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path: root/drivers/md/raid5-ppl.c
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Diffstat (limited to 'drivers/md/raid5-ppl.c')
-rw-r--r--drivers/md/raid5-ppl.c16
1 files changed, 4 insertions, 12 deletions
diff --git a/drivers/md/raid5-ppl.c b/drivers/md/raid5-ppl.c
index eaea57aee602..da4ba736c4f0 100644
--- a/drivers/md/raid5-ppl.c
+++ b/drivers/md/raid5-ppl.c
@@ -620,11 +620,9 @@ static void ppl_do_flush(struct ppl_io_unit *io)
struct md_rdev *rdev;
struct block_device *bdev = NULL;
- rcu_read_lock();
- rdev = rcu_dereference(conf->disks[i].rdev);
+ rdev = conf->disks[i].rdev;
if (rdev && !test_bit(Faulty, &rdev->flags))
bdev = rdev->bdev;
- rcu_read_unlock();
if (bdev) {
struct bio *bio;
@@ -882,9 +880,7 @@ static int ppl_recover_entry(struct ppl_log *log, struct ppl_header_entry *e,
(unsigned long long)r_sector, dd_idx,
(unsigned long long)sector);
- /* Array has not started so rcu dereference is safe */
- rdev = rcu_dereference_protected(
- conf->disks[dd_idx].rdev, 1);
+ rdev = conf->disks[dd_idx].rdev;
if (!rdev || (!test_bit(In_sync, &rdev->flags) &&
sector >= rdev->recovery_offset)) {
pr_debug("%s:%*s data member disk %d missing\n",
@@ -936,9 +932,7 @@ static int ppl_recover_entry(struct ppl_log *log, struct ppl_header_entry *e,
0, &disk, &sh);
BUG_ON(sh.pd_idx != le32_to_cpu(e->parity_disk));
- /* Array has not started so rcu dereference is safe */
- parity_rdev = rcu_dereference_protected(
- conf->disks[sh.pd_idx].rdev, 1);
+ parity_rdev = conf->disks[sh.pd_idx].rdev;
BUG_ON(parity_rdev->bdev->bd_dev != log->rdev->bdev->bd_dev);
pr_debug("%s:%*s write parity at sector %llu, disk %pg\n",
@@ -1404,9 +1398,7 @@ int ppl_init_log(struct r5conf *conf)
for (i = 0; i < ppl_conf->count; i++) {
struct ppl_log *log = &ppl_conf->child_logs[i];
- /* Array has not started so rcu dereference is safe */
- struct md_rdev *rdev =
- rcu_dereference_protected(conf->disks[i].rdev, 1);
+ struct md_rdev *rdev = conf->disks[i].rdev;
mutex_init(&log->io_mutex);
spin_lock_init(&log->io_list_lock);