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From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: Qu Wenruo <quwenruo.btrfs@gmx.com>,
	Keith Busch <kbusch@kernel.org>,
	linux-block@vger.kernel.org
Subject: [PATCH 4/4] block: move bio_iov_iter_get_bdev_pages to block/fops.c
Date: Tue,  7 Oct 2025 11:06:28 +0200	[thread overview]
Message-ID: <20251007090642.3251548-5-hch@lst.de> (raw)
In-Reply-To: <20251007090642.3251548-1-hch@lst.de>

Keep bio_iov_iter_get_bdev_pages local with the callers, as blindly
looking at the bdev logical block size is often not the best idea
unless on a block device.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 block/fops.c           | 13 ++++++++++---
 include/linux/blkdev.h |  7 -------
 2 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/block/fops.c b/block/fops.c
index c2c0396ea9ee..5e3db9fead77 100644
--- a/block/fops.c
+++ b/block/fops.c
@@ -43,6 +43,13 @@ static bool blkdev_dio_invalid(struct block_device *bdev, struct kiocb *iocb,
 			(bdev_logical_block_size(bdev) - 1);
 }
 
+static inline int blkdev_iov_iter_get_pages(struct bio *bio,
+		struct iov_iter *iter, struct block_device *bdev)
+{
+	return bio_iov_iter_get_pages(bio, iter,
+			bdev_logical_block_size(bdev) - 1);
+}
+
 #define DIO_INLINE_BIO_VECS 4
 
 static ssize_t __blkdev_direct_IO_simple(struct kiocb *iocb,
@@ -78,7 +85,7 @@ static ssize_t __blkdev_direct_IO_simple(struct kiocb *iocb,
 	if (iocb->ki_flags & IOCB_ATOMIC)
 		bio.bi_opf |= REQ_ATOMIC;
 
-	ret = bio_iov_iter_get_bdev_pages(&bio, iter, bdev);
+	ret = blkdev_iov_iter_get_pages(&bio, iter, bdev);
 	if (unlikely(ret))
 		goto out;
 	ret = bio.bi_iter.bi_size;
@@ -212,7 +219,7 @@ static ssize_t __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
 		bio->bi_end_io = blkdev_bio_end_io;
 		bio->bi_ioprio = iocb->ki_ioprio;
 
-		ret = bio_iov_iter_get_bdev_pages(bio, iter, bdev);
+		ret = blkdev_iov_iter_get_pages(bio, iter, bdev);
 		if (unlikely(ret)) {
 			bio->bi_status = BLK_STS_IOERR;
 			bio_endio(bio);
@@ -348,7 +355,7 @@ static ssize_t __blkdev_direct_IO_async(struct kiocb *iocb,
 		 */
 		bio_iov_bvec_set(bio, iter);
 	} else {
-		ret = bio_iov_iter_get_bdev_pages(bio, iter, bdev);
+		ret = blkdev_iov_iter_get_pages(bio, iter, bdev);
 		if (unlikely(ret))
 			goto out_bio_put;
 	}
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 134f974ac92d..70b671a9a7f7 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1873,13 +1873,6 @@ static inline int bio_split_rw_at(struct bio *bio,
 	return bio_split_io_at(bio, lim, segs, max_bytes, lim->dma_alignment);
 }
 
-static inline int bio_iov_iter_get_bdev_pages(struct bio *bio,
-		struct iov_iter *iter, struct block_device *bdev)
-{
-	return bio_iov_iter_get_pages(bio, iter,
-					bdev_logical_block_size(bdev) - 1);
-}
-
 #define DEFINE_IO_COMP_BATCH(name)	struct io_comp_batch name = { }
 
 #endif /* _LINUX_BLKDEV_H */
-- 
2.47.3


  parent reply	other threads:[~2025-10-07  9:07 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-07  9:06 cleanup for the recent bio_iov_iter_get_pages changes Christoph Hellwig
2025-10-07  9:06 ` [PATCH 1/4] block: remove bio_iov_iter_get_pages Christoph Hellwig
2025-10-07  9:06 ` [PATCH 2/4] block: rename bio_iov_iter_get_pages_aligned to bio_iov_iter_get_pages Christoph Hellwig
2025-10-07  9:06 ` [PATCH 3/4] iomap: open code bio_iov_iter_get_bdev_pages Christoph Hellwig
2025-10-07  9:06 ` Christoph Hellwig [this message]
2025-10-07 11:57   ` [PATCH 4/4] block: move bio_iov_iter_get_bdev_pages to block/fops.c shinichiro.kawasaki
2025-10-07 12:57     ` Keith Busch
2025-10-08  0:07       ` Shinichiro Kawasaki
2025-10-07  9:36 ` cleanup for the recent bio_iov_iter_get_pages changes Qu Wenruo
2025-10-07 12:46 ` Keith Busch
2025-10-07 12:55 ` Johannes Thumshirn
2025-10-07 13:31 ` Martin K. Petersen
2025-10-07 14:06 ` Jens Axboe

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