This patch is part of dm/md dependency tree in sysfs.
This adds variants of bd_claim_by_kobject which takes gendisk instead
of kobject and do kobject_{get,put}(&gendisk->slave_dir).
Thanks,
--
Jun'ichi Nomura, NEC Solutions (America), Inc.
Variants of bd_claim_by_kobject which takes gendisk instead
of kobject and do kobject_{get,put}(&gendisk->slave_dir).
Signed-off-by: Jun'ichi Nomura <[email protected]>
include/linux/genhd.h | 13 +++++++++++++
1 files changed, 13 insertions(+)
--- linux-2.6.16-rc6.orig/include/linux/genhd.h 2006-03-11 17:12:55.000000000 -0500
+++ linux-2.6.16-rc6/include/linux/genhd.h 2006-03-13 11:24:13.000000000 -0500
@@ -421,6 +424,19 @@ static inline struct block_device *bdget
return bdget(MKDEV(disk->major, disk->first_minor) + index);
}
+static inline int bd_claim_by_disk(struct block_device *bdev,
+ void *holder, struct gendisk *disk)
+{
+ return bd_claim_by_kobject(bdev, holder, kobject_get(disk->slave_dir));
+}
+
+static inline void bd_release_from_disk(struct block_device *bdev,
+ struct gendisk *disk)
+{
+ bd_release_from_kobject(bdev, disk->slave_dir);
+ kobject_put(disk->slave_dir);
+}
+
#endif
#endif
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