Re: [PATCH block/for-next v2 07/16] bcachefs: use new helper to get inode from block_device

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在 2023/11/27 15:24, Kent Overstreet 写道:
On Mon, Nov 27, 2023 at 04:09:47PM +0900, Damien Le Moal wrote:
On 11/27/23 15:21, Yu Kuai wrote:
From: Yu Kuai <yukuai3@xxxxxxxxxx>

Which is more efficiency, and also prepare to remove the field
'bd_inode' from block_device.

Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx>
  fs/bcachefs/util.h | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/bcachefs/util.h b/fs/bcachefs/util.h
index 2984b57b2958..fe7ccb3a3517 100644
--- a/fs/bcachefs/util.h
+++ b/fs/bcachefs/util.h
@@ -518,7 +518,7 @@ int bch2_bio_alloc_pages(struct bio *, size_t, gfp_t);
static inline sector_t bdev_sectors(struct block_device *bdev)
-	return bdev->bd_inode->i_size >> 9;
+	return bdev_inode(bdev)->i_size >> 9;

shouldn't this use i_size_read() ?

I missed the history with this but why not use bdev_nr_sectors() and delete this
helper ?

Actually, this helper seems to be dead code.

Yes, there is no caller of this helper, I'll remove this helper.



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