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f2fs: drop useless initializer and unneeded local variable

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No need to initialize idx twice. BTW, remove the unnecessary cnt variable.

Signed-off-by: Yangtao Li <frank.li@vivo.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Yangtao Li 2022-12-22 16:18:55 +08:00 committed by Jaegeuk Kim
parent 193a639fed
commit c5f9db2548
1 changed files with 4 additions and 6 deletions
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10
fs/f2fs/iostat.c
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@ -87,8 +87,7 @@ int __maybe_unused iostat_info_seq_show(struct seq_file *seq, void *offset)
static inline void __record_iostat_latency(struct f2fs_sb_info *sbi)
{
int io, idx = 0;
unsigned int cnt;
int io, idx;
struct f2fs_iostat_latency iostat_lat[MAX_IO_TYPE][NR_PAGE_TYPE];
struct iostat_lat_info *io_lat = sbi->iostat_io_lat;
unsigned long flags;
@ -96,12 +95,11 @@ static inline void __record_iostat_latency(struct f2fs_sb_info *sbi)
spin_lock_irqsave(&sbi->iostat_lat_lock, flags);
for (idx = 0; idx < MAX_IO_TYPE; idx++) {
for (io = 0; io < NR_PAGE_TYPE; io++) {
cnt = io_lat->bio_cnt[idx][io];
iostat_lat[idx][io].peak_lat =
jiffies_to_msecs(io_lat->peak_lat[idx][io]);
iostat_lat[idx][io].cnt = cnt;
iostat_lat[idx][io].avg_lat = cnt ?
jiffies_to_msecs(io_lat->sum_lat[idx][io]) / cnt : 0;
iostat_lat[idx][io].cnt = io_lat->bio_cnt[idx][io];
iostat_lat[idx][io].avg_lat = iostat_lat[idx][io].cnt ?
jiffies_to_msecs(io_lat->sum_lat[idx][io]) / iostat_lat[idx][io].cnt : 0;
io_lat->sum_lat[idx][io] = 0;
io_lat->peak_lat[idx][io] = 0;
io_lat->bio_cnt[idx][io] = 0;