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f2fs: clean up unused variables and return values 

This patch cleans up a couple of unnecessary codes related to unused variables
and return values.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This commit is contained in:
Jaegeuk Kim 2012-12-26 14:39:50 +09:00
parent ce19a5d432
commit 2b50638dec
3 changed files with 5 additions and 17 deletions
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12
fs/f2fs/gc.c
View File

@ -390,9 +390,7 @@ next_step:
}
err = check_valid_map(sbi, segno, off);
if (err == GC_ERROR)
return err;
else if (err == GC_NEXT)
if (err == GC_NEXT)
continue;
if (initial) {
@ -550,9 +548,7 @@ next_step:
}
err = check_valid_map(sbi, segno, off);
if (err == GC_ERROR)
goto stop;
else if (err == GC_NEXT)
if (err == GC_NEXT)
continue;
if (phase == 0) {
@ -562,9 +558,7 @@ next_step:
/* Get an inode by ino with checking validity */
err = check_dnode(sbi, entry, &dni, start_addr + off, &nofs);
if (err == GC_ERROR)
goto stop;
else if (err == GC_NEXT)
if (err == GC_NEXT)
continue;
if (phase == 1) {

4
fs/f2fs/hash.c
View File

@ -71,7 +71,7 @@ static void str2hashbuf(const char *msg, int len, unsigned int *buf, int num)
f2fs_hash_t f2fs_dentry_hash(const char *name, int len)
{
__u32 hash, minor_hash;
__u32 hash;
f2fs_hash_t f2fs_hash;
const char *p;
__u32 in[8], buf[4];
@ -94,8 +94,6 @@ f2fs_hash_t f2fs_dentry_hash(const char *name, int len)
p += 16;
}
hash = buf[0];
minor_hash = buf[1];
f2fs_hash = cpu_to_le32(hash & ~F2FS_HASH_COL_BIT);
return f2fs_hash;
}

6
fs/f2fs/node.c
View File

@ -1088,7 +1088,6 @@ static int f2fs_write_node_page(struct page *page,
{
struct f2fs_sb_info *sbi = F2FS_SB(page->mapping->host->i_sb);
nid_t nid;
unsigned int nofs;
block_t new_addr;
struct node_info ni;
@ -1105,7 +1104,6 @@ static int f2fs_write_node_page(struct page *page,
/* get old block addr of this node page */
nid = nid_of_node(page);
nofs = ofs_of_node(page);
BUG_ON(page->index != nid);
get_node_info(sbi, nid, &ni);
@ -1566,7 +1564,7 @@ void flush_nat_entries(struct f2fs_sb_info *sbi)
nid_t nid;
struct f2fs_nat_entry raw_ne;
int offset = -1;
block_t old_blkaddr, new_blkaddr;
block_t new_blkaddr;
ne = list_entry(cur, struct nat_entry, list);
nid = nat_get_nid(ne);
@ -1580,7 +1578,6 @@ void flush_nat_entries(struct f2fs_sb_info *sbi)
offset = lookup_journal_in_cursum(sum, NAT_JOURNAL, nid, 1);
if (offset >= 0) {
raw_ne = nat_in_journal(sum, offset);
old_blkaddr = le32_to_cpu(raw_ne.block_addr);
goto flush_now;
}
to_nat_page:
@ -1602,7 +1599,6 @@ to_nat_page:
BUG_ON(!nat_blk);
raw_ne = nat_blk->entries[nid - start_nid];
old_blkaddr = le32_to_cpu(raw_ne.block_addr);
flush_now:
new_blkaddr = nat_get_blkaddr(ne);