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raid5-ppl: use swap() to make code cleaner

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Use the macro `swap()` defined in `include/linux/minmax.h` to avoid
opencoding it.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Yang Guang <yang.guang5@zte.com.cn>
Signed-off-by: Song Liu <songliubraving@fb.com>
This commit is contained in:
Yang Guang 2021-10-28 08:48:05 +00:00 committed by Song Liu
parent 8c13ab115b
commit 1e37799b50
1 changed files with 2 additions and 4 deletions
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6
drivers/md/raid5-ppl.c
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@ -1081,7 +1081,7 @@ static int ppl_load_distributed(struct ppl_log *log)
struct ppl_conf *ppl_conf = log->ppl_conf;
struct md_rdev *rdev = log->rdev;
struct mddev *mddev = rdev->mddev;
struct page *page, *page2, *tmp;
struct page *page, *page2;
struct ppl_header *pplhdr = NULL, *prev_pplhdr = NULL;
u32 crc, crc_stored;
u32 signature;
@ -1156,9 +1156,7 @@ static int ppl_load_distributed(struct ppl_log *log)
prev_pplhdr_offset = pplhdr_offset;
prev_pplhdr = pplhdr;
tmp = page;
page = page2;
page2 = tmp;
swap(page, page2);
/* calculate next potential ppl offset */
for (i = 0; i < le32_to_cpu(pplhdr->entries_count); i++)