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Subject[PATCH 1/2] f2fs: fix gc mode when gc_urgent_high_remaining is 1
Date
Under the current logic, when gc_urgent_high_remaining is set to 1,
the mode will be switched to normal at the beginning, instead of
running in gc_urgent mode.

Let's switch the gc mode back to normal when the gc ends.

Fixes: 265576181b4a ("f2fs: remove gc_urgent_high_limited for cleanup")

Signed-off-by: Yangtao Li <frank.li@vivo.com>
---
fs/f2fs/gc.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 4546e01b2ee0..2f113fbcb85c 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -45,6 +45,7 @@ static int gc_thread_func(void *data)
set_freezable();
do {
bool sync_mode, foreground = false;
+ bool gc_normal_mode = false;

wait_event_interruptible_timeout(*wq,
kthread_should_stop() || freezing(current) ||
@@ -101,7 +102,7 @@ static int gc_thread_func(void *data)
if (sbi->gc_urgent_high_remaining) {
sbi->gc_urgent_high_remaining--;
if (!sbi->gc_urgent_high_remaining)
- sbi->gc_mode = GC_NORMAL;
+ gc_normal_mode = true;
}
spin_unlock(&sbi->gc_urgent_high_lock);
}
@@ -162,6 +163,10 @@ static int gc_thread_func(void *data)
/* balancing f2fs's metadata periodically */
f2fs_balance_fs_bg(sbi, true);
next:
+ if (gc_normal_mode) {
+ sbi->gc_mode = GC_NORMAL;
+ gc_normal_mode = false;
+ }
sb_end_write(sbi->sb);

} while (!kthread_should_stop());
--
2.25.1
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