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Diffstat (limited to 'fs/nfsd/nfsctl.c')
-rw-r--r--fs/nfsd/nfsctl.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index b53b1d042f1f..7f0fc8861b85 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -121,6 +121,16 @@ static ssize_t nfsctl_transaction_write(struct file *file, const char __user *bu
static ssize_t nfsctl_transaction_read(struct file *file, char __user *buf, size_t size, loff_t *pos)
{
+ static int warned;
+ if (file->f_dentry->d_name.name[0] == '.' && !warned) {
+ char name[sizeof(current->comm)];
+ printk(KERN_INFO
+ "Warning: \"%s\" uses deprecated NFSD interface: %s."
+ " This will be removed in 2.6.40\n",
+ get_task_comm(name, current),
+ file->f_dentry->d_name.name);
+ warned = 1;
+ }
if (! file->private_data) {
/* An attempt to read a transaction file without writing
* causes a 0-byte write so that the file can return