[PATCH RFC 0/1] RAMDISK: doing write barrier will return -EIO

Richard Zhu Hong-Xing.Zhu at freescale.com
Sat Apr 2 03:04:39 EDT 2011

 drivers/block/brd.c |    6 ++++--
  1 files changed, 4 insertions(+), 2 deletions(-)

  One RAMDISK issue when use the RAMDISK as the removable device through
  USB OTG on MX51 BBG board.
  Here are the reproduce steps:
  1. enable ramdisk in kernel and make default size to 16M.
  2. connect board to PC through USB otg port.
  3. modprobe g_file_storage file=/dev/ram0 removable=1.
  4. check the removable usb devices on PC and need to be formatted
   then write a file to this disk. found data error when create a new
   file on disk in window explore


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