From: Kemeng Shi <shikemeng@huaweicloud.com>
To: willy@infradead.org, akpm@linux-foundation.org, jack@suse.cz,
tj@kernel.org
Cc: linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: [PATCH 10/10] writeback: factor out balance_wb_limits to remove repeated code
Date: Mon, 29 Apr 2024 11:47:38 +0800 [thread overview]
Message-ID: <20240429034738.138609-11-shikemeng@huaweicloud.com> (raw)
In-Reply-To: <20240429034738.138609-1-shikemeng@huaweicloud.com>
Factor out balance_wb_limits to remove repeated code
Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
---
mm/page-writeback.c | 21 +++++++++++++--------
1 file changed, 13 insertions(+), 8 deletions(-)
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 26b638cc58c5..4949036e6286 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -1790,6 +1790,17 @@ static inline void wb_dirty_exceeded(struct dirty_throttle_control *dtc,
((dtc->dirty > dtc->thresh) || strictlimit);
}
+static void balance_wb_limits(struct dirty_throttle_control *dtc,
+ bool strictlimit)
+{
+ wb_dirty_freerun(dtc, strictlimit);
+ if (dtc->freerun)
+ return;
+
+ wb_dirty_exceeded(dtc, strictlimit);
+ wb_position_ratio(dtc);
+}
+
/*
* balance_dirty_pages() must be called by processes which are generating dirty
* data. It looks at the number of dirty pages in the machine and will force
@@ -1875,12 +1886,9 @@ static int balance_dirty_pages(struct bdi_writeback *wb,
* Calculate global domain's pos_ratio and select the
* global dtc by default.
*/
- wb_dirty_freerun(gdtc, strictlimit);
+ balance_wb_limits(gdtc, strictlimit);
if (gdtc->freerun)
goto free_running;
-
- wb_dirty_exceeded(gdtc, strictlimit);
- wb_position_ratio(gdtc);
sdtc = gdtc;
if (mdtc) {
@@ -1890,12 +1898,9 @@ static int balance_dirty_pages(struct bdi_writeback *wb,
* both global and memcg domains. Choose the one
* w/ lower pos_ratio.
*/
- wb_dirty_freerun(mdtc, strictlimit);
+ balance_wb_limits(mdtc, strictlimit);
if (mdtc->freerun)
goto free_running;
-
- wb_dirty_exceeded(mdtc, strictlimit);
- wb_position_ratio(mdtc);
if (mdtc->pos_ratio < gdtc->pos_ratio)
sdtc = mdtc;
}
--
2.30.0
prev parent reply other threads:[~2024-04-29 3:48 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-29 3:47 [PATCH 00/10] Add helper functions to remove repeated code and Kemeng Shi
2024-04-29 3:47 ` [PATCH 01/10] writeback: factor out wb_bg_dirty_limits to remove repeated code Kemeng Shi
2024-05-01 16:40 ` Tejun Heo
2024-04-29 3:47 ` [PATCH 02/10] writeback: add general function domain_dirty_avail to calculate dirty and avail of domain Kemeng Shi
2024-05-01 16:49 ` Tejun Heo
2024-05-06 1:32 ` Kemeng Shi
2024-04-29 3:47 ` [PATCH 03/10] writeback: factor out domain_over_bg_thresh to remove repeated code Kemeng Shi
2024-05-01 16:53 ` Tejun Heo
2024-04-29 3:47 ` [PATCH 04/10] writeback use [global/wb]_domain_dirty_avail helper in cgwb_calc_thresh Kemeng Shi
2024-05-01 16:56 ` Tejun Heo
2024-05-06 1:36 ` Kemeng Shi
2024-04-29 3:47 ` [PATCH 05/10] writeback: call domain_dirty_avail in balance_dirty_pages Kemeng Shi
2024-05-01 16:57 ` Tejun Heo
2024-05-06 1:36 ` Kemeng Shi
2024-04-29 3:47 ` [PATCH 06/10] writeback: Factor out code of freerun to remove repeated code Kemeng Shi
2024-05-01 17:15 ` Tejun Heo
2024-05-06 1:38 ` Kemeng Shi
2024-04-29 3:47 ` [PATCH 07/10] writeback: factor out wb_dirty_freerun to remove more repeated freerun code Kemeng Shi
2024-05-01 17:18 ` Tejun Heo
2024-05-06 1:53 ` Kemeng Shi
2024-04-29 3:47 ` [PATCH 08/10] writeback: factor out balance_domain_limits to remove repeated code Kemeng Shi
2024-05-01 17:21 ` Tejun Heo
2024-04-29 3:47 ` [PATCH 09/10] writeback: factor out wb_dirty_exceeded " Kemeng Shi
2024-04-30 7:24 ` Dan Carpenter
2024-05-06 2:15 ` Kemeng Shi
2024-05-01 17:28 ` Tejun Heo
2024-04-29 3:47 ` Kemeng Shi [this message]
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