On Thu 22-07-10 13:09:29, Wu Fengguang wrote:
> This is to prepare for moving the dirty expire policy to move_expired_inodes().
> No behavior change.
Looks OK.
Acked-by: Jan Kara <jack@xxxxxxx>
> Signed-off-by: Wu Fengguang <fengguang.wu@xxxxxxxxx>
> ---
> fs/fs-writeback.c | 16 ++++++++--------
> 1 file changed, 8 insertions(+), 8 deletions(-)
>
> --- linux-next.orig/fs/fs-writeback.c 2010-07-21 20:12:38.000000000 +0800
> +++ linux-next/fs/fs-writeback.c 2010-07-21 20:14:38.000000000 +0800
> @@ -213,8 +213,8 @@ static bool inode_dirtied_after(struct i
> * Move expired dirty inodes from @delaying_queue to @dispatch_queue.
> */
> static void move_expired_inodes(struct list_head *delaying_queue,
> - struct list_head *dispatch_queue,
> - unsigned long *older_than_this)
> + struct list_head *dispatch_queue,
> + struct writeback_control *wbc)
> {
> LIST_HEAD(tmp);
> struct list_head *pos, *node;
> @@ -224,8 +224,8 @@ static void move_expired_inodes(struct l
>
> while (!list_empty(delaying_queue)) {
> inode = list_entry(delaying_queue->prev, struct inode, i_list);
> - if (older_than_this &&
> - inode_dirtied_after(inode, *older_than_this))
> + if (wbc->older_than_this &&
> + inode_dirtied_after(inode, *wbc->older_than_this))
> break;
> if (sb && sb != inode->i_sb)
> do_sb_sort = 1;
> @@ -257,10 +257,10 @@ static void move_expired_inodes(struct l
> * => b_more_io inodes
> * => remaining inodes in b_io => (dequeue for sync)
> */
> -static void queue_io(struct bdi_writeback *wb, unsigned long *older_than_this)
> +static void queue_io(struct bdi_writeback *wb, struct writeback_control *wbc)
> {
> list_splice_init(&wb->b_more_io, &wb->b_io);
> - move_expired_inodes(&wb->b_dirty, &wb->b_io, older_than_this);
> + move_expired_inodes(&wb->b_dirty, &wb->b_io, wbc);
> }
>
> static int write_inode(struct inode *inode, struct writeback_control *wbc)
> @@ -519,7 +519,7 @@ void writeback_inodes_wb(struct bdi_writ
> wbc->wb_start = jiffies; /* livelock avoidance */
> spin_lock(&inode_lock);
> if (!wbc->for_kupdate || list_empty(&wb->b_io))
> - queue_io(wb, wbc->older_than_this);
> + queue_io(wb, wbc);
>
> while (!list_empty(&wb->b_io)) {
> struct inode *inode = list_entry(wb->b_io.prev,
> @@ -548,7 +548,7 @@ static void __writeback_inodes_sb(struct
> wbc->wb_start = jiffies; /* livelock avoidance */
> spin_lock(&inode_lock);
> if (!wbc->for_kupdate || list_empty(&wb->b_io))
> - queue_io(wb, wbc->older_than_this);
> + queue_io(wb, wbc);
> writeback_sb_inodes(sb, wb, wbc, true);
> spin_unlock(&inode_lock);
> }
>
>
> --
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--
Jan Kara <jack@xxxxxxx>
SUSE Labs, CR
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