| Message ID | 20240222124555.2049140-17-yukuai1@huaweicloud.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | fs & block: remove bdev->bd_inode | expand |
On Thu 22-02-24 20:45:52, Yu Kuai wrote: > From: Yu Kuai <yukuai3@huawei.com> > > Now that block2mtd stash the file of opened bdev, it's ok to get inode > from the file. > > Signed-off-by: Yu Kuai <yukuai3@huawei.com> Looks good. Feel free to add: Reviewed-by: Jan Kara <jack@suse.cz> Honza > --- > drivers/mtd/devices/block2mtd.c | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) > > diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c > index 97a00ec9a4d4..e9ecb3286dcb 100644 > --- a/drivers/mtd/devices/block2mtd.c > +++ b/drivers/mtd/devices/block2mtd.c > @@ -265,6 +265,7 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size, > struct file *bdev_file; > struct block_device *bdev; > struct block2mtd_dev *dev; > + loff_t size; > char *name; > > if (!devname) > @@ -291,7 +292,8 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size, > goto err_free_block2mtd; > } > > - if ((long)bdev->bd_inode->i_size % erase_size) { > + size = i_size_read(file_inode(bdev_file)); > + if ((long)size % erase_size) { > pr_err("erasesize must be a divisor of device size\n"); > goto err_free_block2mtd; > } > @@ -309,7 +311,7 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size, > > dev->mtd.name = name; > > - dev->mtd.size = bdev->bd_inode->i_size & PAGE_MASK; > + dev->mtd.size = size & PAGE_MASK; > dev->mtd.erasesize = erase_size; > dev->mtd.writesize = 1; > dev->mtd.writebufsize = PAGE_SIZE; > -- > 2.39.2 >
On Thu, Feb 22, 2024 at 08:45:52PM +0800, Yu Kuai wrote: > From: Yu Kuai <yukuai3@huawei.com> > > Now that block2mtd stash the file of opened bdev, it's ok to get inode > from the file. Looks good: Reviewed-by: Christoph Hellwig <hch@lst.de> (not that block2mtd would also significantly benefit from using the normal file based APIs for accessing the underlying block device. No need to do that in this series, though)
diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c index 97a00ec9a4d4..e9ecb3286dcb 100644 --- a/drivers/mtd/devices/block2mtd.c +++ b/drivers/mtd/devices/block2mtd.c @@ -265,6 +265,7 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size, struct file *bdev_file; struct block_device *bdev; struct block2mtd_dev *dev; + loff_t size; char *name; if (!devname) @@ -291,7 +292,8 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size, goto err_free_block2mtd; } - if ((long)bdev->bd_inode->i_size % erase_size) { + size = i_size_read(file_inode(bdev_file)); + if ((long)size % erase_size) { pr_err("erasesize must be a divisor of device size\n"); goto err_free_block2mtd; } @@ -309,7 +311,7 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size, dev->mtd.name = name; - dev->mtd.size = bdev->bd_inode->i_size & PAGE_MASK; + dev->mtd.size = size & PAGE_MASK; dev->mtd.erasesize = erase_size; dev->mtd.writesize = 1; dev->mtd.writebufsize = PAGE_SIZE;