From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gu Zheng Subject: [PATCH 1/7] f2fs: put the bio when issue_flush completed Date: Fri, 11 Apr 2014 17:49:35 +0800 Message-ID: <5347BAAF.9030004@cn.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Return-path: Sender: linux-kernel-owner@vger.kernel.org To: Kim Cc: f2fs , fsdevel , linux-kernel List-Id: linux-f2fs-devel.lists.sourceforge.net 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: [] kmemleak_alloc+0x72/0x96 [] slab_post_alloc_hook+0x28/0x2a [] kmem_cache_alloc+0xec/0x157 [] mempool_alloc_slab+0x15/0x17 [] mempool_alloc+0x71/0x138 [] bio_alloc_bioset+0x93/0x18c [] issue_flush_thread+0x8d/0x145 [f2fs] [] kthread+0xba/0xc2 [] ret_from_fork+0x7c/0xb0 [] 0xffffffffffffffff Signed-off-by: Gu Zheng --- 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