From: Jiri Kosina <jkosina@xxxxxxx>
cleaner_kthread() kthread calls try_to_freeze() at the beginning of every
cleanup attempt. This operation can't ever succeed though, as the kthread
hasn't marked itself as freezable.
Before (hopefully eventually) kthread freezing gets converted to fileystem
freezing, we'd rather mark cleaner_kthread() freezable (as my
understanding is that it can generate filesystem I/O during suspend).
Signed-off-by: Jiri Kosina <jkosina@xxxxxxx>
---
fs/btrfs/disk-io.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 295795a..173970d 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1759,6 +1759,7 @@ static int cleaner_kthread(void *arg)
int again;
struct btrfs_trans_handle *trans;
+ set_freezable();
do {
again = 0;
--
Jiri Kosina
SUSE Labs
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