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Commit f0cdbfe6 authored by Kinglong Mee's avatar Kinglong Mee Committed by Jaegeuk Kim
Browse files

f2fs: use MAX_FREE_NIDS for the free nids target 



F2FS has define MAX_FREE_NIDS for maximum of cached free nids target.

Signed-off-by: default avatarKinglong Mee <kinglongmee@gmail.com>
Reviewed-by: default avatarChao Yu <yuchao0@huawei.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent 4ac91242

fs/f2fs/node.c

+3 −5
Original line number Diff line number Diff line
@@ -1871,7 +1871,6 @@ static void scan_free_nid_bits(struct f2fs_sb_info *sbi) 
	struct curseg_info *curseg = CURSEG_I(sbi, CURSEG_HOT_DATA);

	struct f2fs_journal *journal = curseg->journal;

	unsigned int i, idx;

	unsigned int target = FREE_NID_PAGES * NAT_ENTRY_PER_BLOCK;



	down_read(&nm_i->nat_tree_lock);
@@ -1887,7 +1886,7 @@ static void scan_free_nid_bits(struct f2fs_sb_info *sbi) 
			nid = i * NAT_ENTRY_PER_BLOCK + idx;

			add_free_nid(sbi, nid, true);



			if (nm_i->nid_cnt[FREE_NID_LIST] >= target)

			if (nm_i->nid_cnt[FREE_NID_LIST] >= MAX_FREE_NIDS)

				goto out;

		}

	}
@@ -1913,7 +1912,6 @@ static int scan_nat_bits(struct f2fs_sb_info *sbi) 
	struct f2fs_nm_info *nm_i = NM_I(sbi);

	struct page *page;

	unsigned int i = 0;

	nid_t target = FREE_NID_PAGES * NAT_ENTRY_PER_BLOCK;

	nid_t nid;



	if (!enabled_nat_bits(sbi, NULL))
@@ -1934,7 +1932,7 @@ static int scan_nat_bits(struct f2fs_sb_info *sbi) 
		add_free_nid(sbi, nid, true);

	}



	if (nm_i->nid_cnt[FREE_NID_LIST] >= target)

	if (nm_i->nid_cnt[FREE_NID_LIST] >= MAX_FREE_NIDS)

		goto out;

	i++;

	goto check_empty;
@@ -1952,7 +1950,7 @@ static int scan_nat_bits(struct f2fs_sb_info *sbi) 
	scan_nat_page(sbi, page, nid);

	f2fs_put_page(page, 1);



	if (nm_i->nid_cnt[FREE_NID_LIST] < target) {

	if (nm_i->nid_cnt[FREE_NID_LIST] < MAX_FREE_NIDS) {

		i++;

		goto check_partial;

	}