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mtd: Add flag to indicate panic_write

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Added a flag to indicate a panic_write so that low level drivers can
use it to take required action where applicable, to ensure oops data
gets written to assigned mtd device.

Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
This commit is contained in:
Kamal Dasu 2019-05-16 12:41:46 -04:00 • committed by Miquel Raynal
parent 33535b8547
commit 9f897bfdd8
2 changed files with 9 additions and 0 deletions
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6
include/linux/mtd/mtd.h
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@ -316,6 +316,12 @@ struct mtd_info {
int (*_get_device) (struct mtd_info *mtd);
void (*_put_device) (struct mtd_info *mtd);
/*
* flag indicates a panic write, low level drivers can take appropriate
* action if required to ensure writes go through
*/
bool oops_panic_write;
struct notifier_block reboot_notifier; /* default mode before reboot */
/* ECC status information */