diff options
author | Greg Kroah-Hartman <gregkh@suse.de> | 2007-11-06 10:36:58 -0800 |
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committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-01-24 20:40:23 -0800 |
commit | 830d3cfb16728e2496edc2985ad8f68025135e37 (patch) | |
tree | 11541c0ac058745a2ab4269b84669a8341ece7ce /block/genhd.c | |
parent | c60b71787982cefcf9fa09aa281fa8c4c685d557 (diff) | |
download | linux-3.10-830d3cfb16728e2496edc2985ad8f68025135e37.tar.gz linux-3.10-830d3cfb16728e2496edc2985ad8f68025135e37.tar.bz2 linux-3.10-830d3cfb16728e2496edc2985ad8f68025135e37.zip |
kset: convert block_subsys to use kset_create
Dynamically create the kset instead of declaring it statically. We also
rename block_subsys to block_kset to catch all users of this symbol
with a build error instead of an easy-to-ignore build warning.
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'block/genhd.c')
-rw-r--r-- | block/genhd.c | 34 |
1 files changed, 16 insertions, 18 deletions
diff --git a/block/genhd.c b/block/genhd.c index 32227b7ecd1..69aa7389d48 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -17,7 +17,8 @@ #include <linux/buffer_head.h> #include <linux/mutex.h> -struct kset block_subsys; +struct kset *block_kset; +static struct kset_uevent_ops block_uevent_ops; static DEFINE_MUTEX(block_subsys_lock); /* @@ -221,7 +222,7 @@ void __init printk_all_partitions(void) mutex_lock(&block_subsys_lock); /* For each block device... */ - list_for_each_entry(sgp, &block_subsys.list, kobj.entry) { + list_for_each_entry(sgp, &block_kset->list, kobj.entry) { char buf[BDEVNAME_SIZE]; /* * Don't show empty devices or things that have been surpressed @@ -270,7 +271,7 @@ static void *part_start(struct seq_file *part, loff_t *pos) loff_t l = *pos; mutex_lock(&block_subsys_lock); - list_for_each(p, &block_subsys.list) + list_for_each(p, &block_kset->list) if (!l--) return list_entry(p, struct gendisk, kobj.entry); return NULL; @@ -280,7 +281,7 @@ static void *part_next(struct seq_file *part, void *v, loff_t *pos) { struct list_head *p = ((struct gendisk *)v)->kobj.entry.next; ++*pos; - return p==&block_subsys.list ? NULL : + return p==&block_kset->list ? NULL : list_entry(p, struct gendisk, kobj.entry); } @@ -295,7 +296,7 @@ static int show_partition(struct seq_file *part, void *v) int n; char buf[BDEVNAME_SIZE]; - if (&sgp->kobj.entry == block_subsys.list.next) + if (&sgp->kobj.entry == block_kset->list.next) seq_puts(part, "major minor #blocks name\n\n"); /* Don't show non-partitionable removeable devices or empty devices */ @@ -345,15 +346,14 @@ static struct kobject *base_probe(dev_t dev, int *part, void *data) static int __init genhd_device_init(void) { - int err; - bdev_map = kobj_map_init(base_probe, &block_subsys_lock); blk_dev_init(); - err = subsystem_register(&block_subsys); - if (err < 0) - printk(KERN_WARNING "%s: subsystem_register error: %d\n", - __FUNCTION__, err); - return err; + block_kset = kset_create_and_add("block", &block_uevent_ops, NULL); + if (!block_kset) { + printk(KERN_WARNING "%s: kset_create error\n", __FUNCTION__); + return -ENOMEM; + } + return 0; } subsys_initcall(genhd_device_init); @@ -584,8 +584,6 @@ static struct kset_uevent_ops block_uevent_ops = { .uevent = block_uevent, }; -decl_subsys(block, &block_uevent_ops); - /* * aggregate disk stat collector. Uses the same stats that the sysfs * entries do, above, but makes them available through one seq_file. @@ -603,7 +601,7 @@ static void *diskstats_start(struct seq_file *part, loff_t *pos) struct list_head *p; mutex_lock(&block_subsys_lock); - list_for_each(p, &block_subsys.list) + list_for_each(p, &block_kset->list) if (!k--) return list_entry(p, struct gendisk, kobj.entry); return NULL; @@ -613,7 +611,7 @@ static void *diskstats_next(struct seq_file *part, void *v, loff_t *pos) { struct list_head *p = ((struct gendisk *)v)->kobj.entry.next; ++*pos; - return p==&block_subsys.list ? NULL : + return p==&block_kset->list ? NULL : list_entry(p, struct gendisk, kobj.entry); } @@ -629,7 +627,7 @@ static int diskstats_show(struct seq_file *s, void *v) int n = 0; /* - if (&sgp->kobj.entry == block_subsys.kset.list.next) + if (&sgp->kobj.entry == block_kset->list.next) seq_puts(s, "major minor name" " rio rmerge rsect ruse wio wmerge " "wsect wuse running use aveq" @@ -721,7 +719,7 @@ struct gendisk *alloc_disk_node(int minors, int node_id) } } disk->minors = minors; - disk->kobj.kset = &block_subsys; + disk->kobj.kset = block_kset; disk->kobj.ktype = &ktype_block; kobject_init(&disk->kobj); rand_initialize_disk(disk); |