ext4: zero out the unused memory region in the extent tree block

[mirror_ubuntu-bionic-kernel.git] / fs / fcntl.c

diff --git a/fs/fcntl.c b/fs/fcntl.c
index 0522e283a4f48c1b5bfc2433de9ad12d82cfc891..ec53ee19db423a11b897a861645918751c4c2dec 100644 (file)
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -32,7 +32,7 @@
 
 #define SETFL_MASK (O_APPEND | O_NONBLOCK | O_NDELAY | O_DIRECT | O_NOATIME)
 
-static int setfl(int fd, struct file * filp, unsigned long arg)
+int setfl(int fd, struct file * filp, unsigned long arg)
 {
        struct inode * inode = file_inode(filp);
        int error = 0;
@@ -63,6 +63,8 @@ static int setfl(int fd, struct file * filp, unsigned long arg)
 
        if (filp->f_op->check_flags)
                error = filp->f_op->check_flags(arg);
+       if (!error && filp->f_op->setfl)
+               error = filp->f_op->setfl(filp, arg);
        if (error)
                return error;
 
@@ -83,6 +85,7 @@ static int setfl(int fd, struct file * filp, unsigned long arg)
  out:
        return error;
 }
+EXPORT_SYMBOL_GPL(setfl);
 
 static void f_modown(struct file *filp, struct pid *pid, enum pid_type type,
                      int force)