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Message-Id: <1367585003-24241-2-git-send-email-haicheng.li@linux.intel.com> Date: Fri, 3 May 2013 20:43:23 +0800 From: Haicheng Li <haicheng.li@...ux.intel.com> To: linux-fsdevel@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net, Jaegeuk Kim <jaegeuk.kim@...sung.com> Cc: linux-kernel@...r.kernel.org, Haicheng Li <haicheng.lee@...il.com>, Haicheng Li <haicheng.li@...ux.intel.com> Subject: [PATCH 2/2] f2fs: optimize build_free_nids() When nm_i->fcnt > 2 * MAX_FREE_NIDS, stop scanning other NAT pages. Signed-off-by: Haicheng Li <haicheng.li@...ux.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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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