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Groups > linux.kernel > #1367351

[PATCH v1 5/8] fs: xfs: replace BIO_MAX_SECTORS with BIO_MAX_PAGES

From Ming Lei <ming.lei@canonical.com>
Newsgroups linux.kernel
Subject [PATCH v1 5/8] fs: xfs: replace BIO_MAX_SECTORS with BIO_MAX_PAGES
Date 2016-03-30 18:20 +0200
Message-ID <rir0E-7XM-55@gated-at.bofh.it> (permalink)
References <rir0C-7XM-9@gated-at.bofh.it>
Organization linux.* mail to news gateway

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BIO_MAX_PAGES is used as maximum count of bvecs, so
replace BIO_MAX_SECTORS with BIO_MAX_PAGES since
BIO_MAX_SECTORS is to be removed.

Signed-off-by: Ming Lei <ming.lei@canonical.com>
---
 fs/xfs/xfs_buf.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index 9a2191b..b9ecb2d 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -1161,9 +1161,7 @@ xfs_buf_ioapply_map(
 
 next_chunk:
 	atomic_inc(&bp->b_io_remaining);
-	nr_pages = BIO_MAX_SECTORS >> (PAGE_SHIFT - BBSHIFT);
-	if (nr_pages > total_nr_pages)
-		nr_pages = total_nr_pages;
+	nr_pages = min(total_nr_pages, BIO_MAX_PAGES);
 
 	bio = bio_alloc(GFP_NOIO, nr_pages);
 	bio->bi_bdev = bp->b_target->bt_bdev;
-- 
1.9.1

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Thread

[PATCH v1 0/8] block: prepare for multipage bvecs Ming Lei <ming.lei@canonical.com> - 2016-03-30 18:20 +0200
  [PATCH v1 6/8] block: bio: remove BIO_MAX_SECTORS Ming Lei <ming.lei@canonical.com> - 2016-03-30 18:20 +0200
  [PATCH v1 1/8] block: move bvec iterator into include/linux/bvec_iter.h Ming Lei <ming.lei@canonical.com> - 2016-03-30 18:20 +0200
  [PATCH v1 3/8] block: mark 1st parameter of bvec_iter_advance as const Ming Lei <ming.lei@canonical.com> - 2016-03-30 18:20 +0200
  [PATCH v1 7/8] block: drbd: avoid to use BIO_MAX_SIZE Ming Lei <ming.lei@canonical.com> - 2016-03-30 18:20 +0200
  [PATCH v1 4/8] iov_iter: use bvec iterator to implement iterate_bvec() Ming Lei <ming.lei@canonical.com> - 2016-03-30 18:20 +0200
  [PATCH v1 5/8] fs: xfs: replace BIO_MAX_SECTORS with BIO_MAX_PAGES Ming Lei <ming.lei@canonical.com> - 2016-03-30 18:20 +0200
  [PATCH v1 8/8] block: bio: remove BIO_MAX_SIZE Ming Lei <ming.lei@canonical.com> - 2016-03-30 18:20 +0200
  [PATCH v1 2/8] block: make 'struct bvec_iter' not depend on CONFIG_BLOCK Ming Lei <ming.lei@canonical.com> - 2016-03-30 18:30 +0200
    Re: [PATCH v1 2/8] block: make 'struct bvec_iter' not depend on  CONFIG_BLOCK Christoph Hellwig <hch@infradead.org> - 2016-03-30 19:20 +0200
      Re: [PATCH v1 2/8] block: make 'struct bvec_iter' not depend on CONFIG_BLOCK Ming Lei <ming.lei@canonical.com> - 2016-03-31 03:10 +0200
        Re: [PATCH v1 2/8] block: make 'struct bvec_iter' not depend on  CONFIG_BLOCK Christoph Hellwig <hch@infradead.org> - 2016-03-31 10:00 +0200
          Re: [PATCH v1 2/8] block: make 'struct bvec_iter' not depend on CONFIG_BLOCK Ming Lei <ming.lei@canonical.com> - 2016-04-01 02:40 +0200

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