static blk_status_t pmem_clear_poison(struct pmem_device *pmem,
phys_addr_t offset, unsigned int len)
{
struct device *dev = to_dev(pmem);
sector_t sector;
long cleared;
blk_status_t rc = BLK_STS_OK;
sector = (offset - pmem->data_offset) / 512;
cleared = nvdimm_clear_poison(dev, pmem->phys_addr + offset, len);
if (cleared < len)
rc = BLK_STS_IOERR;
if (cleared > 0 && cleared / 512) {
hwpoison_clear(pmem, pmem->phys_addr + offset, cleared);
cleared /= 512;
dev_dbg(dev, "%#llx clear %ld sector%s\n",
(unsigned long long) sector, cleared,
cleared > 1 ? "s" : "");
badblocks_clear(&pmem->bb, sector, cleared);
if (pmem->bb_state)
sysfs_notify_dirent(pmem->bb_state);
}
arch_invalidate_pmem(pmem->virt_addr + offset, len);
return rc;
}
void cosm_set_state(struct cosm_device *cdev, u8 state)
{
dev_dbg(&cdev->dev, "State %s -> %s\n",
cosm_state_string[cdev->state],
cosm_state_string[state]);
cdev->state = state;
sysfs_notify_dirent(cdev->state_sysfs);
}
void sysfs_notify(struct kobject *k, const char *dir, const char *attr)
{
struct sysfs_dirent *sd = k->sd;
mutex_lock(&sysfs_mutex);
if (sd && dir)
sd = sysfs_find_dirent(sd, dir);
if (sd && attr)
sd = sysfs_find_dirent(sd, attr);
if (sd)
sysfs_notify_dirent(sd);
mutex_unlock(&sysfs_mutex);
}
void sysfs_notify(struct kobject *k, const char *dir, const char *attr)
{
struct sysfs_dirent *sd = k->sd;
mutex_lock(&sysfs_mutex);
if (sd && dir)
/* Only directories are tagged, so no need to pass
* a tag explicitly.
*/
sd = sysfs_find_dirent(sd, NULL, dir);
if (sd && attr)
sd = sysfs_find_dirent(sd, NULL, attr);
if (sd)
sysfs_notify_dirent(sd);
mutex_unlock(&sysfs_mutex);
}
void vsync_notify_handler(void *arg)
{
struct mdp3_session_data *session = (struct mdp3_session_data *)arg;
session->vsync_time = ktime_get();
sysfs_notify_dirent(session->vsync_event_sd);
}
