Put the bio when the flush cmd issued, it also can fix the following
kmemleak:
unreferenced object 0xffff8800270c73c0 (size 200):
comm "f2fs_flush-7:0", pid 27161, jiffies 4312127988 (age 988.503s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 40 07 81 19 01 88 ff ff ........@.......
01 00 00 00 00 00 00 f0 11 14 00 00 00 00 00 00 ................
backtrace:
[<ffffffff81559866>] kmemleak_alloc+0x72/0x96
[<ffffffff81156f7e>] slab_post_alloc_hook+0x28/0x2a
[<ffffffff811595b1>] kmem_cache_alloc+0xec/0x157
[<ffffffff8111924d>] mempool_alloc_slab+0x15/0x17
[<ffffffff81119513>] mempool_alloc+0x71/0x138
[<ffffffff81193548>] bio_alloc_bioset+0x93/0x18c
[<ffffffffa040f857>] issue_flush_thread+0x8d/0x145 [f2fs]
[<ffffffff8107ac16>] kthread+0xba/0xc2
[<ffffffff81571b2c>] ret_from_fork+0x7c/0xb0
[<ffffffffffffffff>] 0xffffffffffffffff
Signed-off-by: Gu Zheng <guz.fnst@xxxxxxxxxxxxxx>
---
fs/f2fs/segment.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 085f548..524b7ed 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -226,6 +226,7 @@ repeat:
next = cmd->next;
complete(&cmd->wait);
}
+ bio_put(bio);
sm_i->dispatch_list = NULL;
}
--
1.7.7
--
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