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authorChao Yu2017-09-25 14:17:51 +0800
committerJaegeuk Kim2017-10-10 12:49:52 -0700
commitc1fe3e9814401f864817828aa57d5e862cb7460d (patch)
tree8679d5ec2f5ab4cd9b44c6dcd5f44f9944727609
parent91f4382b50ee9954f5dad459803200ca2a8bd6fb (diff)
Revert "f2fs: reuse nids more aggressively"
Commit 268344664603 ("f2fs: reuse nids more aggressively") tries to reuse nids as many as possilbe, in order to mitigate producing obsolete node pages in page cache. But acutally, before we reuse the nids and related node page cache, we will always invalidate that node page, so there will be not any obsolete node pages in cache. Let's just revert previous commit, so that nm_i::next_scan_nid can be increased ascendingly, making __build_free_nids traverses all NAT pages more easily, finally, free nid bitmap cache can be enabled as soon as possible. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
-rw-r--r--fs/f2fs/node.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index fca87835a1da..33dd47f7136a 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -327,10 +327,6 @@ static void set_node_addr(struct f2fs_sb_info *sbi, struct node_info *ni,
if (nat_get_blkaddr(e) != NEW_ADDR && new_blkaddr == NULL_ADDR) {
unsigned char version = nat_get_version(e);
nat_set_version(e, inc_node_version(version));
-
- /* in order to reuse the nid */
- if (nm_i->next_scan_nid > ni->nid)
- nm_i->next_scan_nid = ni->nid;
}
/* change address */