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blk-cgroup: don't use removal safe list iterators
author
Daniel Vacek
<neelx@redhat.com>
Thu, 4 Jan 2024 18:00:30 +0000
(19:00 +0100)
committer
Jens Axboe
<axboe@kernel.dk>
Thu, 4 Jan 2024 23:07:56 +0000
(16:07 -0700)
Commit
f1c006f1c685
moved deletion of the list blkg->q_node from
blkg_destroy() to blkg_free_workfn(). Switch to using the list
iterators, as we don't need removal protection anymore.
Signed-off-by: Daniel Vacek <neelx@redhat.com>
Acked-by: Tejun Heo <tj@kernel.org>
Link:
https://lore.kernel.org/r/20240104180031.148148-1-neelx@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
block/blk-cgroup.c
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diff --git
a/block/blk-cgroup.c
b/block/blk-cgroup.c
index 58b13ef2382107543f3ce3e3de610482a1a5e6bf..e303fd31731377cae25738cd82beea6b96a4d1b9 100644
(file)
--- a/
block/blk-cgroup.c
+++ b/
block/blk-cgroup.c
@@
-575,13
+575,13
@@
static void blkg_destroy(struct blkcg_gq *blkg)
static void blkg_destroy_all(struct gendisk *disk)
{
struct request_queue *q = disk->queue;
- struct blkcg_gq *blkg
, *n
;
+ struct blkcg_gq *blkg;
int count = BLKG_DESTROY_BATCH_SIZE;
int i;
restart:
spin_lock_irq(&q->queue_lock);
- list_for_each_entry
_safe(blkg, n
, &q->blkg_list, q_node) {
+ list_for_each_entry
(blkg
, &q->blkg_list, q_node) {
struct blkcg *blkcg = blkg->blkcg;
if (hlist_unhashed(&blkg->blkcg_node))