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authorHaicheng Li <haicheng.li@linux.intel.com>2013-04-28 19:16:06 +0800
committerJaegeuk Kim <jaegeuk.kim@samsung.com>2013-04-30 12:07:32 +0900
commit6cac3759ce118a87103ce4342e6de98215d01787 (patch)
treeea597bcaf02e80a3b09d5e4a46c8d812c211d890 /fs/f2fs
parentafcb7ca01f47b0481e0b248d1542d0934fa70767 (diff)
f2fs: fix inconsistent using of NM_WOUT_THRESHOLD
try_to_free_nats() is usually called with parameter nr_shrink as "nm_i->nat_cnt - NM_WOUT_THRESHOLD" by flush_nat_entries() during checkpointing process. However, this is inconsistent with the actual threshold check as "if (nm_i->nat_cnt < 2 * NM_WOUT_THRESHOLD)" , which will ignore the free_nats requests when NM_WOUT_THRESHOLD < nm_i->nat_cnt < 2 * NM_WOUT_THRESHOLD So fix the threshold check condition. Signed-off-by: Haicheng Li <haicheng.li@linux.intel.com> Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/node.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 6ff017245522..f14eb7b8b2c4 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -244,7 +244,7 @@ static int try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink)
{
struct f2fs_nm_info *nm_i = NM_I(sbi);
- if (nm_i->nat_cnt < 2 * NM_WOUT_THRESHOLD)
+ if (nm_i->nat_cnt <= NM_WOUT_THRESHOLD)
return 0;
write_lock(&nm_i->nat_tree_lock);