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| author | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2014-03-19 10:43:59 +0900 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2014-03-20 22:10:08 +0900 |
| commit | 40bb0058c871c6ddcd4aff9fe2f5224e59aba47b (patch) | |
| tree | e77b844ff325c799afc0760bc0d4d23b788ecb10 /fs/f2fs/node.c | |
| parent | 3cb5ad152b54430f3e5f338c15f8cd434e7160c8 (diff) | |
| download | lwn-40bb0058c871c6ddcd4aff9fe2f5224e59aba47b.tar.gz lwn-40bb0058c871c6ddcd4aff9fe2f5224e59aba47b.zip | |
f2fs: avoid to drop nat entries due to the negative nr_shrink
The try_to_free_nats should not receive the negative nr_shrink.
Otherwise, it can drop all the nat entries by the while loop.
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'fs/f2fs/node.c')
| -rw-r--r-- | fs/f2fs/node.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 9a6d8bbf0bd7..d27e65a1fb0b 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -208,7 +208,7 @@ 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 <= NM_WOUT_THRESHOLD) + if (nm_i->nat_cnt <= NM_WOUT_THRESHOLD || nr_shrink <= 0) return 0; write_lock(&nm_i->nat_tree_lock); |