A later change to move_expired_inodes() requires passing fields from
writeback work descriptor into memcontrol code when determining if an
inode should be written back considered.
Signed-off-by: Greg Thelen <gthelen@xxxxxxxxxx>
---
fs/fs-writeback.c | 15 ++++++++-------
1 files changed, 8 insertions(+), 7 deletions(-)
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 6bf4c49..e91fb82 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -252,7 +252,7 @@ static bool inode_dirtied_after(struct inode *inode, unsigned long t)
*/
static int move_expired_inodes(struct list_head *delaying_queue,
struct list_head *dispatch_queue,
- unsigned long *older_than_this)
+ struct wb_writeback_work *work)
{
LIST_HEAD(tmp);
struct list_head *pos, *node;
@@ -263,8 +263,8 @@ static int move_expired_inodes(struct list_head *delaying_queue,
while (!list_empty(delaying_queue)) {
inode = wb_inode(delaying_queue->prev);
- if (older_than_this &&
- inode_dirtied_after(inode, *older_than_this))
+ if (work->older_than_this &&
+ inode_dirtied_after(inode, *work->older_than_this))
break;
if (sb && sb != inode->i_sb)
do_sb_sort = 1;
@@ -303,13 +303,14 @@ out:
* |
* +--> dequeue for IO
*/
-static void queue_io(struct bdi_writeback *wb, unsigned long *older_than_this)
+static void queue_io(struct bdi_writeback *wb, struct wb_writeback_work *work)
{
int moved;
assert_spin_locked(&wb->list_lock);
list_splice_init(&wb->b_more_io, &wb->b_io);
- moved = move_expired_inodes(&wb->b_dirty, &wb->b_io, older_than_this);
- trace_writeback_queue_io(wb, older_than_this, moved);
+ moved = move_expired_inodes(&wb->b_dirty, &wb->b_io, work);
+ trace_writeback_queue_io(wb, work ? work->older_than_this : NULL,
+ moved);
}
static int write_inode(struct inode *inode, struct writeback_control *wbc)
@@ -739,7 +740,7 @@ static long wb_writeback(struct bdi_writeback *wb,
trace_writeback_start(wb->bdi, work);
if (list_empty(&wb->b_io))
- queue_io(wb, work->older_than_this);
+ queue_io(wb, work);
if (work->sb)
progress = writeback_sb_inodes(work->sb, wb, work);
else
--
1.7.3.1
--
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