From: Haicheng Li <haicheng.li@linux.intel.com>
To: linux-fsdevel@vger.kernel.org,
linux-f2fs-devel@lists.sourceforge.net,
Jaegeuk Kim <jaegeuk.kim@samsung.com>
Cc: linux-kernel@vger.kernel.org,
Haicheng Li <haicheng.lee@gmail.com>,
Haicheng Li <haicheng.li@linux.intel.com>
Subject: [PATCH 2/2] f2fs: optimize build_free_nids()
Date: Fri, 3 May 2013 20:43:23 +0800 [thread overview]
Message-ID: <1367585003-24241-2-git-send-email-haicheng.li@linux.intel.com> (raw)
In-Reply-To: <1367585003-24241-1-git-send-email-haicheng.li@linux.intel.com>
When nm_i->fcnt > 2 * MAX_FREE_NIDS, stop scanning other NAT pages.
Signed-off-by: Haicheng Li <haicheng.li@linux.intel.com>
---
fs/f2fs/node.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 6276467..31d038f 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1307,7 +1307,7 @@ static void build_free_nids(struct f2fs_sb_info *sbi)
nid = 0;
is_cycled = true;
}
- if (fcnt > MAX_FREE_NIDS)
+ if (fcnt > MAX_FREE_NIDS || nm_i->fcnt > 2 * MAX_FREE_NIDS)
break;
if (is_cycled && nm_i->init_scan_nid <= nid)
break;
--
1.7.9.5
prev parent reply other threads:[~2013-05-03 12:43 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-03 12:43 [PATCH 1/2] f2fs: optimize scan_nat_page() Haicheng Li
2013-05-03 12:43 ` Haicheng Li [this message]
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