diff options
Diffstat (limited to 'drivers/md/md.c')
| -rw-r--r-- | drivers/md/md.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index c8d2bac4e28b..e6178787ce3d 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -249,6 +249,7 @@ static void md_make_request(struct request_queue *q, struct bio *bio) const int rw = bio_data_dir(bio); struct mddev *mddev = q->queuedata; unsigned int sectors; + int cpu; if (mddev == NULL || mddev->pers == NULL || !mddev->ready) { @@ -284,7 +285,10 @@ static void md_make_request(struct request_queue *q, struct bio *bio) sectors = bio_sectors(bio); mddev->pers->make_request(mddev, bio); - generic_start_io_acct(rw, sectors, &mddev->gendisk->part0); + cpu = part_stat_lock(); + part_stat_inc(cpu, &mddev->gendisk->part0, ios[rw]); + part_stat_add(cpu, &mddev->gendisk->part0, sectors[rw], sectors); + part_stat_unlock(); if (atomic_dec_and_test(&mddev->active_io) && mddev->suspended) wake_up(&mddev->sb_wait); @@ -2555,7 +2559,7 @@ state_store(struct md_rdev *rdev, const char *buf, size_t len) return err ? err : len; } static struct rdev_sysfs_entry rdev_state = -__ATTR(state, S_IRUGO|S_IWUSR, state_show, state_store); +__ATTR_PREALLOC(state, S_IRUGO|S_IWUSR, state_show, state_store); static ssize_t errors_show(struct md_rdev *rdev, char *page) @@ -3638,7 +3642,8 @@ resync_start_store(struct mddev *mddev, const char *buf, size_t len) return err ?: len; } static struct md_sysfs_entry md_resync_start = -__ATTR(resync_start, S_IRUGO|S_IWUSR, resync_start_show, resync_start_store); +__ATTR_PREALLOC(resync_start, S_IRUGO|S_IWUSR, + resync_start_show, resync_start_store); /* * The array state can be: @@ -3851,7 +3856,7 @@ array_state_store(struct mddev *mddev, const char *buf, size_t len) return err ?: len; } static struct md_sysfs_entry md_array_state = -__ATTR(array_state, S_IRUGO|S_IWUSR, array_state_show, array_state_store); +__ATTR_PREALLOC(array_state, S_IRUGO|S_IWUSR, array_state_show, array_state_store); static ssize_t max_corrected_read_errors_show(struct mddev *mddev, char *page) { @@ -4101,7 +4106,7 @@ out_unlock: } static struct md_sysfs_entry md_metadata = -__ATTR(metadata_version, S_IRUGO|S_IWUSR, metadata_show, metadata_store); +__ATTR_PREALLOC(metadata_version, S_IRUGO|S_IWUSR, metadata_show, metadata_store); static ssize_t action_show(struct mddev *mddev, char *page) @@ -4189,7 +4194,7 @@ action_store(struct mddev *mddev, const char *page, size_t len) } static struct md_sysfs_entry md_scan_mode = -__ATTR(sync_action, S_IRUGO|S_IWUSR, action_show, action_store); +__ATTR_PREALLOC(sync_action, S_IRUGO|S_IWUSR, action_show, action_store); static ssize_t last_sync_action_show(struct mddev *mddev, char *page) @@ -4335,7 +4340,8 @@ sync_completed_show(struct mddev *mddev, char *page) return sprintf(page, "%llu / %llu\n", resync, max_sectors); } -static struct md_sysfs_entry md_sync_completed = __ATTR_RO(sync_completed); +static struct md_sysfs_entry md_sync_completed = + __ATTR_PREALLOC(sync_completed, S_IRUGO, sync_completed_show, NULL); static ssize_t min_sync_show(struct mddev *mddev, char *page) @@ -5078,7 +5084,8 @@ int md_run(struct mddev *mddev) } if (err) { mddev_detach(mddev); - pers->free(mddev, mddev->private); + if (mddev->private) + pers->free(mddev, mddev->private); module_put(pers->owner); bitmap_destroy(mddev); return err; |