[PATCH V5 22/33] btrfs: conver to bio_for_each_page_all2

Ming Lei
2018-05-24T09:01:27Z

bio_for_each_page_all() can't be used any more after multipage bvec is
enabled, so we have to convert to bio_for_each_page_all2().

Signed-off-by: Ming Lei <ming.lei@redhat.com>
---
fs/btrfs/compression.c | 3 ++-
fs/btrfs/disk-io.c | 3 ++-
fs/btrfs/extent_io.c | 9 ++++++---
fs/btrfs/inode.c | 6 ++++--
fs/btrfs/raid56.c | 3 ++-
5 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index be6b09dfd6a7..4cfe38feae3b 100644
--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c
@@ -166,13 +166,14 @@ static void end_compressed_bio_read(struct bio *bio)
} else {
int i;
struct bio_vec *bvec;
+ struct bvec_iter_all bia;

/*
* we have verified the checksum already, set page
* checked so the end_io handlers know about it
*/
ASSERT(!bio_flagged(bio, BIO_CLONED));
- bio_for_each_page_all(bvec, cb->orig_bio, i)
+ bio_for_each_page_all2(bvec, cb->orig_bio, i, bia)
SetPageChecked(bvec->bv_page);

bio_endio(cb->orig_bio);
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index c6dc8a636413..ef78fd71c2f7 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -829,9 +829,10 @@ static blk_status_t btree_csum_one_bio(struct bio *bio)
struct bio_vec *bvec;
struct btrfs_root *root;
int i, ret = 0;
+ struct bvec_iter_all bia;

ASSERT(!bio_flagged(bio, BIO_CLONED));
- bio_for_each_page_all(bvec, bio, i) {
+ bio_for_each_page_all2(bvec, bio, i, bia) {
root = BTRFS_I(bvec->bv_page->mapping->host)->root;
ret = csum_dirty_buffer(root->fs_info, bvec->bv_page);
if (ret)
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 3c9c91a1e3e9..383db7a7e5a4 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2456,9 +2456,10 @@ static void end_bio_extent_writepage(struct bio *bio)
u64 start;
u64 end;
int i;
+ struct bvec_iter_all bia;

ASSERT(!bio_flagged(bio, BIO_CLONED));
- bio_for_each_page_all(bvec, bio, i) {
+ bio_for_each_page_all2(bvec, bio, i, bia) {
struct page *page = bvec->bv_page;
struct inode *inode = page->mapping->host;
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
@@ -2527,9 +2528,10 @@ static void end_bio_extent_readpage(struct bio *bio)
int mirror;
int ret;
int i;
+ struct bvec_iter_all bia;

ASSERT(!bio_flagged(bio, BIO_CLONED));
- bio_for_each_page_all(bvec, bio, i) {
+ bio_for_each_page_all2(bvec, bio, i, bia) {
struct page *page = bvec->bv_page;
struct inode *inode = page->mapping->host;
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
@@ -3681,9 +3683,10 @@ static void end_bio_extent_buffer_writepage(struct bio *bio)
struct bio_vec *bvec;
struct extent_buffer *eb;
int i, done;
+ struct bvec_iter_all bia;

ASSERT(!bio_flagged(bio, BIO_CLONED));
- bio_for_each_page_all(bvec, bio, i) {
+ bio_for_each_page_all2(bvec, bio, i, bia) {
struct page *page = bvec->bv_page;

eb = (struct extent_buffer *)page->private;
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 9d816dc725c4..8a73b26915bc 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -7883,6 +7883,7 @@ static void btrfs_retry_endio_nocsum(struct bio *bio)
struct bio_vec *bvec;
struct extent_io_tree *io_tree, *failure_tree;
int i;
+ struct bvec_iter_all bia;

if (bio->bi_status)
goto end;
@@ -7894,7 +7895,7 @@ static void btrfs_retry_endio_nocsum(struct bio *bio)

done->uptodate = 1;
ASSERT(!bio_flagged(bio, BIO_CLONED));
- bio_for_each_page_all(bvec, bio, i)
+ bio_for_each_page_all2(bvec, bio, i, bia)
clean_io_failure(BTRFS_I(inode)->root->fs_info, failure_tree,
io_tree, done->start, bvec->bv_page,
btrfs_ino(BTRFS_I(inode)), 0);
@@ -7973,6 +7974,7 @@ static void btrfs_retry_endio(struct bio *bio)
int uptodate;
int ret;
int i;
+ struct bvec_iter_all bia;

if (bio->bi_status)
goto end;
@@ -7986,7 +7988,7 @@ static void btrfs_retry_endio(struct bio *bio)
failure_tree = &BTRFS_I(inode)->io_failure_tree;

ASSERT(!bio_flagged(bio, BIO_CLONED));
- bio_for_each_page_all(bvec, bio, i) {
+ bio_for_each_page_all2(bvec, bio, i, bia) {
ret = __readpage_endio_check(inode, io_bio, i, bvec->bv_page,
bvec->bv_offset, done->start,
bvec->bv_len);
diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c
index ab9d80f79ffe..955fa4dbecee 100644
--- a/fs/btrfs/raid56.c
+++ b/fs/btrfs/raid56.c
@@ -1445,10 +1445,11 @@ static void set_bio_pages_uptodate(struct bio *bio)
{
struct bio_vec *bvec;
int i;
+ struct bvec_iter_all bia;

ASSERT(!bio_flagged(bio, BIO_CLONED));

- bio_for_each_page_all(bvec, bio, i)
+ bio_for_each_page_all2(bvec, bio, i, bia)
SetPageUptodate(bvec->bv_page);
}

--
2.9.5