The patch titled
Subject: writeback-support-retrieving-per-group-debug-writeback-stats-of-bdi-fix-2
has been added to the -mm mm-unstable branch. Its filename is
writeback-support-retrieving-per-group-debug-writeback-stats-of-bdi-fix-2.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/writeback-support-retrieving-per-group-debug-writeback-stats-of-bdi-fix-2.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Subject: writeback-support-retrieving-per-group-debug-writeback-stats-of-bdi-fix-2
Date: Tue, 23 Apr 2024 10:22:53 +1000
fix build with CONFIG_CGROUP_WRITEBACK=n
mm/backing-dev.c: In function 'wb_stats_show':
mm/backing-dev.c:175:33: error: 'struct bdi_writeback' has no member named =
'memcg_css'
175 | cgroup_ino(wb->memcg_css->cgroup),
| ^~
Link: https://lkml.kernel.org/r/20240423102253.3675d0af@xxxxxxxxxxxxxxxx
Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Cc: Kemeng Shi <shikemeng@xxxxxxxxxxxxxxx>
Cc: Tejun Heo <tj@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/backing-dev.c | 4 ++++
1 file changed, 4 insertions(+)
--- a/mm/backing-dev.c~writeback-support-retrieving-per-group-debug-writeback-stats-of-bdi-fix-2
+++ a/mm/backing-dev.c
@@ -172,7 +172,11 @@ static void wb_stats_show(struct seq_fil
"b_more_io: %10lu\n"
"b_dirty_time: %10lu\n"
"state: %10lx\n\n",
+#ifdef CONFIG_CGROUP_WRITEBACK
cgroup_ino(wb->memcg_css->cgroup),
+#else
+ (ino_t)0,
+#endif
K(stats->nr_writeback),
K(stats->nr_reclaimable),
K(stats->wb_thresh),
_
Patches currently in -mm which might be from sfr@xxxxxxxxxxxxxxxx are
writeback-support-retrieving-per-group-debug-writeback-stats-of-bdi-fix-2.patch
