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mmc: print an error on FLUSH timeout 

Up until now the FLUSH timeout error was not printed and there
was no way to know if the FLUSH completed successfully or not.
Printing the FLUSH failure will help to identify if FS corruption
happened due to this timeout.

Change-Id: I352423c84e2ca698284b90af5837ba96d03919bf
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Konstantin Dorfman <kdorfman@codeaurora.org>
This commit is contained in:
Konstantin Dorfman 2013-09-22 15:58:41 +03:00
parent 568a7d3d76
commit 2ef153af44
2 changed files with 5 additions and 2 deletions
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5
drivers/mmc/card/block.c
View File

@ -1406,8 +1406,11 @@ static int mmc_blk_issue_flush(struct mmc_queue *mq, struct request *req)
int ret = 0;
ret = mmc_flush_cache(card);
if (ret)
if (ret) {
pr_err("%s: %s: notify flush error to upper layers",
req->rq_disk->disk_name, __func__);
ret = -EIO;
}
blk_end_request_all(req, ret);

2
drivers/mmc/core/core.c
View File

@ -3496,7 +3496,7 @@ int mmc_flush_cache(struct mmc_card *card)
EXT_CSD_FLUSH_CACHE, 1,
MMC_FLUSH_REQ_TIMEOUT_MS);
if (err == -ETIMEDOUT) {
pr_debug("%s: cache flush timeout\n",
pr_err("%s: cache flush timeout\n",
mmc_hostname(card->host));
rc = mmc_interrupt_hpi(card);
if (rc)