----- Ursprüngliche Mail -----
> Von: "hch" <h...@lst.de>
> Instead of propagating the fmode_t, just use a bool to track if a mtd
> block device was opened for writing.
>
> Signed-off-by: Christoph Hellwig <h...@lst.de>
> ---
> drivers/mtd/mtd_blkdevs.c | 2 +-
> drivers/mtd/mtdblock.c | 2 +-
> include/linux/mtd/blktrans.h | 2 +-
> 3 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c
> index f0bb09fde95e3a..bd0b7545364349 100644
> --- a/drivers/mtd/mtd_blkdevs.c
> +++ b/drivers/mtd/mtd_blkdevs.c
> @@ -208,7 +208,7 @@ static int blktrans_open(struct gendisk *disk, fmode_t
> mode)
> ret = __get_mtd_device(dev->mtd);
> if (ret)
> goto error_release;
> - dev->file_mode = mode;
> + dev->writable = mode & FMODE_WRITE;
>
> unlock:
> dev->open++;
> diff --git a/drivers/mtd/mtdblock.c b/drivers/mtd/mtdblock.c
> index a0a1194dc1d902..fa476fb4dffb6c 100644
> --- a/drivers/mtd/mtdblock.c
> +++ b/drivers/mtd/mtdblock.c
> @@ -294,7 +294,7 @@ static void mtdblock_release(struct mtd_blktrans_dev *mbd)
> * It was the last usage. Free the cache, but only sync if
> * opened for writing.
> */
> - if (mbd->file_mode & FMODE_WRITE)
> + if (mbd->writable)
> mtd_sync(mbd->mtd);
> vfree(mtdblk->cache_data);
> }
> diff --git a/include/linux/mtd/blktrans.h b/include/linux/mtd/blktrans.h
> index 15cc9b95e32b52..6e471436bba556 100644
> --- a/include/linux/mtd/blktrans.h
> +++ b/include/linux/mtd/blktrans.h
> @@ -34,7 +34,7 @@ struct mtd_blktrans_dev {
> struct blk_mq_tag_set *tag_set;
> spinlock_t queue_lock;
> void *priv;
> - fmode_t file_mode;
> + bool writable;
> };
Acked-by: Richard Weinberger <rich...@nod.at>
Thanks,
//richard
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