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block/sed-opal: Introduce free_opal_dev to free the structure and clean up state

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Before we free the opal structure we need to clean up any saved
locking ranges that the user had told us to unlock from a suspend.

Signed-off-by: Scott Bauer <scott.bauer@intel.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Scott Bauer 2017-02-22 10:15:06 -07:00 • committed by Jens Axboe
parent 124298bd03
commit 7d6d15789d
2 changed files with 35 additions and 0 deletions
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5
include/linux/sed-opal.h
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@ -27,6 +27,7 @@ typedef int (sec_send_recv)(void *data, u16 spsp, u8 secp, void *buffer,
size_t len, bool send);
#ifdef CONFIG_BLK_SED_OPAL
void free_opal_dev(struct opal_dev *dev);
bool opal_unlock_from_suspend(struct opal_dev *dev);
struct opal_dev *init_opal_dev(void *data, sec_send_recv *send_recv);
int sed_ioctl(struct opal_dev *dev, unsigned int cmd, void __user *ioctl_ptr);
@ -51,6 +52,10 @@ static inline bool is_sed_ioctl(unsigned int cmd)
return false;
}
#else
static inline void free_opal_dev(struct opal_dev *dev)
{
}
static inline bool is_sed_ioctl(unsigned int cmd)
{
return false;