[PATCH 23/31] mtd: block: use a simple bool to track open for write

Christoph Hellwig
2023-06-06T07:43:12Z

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 <hch@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;
};

struct mtd_blktrans_ops {
--
2.39.2