[PATCH V6 26/30] gfs2: conver to bio_for_each_chunk_segment_all
STALE3027d
From: Ming Lei <hidden>
Date: 2018-06-09 12:30:10
Also in:
linux-fsdevel, linux-mm, lkml
Subsystem:
filesystems (vfs and infrastructure), gfs2 file system, the rest · Maintainers:
Alexander Viro, Christian Brauner, Andreas Gruenbacher, Linus Torvalds
Revision v6 of 6 in this series.
Revisions (6)
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_chunk_segment_all() Given bvec can't be changed inside bio_for_each_chunk_segtment(), this patch marks the bvec parameter as 'const' for gfs2_end_log_write_bh(). Signed-off-by: Ming Lei <redacted> --- fs/gfs2/lops.c | 6 ++++-- fs/gfs2/meta_io.c | 3 ++- 2 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c
index 4d6567990baf..e48f215006dd 100644
--- a/fs/gfs2/lops.c
+++ b/fs/gfs2/lops.c@@ -168,7 +168,8 @@ u64 gfs2_log_bmap(struct gfs2_sbd *sdp) * that is pinned in the pagecache. */ -static void gfs2_end_log_write_bh(struct gfs2_sbd *sdp, struct bio_vec *bvec, +static void gfs2_end_log_write_bh(struct gfs2_sbd *sdp, + const struct bio_vec *bvec, blk_status_t error) { struct buffer_head *bh, *next;
@@ -207,6 +208,7 @@ static void gfs2_end_log_write(struct bio *bio) struct bio_vec *bvec; struct page *page; int i; + struct bvec_chunk_iter citer; if (bio->bi_status) { fs_err(sdp, "Error %d writing to journal, jid=%u\n",
@@ -214,7 +216,7 @@ static void gfs2_end_log_write(struct bio *bio) wake_up(&sdp->sd_logd_waitq); } - bio_for_each_segment_all(bvec, bio, i) { + bio_for_each_chunk_segment_all(bvec, bio, i, citer) { page = bvec->bv_page; if (page_has_buffers(page)) gfs2_end_log_write_bh(sdp, bvec, bio->bi_status);
diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c
index 52de1036d9f9..1448f42f9c91 100644
--- a/fs/gfs2/meta_io.c
+++ b/fs/gfs2/meta_io.c@@ -190,8 +190,9 @@ static void gfs2_meta_read_endio(struct bio *bio) { struct bio_vec *bvec; int i; + struct bvec_chunk_iter citer; - bio_for_each_segment_all(bvec, bio, i) { + bio_for_each_chunk_segment_all(bvec, bio, i, citer) { struct page *page = bvec->bv_page; struct buffer_head *bh = page_buffers(page); unsigned int len = bvec->bv_len;
--
2.9.5