linux-imx

// SPDX-License-Identifier: GPL-2.0

/*

 * Copyright (C) 2016 CNEX Labs

 * Initial release: Javier Gonzalez <javier@cnexlabs.com>

 *                  Matias Bjorling <matias@cnexlabs.com>

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License version

 * 2 as published by the Free Software Foundation.

 *

 * This program is distributed in the hope that it will be useful, but

 * WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * General Public License for more details.

 *

 * pblk-core.c - pblk's core functionality

 *

 */

​

#define CREATE_TRACE_POINTS

​

#include "pblk.h"

#include "pblk-trace.h"

​

static void pblk_line_mark_bb(struct work_struct *work)

{

    struct pblk_line_ws *line_ws = container_of(work, struct pblk_line_ws,

                                    ws);

    struct pblk *pblk = line_ws->pblk;

    struct nvm_tgt_dev *dev = pblk->dev;

    struct ppa_addr *ppa = line_ws->priv;

    int ret;

​

    ret = nvm_set_chunk_meta(dev, ppa, 1, NVM_BLK_T_GRWN_BAD);

    if (ret) {

        struct pblk_line *line;

        int pos;

​

        line = pblk_ppa_to_line(pblk, *ppa);

        pos = pblk_ppa_to_pos(&dev->geo, *ppa);

​

        pblk_err(pblk, "failed to mark bb, line:%d, pos:%d\n",

                line->id, pos);

    }

​

    kfree(ppa);

    mempool_free(line_ws, &pblk->gen_ws_pool);

}

​

static void pblk_mark_bb(struct pblk *pblk, struct pblk_line *line,

             struct ppa_addr ppa_addr)

{

    struct nvm_tgt_dev *dev = pblk->dev;

    struct nvm_geo *geo = &dev->geo;

    struct ppa_addr *ppa;

    int pos = pblk_ppa_to_pos(geo, ppa_addr);

​

    pblk_debug(pblk, "erase failed: line:%d, pos:%d\n", line->id, pos);

    atomic_long_inc(&pblk->erase_failed);

​

    atomic_dec(&line->blk_in_line);

    if (test_and_set_bit(pos, line->blk_bitmap))

        pblk_err(pblk, "attempted to erase bb: line:%d, pos:%d\n",