Call mark_buffer_dirty() for segment summary and super root block
buffers on the backing device's page cache, thereby indirectly calling
inode_attach_wb().
Then remove the no longer needed call to inode_attach_wb() in
nilfs_attach_log_writer(), resolving the concern about its
layer-violating use.
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@xxxxxxxxx>
---
fs/nilfs2/segment.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index a92609816bc9..36e0bb38e1aa 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -1678,6 +1678,7 @@ static void nilfs_prepare_write_logs(struct list_head *logs, u32 seed)
list_for_each_entry(segbuf, logs, sb_list) {
list_for_each_entry(bh, &segbuf->sb_segsum_buffers,
b_assoc_buffers) {
+ mark_buffer_dirty(bh);
if (bh->b_folio == bd_folio)
continue;
if (bd_folio) {
@@ -1694,6 +1695,7 @@ static void nilfs_prepare_write_logs(struct list_head *logs, u32 seed)
/* Prepare to write super root block */
bh = NILFS_LAST_SEGBUF(logs)->sb_super_root;
if (bh) {
+ mark_buffer_dirty(bh);
if (bh->b_folio != bd_folio) {
folio_lock(bd_folio);
folio_wait_writeback(bd_folio);
@@ -2843,8 +2845,6 @@ int nilfs_attach_log_writer(struct super_block *sb, struct nilfs_root *root)
if (!nilfs->ns_writer)
return -ENOMEM;
- inode_attach_wb(nilfs->ns_bdev->bd_mapping->host, NULL);
-
err = nilfs_segctor_start_thread(nilfs->ns_writer);
if (unlikely(err))
nilfs_detach_log_writer(sb);
--
2.34.1
