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| author | Goldwyn Rodrigues <rgoldwyn@suse.de> | 2015-04-14 10:43:55 -0500 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2015-04-22 07:59:39 +1000 |
| commit | 57d051dccaef395e0d8c0fff02cfc3a77bacc88c (patch) | |
| tree | 250d78ba0fad52865ad28f54de4dd21e810cb14f /drivers/md | |
| parent | fb56dfef4e31f214cfbfa0eb8a1949591c20b118 (diff) | |
| download | linux-57d051dccaef395e0d8c0fff02cfc3a77bacc88c.tar.gz linux-57d051dccaef395e0d8c0fff02cfc3a77bacc88c.tar.bz2 linux-57d051dccaef395e0d8c0fff02cfc3a77bacc88c.zip | |
md: Export and rename find_rdev_nr_rcu
This is required by the clustering module (patches to follow) to
find the device to remove or re-add.
Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/md.c | 9 | ||||
| -rw-r--r-- | drivers/md/md.h | 1 |
2 files changed, 6 insertions, 4 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index bc1e43014292..d406a79f9140 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -642,7 +642,7 @@ void mddev_unlock(struct mddev *mddev) } EXPORT_SYMBOL_GPL(mddev_unlock); -static struct md_rdev *find_rdev_nr_rcu(struct mddev *mddev, int nr) +struct md_rdev *md_find_rdev_nr_rcu(struct mddev *mddev, int nr) { struct md_rdev *rdev; @@ -652,6 +652,7 @@ static struct md_rdev *find_rdev_nr_rcu(struct mddev *mddev, int nr) return NULL; } +EXPORT_SYMBOL_GPL(md_find_rdev_nr_rcu); static struct md_rdev *find_rdev(struct mddev *mddev, dev_t dev) { @@ -2049,11 +2050,11 @@ static int bind_rdev_to_array(struct md_rdev *rdev, struct mddev *mddev) int choice = 0; if (mddev->pers) choice = mddev->raid_disks; - while (find_rdev_nr_rcu(mddev, choice)) + while (md_find_rdev_nr_rcu(mddev, choice)) choice++; rdev->desc_nr = choice; } else { - if (find_rdev_nr_rcu(mddev, rdev->desc_nr)) { + if (md_find_rdev_nr_rcu(mddev, rdev->desc_nr)) { rcu_read_unlock(); return -EBUSY; } @@ -5721,7 +5722,7 @@ static int get_disk_info(struct mddev *mddev, void __user * arg) return -EFAULT; rcu_read_lock(); - rdev = find_rdev_nr_rcu(mddev, info.number); + rdev = md_find_rdev_nr_rcu(mddev, info.number); if (rdev) { info.major = MAJOR(rdev->bdev->bd_dev); info.minor = MINOR(rdev->bdev->bd_dev); diff --git a/drivers/md/md.h b/drivers/md/md.h index d98c0d764d8f..ecdce36ec6b8 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -672,6 +672,7 @@ extern void md_unplug(struct blk_plug_cb *cb, bool from_schedule); extern void md_reload_sb(struct mddev *mddev); extern void md_update_sb(struct mddev *mddev, int force); extern void md_kick_rdev_from_array(struct md_rdev * rdev); +struct md_rdev *md_find_rdev_nr_rcu(struct mddev *mddev, int nr); static inline int mddev_check_plugged(struct mddev *mddev) { return !!blk_check_plugged(md_unplug, mddev, |