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Diffstat (limited to 'fs/nfs/super.c')
-rw-r--r--fs/nfs/super.c30
1 files changed, 29 insertions, 1 deletions
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index dc03f98f7616..9eea9e62afc9 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -47,6 +47,7 @@
#include <linux/vfs.h>
#include <linux/inet.h>
#include <linux/in6.h>
+#include <linux/sched.h>
#include <linux/slab.h>
#include <net/ipv6.h>
#include <linux/netdevice.h>
@@ -72,6 +73,7 @@
#include "nfs.h"
#include "netns.h"
#include "sysfs.h"
+#include "nfs4idmap.h"
#define NFSDBG_FACILITY NFSDBG_VFS
@@ -228,6 +230,7 @@ static int __nfs_list_for_each_server(struct list_head *head,
ret = fn(server, data);
if (ret)
goto out;
+ cond_resched();
rcu_read_lock();
}
rcu_read_unlock();
@@ -451,8 +454,12 @@ static void nfs_show_mount_options(struct seq_file *m, struct nfs_server *nfss,
{ NFS_MOUNT_NONLM, ",nolock", "" },
{ NFS_MOUNT_NOACL, ",noacl", "" },
{ NFS_MOUNT_NORDIRPLUS, ",nordirplus", "" },
+ { NFS_MOUNT_FORCE_RDIRPLUS, ",rdirplus=force", "" },
{ NFS_MOUNT_UNSHARED, ",nosharecache", "" },
{ NFS_MOUNT_NORESVPORT, ",noresvport", "" },
+ { NFS_MOUNT_NETUNREACH_FATAL,
+ ",fatal_neterrors=ENETDOWN:ENETUNREACH",
+ ",fatal_neterrors=none" },
{ 0, NULL, NULL }
};
const struct proc_nfs_info *nfs_infop;
@@ -549,6 +556,9 @@ static void nfs_show_mount_options(struct seq_file *m, struct nfs_server *nfss,
else
seq_puts(m, ",local_lock=posix");
+ if (nfss->flags & NFS_MOUNT_NO_ALIGNWRITE)
+ seq_puts(m, ",noalignwrite");
+
if (nfss->flags & NFS_MOUNT_WRITE_EAGER) {
if (nfss->flags & NFS_MOUNT_WRITE_WAIT)
seq_puts(m, ",write=wait");
@@ -880,7 +890,15 @@ static int nfs_request_mount(struct fs_context *fc,
* Now ask the mount server to map our export path
* to a file handle.
*/
- status = nfs_mount(&request, ctx->timeo, ctx->retrans);
+ if ((request.protocol == XPRT_TRANSPORT_UDP) ==
+ !(ctx->flags & NFS_MOUNT_TCP))
+ /*
+ * NFS protocol and mount protocol are both UDP or neither UDP
+ * so timeouts are compatible. Use NFS timeouts for MOUNT
+ */
+ status = nfs_mount(&request, ctx->timeo, ctx->retrans);
+ else
+ status = nfs_mount(&request, NFS_UNSPEC_TIMEO, NFS_UNSPEC_RETRANS);
if (status != 0) {
dfprintk(MOUNT, "NFS: unable to mount server %s, error %d\n",
request.hostname, status);
@@ -901,6 +919,16 @@ static struct nfs_server *nfs_try_mount_request(struct fs_context *fc)
rpc_authflavor_t authlist[NFS_MAX_SECFLAVORS];
unsigned int authlist_len = ARRAY_SIZE(authlist);
+ /* make sure 'nolock'/'lock' override the 'local_lock' mount option */
+ if (ctx->lock_status) {
+ if (ctx->lock_status == NFS_LOCK_NOLOCK) {
+ ctx->flags |= NFS_MOUNT_NONLM;
+ ctx->flags |= (NFS_MOUNT_LOCAL_FLOCK | NFS_MOUNT_LOCAL_FCNTL);
+ } else {
+ ctx->flags &= ~NFS_MOUNT_NONLM;
+ ctx->flags &= ~(NFS_MOUNT_LOCAL_FLOCK | NFS_MOUNT_LOCAL_FCNTL);
+ }
+ }
status = nfs_request_mount(fc, ctx->mntfh, authlist, &authlist_len);
if (status)
return ERR_PTR(status);