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Diffstat (limited to 'fs/nfsd')
-rw-r--r--fs/nfsd/nfsctl.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index 0415680d3f5..e7051ac4dc7 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -31,6 +31,7 @@ enum {
NFSD_Getfd,
NFSD_Getfs,
NFSD_List,
+ NFSD_Export_features,
NFSD_Fh,
NFSD_FO_UnlockIP,
NFSD_FO_UnlockFS,
@@ -149,6 +150,24 @@ static const struct file_operations exports_operations = {
.owner = THIS_MODULE,
};
+static int export_features_show(struct seq_file *m, void *v)
+{
+ seq_printf(m, "0x%x 0x%x\n", NFSEXP_ALLFLAGS, NFSEXP_SECINFO_FLAGS);
+ return 0;
+}
+
+static int export_features_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, export_features_show, NULL);
+}
+
+static struct file_operations export_features_operations = {
+ .open = export_features_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
extern int nfsd_pool_stats_open(struct inode *inode, struct file *file);
extern int nfsd_pool_stats_release(struct inode *inode, struct file *file);
@@ -1306,6 +1325,8 @@ static int nfsd_fill_super(struct super_block * sb, void * data, int silent)
[NFSD_Getfd] = {".getfd", &transaction_ops, S_IWUSR|S_IRUSR},
[NFSD_Getfs] = {".getfs", &transaction_ops, S_IWUSR|S_IRUSR},
[NFSD_List] = {"exports", &exports_operations, S_IRUGO},
+ [NFSD_Export_features] = {"export_features",
+ &export_features_operations, S_IRUGO},
[NFSD_FO_UnlockIP] = {"unlock_ip",
&transaction_ops, S_IWUSR|S_IRUSR},
[NFSD_FO_UnlockFS] = {"unlock_filesystem",