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Merge branch 'hotfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6

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* 'hotfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6:
  SUNRPC: Fix an rpcbind breakage for the case of IPv6 lookups
  SUNRPC: Fix a double-free in rpcbind
  NFS: Fix readdir cache invalidation
This commit is contained in:
Linus Torvalds 2008-07-08 12:40:57 -07:00
commit f57e91682d
2 changed files with 12 additions and 13 deletions
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2
fs/nfs/dir.c
View File

@ -204,7 +204,7 @@ int nfs_readdir_filler(nfs_readdir_descriptor_t *desc, struct page *page)
* Note: assumes we have exclusive access to this mapping either
* through inode->i_mutex or some other mechanism.
*/
if (page->index == 0 && invalidate_inode_pages2_range(inode->i_mapping, PAGE_CACHE_SIZE, -1) < 0) {
if (invalidate_inode_pages2_range(inode->i_mapping, page->index + 1, -1) < 0) {
/* Should never happen */
nfs_zap_mapping(inode, inode->i_mapping);
}

23
net/sunrpc/rpcb_clnt.c
View File

@ -243,10 +243,10 @@ int rpcb_getport_sync(struct sockaddr_in *sin, u32 prog, u32 vers, int prot)
}
EXPORT_SYMBOL_GPL(rpcb_getport_sync);
static struct rpc_task *rpcb_call_async(struct rpc_clnt *rpcb_clnt, struct rpcbind_args *map, int version)
static struct rpc_task *rpcb_call_async(struct rpc_clnt *rpcb_clnt, struct rpcbind_args *map, struct rpc_procinfo *proc)
{
struct rpc_message msg = {
.rpc_proc = rpcb_next_version[version].rpc_proc,
.rpc_proc = proc,
.rpc_argp = map,
.rpc_resp = &map->r_port,
};
@ -271,6 +271,7 @@ static struct rpc_task *rpcb_call_async(struct rpc_clnt *rpcb_clnt, struct rpcbi
void rpcb_getport_async(struct rpc_task *task)
{
struct rpc_clnt *clnt = task->tk_client;
struct rpc_procinfo *proc;
u32 bind_version;
struct rpc_xprt *xprt = task->tk_xprt;
struct rpc_clnt *rpcb_clnt;
@ -280,7 +281,6 @@ void rpcb_getport_async(struct rpc_task *task)
struct sockaddr *sap = (struct sockaddr *)&addr;
size_t salen;
int status;
struct rpcb_info *info;
dprintk("RPC: %5u %s(%s, %u, %u, %d)\n",
task->tk_pid, __func__,
@ -313,10 +313,12 @@ void rpcb_getport_async(struct rpc_task *task)
/* Don't ever use rpcbind v2 for AF_INET6 requests */
switch (sap->sa_family) {
case AF_INET:
info = rpcb_next_version;
proc = rpcb_next_version[xprt->bind_index].rpc_proc;
bind_version = rpcb_next_version[xprt->bind_index].rpc_vers;
break;
case AF_INET6:
info = rpcb_next_version6;
proc = rpcb_next_version6[xprt->bind_index].rpc_proc;
bind_version = rpcb_next_version6[xprt->bind_index].rpc_vers;
break;
default:
status = -EAFNOSUPPORT;
@ -324,14 +326,13 @@ void rpcb_getport_async(struct rpc_task *task)
task->tk_pid, __func__);
goto bailout_nofree;
}
if (info[xprt->bind_index].rpc_proc == NULL) {
if (proc == NULL) {
xprt->bind_index = 0;
status = -EPFNOSUPPORT;
dprintk("RPC: %5u %s: no more getport versions available\n",
task->tk_pid, __func__);
goto bailout_nofree;
}
bind_version = info[xprt->bind_index].rpc_vers;
dprintk("RPC: %5u %s: trying rpcbind version %u\n",
task->tk_pid, __func__, bind_version);
@ -361,22 +362,20 @@ void rpcb_getport_async(struct rpc_task *task)
map->r_addr = rpc_peeraddr2str(rpcb_clnt, RPC_DISPLAY_UNIVERSAL_ADDR);
map->r_owner = RPCB_OWNER_STRING; /* ignored for GETADDR */
child = rpcb_call_async(rpcb_clnt, map, xprt->bind_index);
child = rpcb_call_async(rpcb_clnt, map, proc);
rpc_release_client(rpcb_clnt);
if (IS_ERR(child)) {
status = -EIO;
/* rpcb_map_release() has freed the arguments */
dprintk("RPC: %5u %s: rpc_run_task failed\n",
task->tk_pid, __func__);
goto bailout;
goto bailout_nofree;
}
rpc_put_task(child);
task->tk_xprt->stat.bind_count++;
return;
bailout:
kfree(map);
xprt_put(xprt);
bailout_nofree:
rpcb_wake_rpcbind_waiters(xprt, status);
bailout_nowake: