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btrfs: fixes for kobject changes in mainline 

Here's a patch against the unstable tree that gets the code to build
against Linus's current tree (2.6.24-git12).  This is needed as the
kobject/kset api has changed there.

I tried to make the smallest changes needed, and it builds and loads
successfully, but I don't have a btrfs volume anywhere (yet) to try to
see if things still work properly :)

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Greg KH 2008-02-20 14:14:16 -05:00 committed by Chris Mason
parent 6e92f5e651
commit e3fe4e7120
1 changed files with 15 additions and 24 deletions
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39
fs/btrfs/sysfs.c
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@ -184,7 +184,8 @@ static struct kobj_type btrfs_super_ktype = {
.release = btrfs_super_release,
};
static struct kset btrfs_kset;
/* /sys/fs/btrfs/ entry */
static struct kset *btrfs_kset;
int btrfs_sysfs_add_super(struct btrfs_fs_info *fs)
{
@ -208,14 +209,9 @@ int btrfs_sysfs_add_super(struct btrfs_fs_info *fs)
}
name[len] = '\0';
fs->super_kobj.kset = &btrfs_kset;
fs->super_kobj.ktype = &btrfs_super_ktype;
error = kobject_set_name(&fs->super_kobj, "%s", name);
if (error)
goto fail;
error = kobject_register(&fs->super_kobj);
fs->super_kobj.kset = btrfs_kset;
error = kobject_init_and_add(&fs->super_kobj, &btrfs_super_ktype,
NULL, "%s", name);
if (error)
goto fail;
@ -232,15 +228,9 @@ int btrfs_sysfs_add_root(struct btrfs_root *root)
{
int error;
root->root_kobj.ktype = &btrfs_root_ktype;
root->root_kobj.parent = &root->fs_info->super_kobj;
error = kobject_set_name(&root->root_kobj, "%s", root->name);
if (error) {
goto fail;
}
error = kobject_register(&root->root_kobj);
error = kobject_init_and_add(&root->root_kobj, &btrfs_root_ktype,
&root->fs_info->super_kobj,
"%s", root->name);
if (error)
goto fail;
@ -253,24 +243,25 @@ fail:
void btrfs_sysfs_del_root(struct btrfs_root *root)
{
kobject_unregister(&root->root_kobj);
kobject_put(&root->root_kobj);
wait_for_completion(&root->kobj_unregister);
}
void btrfs_sysfs_del_super(struct btrfs_fs_info *fs)
{
kobject_unregister(&fs->super_kobj);
kobject_put(&fs->super_kobj);
wait_for_completion(&fs->kobj_unregister);
}
int btrfs_init_sysfs()
{
kobj_set_kset_s(&btrfs_kset, fs_subsys);
kobject_set_name(&btrfs_kset.kobj, "btrfs");
return kset_register(&btrfs_kset);
btrfs_kset = kset_create_and_add("btrfs", NULL, fs_kobj);
if (!btrfs_kset)
return -ENOMEM;
return 0;
}
void btrfs_exit_sysfs()
{
kset_unregister(&btrfs_kset);
kset_unregister(btrfs_kset);
}