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@xxxxxxxxxxx> --- 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 707fd20..04450a5 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); -- 1.8.4.474.g128a96c -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html