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f2fs: code cleanup for scan_nat_page() and build_free_nids()

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This patch does two cleanups:
1. remove unused variable "fcnt" in build_free_nids().
2. make scan_nat_page() as void type and remove useless variable "fcnt".

Signed-off-by: Haicheng Li <haicheng.li@linux.intel.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This commit is contained in:
Haicheng Li 2013-05-06 23:15:42 +08:00 committed by Jaegeuk Kim
parent 95630cbadc
commit 8760952d92
1 changed files with 4 additions and 6 deletions
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10
fs/f2fs/node.c
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@ -1292,12 +1292,11 @@ static void remove_free_nid(struct f2fs_nm_info *nm_i, nid_t nid)
spin_unlock(&nm_i->free_nid_list_lock);
}
static int scan_nat_page(struct f2fs_nm_info *nm_i,
static void scan_nat_page(struct f2fs_nm_info *nm_i,
struct page *nat_page, nid_t start_nid)
{
struct f2fs_nat_block *nat_blk = page_address(nat_page);
block_t blk_addr;
int fcnt = 0;
int i;
i = start_nid % NAT_ENTRY_PER_BLOCK;
@ -1308,9 +1307,8 @@ static int scan_nat_page(struct f2fs_nm_info *nm_i,
blk_addr = le32_to_cpu(nat_blk->entries[i].block_addr);
BUG_ON(blk_addr == NEW_ADDR);
if (blk_addr == NULL_ADDR)
fcnt += add_free_nid(nm_i, start_nid);
add_free_nid(nm_i, start_nid);
}
return fcnt;
}
static void build_free_nids(struct f2fs_sb_info *sbi)
@ -1319,7 +1317,7 @@ static void build_free_nids(struct f2fs_sb_info *sbi)
struct f2fs_nm_info *nm_i = NM_I(sbi);
struct curseg_info *curseg = CURSEG_I(sbi, CURSEG_HOT_DATA);
struct f2fs_summary_block *sum = curseg->sum_blk;
int fcnt = 0, i = 0;
int i = 0;
nid_t nid = nm_i->next_scan_nid;
/* Enough entries */
@ -1332,7 +1330,7 @@ static void build_free_nids(struct f2fs_sb_info *sbi)
while (1) {
struct page *page = get_current_nat_page(sbi, nid);
fcnt += scan_nat_page(nm_i, page, nid);
scan_nat_page(nm_i, page, nid);
f2fs_put_page(page, 1);
nid += (NAT_ENTRY_PER_BLOCK - (nid % NAT_ENTRY_PER_BLOCK));