X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=fs%2Fsuper.c;h=c170551c23fe0a2af1e24f8a9b206c3b0f96d7ce;hb=864d7c4c068f23642efe91b33be3a84afe5f71e0;hp=1943fdf655faca2d3d1810cca8b36ac80c9d3593;hpb=96029c4e09ccbd73a6d0ed2b29e80bf2586ad7ef;p=firefly-linux-kernel-4.4.55.git

diff --git a/fs/super.c b/fs/super.c
index 1943fdf655fa..c170551c23fe 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -615,45 +615,6 @@ out:
 	return err;
 }
 
-/**
- *	mark_files_ro - mark all files read-only
- *	@sb: superblock in question
- *
- *	All files are marked read-only.  We don't care about pending
- *	delete files so this should be used in 'force' mode only.
- */
-
-static void mark_files_ro(struct super_block *sb)
-{
-	struct file *f;
-
-retry:
-	file_list_lock();
-	list_for_each_entry(f, &sb->s_files, f_u.fu_list) {
-		struct vfsmount *mnt;
-		if (!S_ISREG(f->f_path.dentry->d_inode->i_mode))
-		       continue;
-		if (!file_count(f))
-			continue;
-		if (!(f->f_mode & FMODE_WRITE))
-			continue;
-		f->f_mode &= ~FMODE_WRITE;
-		if (file_check_writeable(f) != 0)
-			continue;
-		file_release_write(f);
-		mnt = mntget(f->f_path.mnt);
-		file_list_unlock();
-		/*
-		 * This can sleep, so we can't hold
-		 * the file_list_lock() spinlock.
-		 */
-		mnt_drop_write(mnt);
-		mntput(mnt);
-		goto retry;
-	}
-	file_list_unlock();
-}
-
 /**
  *	do_remount_sb - asks filesystem to change mount options.
  *	@sb:	superblock in question