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authorKemeng Shi <shikemeng@huaweicloud.com>2024-05-14 14:52:52 +0200
committerAndrew Morton <akpm@linux-foundation.org>2024-07-04 04:29:54 +0200
commit8c9918dedf78e0ed11b236e528e3f3aed5cad458 (patch)
treeac5451d08db67e871b1852d9268b8f596457e961
parentwriteback: factor out wb_dirty_freerun to remove more repeated freerun code (diff)
downloadlinux-8c9918dedf78e0ed11b236e528e3f3aed5cad458.tar.xz
linux-8c9918dedf78e0ed11b236e528e3f3aed5cad458.zip
writeback: factor out balance_domain_limits to remove repeated code
Factor out balance_domain_limits to remove repeated code. Link: https://lkml.kernel.org/r/20240514125254.142203-7-shikemeng@huaweicloud.com Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com> Acked-by: Tejun Heo <tj@kernel.org> Cc: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to '')
-rw-r--r--mm/page-writeback.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index a93505cadd4e..e03beb95a62e 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -1746,6 +1746,14 @@ static void domain_dirty_freerun(struct dirty_throttle_control *dtc,
dtc->freerun = dirty <= dirty_freerun_ceiling(thresh, bg_thresh);
}
+static void balance_domain_limits(struct dirty_throttle_control *dtc,
+ bool strictlimit)
+{
+ domain_dirty_avail(dtc, true);
+ domain_dirty_limits(dtc);
+ domain_dirty_freerun(dtc, strictlimit);
+}
+
static void wb_dirty_freerun(struct dirty_throttle_control *dtc,
bool strictlimit)
{
@@ -1802,18 +1810,13 @@ static int balance_dirty_pages(struct bdi_writeback *wb,
nr_dirty = global_node_page_state(NR_FILE_DIRTY);
- domain_dirty_avail(gdtc, true);
- domain_dirty_limits(gdtc);
- domain_dirty_freerun(gdtc, strictlimit);
-
+ balance_domain_limits(gdtc, strictlimit);
if (mdtc) {
/*
* If @wb belongs to !root memcg, repeat the same
* basic calculations for the memcg domain.
*/
- domain_dirty_avail(mdtc, true);
- domain_dirty_limits(mdtc);
- domain_dirty_freerun(mdtc, strictlimit);
+ balance_domain_limits(mdtc, strictlimit);
}
/*