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md: rename ->stop to ->free

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Now that the ->stop function only frees the private data,
rename is accordingly.

Also pass in the private pointer as an arg rather than using
mddev->private.  This flexibility will be useful in level_store().

Finally, don't clear ->private.  It doesn't make sense to clear
it seeing that isn't what we free, and it is no longer necessary
to clear ->private (it was some time ago before  ->to_remove was
introduced).

Setting ->to_remove in ->free() is a bit of a wart, but not a
big problem at the moment.

Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
NeilBrown
2014-12-15 12:56:58 +11:00
parent 5aa61f427e
commit afa0f557cb
9 changed files with 35 additions and 50 deletions
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12
drivers/md/raid0.c
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@@ -415,7 +415,7 @@ static sector_t raid0_size(struct mddev *mddev, sector_t sectors, int raid_disks
return array_sectors;
}
static int raid0_stop(struct mddev *mddev);
static void raid0_free(struct mddev *mddev, void *priv);
static int raid0_run(struct mddev *mddev)
{
@@ -468,20 +468,18 @@ static int raid0_run(struct mddev *mddev)
ret = md_integrity_register(mddev);
if (ret)
raid0_stop(mddev);
raid0_free(mddev, conf);
return ret;
}
static int raid0_stop(struct mddev *mddev)
static void raid0_free(struct mddev *mddev, void *priv)
{
struct r0conf *conf = mddev->private;
struct r0conf *conf = priv;
kfree(conf->strip_zone);
kfree(conf->devlist);
kfree(conf);
mddev->private = NULL;
return 0;
}
/*
@@ -715,7 +713,7 @@ static struct md_personality raid0_personality=
.owner = THIS_MODULE,
.make_request = raid0_make_request,
.run = raid0_run,
.stop = raid0_stop,
.free = raid0_free,
.status = raid0_status,
.size = raid0_size,
.takeover = raid0_takeover,