diff options
| author | Christoph Hellwig <hch@lst.de> | 2020-11-03 11:00:09 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-11-16 08:14:29 -0700 |
| commit | daaedb820ad716e00210af8859b194c404202b78 (patch) | |
| tree | 97d1be48de02fc7ca0e41df2fea8e2723ce40157 /drivers/mtd/mtd_blkdevs.c | |
| parent | 09162bc32c880a791c6c0668ce0745cf7958f576 (diff) | |
mtd_blkdevs: don't override BLKFLSBUF
BLKFLSBUF is not supposed to actually send a flush command to the device,
but to tear down buffer cache structures. Remove the mtd_blkdevs
implementation and just use the default semantics instead.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/mtd/mtd_blkdevs.c')
| -rw-r--r-- | drivers/mtd/mtd_blkdevs.c | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c index 0c05f77f9b21..fb8e12d590a1 100644 --- a/drivers/mtd/mtd_blkdevs.c +++ b/drivers/mtd/mtd_blkdevs.c @@ -298,38 +298,10 @@ unlock: return ret; } -static int blktrans_ioctl(struct block_device *bdev, fmode_t mode, - unsigned int cmd, unsigned long arg) -{ - struct mtd_blktrans_dev *dev = blktrans_dev_get(bdev->bd_disk); - int ret = -ENXIO; - - if (!dev) - return ret; - - mutex_lock(&dev->lock); - - if (!dev->mtd) - goto unlock; - - switch (cmd) { - case BLKFLSBUF: - ret = dev->tr->flush ? dev->tr->flush(dev) : 0; - break; - default: - ret = -ENOTTY; - } -unlock: - mutex_unlock(&dev->lock); - blktrans_dev_put(dev); - return ret; -} - static const struct block_device_operations mtd_block_ops = { .owner = THIS_MODULE, .open = blktrans_open, .release = blktrans_release, - .ioctl = blktrans_ioctl, .getgeo = blktrans_getgeo, }; |