diff options
author | NeilBrown <neilb@suse.de> | 2010-04-01 15:55:30 +1100 |
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committer | NeilBrown <neilb@suse.de> | 2010-05-18 15:27:55 +1000 |
commit | fafd7fb052182e087b5a3c6c408e4ac8c2b5fa14 (patch) | |
tree | 0071eab25a38b69a792fb25c3efffbd98609fc18 /drivers/md/md.c | |
parent | 21a52c6d05c15f862797736393915bfa8cd40ee9 (diff) | |
download | kernel_samsung_smdk4412-fafd7fb052182e087b5a3c6c408e4ac8c2b5fa14.zip kernel_samsung_smdk4412-fafd7fb052182e087b5a3c6c408e4ac8c2b5fa14.tar.gz kernel_samsung_smdk4412-fafd7fb052182e087b5a3c6c408e4ac8c2b5fa14.tar.bz2 |
md: factor out init code for an mddev
This is a simple factorisation that makes mddev_find easier to read.
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md/md.c')
-rw-r--r-- | drivers/md/md.c | 39 |
1 files changed, 22 insertions, 17 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index 2e05b0c..d3579fc 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -416,6 +416,27 @@ static void mddev_put(mddev_t *mddev) spin_unlock(&all_mddevs_lock); } +static void mddev_init(mddev_t *mddev) +{ + mutex_init(&mddev->open_mutex); + mutex_init(&mddev->reconfig_mutex); + mutex_init(&mddev->bitmap_info.mutex); + INIT_LIST_HEAD(&mddev->disks); + INIT_LIST_HEAD(&mddev->all_mddevs); + init_timer(&mddev->safemode_timer); + atomic_set(&mddev->active, 1); + atomic_set(&mddev->openers, 0); + atomic_set(&mddev->active_io, 0); + spin_lock_init(&mddev->write_lock); + atomic_set(&mddev->flush_pending, 0); + init_waitqueue_head(&mddev->sb_wait); + init_waitqueue_head(&mddev->recovery_wait); + mddev->reshape_position = MaxSector; + mddev->resync_min = 0; + mddev->resync_max = MaxSector; + mddev->level = LEVEL_NONE; +} + static mddev_t * mddev_find(dev_t unit) { mddev_t *mddev, *new = NULL; @@ -482,23 +503,7 @@ static mddev_t * mddev_find(dev_t unit) else new->md_minor = MINOR(unit) >> MdpMinorShift; - mutex_init(&new->open_mutex); - mutex_init(&new->reconfig_mutex); - mutex_init(&new->bitmap_info.mutex); - INIT_LIST_HEAD(&new->disks); - INIT_LIST_HEAD(&new->all_mddevs); - init_timer(&new->safemode_timer); - atomic_set(&new->active, 1); - atomic_set(&new->openers, 0); - atomic_set(&new->active_io, 0); - spin_lock_init(&new->write_lock); - atomic_set(&new->flush_pending, 0); - init_waitqueue_head(&new->sb_wait); - init_waitqueue_head(&new->recovery_wait); - new->reshape_position = MaxSector; - new->resync_min = 0; - new->resync_max = MaxSector; - new->level = LEVEL_NONE; + mddev_init(new); goto retry; } |