[PATCH V4 37/45] xfs: conver to bio_for_each_page_all2

[Ming Lei]

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().

Given bvec can't be changed under bio_for_each_page_all2(), this patch
marks the bvec parameter as 'const' for xfs_finish_page_writeback().

Signed-off-by: Ming Lei <ming....@redhat.com>
---
 fs/xfs/xfs_aops.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 8c19f7e0fd32..c0d970817cdc 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -107,7 +107,7 @@ xfs_find_daxdev_for_inode(
 static void
 xfs_finish_page_writeback(
        struct inode            *inode,
-       struct bio_vec          *bvec,
+       const struct bio_vec    *bvec,
        int                     error)
 {
        struct buffer_head      *head = page_buffers(bvec->bv_page), *bh = head;
@@ -169,6 +169,7 @@ xfs_destroy_ioend(
        for (bio = &ioend->io_inline_bio; bio; bio = next) {
                struct bio_vec  *bvec;
                int             i;
+               struct bvec_iter_all bia;
 
                /*
                 * For the last bio, bi_private points to the ioend, so we
@@ -180,7 +181,7 @@ xfs_destroy_ioend(
                        next = bio->bi_private;
 
                /* walk each page on bio, ending page IO on them */
-               bio_for_each_page_all(bvec, bio, i)
+               bio_for_each_page_all2(bvec, bio, i, bia)
                        xfs_finish_page_writeback(inode, bvec, error);
 
                bio_put(bio);
-- 
2.9.5