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Subject[PATCH 09/14] dlm: use idr_for_each_entry() in recover_idr_clear() error path
Date
Convert recover_idr_clear() to use idr_for_each_entry() instead of
idr_for_each(). It's somewhat less efficient this way but it
shouldn't matter in an error path. This is to help with deprecation
of idr_remove_all().

Only compile tested.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Christine Caulfield <ccaulfie@redhat.com>
Cc: David Teigland <teigland@redhat.com>
Cc: cluster-devel@redhat.com
---
This patch depends on an earlier idr patch and I think it would be
best to route these together through -mm. Christine, David, can you
please ack this?

Thanks.

fs/dlm/recover.c | 23 ++++++++++-------------
1 file changed, 10 insertions(+), 13 deletions(-)

diff --git a/fs/dlm/recover.c b/fs/dlm/recover.c
index aedea28..b2856e7 100644
--- a/fs/dlm/recover.c
+++ b/fs/dlm/recover.c
@@ -351,23 +351,20 @@ static struct dlm_rsb *recover_idr_find(struct dlm_ls *ls, uint64_t id)
return r;
}

-static int recover_idr_clear_rsb(int id, void *p, void *data)
+static void recover_idr_clear(struct dlm_ls *ls)
{
- struct dlm_ls *ls = data;
- struct dlm_rsb *r = p;
+ struct dlm_rsb *r;
+ int id;

- r->res_id = 0;
- r->res_recover_locks_count = 0;
- ls->ls_recover_list_count--;
+ spin_lock(&ls->ls_recover_idr_lock);

- dlm_put_rsb(r);
- return 0;
-}
+ idr_for_each_entry(&ls->ls_recover_idr, r, id) {
+ r->res_id = 0;
+ r->res_recover_locks_count = 0;
+ ls->ls_recover_list_count--;

-static void recover_idr_clear(struct dlm_ls *ls)
-{
- spin_lock(&ls->ls_recover_idr_lock);
- idr_for_each(&ls->ls_recover_idr, recover_idr_clear_rsb, ls);
+ dlm_put_rsb(r);
+ }
idr_remove_all(&ls->ls_recover_idr);

if (ls->ls_recover_list_count != 0) {
--
1.8.1


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