Revert "f2fs: do not skip dentry block writes"
The periodic checkpoint can resolve the previous issue.
So, now we can use this again to improve the reported performance regression:
https://lkml.org/lkml/2015/10/8/20
This reverts commit 15bec0ff5a9ba6d203178fa8772259df6207942a.
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 1fe49ca..4d9bedf 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -52,6 +52,11 @@
mem_size = (nm_i->nat_cnt * sizeof(struct nat_entry)) >>
PAGE_CACHE_SHIFT;
res = mem_size < ((avail_ram * nm_i->ram_thresh / 100) >> 2);
+ } else if (type == DIRTY_DENTS) {
+ if (sbi->sb->s_bdi->wb.dirty_exceeded)
+ return false;
+ mem_size = get_pages(sbi, F2FS_DIRTY_DENTS);
+ res = mem_size < ((avail_ram * nm_i->ram_thresh / 100) >> 1);
} else if (type == INO_ENTRIES) {
int i;