[PATCH] mmc: failure of block read wait for long time
Chris Ball
cjb at laptop.org
Fri Aug 27 16:59:54 EDT 2010
Hi,
On Tue, Jul 27, 2010 at 04:57:46PM +0530, Sukumar Ghorai wrote:
> multi-block read failure retries in single block read one by one. It continues
> retry of subsequent blocks, even after failure. Application will not be able
> to decode the interleave data (even if few single block read success).
> This patch fixes this problem by returning at the first failure instead of
> waiting for long duration.
>
> Signed-off-by: Sukumar Ghorai <s-ghorai at ti.com>
> ---
> drivers/mmc/card/block.c | 1 -
> 1 files changed, 0 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
> index cb9fbc8..cfb0827 100644
> --- a/drivers/mmc/card/block.c
> +++ b/drivers/mmc/card/block.c
> @@ -419,7 +419,6 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
> spin_lock_irq(&md->lock);
> ret = __blk_end_request(req, -EIO, brq.data.blksz);
> spin_unlock_irq(&md->lock);
> - continue;
> }
> goto cmd_err;
> }
> --
Sukumar/Adrian, any thoughts on a new version of this patch containing
Adrian's retry-segments idea?
--
Chris Ball <cjb at laptop.org> <http://printf.net/>
One Laptop Per Child
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