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| author | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2014-03-19 10:43:59 +0900 |
|---|---|---|
| committer | Ziyan <jaraidaniel@gmail.com> | 2015-05-02 14:36:36 +0200 |
| commit | d2ea08037559388fa7c3fd6d00674e839e479bdd (patch) | |
| tree | fc6fcc36cdd31412c66c2b37aaf54151637b2c9a /fs | |
| parent | 8a58b4c6213abdbd0192e018da06b7ca76af7e8e (diff) | |
| download | kernel_samsung_tuna-d2ea08037559388fa7c3fd6d00674e839e479bdd.zip kernel_samsung_tuna-d2ea08037559388fa7c3fd6d00674e839e479bdd.tar.gz kernel_samsung_tuna-d2ea08037559388fa7c3fd6d00674e839e479bdd.tar.bz2 | |
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')
| -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 2bcbcf8..ecfedf8 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); |