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block: rename BIO_MAX_PAGES to BIO_MAX_VECS

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Ever since the addition of multipage bio_vecs BIO_MAX_PAGES has been
horribly confusingly misnamed.  Rename it to BIO_MAX_VECS to stop
confusing users of the bio API.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20210311110137.1132391-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig
2021-03-11 12:01:37 +01:00
committed by Jens Axboe
parent df66617bfe
commit a8affc03a9
31 changed files with 56 additions and 56 deletions
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6
fs/block_dev.c
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@@ -432,7 +432,7 @@ static ssize_t __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
dio->size += bio->bi_iter.bi_size;
pos += bio->bi_iter.bi_size;
nr_pages = bio_iov_vecs_to_alloc(iter, BIO_MAX_PAGES);
nr_pages = bio_iov_vecs_to_alloc(iter, BIO_MAX_VECS);
if (!nr_pages) {
bool polled = false;
@@ -500,8 +500,8 @@ blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
if (!iov_iter_count(iter))
return 0;
nr_pages = bio_iov_vecs_to_alloc(iter, BIO_MAX_PAGES + 1);
if (is_sync_kiocb(iocb) && nr_pages <= BIO_MAX_PAGES)
nr_pages = bio_iov_vecs_to_alloc(iter, BIO_MAX_VECS + 1);
if (is_sync_kiocb(iocb) && nr_pages <= BIO_MAX_VECS)
return __blkdev_direct_IO_simple(iocb, iter, nr_pages);
return __blkdev_direct_IO(iocb, iter, bio_max_segs(nr_pages));