a/fs/nfs/mount_clnt.c
+++ b/fs/nfs/mount_clnt.c
@@ -169,6 +169,9 @@ int nfs_mount(struct nfs_mount_request *info)
(info->hostname ? info->hostname : "server"),
info->dirpath);
+ if (strlen(info->dirpath) > MNTPATHLEN)
+ return -ENAMETOOLONG;
+
if (info->noresvport)
args.flags |= RPC_CLNT_CREATE_NONPRIVPORT;
@@ -242,6 +245,9 @@ void nfs_umount(const struct nfs_mount_request *info)
struct rpc_clnt *clnt;
int status;
+ if (strlen(info->dirpath) > MNTPATHLEN)
+ return;
+
if (info->noresvport)
args.flags |= RPC_CLNT_CREATE_NONPRIVPORT;
@@ -283,7 +289,6 @@ static void encode_mntdirpath(struct xdr_stream *xdr, const char *pathname)
const u32 pathname_len = strlen(pathname);
__be32 *p;
- BUG_ON(pathname_len > MNTPATHLEN);
p = xdr_reserve_space(xdr, 4 + pathname_len);
xdr_encode_opaque(p, pathname, pathname_len);
}
diff --git a/fs/nfs/nfs2xdr.c b/fs/nfs/nfs2xdr.c
index d04f0df7be55..06b9df49f7f7 100644
--- a/fs/nfs/nfs2xdr.c
+++ b/fs/nfs/nfs2xdr.c
@@ -195,7 +195,6 @@ static void encode_fhandle(struct xdr_stream *xdr, const struct nfs_fh *fh)
{
__be32 *p;
- BUG_ON(fh->size != NFS2_FHSIZE);
p = xdr_reserve_space(xdr, NFS2_FHSIZE);
memcpy(p, fh->data, NFS2_FHSIZE);
}
@@ -388,7 +387,7 @@ static void encode_filename(struct xdr_stream *xdr,
{
__be32 *p;
- BUG_ON(length > NFS2_MAXNAMLEN);
+ WAR