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block: allow bio_for_each_segment_all() to iterate over multi-page bvec

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This patch introduces one extra iterator variable to bio_for_each_segment_all(),
then we can allow bio_for_each_segment_all() to iterate over multi-page bvec.

Given it is just one mechannical & simple change on all bio_for_each_segment_all()
users, this patch does tree-wide change in one single patch, so that we can
avoid to use a temporary helper for this conversion.

Reviewed-by: Omar Sandoval <osandov@fb.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Ming Lei
2019-02-15 19:13:19 +08:00
committed by Jens Axboe
parent 2e1f4f4d24
commit 6dc4f100c1
27 changed files with 127 additions and 46 deletions
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5
fs/xfs/xfs_aops.c
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@@ -62,7 +62,7 @@ xfs_find_daxdev_for_inode(
static void
xfs_finish_page_writeback(
struct inode *inode,
struct bio_vec *bvec,
struct bio_vec *bvec,
int error)
{
struct iomap_page *iop = to_iomap_page(bvec->bv_page);
@@ -98,6 +98,7 @@ xfs_destroy_ioend(
for (bio = &ioend->io_inline_bio; bio; bio = next) {
struct bio_vec *bvec;
int i;
struct bvec_iter_all iter_all;
/*
* For the last bio, bi_private points to the ioend, so we
@@ -109,7 +110,7 @@ xfs_destroy_ioend(
next = bio->bi_private;
/* walk each page on bio, ending page IO on them */
bio_for_each_segment_all(bvec, bio, i)
bio_for_each_segment_all(bvec, bio, i, iter_all)
xfs_finish_page_writeback(inode, bvec, error);
bio_put(bio);
}