On 2017/10/30 14:18, Yunlei He wrote:
> modify for accurate fggc node io stat
>
> Signed-off-by: Yunlei He <heyun...@huawei.com>
Reviewed-by: Chao Yu <yuch...@huawei.com>
Thanks,
> ---
> fs/f2fs/node.c | 62
> +++++++++++++++++++++++++++++-----------------------------
> 1 file changed, 31 insertions(+), 31 deletions(-)
>
> diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
> index f44d837..1552c6a 100644
> --- a/fs/f2fs/node.c
> +++ b/fs/f2fs/node.c
> @@ -1242,37 +1242,6 @@ static void flush_inline_data(struct f2fs_sb_info
> *sbi, nid_t ino)
> iput(inode);
> }
>
> -void move_node_page(struct page *node_page, int gc_type)
> -{
> - if (gc_type == FG_GC) {
> - struct f2fs_sb_info *sbi = F2FS_P_SB(node_page);
> - struct writeback_control wbc = {
> - .sync_mode = WB_SYNC_ALL,
> - .nr_to_write = 1,
> - .for_reclaim = 0,
> - };
> -
> - set_page_dirty(node_page);
> - f2fs_wait_on_page_writeback(node_page, NODE, true);
> -
> - f2fs_bug_on(sbi, PageWriteback(node_page));
> - if (!clear_page_dirty_for_io(node_page))
> - goto out_page;
> -
> - if (NODE_MAPPING(sbi)->a_ops->writepage(node_page, &wbc))
> - unlock_page(node_page);
> - goto release_page;
> - } else {
> - /* set page dirty and write it */
> - if (!PageWriteback(node_page))
> - set_page_dirty(node_page);
> - }
> -out_page:
> - unlock_page(node_page);
> -release_page:
> - f2fs_put_page(node_page, 0);
> -}
> -
> static struct page *last_fsync_dnode(struct f2fs_sb_info *sbi, nid_t ino)
> {
> pgoff_t index, end;
> @@ -1415,6 +1384,37 @@ static int __write_node_page(struct page *page, bool
> atomic, bool *submitted,
> return AOP_WRITEPAGE_ACTIVATE;
> }
>
> +void move_node_page(struct page *node_page, int gc_type)
> +{
> + if (gc_type == FG_GC) {
> + struct writeback_control wbc = {
> + .sync_mode = WB_SYNC_ALL,
> + .nr_to_write = 1,
> + .for_reclaim = 0,
> + };
> +
> + set_page_dirty(node_page);
> + f2fs_wait_on_page_writeback(node_page, NODE, true);
> +
> + f2fs_bug_on(F2FS_P_SB(node_page), PageWriteback(node_page));
> + if (!clear_page_dirty_for_io(node_page))
> + goto out_page;
> +
> + if (__write_node_page(node_page, false, NULL,
> + &wbc, false, FS_GC_NODE_IO))
> + unlock_page(node_page);
> + goto release_page;
> + } else {
> + /* set page dirty and write it */
> + if (!PageWriteback(node_page))
> + set_page_dirty(node_page);
> + }
> +out_page:
> + unlock_page(node_page);
> +release_page:
> + f2fs_put_page(node_page, 0);
> +}
> +
> static int f2fs_write_node_page(struct page *page,
> struct writeback_control *wbc)
> {
>
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