We've changed the discard command handling into parallel manner. But, in this change, I forgot decreasing the usage count of the bio which was used to send discard request. I'm sorry about that. Signed-off-by: Daeho Jeong <daeho.jeong@xxxxxxxxxxx> Fixes: a015434480dc ("ext4: send parallel discards on commit completions") --- fs/ext4/mballoc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index ab70b69e644c..88317b0cf7b8 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -2892,8 +2892,10 @@ void ext4_process_freed_data(struct super_block *sb, tid_t commit_tid) break; } - if (discard_bio) + if (discard_bio) { submit_bio_wait(discard_bio); + bio_put(discard_bio); + } } list_for_each_entry_safe(entry, tmp, &freed_data_list, efd_list) -- 2.13.0