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ceph: name bdi ceph-%d instead of major:minor 

The bdi_setup_and_register() helper doesn't help us since we bdi_init() in
create_client() and bdi_register() only when sget() succeeds.

Signed-off-by: Sage Weil <sage@newdream.net>
This commit is contained in:
Sage Weil 2010-05-04 16:39:35 -07:00
parent 56b7cf9581
commit 31e0cf8f6a
1 changed files with 4 additions and 1 deletions
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5
fs/ceph/super.c
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@ -910,6 +910,8 @@ static int ceph_compare_super(struct super_block *sb, void *data)
/*
* construct our own bdi so we can control readahead, etc.
*/
static atomic_long_t bdi_seq = ATOMIC_INIT(0);
static int ceph_register_bdi(struct super_block *sb, struct ceph_client *client)
{
int err;
@ -919,7 +921,8 @@ static int ceph_register_bdi(struct super_block *sb, struct ceph_client *client)
client->backing_dev_info.ra_pages =
(client->mount_args->rsize + PAGE_CACHE_SIZE - 1)
>> PAGE_SHIFT;
err = bdi_register_dev(&client->backing_dev_info, sb->s_dev);
err = bdi_register(&client->backing_dev_info, NULL, "ceph-%d",
atomic_long_inc_return(&bdi_seq));
if (!err)
sb->s_bdi = &client->backing_dev_info;
return err;