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lightnvm: allow to init targets on factory mode

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Target initialization has two responsibilities: creating the target
partition and instantiating the target. This patch enables to create a
factory partition (e.g., do not trigger recovery on the given target).
This is useful for target development and for being able to restore the
device state at any moment in time without requiring a full-device
erase.

Signed-off-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <matias@cnexlabs.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Javier González 2017-04-15 20:55:45 +02:00 • committed by Jens Axboe
parent e85292feb9
commit 4af3f75d79
4 changed files with 19 additions and 5 deletions
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4
include/uapi/linux/lightnvm.h
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@ -85,6 +85,10 @@ struct nvm_ioctl_create_conf {
};
};
enum {
NVM_TARGET_FACTORY = 1 << 0, /* Init target in factory mode */
};
struct nvm_ioctl_create {
char dev[DISK_NAME_LEN]; /* open-channel SSD device */
char tgttype[NVM_TTYPE_NAME_MAX]; /* target type name */