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Commit 26834466 authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: reuse nids more aggressively 



If we can reuse nids as many as possible, we can mitigate producing obsolete
node pages in the page cache.

Reviewed-by: default avatarChao Yu <chao2.yu@samsung.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent 26d58599

fs/f2fs/node.c

+4 −0
Original line number Diff line number Diff line
@@ -306,6 +306,10 @@ 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 */