Only need to change the bio_for_each_segment_all() call to
__bio_for_each_segment() call, and using btrfs_bio::iter as the initial
bi_iter.
Now the endio function can handle both split and unsplit bios well.
Signed-off-by: Qu Wenruo <wqu@xxxxxxxx>
---
fs/btrfs/extent_io.c | 24 ++++++++++++------------
1 file changed, 12 insertions(+), 12 deletions(-)
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index e0e072c0e5c8..524a00ba0ca0 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2827,31 +2827,31 @@ void end_extent_writepage(struct page *page, int err, u64 start, u64 end)
static void end_bio_extent_writepage(struct bio *bio)
{
int error = blk_status_to_errno(bio->bi_status);
- struct bio_vec *bvec;
+ struct bio_vec bvec;
+ struct bvec_iter iter;
u64 start;
u64 end;
- struct bvec_iter_all iter_all;
bool first_bvec = true;
- ASSERT(!bio_flagged(bio, BIO_CLONED));
- bio_for_each_segment_all(bvec, bio, iter_all) {
- struct page *page = bvec->bv_page;
+ ASSERT(btrfs_bio(bio)->iter.bi_size);
+ __bio_for_each_segment(bvec, bio, iter, btrfs_bio(bio)->iter) {
+ struct page *page = bvec.bv_page;
struct inode *inode = page->mapping->host;
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
const u32 sectorsize = fs_info->sectorsize;
/* Our read/write should always be sector aligned. */
- if (!IS_ALIGNED(bvec->bv_offset, sectorsize))
+ if (!IS_ALIGNED(bvec.bv_offset, sectorsize))
btrfs_err(fs_info,
"partial page write in btrfs with offset %u and length %u",
- bvec->bv_offset, bvec->bv_len);
- else if (!IS_ALIGNED(bvec->bv_len, sectorsize))
+ bvec.bv_offset, bvec.bv_len);
+ else if (!IS_ALIGNED(bvec.bv_len, sectorsize))
btrfs_info(fs_info,
"incomplete page write with offset %u and length %u",
- bvec->bv_offset, bvec->bv_len);
+ bvec.bv_offset, bvec.bv_len);
- start = page_offset(page) + bvec->bv_offset;
- end = start + bvec->bv_len - 1;
+ start = page_offset(page) + bvec.bv_offset;
+ end = start + bvec.bv_len - 1;
if (first_bvec) {
btrfs_record_physical_zoned(inode, start, bio);
@@ -2860,7 +2860,7 @@ static void end_bio_extent_writepage(struct bio *bio)
end_extent_writepage(page, error, start, end);
- btrfs_page_clear_writeback(fs_info, page, start, bvec->bv_len);
+ btrfs_page_clear_writeback(fs_info, page, start, bvec.bv_len);
}
bio_put(bio);
--
2.34.1
--
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