Commit 9198aceb authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: check nid == 0 in add_free_nid 



It is more obvious that add_free_nid checks whether the free nid is zero or not.

Reviewed-by: default avatarNamjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk.kim@samsung.com>
parent 8680441c

fs/f2fs/node.c

+4 −4
Original line number Diff line number Diff line
@@ -1245,6 +1245,10 @@ static int add_free_nid(struct f2fs_nm_info *nm_i, nid_t nid) 


	if (nm_i->fcnt > 2 * MAX_FREE_NIDS)

		return 0;



	/* 0 nid should not be used */

	if (nid == 0)

		return 0;

retry:

	i = kmem_cache_alloc(free_nid_slab, GFP_NOFS);

	if (!i) {
@@ -1286,10 +1290,6 @@ static int scan_nat_page(struct f2fs_nm_info *nm_i, 
	int fcnt = 0;

	int i;



	/* 0 nid should not be used */

	if (start_nid == 0)

		++start_nid;



	i = start_nid % NAT_ENTRY_PER_BLOCK;



	for (; i < NAT_ENTRY_PER_BLOCK; i++, start_nid++) {