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-rw-r--r--fs/nfs/fs_context.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/fs/nfs/fs_context.c b/fs/nfs/fs_context.c
index 0d444a90f513..9a16897e8dc6 100644
--- a/fs/nfs/fs_context.c
+++ b/fs/nfs/fs_context.c
@@ -10,6 +10,7 @@
* Split from fs/nfs/super.c by David Howells <dhowells@redhat.com>
*/
+#include <linux/compat.h>
#include <linux/module.h>
#include <linux/fs.h>
#include <linux/fs_context.h>
@@ -79,6 +80,7 @@ enum nfs_param {
Opt_source,
Opt_tcp,
Opt_timeo,
+ Opt_trunkdiscovery,
Opt_udp,
Opt_v,
Opt_vers,
@@ -179,6 +181,7 @@ static const struct fs_parameter_spec nfs_fs_parameters[] = {
fsparam_string("source", Opt_source),
fsparam_flag ("tcp", Opt_tcp),
fsparam_u32 ("timeo", Opt_timeo),
+ fsparam_flag_no("trunkdiscovery", Opt_trunkdiscovery),
fsparam_flag ("udp", Opt_udp),
fsparam_flag ("v2", Opt_v),
fsparam_flag ("v3", Opt_v),
@@ -514,7 +517,7 @@ static int nfs_fs_context_parse_param(struct fs_context *fc,
if (result.negated)
ctx->flags &= ~NFS_MOUNT_SOFTREVAL;
else
- ctx->flags &= NFS_MOUNT_SOFTREVAL;
+ ctx->flags |= NFS_MOUNT_SOFTREVAL;
break;
case Opt_posix:
if (result.negated)
@@ -528,6 +531,12 @@ static int nfs_fs_context_parse_param(struct fs_context *fc,
else
ctx->flags &= ~NFS_MOUNT_NOCTO;
break;
+ case Opt_trunkdiscovery:
+ if (result.negated)
+ ctx->flags &= ~NFS_MOUNT_TRUNK_DISCOVERY;
+ else
+ ctx->flags |= NFS_MOUNT_TRUNK_DISCOVERY;
+ break;
case Opt_ac:
if (result.negated)
ctx->flags |= NFS_MOUNT_NOAC;