debugfs: Provide a file creation function that also takes an initial size

Provide a file creation function that also takes an initial size so that the
caller doesn't have to set i_size, thus meaning that we don't have to call
deal with ->d_inode in the callers.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 3 insertions, 6 deletions

diff --git a/drivers/scsi/csiostor/csio_init.c b/drivers/scsi/csiostor/csio_init.c
index 34d20cc3e110..2617f15eaeeb 100644
--- a/drivers/scsi/csiostor/csio_init.c
+++ b/drivers/scsi/csiostor/csio_init.c
@@ -113,12 +113,9 @@ static const struct file_operations csio_mem_debugfs_fops = {
 void csio_add_debugfs_mem(struct csio_hw *hw, const char *name,
                                  unsigned int idx, unsigned int size_mb)
 {
-        struct dentry *de;
-
-        de = debugfs_create_file(name, S_IRUSR, hw->debugfs_root,
-                                 (void *)hw + idx, &csio_mem_debugfs_fops);
-        if (de && de->d_inode)
-                de->d_inode->i_size = size_mb << 20;
+        debugfs_create_file_size(name, S_IRUSR, hw->debugfs_root,
+                                 (void *)hw + idx, &csio_mem_debugfs_fops,
+                                 size_mb << 20);
 }
 
 static int csio_setup_debugfs(struct csio_hw *hw)