md: kill file_path wrapper

Kill the trivial and rather pointless file_path wrapper around d_path.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

3 files changed, 6 insertions, 16 deletions

diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index c14dacdacfac..b26927ce889c 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -203,17 +203,6 @@ static void bitmap_checkfree(struct bitmap *bitmap, unsigned long page)
  * bitmap file handling - read and write the bitmap file and its superblock
  */
 
-/* copy the pathname of a file to a buffer */
-char *file_path(struct file *file, char *buf, int count)
-{
-        if (!buf)
-                return NULL;
-
-        buf = d_path(&file->f_path, buf, count);
-
-        return IS_ERR(buf) ? NULL : buf;
-}
-
 /*
  * basic page I/O operations
  */
@@ -721,11 +710,13 @@ static void bitmap_file_kick(struct bitmap *bitmap)
                 if (bitmap->file) {
                         path = kmalloc(PAGE_SIZE, GFP_KERNEL);
                         if (path)
-                                ptr = file_path(bitmap->file, path, PAGE_SIZE);
+                                ptr = d_path(&bitmap->file->f_path, path,
+                                             PAGE_SIZE);
+
 
                         printk(KERN_ALERT
                               "%s: kicking failed bitmap file %s from array!\n",
-                              bmname(bitmap), ptr ? ptr : "");
+                              bmname(bitmap), IS_ERR(ptr) ? "" : ptr);
 
                         kfree(path);
                 } else
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 83eb78b00137..d31aa6f33a6a 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -3987,8 +3987,8 @@ static int get_bitmap_file(mddev_t * mddev, void __user * arg)
         if (!buf)
                 goto out;
 
-        ptr = file_path(mddev->bitmap->file, buf, sizeof(file->pathname));
-        if (!ptr)
+        ptr = d_path(&mddev->bitmap->file->f_path, buf, sizeof(file->pathname));
+        if (IS_ERR(ptr))
                 goto out;
 
         strcpy(file->pathname, ptr);
diff --git a/include/linux/raid/bitmap.h b/include/linux/raid/bitmap.h
index 47fbcba11850..78bfdea24a8e 100644
--- a/include/linux/raid/bitmap.h
+++ b/include/linux/raid/bitmap.h
@@ -262,7 +262,6 @@ int  bitmap_create(mddev_t *mddev);
 void bitmap_flush(mddev_t *mddev);
 void bitmap_destroy(mddev_t *mddev);
 
-char *file_path(struct file *file, char *buf, int count);
 void bitmap_print_sb(struct bitmap *bitmap);
 void bitmap_update_sb(struct bitmap *bitmap);