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[SCSI] attribute_container: update to use the group interface

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This patch is the beginning of moving the attribute_containers to use
attribute groups exclusively.  The attr element is now deprecated and
will eventually be removed (along with all the hand rolled code for
doing exactly what attribute groups do) when all the consumers are
converted to attribute groups.

Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
James Bottomley 2008-01-02 18:48:47 -06:00
parent 11f24fbdf5
commit fd1109711d
2 changed files with 13 additions and 2 deletions
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14
drivers/base/attribute_container.c
View file

@ -320,9 +320,14 @@ attribute_container_add_attrs(struct class_device *classdev)
struct class_device_attribute **attrs = cont->attrs;
int i, error;
if (!attrs)
BUG_ON(attrs && cont->grp);
if (!attrs && !cont->grp)
return 0;
if (cont->grp)
return sysfs_create_group(&classdev->kobj, cont->grp);
for (i = 0; attrs[i]; i++) {
error = class_device_create_file(classdev, attrs[i]);
if (error)
@ -378,9 +383,14 @@ attribute_container_remove_attrs(struct class_device *classdev)
struct class_device_attribute **attrs = cont->attrs;
int i;
if (!attrs)
if (!attrs && !cont->grp)
return;
if (cont->grp) {
sysfs_remove_group(&classdev->kobj, cont->grp);
return ;
}
for (i = 0; attrs[i]; i++)
class_device_remove_file(classdev, attrs[i]);
}

1
include/linux/attribute_container.h
View file

@ -17,6 +17,7 @@ struct attribute_container {
struct list_head node;
struct klist containers;
struct class *class;
struct attribute_group *grp;
struct class_device_attribute **attrs;
int (*match)(struct attribute_container *, struct device *);
#define ATTRIBUTE_CONTAINER_NO_CLASSDEVS 0x01