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authorLinus Torvalds <torvalds@linux-foundation.org>2010-05-21 13:48:32 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-21 13:48:32 -0400
commitd6fb1db02e02aea98f2d7e121fd30e24c84639d6 (patch)
tree865546f0388c40d52cf98febe2c6d21039915ea2 /lib/kref.c
parentb4e6b09738fde057ce885703705f71cc953d0512 (diff)
parenta1b3f594dc5faab91d3a218c7019e9b5edd9fe1a (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6: (38 commits) net: Expose all network devices in a namespaces in sysfs hotplug: netns aware uevent_helper kobj: Send hotplug events in the proper namespace. netlink: Implment netlink_broadcast_filtered net/sysfs: Fix the bitrot in network device kobject namespace support netns: Teach network device kobjects which namespace they are in. kobject: Send hotplug events in all network namespaces driver-core: fix Typo in drivers/base/core.c for CONFIG_MODULE pci: check caps from sysfs file open to read device dependent config space sysfs: add struct file* to bin_attr callbacks sysfs: Remove usage of S_BIAS to avoid merge conflict with the vfs tree sysfs: Don't use enums in inline function declaration. sysfs-namespaces: add a high-level Documentation file sysfs: Comment sysfs directory tagging logic driver core: Implement ns directory support for device classes. sysfs: Implement sysfs_delete_link sysfs: Add support for tagged directories with untagged members. sysfs: Implement sysfs tagged directory support. kobj: Add basic infrastructure for dealing with namespaces. sysfs: Remove double free sysfs_get_sb ...
Diffstat (limited to 'lib/kref.c')
-rw-r--r--lib/kref.c15
1 files changed, 2 insertions, 13 deletions
diff --git a/lib/kref.c b/lib/kref.c
index 6d19f690380b..d3d227a08a4b 100644
--- a/lib/kref.c
+++ b/lib/kref.c
@@ -16,23 +16,13 @@
16#include <linux/slab.h> 16#include <linux/slab.h>
17 17
18/** 18/**
19 * kref_set - initialize object and set refcount to requested number.
20 * @kref: object in question.
21 * @num: initial reference counter
22 */
23void kref_set(struct kref *kref, int num)
24{
25 atomic_set(&kref->refcount, num);
26 smp_mb();
27}
28
29/**
30 * kref_init - initialize object. 19 * kref_init - initialize object.
31 * @kref: object in question. 20 * @kref: object in question.
32 */ 21 */
33void kref_init(struct kref *kref) 22void kref_init(struct kref *kref)
34{ 23{
35 kref_set(kref, 1); 24 atomic_set(&kref->refcount, 1);
25 smp_mb();
36} 26}
37 27
38/** 28/**
@@ -72,7 +62,6 @@ int kref_put(struct kref *kref, void (*release)(struct kref *kref))
72 return 0; 62 return 0;
73} 63}
74 64
75EXPORT_SYMBOL(kref_set);
76EXPORT_SYMBOL(kref_init); 65EXPORT_SYMBOL(kref_init);
77EXPORT_SYMBOL(kref_get); 66EXPORT_SYMBOL(kref_get);
78EXPORT_SYMBOL(kref_put); 67EXPORT_SYMBOL(kref_put);