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authorMatthew Wilcox (Oracle) <willy@infradead.org>2021-01-02 00:53:26 +0300
committerMatthew Wilcox (Oracle) <willy@infradead.org>2021-12-16 23:49:52 +0300
commit8ffd74e9a8161df544ce63b49a5a092bcb18f8e6 (patch)
treece3b88d348b4043bf59155f93d807dc52d1b46ed /fs/iomap
parentcd1e5afe5503edea2538ba426905914d9ab36958 (diff)
downloadlinux-8ffd74e9a8161df544ce63b49a5a092bcb18f8e6.tar.xz
iomap: Convert bio completions to use folios
Use bio_for_each_folio() to iterate over each folio in the bio instead of iterating over each page. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Reviewed-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/iomap')
-rw-r--r--fs/iomap/buffered-io.c50
1 files changed, 21 insertions, 29 deletions
diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
index 856ef62b319e..5730a3317407 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c
@@ -161,34 +161,29 @@ static void iomap_set_range_uptodate(struct page *page,
SetPageUptodate(page);
}
-static void
-iomap_read_page_end_io(struct bio_vec *bvec, int error)
+static void iomap_finish_folio_read(struct folio *folio, size_t offset,
+ size_t len, int error)
{
- struct page *page = bvec->bv_page;
- struct folio *folio = page_folio(page);
struct iomap_page *iop = to_iomap_page(folio);
if (unlikely(error)) {
- ClearPageUptodate(page);
- SetPageError(page);
+ folio_clear_uptodate(folio);
+ folio_set_error(folio);
} else {
- iomap_set_range_uptodate(page, iop, bvec->bv_offset,
- bvec->bv_len);
+ iomap_set_range_uptodate(&folio->page, iop, offset, len);
}
- if (!iop || atomic_sub_and_test(bvec->bv_len, &iop->read_bytes_pending))
- unlock_page(page);
+ if (!iop || atomic_sub_and_test(len, &iop->read_bytes_pending))
+ folio_unlock(folio);
}
-static void
-iomap_read_end_io(struct bio *bio)
+static void iomap_read_end_io(struct bio *bio)
{
int error = blk_status_to_errno(bio->bi_status);
- struct bio_vec *bvec;
- struct bvec_iter_all iter_all;
+ struct folio_iter fi;
- bio_for_each_segment_all(bvec, bio, iter_all)
- iomap_read_page_end_io(bvec, error);
+ bio_for_each_folio_all(fi, bio)
+ iomap_finish_folio_read(fi.folio, fi.offset, fi.length, error);
bio_put(bio);
}
@@ -1019,23 +1014,21 @@ out_unlock:
}
EXPORT_SYMBOL_GPL(iomap_page_mkwrite);
-static void
-iomap_finish_page_writeback(struct inode *inode, struct page *page,
- int error, unsigned int len)
+static void iomap_finish_folio_write(struct inode *inode, struct folio *folio,
+ size_t len, int error)
{
- struct folio *folio = page_folio(page);
struct iomap_page *iop = to_iomap_page(folio);
if (error) {
- SetPageError(page);
+ folio_set_error(folio);
mapping_set_error(inode->i_mapping, error);
}
- WARN_ON_ONCE(i_blocks_per_page(inode, page) > 1 && !iop);
+ WARN_ON_ONCE(i_blocks_per_folio(inode, folio) > 1 && !iop);
WARN_ON_ONCE(iop && atomic_read(&iop->write_bytes_pending) <= 0);
if (!iop || atomic_sub_and_test(len, &iop->write_bytes_pending))
- end_page_writeback(page);
+ folio_end_writeback(folio);
}
/*
@@ -1054,8 +1047,7 @@ iomap_finish_ioend(struct iomap_ioend *ioend, int error)
bool quiet = bio_flagged(bio, BIO_QUIET);
for (bio = &ioend->io_inline_bio; bio; bio = next) {
- struct bio_vec *bv;
- struct bvec_iter_all iter_all;
+ struct folio_iter fi;
/*
* For the last bio, bi_private points to the ioend, so we
@@ -1066,10 +1058,10 @@ iomap_finish_ioend(struct iomap_ioend *ioend, int error)
else
next = bio->bi_private;
- /* walk each page on bio, ending page IO on them */
- bio_for_each_segment_all(bv, bio, iter_all)
- iomap_finish_page_writeback(inode, bv->bv_page, error,
- bv->bv_len);
+ /* walk all folios in bio, ending page IO on them */
+ bio_for_each_folio_all(fi, bio)
+ iomap_finish_folio_write(inode, fi.folio, fi.length,
+ error);
bio_put(bio);
}
/* The ioend has been freed by bio_put() */