diff options
author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-06-24 08:41:41 -0400 |
---|---|---|
committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-06-24 13:07:53 -0400 |
commit | 816724e65c72a90a44fbad0ef0b59b186c85fa90 (patch) | |
tree | 421fa29aedff988e392f92780637553e275d37a0 /drivers/base/sys.c | |
parent | 70ac4385a13f78bc478f26d317511893741b05bd (diff) | |
parent | d384ea691fe4ea8c2dd5b9b8d9042eb181776f18 (diff) |
Merge branch 'master' of /home/trondmy/kernel/linux-2.6/
Conflicts:
fs/nfs/inode.c
fs/super.c
Fix conflicts between patch 'NFS: Split fs/nfs/inode.c' and patch
'VFS: Permit filesystem to override root dentry on mount'
Diffstat (limited to 'drivers/base/sys.c')
-rw-r--r-- | drivers/base/sys.c | 51 |
1 files changed, 50 insertions, 1 deletions
diff --git a/drivers/base/sys.c b/drivers/base/sys.c index 6fc23ab127b..6858178b3af 100644 --- a/drivers/base/sys.c +++ b/drivers/base/sys.c @@ -80,10 +80,59 @@ void sysdev_remove_file(struct sys_device * s, struct sysdev_attribute * a) EXPORT_SYMBOL_GPL(sysdev_create_file); EXPORT_SYMBOL_GPL(sysdev_remove_file); +#define to_sysdev_class(k) container_of(k, struct sysdev_class, kset.kobj) +#define to_sysdev_class_attr(a) container_of(a, \ + struct sysdev_class_attribute, attr) + +static ssize_t sysdev_class_show(struct kobject *kobj, struct attribute *attr, + char *buffer) +{ + struct sysdev_class * class = to_sysdev_class(kobj); + struct sysdev_class_attribute *class_attr = to_sysdev_class_attr(attr); + + if (class_attr->show) + return class_attr->show(class, buffer); + return -EIO; +} + +static ssize_t sysdev_class_store(struct kobject *kobj, struct attribute *attr, + const char *buffer, size_t count) +{ + struct sysdev_class * class = to_sysdev_class(kobj); + struct sysdev_class_attribute * class_attr = to_sysdev_class_attr(attr); + + if (class_attr->store) + return class_attr->store(class, buffer, count); + return -EIO; +} + +static struct sysfs_ops sysfs_class_ops = { + .show = sysdev_class_show, + .store = sysdev_class_store, +}; + +static struct kobj_type ktype_sysdev_class = { + .sysfs_ops = &sysfs_class_ops, +}; + +int sysdev_class_create_file(struct sysdev_class *c, + struct sysdev_class_attribute *a) +{ + return sysfs_create_file(&c->kset.kobj, &a->attr); +} +EXPORT_SYMBOL_GPL(sysdev_class_create_file); + +void sysdev_class_remove_file(struct sysdev_class *c, + struct sysdev_class_attribute *a) +{ + sysfs_remove_file(&c->kset.kobj, &a->attr); +} +EXPORT_SYMBOL_GPL(sysdev_class_remove_file); + /* * declare system_subsys */ -static decl_subsys(system, &ktype_sysdev, NULL); +static decl_subsys(system, &ktype_sysdev_class, NULL); int sysdev_class_register(struct sysdev_class * cls) { |