diff options
Diffstat (limited to 'drivers/md/md.c')
-rw-r--r-- | drivers/md/md.c | 73 |
1 files changed, 43 insertions, 30 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index 994aed2f9dff..63ceabb4e020 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -204,10 +204,6 @@ static int start_readonly; */ static bool create_on_open = true; -/* bio_clone_mddev - * like bio_clone_bioset, but with a local bio set - */ - struct bio *bio_alloc_mddev(gfp_t gfp_mask, int nr_iovecs, struct mddev *mddev) { @@ -335,6 +331,7 @@ EXPORT_SYMBOL(md_handle_request); static blk_qc_t md_make_request(struct request_queue *q, struct bio *bio) { const int rw = bio_data_dir(bio); + const int sgrp = op_stat_group(bio_op(bio)); struct mddev *mddev = q->queuedata; unsigned int sectors; int cpu; @@ -363,8 +360,8 @@ static blk_qc_t md_make_request(struct request_queue *q, struct bio *bio) md_handle_request(mddev, bio); 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_inc(cpu, &mddev->gendisk->part0, ios[sgrp]); + part_stat_add(cpu, &mddev->gendisk->part0, sectors[sgrp], sectors); part_stat_unlock(); return BLK_QC_T_NONE; @@ -2571,7 +2568,7 @@ repeat: if (mddev->queue) blk_add_trace_msg(mddev->queue, "md md_update_sb"); rewrite: - bitmap_update_sb(mddev->bitmap); + md_bitmap_update_sb(mddev->bitmap); rdev_for_each(rdev, mddev) { char b[BDEVNAME_SIZE]; @@ -4384,10 +4381,10 @@ bitmap_store(struct mddev *mddev, const char *buf, size_t len) if (buf == end) break; } if (*end && !isspace(*end)) break; - bitmap_dirty_bits(mddev->bitmap, chunk, end_chunk); + md_bitmap_dirty_bits(mddev->bitmap, chunk, end_chunk); buf = skip_spaces(end); } - bitmap_unplug(mddev->bitmap); /* flush the bits to disk */ + md_bitmap_unplug(mddev->bitmap); /* flush the bits to disk */ out: mddev_unlock(mddev); return len; @@ -5615,7 +5612,7 @@ int md_run(struct mddev *mddev) (mddev->bitmap_info.file || mddev->bitmap_info.offset)) { struct bitmap *bitmap; - bitmap = bitmap_create(mddev, -1); + bitmap = md_bitmap_create(mddev, -1); if (IS_ERR(bitmap)) { err = PTR_ERR(bitmap); pr_warn("%s: failed to create bitmap (%d)\n", @@ -5630,7 +5627,7 @@ int md_run(struct mddev *mddev) pers->free(mddev, mddev->private); mddev->private = NULL; module_put(pers->owner); - bitmap_destroy(mddev); + md_bitmap_destroy(mddev); goto abort; } if (mddev->queue) { @@ -5715,9 +5712,9 @@ static int do_md_run(struct mddev *mddev) err = md_run(mddev); if (err) goto out; - err = bitmap_load(mddev); + err = md_bitmap_load(mddev); if (err) { - bitmap_destroy(mddev); + md_bitmap_destroy(mddev); goto out; } @@ -5859,7 +5856,7 @@ static void __md_stop_writes(struct mddev *mddev) mddev->pers->quiesce(mddev, 1); mddev->pers->quiesce(mddev, 0); } - bitmap_flush(mddev); + md_bitmap_flush(mddev); if (mddev->ro == 0 && ((!mddev->in_sync && !mddev_is_clustered(mddev)) || @@ -5881,7 +5878,7 @@ EXPORT_SYMBOL_GPL(md_stop_writes); static void mddev_detach(struct mddev *mddev) { - bitmap_wait_behind_writes(mddev); + md_bitmap_wait_behind_writes(mddev); if (mddev->pers && mddev->pers->quiesce) { mddev->pers->quiesce(mddev, 1); mddev->pers->quiesce(mddev, 0); @@ -5894,7 +5891,7 @@ static void mddev_detach(struct mddev *mddev) static void __md_stop(struct mddev *mddev) { struct md_personality *pers = mddev->pers; - bitmap_destroy(mddev); + md_bitmap_destroy(mddev); mddev_detach(mddev); /* Ensure ->event_work is done */ flush_workqueue(md_misc_wq); @@ -6713,21 +6710,21 @@ static int set_bitmap_file(struct mddev *mddev, int fd) if (fd >= 0) { struct bitmap *bitmap; - bitmap = bitmap_create(mddev, -1); + bitmap = md_bitmap_create(mddev, -1); mddev_suspend(mddev); if (!IS_ERR(bitmap)) { mddev->bitmap = bitmap; - err = bitmap_load(mddev); + err = md_bitmap_load(mddev); } else err = PTR_ERR(bitmap); if (err) { - bitmap_destroy(mddev); + md_bitmap_destroy(mddev); fd = -1; } mddev_resume(mddev); } else if (fd < 0) { mddev_suspend(mddev); - bitmap_destroy(mddev); + md_bitmap_destroy(mddev); mddev_resume(mddev); } } @@ -7013,15 +7010,15 @@ static int update_array_info(struct mddev *mddev, mdu_array_info_t *info) mddev->bitmap_info.default_offset; mddev->bitmap_info.space = mddev->bitmap_info.default_space; - bitmap = bitmap_create(mddev, -1); + bitmap = md_bitmap_create(mddev, -1); mddev_suspend(mddev); if (!IS_ERR(bitmap)) { mddev->bitmap = bitmap; - rv = bitmap_load(mddev); + rv = md_bitmap_load(mddev); } else rv = PTR_ERR(bitmap); if (rv) - bitmap_destroy(mddev); + md_bitmap_destroy(mddev); mddev_resume(mddev); } else { /* remove the bitmap */ @@ -7046,7 +7043,7 @@ static int update_array_info(struct mddev *mddev, mdu_array_info_t *info) md_cluster_ops->leave(mddev); } mddev_suspend(mddev); - bitmap_destroy(mddev); + md_bitmap_destroy(mddev); mddev_resume(mddev); mddev->bitmap_info.offset = 0; } @@ -7680,6 +7677,23 @@ static int status_resync(struct seq_file *seq, struct mddev *mddev) resync -= atomic_read(&mddev->recovery_active); if (resync == 0) { + if (test_bit(MD_RESYNCING_REMOTE, &mddev->recovery)) { + struct md_rdev *rdev; + + rdev_for_each(rdev, mddev) + if (rdev->raid_disk >= 0 && + !test_bit(Faulty, &rdev->flags) && + rdev->recovery_offset != MaxSector && + rdev->recovery_offset) { + seq_printf(seq, "\trecover=REMOTE"); + return 1; + } + if (mddev->reshape_position != MaxSector) + seq_printf(seq, "\treshape=REMOTE"); + else + seq_printf(seq, "\tresync=REMOTE"); + return 1; + } if (mddev->recovery_cp < MaxSector) { seq_printf(seq, "\tresync=PENDING"); return 1; @@ -7909,7 +7923,7 @@ static int md_seq_show(struct seq_file *seq, void *v) } else seq_printf(seq, "\n "); - bitmap_status(seq, mddev->bitmap); + md_bitmap_status(seq, mddev->bitmap); seq_printf(seq, "\n"); } @@ -8046,8 +8060,7 @@ static int is_mddev_idle(struct mddev *mddev, int init) rcu_read_lock(); rdev_for_each_rcu(rdev, mddev) { struct gendisk *disk = rdev->bdev->bd_contains->bd_disk; - curr_events = (int)part_stat_read(&disk->part0, sectors[0]) + - (int)part_stat_read(&disk->part0, sectors[1]) - + curr_events = (int)part_stat_read_accum(&disk->part0, sectors) - atomic_read(&disk->sync_io); /* sync IO will cause sync_io to increase before the disk_stats * as sync_io is counted when a request starts, and @@ -8781,7 +8794,7 @@ void md_check_recovery(struct mddev *mddev) return; if (mddev->bitmap) - bitmap_daemon_work(mddev); + md_bitmap_daemon_work(mddev); if (signal_pending(current)) { if (mddev->pers->sync_request && !mddev->external) { @@ -8918,7 +8931,7 @@ void md_check_recovery(struct mddev *mddev) * which has the bitmap stored on all devices. * So make sure all bitmap pages get written */ - bitmap_write_all(mddev->bitmap); + md_bitmap_write_all(mddev->bitmap); } INIT_WORK(&mddev->del_work, md_start_sync); queue_work(md_misc_wq, &mddev->del_work); @@ -9166,7 +9179,7 @@ static void check_sb_changes(struct mddev *mddev, struct md_rdev *rdev) if (ret) pr_info("md-cluster: resize failed\n"); else - bitmap_update_sb(mddev->bitmap); + md_bitmap_update_sb(mddev->bitmap); } /* Check for change of roles in the active devices */ |