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md/raid5-cache: no recovery is required when create super-block 

When create the super-block information, We do not need to do this
recovery stage, only need to initialize some variables.

Signed-off-by: JackieLiu <liuyun01@kylinos.cn>
Reviewed-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Shaohua Li <shli@fb.com>
This commit is contained in:
JackieLiu 2016-12-08 08:47:39 +08:00 committed by Shaohua Li
parent e2342ca832
commit d30dfeb9be
1 changed files with 8 additions and 2 deletions
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10
drivers/md/raid5-cache.c
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@ -2492,7 +2492,7 @@ static int r5l_load_log(struct r5l_log *log)
sector_t cp = log->rdev->journal_tail; sector_t cp = log->rdev->journal_tail;
u32 stored_crc, expected_crc; u32 stored_crc, expected_crc;
bool create_super = false; bool create_super = false;
int ret; int ret = 0;
/* Make sure it's valid */ /* Make sure it's valid */
if (cp >= rdev->sectors || round_down(cp, BLOCK_SECTORS) != cp) if (cp >= rdev->sectors || round_down(cp, BLOCK_SECTORS) != cp)
@ -2545,7 +2545,13 @@ static int r5l_load_log(struct r5l_log *log)
__free_page(page); __free_page(page);
ret = r5l_recovery_log(log); if (create_super) {
log->log_start = r5l_ring_add(log, cp, BLOCK_SECTORS);
log->seq = log->last_cp_seq + 1;
log->next_checkpoint = cp;
} else
ret = r5l_recovery_log(log);
r5c_update_log_state(log); r5c_update_log_state(log);
return ret; return ret;
ioerr: ioerr: