linux-imx
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committed f1e5b6239bdx
pr_err("md/linear:%s: make_request: Sector %llu out of bounds on dev %s: %llu sectors, offset %llu\n",/* linear.c : Multiple Devices driver for Linux Copyright (C) 1994-96 Marc ZYNGIER <zyngier@ufr-info-p7.ibp.fr> or <maz@gloups.fdn.fr> Linear mode management functions. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. You should have received a copy of the GNU General Public License (for example /usr/src/linux/COPYING); if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.*//* * find which device holds a particular offset */static inline struct dev_info *which_dev(struct mddev *mddev, sector_t sector){ int lo, mid, hi; struct linear_conf *conf; lo = 0; hi = mddev->raid_disks - 1; conf = mddev->private; /* * Binary Search */ while (hi > lo) { mid = (hi + lo) / 2; if (sector < conf->disks[mid].end_sector) hi = mid; else lo = mid + 1; } return conf->disks + lo;}/* * In linear_congested() conf->raid_disks is used as a copy of * mddev->raid_disks to iterate conf->disks[], because conf->raid_disks * and conf->disks[] are created in linear_conf(), they are always * consitent with each other, but mddev->raid_disks does not. */static int linear_congested(struct mddev *mddev, int bits){ struct linear_conf *conf; int i, ret = 0; rcu_read_lock(); conf = rcu_dereference(mddev->private); for (i = 0; i < conf->raid_disks && !ret ; i++) { struct request_queue *q = bdev_get_queue(conf->disks[i].rdev->bdev); ret |= bdi_congested(q->backing_dev_info, bits); } rcu_read_unlock(); return ret;}static sector_t linear_size(struct mddev *mddev, sector_t sectors, int raid_disks){ struct linear_conf *conf; sector_t array_sectors; conf = mddev->private; WARN_ONCE(sectors || raid_disks, "%s does not support generic reshape\n", __func__); array_sectors = conf->array_sectors; return array_sectors;}static struct linear_conf *linear_conf(struct mddev *mddev, int raid_disks)