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-rw-r--r--fs/cifs/ioctl.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/cifs/ioctl.c b/fs/cifs/ioctl.c
index 4221b5e48a4..6d2667f0c98 100644
--- a/fs/cifs/ioctl.c
+++ b/fs/cifs/ioctl.c
@@ -51,7 +51,15 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg)
cifs_sb = CIFS_SB(inode->i_sb);
switch (command) {
+ static bool warned = false;
case CIFS_IOC_CHECKUMOUNT:
+ if (!warned) {
+ warned = true;
+ cERROR(1, "the CIFS_IOC_CHECKMOUNT ioctl will "
+ "be deprecated in 3.7. Please "
+ "migrate away from the use of "
+ "umount.cifs");
+ }
cFYI(1, "User unmount attempted");
if (cifs_sb->mnt_uid == current_uid())
rc = 0;