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| author | NeilBrown <neilb@suse.de> | 2010-06-01 19:37:26 +1000 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2010-07-26 12:52:27 +1000 |
| commit | e8bb9a839a26f076379e9cb9f46a879d210156f1 (patch) | |
| tree | 4da184e861cc5fea4967089711dfdc4fbb175f43 /drivers/md | |
| parent | 676e42d896ab6967859fabbb06f4e11b9615cbcf (diff) | |
| download | linux-e8bb9a839a26f076379e9cb9f46a879d210156f1.tar.gz linux-e8bb9a839a26f076379e9cb9f46a879d210156f1.tar.bz2 linux-e8bb9a839a26f076379e9cb9f46a879d210156f1.zip | |
md: split out md_rdev_init
This functionality will be needed separately in a subsequent patch, so
split it into it's own exported function.
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/md.c | 34 | ||||
| -rw-r--r-- | drivers/md/md.h | 1 |
2 files changed, 20 insertions, 15 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index d636b0a40fac..3de623aceed0 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -2691,6 +2691,24 @@ static struct kobj_type rdev_ktype = { .default_attrs = rdev_default_attrs, }; +void md_rdev_init(mdk_rdev_t *rdev) +{ + rdev->desc_nr = -1; + rdev->saved_raid_disk = -1; + rdev->raid_disk = -1; + rdev->flags = 0; + rdev->data_offset = 0; + rdev->sb_events = 0; + rdev->last_read_error.tv_sec = 0; + rdev->last_read_error.tv_nsec = 0; + atomic_set(&rdev->nr_pending, 0); + atomic_set(&rdev->read_errors, 0); + atomic_set(&rdev->corrected_errors, 0); + + INIT_LIST_HEAD(&rdev->same_set); + init_waitqueue_head(&rdev->blocked_wait); +} +EXPORT_SYMBOL_GPL(md_rdev_init); /* * Import a device. If 'super_format' >= 0, then sanity check the superblock * @@ -2714,6 +2732,7 @@ static mdk_rdev_t *md_import_device(dev_t newdev, int super_format, int super_mi return ERR_PTR(-ENOMEM); } + md_rdev_init(rdev); if ((err = alloc_disk_sb(rdev))) goto abort_free; @@ -2723,18 +2742,6 @@ static mdk_rdev_t *md_import_device(dev_t newdev, int super_format, int super_mi kobject_init(&rdev->kobj, &rdev_ktype); - rdev->desc_nr = -1; - rdev->saved_raid_disk = -1; - rdev->raid_disk = -1; - rdev->flags = 0; - rdev->data_offset = 0; - rdev->sb_events = 0; - rdev->last_read_error.tv_sec = 0; - rdev->last_read_error.tv_nsec = 0; - atomic_set(&rdev->nr_pending, 0); - atomic_set(&rdev->read_errors, 0); - atomic_set(&rdev->corrected_errors, 0); - size = rdev->bdev->bd_inode->i_size >> BLOCK_SIZE_BITS; if (!size) { printk(KERN_WARNING @@ -2763,9 +2770,6 @@ static mdk_rdev_t *md_import_device(dev_t newdev, int super_format, int super_mi } } - INIT_LIST_HEAD(&rdev->same_set); - init_waitqueue_head(&rdev->blocked_wait); - return rdev; abort_free: diff --git a/drivers/md/md.h b/drivers/md/md.h index 1e6405918eec..cc8030543e82 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -487,4 +487,5 @@ extern void md_integrity_add_rdev(mdk_rdev_t *rdev, mddev_t *mddev); extern int strict_strtoul_scaled(const char *cp, unsigned long *res, int scale); extern void restore_bitmap_write_access(struct file *file); +extern void md_rdev_init(mdk_rdev_t *rdev); #endif /* _MD_MD_H */ |