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lightnvm: pblk: refactor init/exit sequences
Refactor init and exit sequences to eliminate dependencies among init modules and improve readability. Signed-off-by: Javier González <javier@cnexlabs.com> Signed-off-by: Matias Bjørling <mb@lightnvm.io> Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Javier González
Jens Axboe
parent
9d7aa4a484
commit
43d4712721
@ -103,7 +103,40 @@ static void pblk_l2p_free(struct pblk *pblk)
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vfree(pblk->trans_map);
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}
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static int pblk_l2p_init(struct pblk *pblk)
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static int pblk_l2p_recover(struct pblk *pblk, bool factory_init)
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{
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struct pblk_line *line = NULL;
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if (factory_init) {
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pblk_setup_uuid(pblk);
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} else {
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line = pblk_recov_l2p(pblk);
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if (IS_ERR(line)) {
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pr_err("pblk: could not recover l2p table\n");
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return -EFAULT;
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}
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}
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#ifdef CONFIG_NVM_DEBUG
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pr_info("pblk init: L2P CRC: %x\n", pblk_l2p_crc(pblk));
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#endif
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/* Free full lines directly as GC has not been started yet */
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pblk_gc_free_full_lines(pblk);
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if (!line) {
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/* Configure next line for user data */
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line = pblk_line_get_first_data(pblk);
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if (!line) {
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pr_err("pblk: line list corrupted\n");
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return -EFAULT;
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}
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}
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return 0;
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}
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static int pblk_l2p_init(struct pblk *pblk, bool factory_init)
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{
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sector_t i;
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struct ppa_addr ppa;
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@ -119,7 +152,7 @@ static int pblk_l2p_init(struct pblk *pblk)
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for (i = 0; i < pblk->rl.nr_secs; i++)
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pblk_trans_map_set(pblk, i, ppa);
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return 0;
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return pblk_l2p_recover(pblk, factory_init);
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}
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static void pblk_rwb_free(struct pblk *pblk)
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@ -159,7 +192,13 @@ static int pblk_set_ppaf(struct pblk *pblk)
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struct nvm_tgt_dev *dev = pblk->dev;
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struct nvm_geo *geo = &dev->geo;
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struct nvm_addr_format ppaf = geo->ppaf;
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int power_len;
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int mod, power_len;
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div_u64_rem(geo->sec_per_chk, pblk->min_write_pgs, &mod);
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if (mod) {
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pr_err("pblk: bad configuration of sectors/pages\n");
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return -EINVAL;
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}
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/* Re-calculate channel and lun format to adapt to configuration */
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power_len = get_count_order(geo->nr_chnls);
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@ -252,13 +291,40 @@ static int pblk_core_init(struct pblk *pblk)
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{
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struct nvm_tgt_dev *dev = pblk->dev;
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struct nvm_geo *geo = &dev->geo;
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int max_write_ppas;
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atomic64_set(&pblk->user_wa, 0);
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atomic64_set(&pblk->pad_wa, 0);
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atomic64_set(&pblk->gc_wa, 0);
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pblk->user_rst_wa = 0;
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pblk->pad_rst_wa = 0;
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pblk->gc_rst_wa = 0;
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atomic64_set(&pblk->nr_flush, 0);
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pblk->nr_flush_rst = 0;
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pblk->pgs_in_buffer = NVM_MEM_PAGE_WRITE * geo->sec_per_pg *
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geo->nr_planes * geo->all_luns;
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if (pblk_init_global_caches(pblk))
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pblk->min_write_pgs = geo->sec_per_pl * (geo->sec_size / PAGE_SIZE);
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max_write_ppas = pblk->min_write_pgs * geo->all_luns;
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pblk->max_write_pgs = min_t(int, max_write_ppas, NVM_MAX_VLBA);
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pblk_set_sec_per_write(pblk, pblk->min_write_pgs);
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if (pblk->max_write_pgs > PBLK_MAX_REQ_ADDRS) {
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pr_err("pblk: vector list too big(%u > %u)\n",
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pblk->max_write_pgs, PBLK_MAX_REQ_ADDRS);
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return -EINVAL;
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}
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pblk->pad_dist = kzalloc((pblk->min_write_pgs - 1) * sizeof(atomic64_t),
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GFP_KERNEL);
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if (!pblk->pad_dist)
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return -ENOMEM;
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if (pblk_init_global_caches(pblk))
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goto fail_free_pad_dist;
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/* Internal bios can be at most the sectors signaled by the device. */
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pblk->page_bio_pool = mempool_create_page_pool(NVM_MAX_VLBA, 0);
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if (!pblk->page_bio_pool)
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@ -307,10 +373,8 @@ static int pblk_core_init(struct pblk *pblk)
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if (pblk_set_ppaf(pblk))
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goto free_r_end_wq;
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if (pblk_rwb_init(pblk))
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goto free_r_end_wq;
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INIT_LIST_HEAD(&pblk->compl_list);
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return 0;
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free_r_end_wq:
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@ -333,6 +397,8 @@ free_page_bio_pool:
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mempool_destroy(pblk->page_bio_pool);
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free_global_caches:
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pblk_free_global_caches(pblk);
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fail_free_pad_dist:
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kfree(pblk->pad_dist);
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return -ENOMEM;
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}
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@ -354,14 +420,8 @@ static void pblk_core_free(struct pblk *pblk)
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mempool_destroy(pblk->e_rq_pool);
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mempool_destroy(pblk->w_rq_pool);
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pblk_rwb_free(pblk);
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pblk_free_global_caches(pblk);
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}
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static void pblk_luns_free(struct pblk *pblk)
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{
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kfree(pblk->luns);
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kfree(pblk->pad_dist);
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}
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static void pblk_line_mg_free(struct pblk *pblk)
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@ -378,8 +438,6 @@ static void pblk_line_mg_free(struct pblk *pblk)
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pblk_mfree(l_mg->eline_meta[i]->buf, l_mg->emeta_alloc_type);
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kfree(l_mg->eline_meta[i]);
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}
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kfree(pblk->lines);
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}
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static void pblk_line_meta_free(struct pblk_line *line)
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@ -402,6 +460,11 @@ static void pblk_lines_free(struct pblk *pblk)
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pblk_line_meta_free(line);
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}
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spin_unlock(&l_mg->free_lock);
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pblk_line_mg_free(pblk);
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kfree(pblk->luns);
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kfree(pblk->lines);
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}
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static int pblk_bb_get_tbl(struct nvm_tgt_dev *dev, struct pblk_lun *rlun,
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@ -476,7 +539,7 @@ static int pblk_bb_line(struct pblk *pblk, struct pblk_line *line,
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return bb_cnt;
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}
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static int pblk_luns_init(struct pblk *pblk, struct ppa_addr *luns)
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static int pblk_luns_init(struct pblk *pblk)
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{
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struct nvm_tgt_dev *dev = pblk->dev;
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struct nvm_geo *geo = &dev->geo;
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@ -501,7 +564,7 @@ static int pblk_luns_init(struct pblk *pblk, struct ppa_addr *luns)
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int lunid = lun_raw + ch * geo->nr_luns;
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rlun = &pblk->luns[i];
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rlun->bppa = luns[lunid];
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rlun->bppa = dev->luns[lunid];
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sema_init(&rlun->wr_sem, 1);
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}
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@ -509,38 +572,6 @@ static int pblk_luns_init(struct pblk *pblk, struct ppa_addr *luns)
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return 0;
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}
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static int pblk_lines_configure(struct pblk *pblk, int flags)
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{
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struct pblk_line *line = NULL;
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int ret = 0;
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if (!(flags & NVM_TARGET_FACTORY)) {
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line = pblk_recov_l2p(pblk);
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if (IS_ERR(line)) {
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pr_err("pblk: could not recover l2p table\n");
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ret = -EFAULT;
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}
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}
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#ifdef CONFIG_NVM_DEBUG
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pr_info("pblk init: L2P CRC: %x\n", pblk_l2p_crc(pblk));
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#endif
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/* Free full lines directly as GC has not been started yet */
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pblk_gc_free_full_lines(pblk);
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if (!line) {
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/* Configure next line for user data */
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line = pblk_line_get_first_data(pblk);
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if (!line) {
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pr_err("pblk: line list corrupted\n");
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ret = -EFAULT;
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}
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}
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return ret;
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}
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/* See comment over struct line_emeta definition */
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static unsigned int calc_emeta_len(struct pblk *pblk)
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{
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@ -606,11 +637,70 @@ static void pblk_set_provision(struct pblk *pblk, long nr_free_blks)
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atomic_set(&pblk->rl.free_user_blocks, nr_free_blks);
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}
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static int pblk_lines_alloc_metadata(struct pblk *pblk)
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static int pblk_setup_line_meta(struct pblk *pblk, struct pblk_line *line,
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void *chunk_log, long *nr_bad_blks)
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{
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struct pblk_line_meta *lm = &pblk->lm;
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line->blk_bitmap = kzalloc(lm->blk_bitmap_len, GFP_KERNEL);
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if (!line->blk_bitmap)
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return -ENOMEM;
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line->erase_bitmap = kzalloc(lm->blk_bitmap_len, GFP_KERNEL);
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if (!line->erase_bitmap) {
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kfree(line->blk_bitmap);
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return -ENOMEM;
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}
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*nr_bad_blks = pblk_bb_line(pblk, line, chunk_log, lm->blk_per_line);
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return 0;
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}
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static int pblk_line_mg_init(struct pblk *pblk)
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{
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struct nvm_tgt_dev *dev = pblk->dev;
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struct nvm_geo *geo = &dev->geo;
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struct pblk_line_mgmt *l_mg = &pblk->l_mg;
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struct pblk_line_meta *lm = &pblk->lm;
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int i;
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int i, bb_distance;
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l_mg->nr_lines = geo->nr_chks;
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l_mg->log_line = l_mg->data_line = NULL;
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l_mg->l_seq_nr = l_mg->d_seq_nr = 0;
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l_mg->nr_free_lines = 0;
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bitmap_zero(&l_mg->meta_bitmap, PBLK_DATA_LINES);
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INIT_LIST_HEAD(&l_mg->free_list);
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INIT_LIST_HEAD(&l_mg->corrupt_list);
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INIT_LIST_HEAD(&l_mg->bad_list);
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INIT_LIST_HEAD(&l_mg->gc_full_list);
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INIT_LIST_HEAD(&l_mg->gc_high_list);
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INIT_LIST_HEAD(&l_mg->gc_mid_list);
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INIT_LIST_HEAD(&l_mg->gc_low_list);
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INIT_LIST_HEAD(&l_mg->gc_empty_list);
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INIT_LIST_HEAD(&l_mg->emeta_list);
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l_mg->gc_lists[0] = &l_mg->gc_high_list;
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l_mg->gc_lists[1] = &l_mg->gc_mid_list;
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l_mg->gc_lists[2] = &l_mg->gc_low_list;
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spin_lock_init(&l_mg->free_lock);
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spin_lock_init(&l_mg->close_lock);
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spin_lock_init(&l_mg->gc_lock);
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l_mg->vsc_list = kcalloc(l_mg->nr_lines, sizeof(__le32), GFP_KERNEL);
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if (!l_mg->vsc_list)
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goto fail;
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l_mg->bb_template = kzalloc(lm->sec_bitmap_len, GFP_KERNEL);
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if (!l_mg->bb_template)
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goto fail_free_vsc_list;
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l_mg->bb_aux = kzalloc(lm->sec_bitmap_len, GFP_KERNEL);
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if (!l_mg->bb_aux)
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goto fail_free_bb_template;
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/* smeta is always small enough to fit on a kmalloc memory allocation,
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* emeta depends on the number of LUNs allocated to the pblk instance
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@ -656,13 +746,13 @@ static int pblk_lines_alloc_metadata(struct pblk *pblk)
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}
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}
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l_mg->vsc_list = kcalloc(l_mg->nr_lines, sizeof(__le32), GFP_KERNEL);
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if (!l_mg->vsc_list)
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goto fail_free_emeta;
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for (i = 0; i < l_mg->nr_lines; i++)
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l_mg->vsc_list[i] = cpu_to_le32(EMPTY_ENTRY);
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bb_distance = (geo->all_luns) * geo->ws_opt;
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for (i = 0; i < lm->sec_per_line; i += bb_distance)
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bitmap_set(l_mg->bb_template, i, geo->ws_opt);
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return 0;
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fail_free_emeta:
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@ -673,69 +763,25 @@ fail_free_emeta:
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kfree(l_mg->eline_meta[i]->buf);
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kfree(l_mg->eline_meta[i]);
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}
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fail_free_smeta:
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for (i = 0; i < PBLK_DATA_LINES; i++)
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kfree(l_mg->sline_meta[i]);
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kfree(l_mg->bb_aux);
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fail_free_bb_template:
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kfree(l_mg->bb_template);
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fail_free_vsc_list:
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kfree(l_mg->vsc_list);
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fail:
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return -ENOMEM;
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}
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static int pblk_setup_line_meta(struct pblk *pblk, struct pblk_line *line,
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void *chunk_log, long *nr_bad_blks)
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{
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struct pblk_line_meta *lm = &pblk->lm;
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line->blk_bitmap = kzalloc(lm->blk_bitmap_len, GFP_KERNEL);
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if (!line->blk_bitmap)
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return -ENOMEM;
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line->erase_bitmap = kzalloc(lm->blk_bitmap_len, GFP_KERNEL);
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if (!line->erase_bitmap) {
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kfree(line->blk_bitmap);
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return -ENOMEM;
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}
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*nr_bad_blks = pblk_bb_line(pblk, line, chunk_log, lm->blk_per_line);
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return 0;
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}
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static int pblk_lines_init(struct pblk *pblk)
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static int pblk_line_meta_init(struct pblk *pblk)
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{
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struct nvm_tgt_dev *dev = pblk->dev;
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struct nvm_geo *geo = &dev->geo;
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struct pblk_line_mgmt *l_mg = &pblk->l_mg;
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struct pblk_line_meta *lm = &pblk->lm;
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struct pblk_line *line;
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void *chunk_log;
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unsigned int smeta_len, emeta_len;
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long nr_bad_blks = 0, nr_free_blks = 0;
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int bb_distance, max_write_ppas, mod;
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int i, ret;
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pblk->min_write_pgs = geo->sec_per_pl * (geo->sec_size / PAGE_SIZE);
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max_write_ppas = pblk->min_write_pgs * geo->all_luns;
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pblk->max_write_pgs = min_t(int, max_write_ppas, NVM_MAX_VLBA);
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pblk_set_sec_per_write(pblk, pblk->min_write_pgs);
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if (pblk->max_write_pgs > PBLK_MAX_REQ_ADDRS) {
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pr_err("pblk: vector list too big(%u > %u)\n",
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pblk->max_write_pgs, PBLK_MAX_REQ_ADDRS);
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return -EINVAL;
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}
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div_u64_rem(geo->sec_per_chk, pblk->min_write_pgs, &mod);
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if (mod) {
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pr_err("pblk: bad configuration of sectors/pages\n");
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return -EINVAL;
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}
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l_mg->nr_lines = geo->nr_chks;
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l_mg->log_line = l_mg->data_line = NULL;
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l_mg->l_seq_nr = l_mg->d_seq_nr = 0;
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l_mg->nr_free_lines = 0;
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bitmap_zero(&l_mg->meta_bitmap, PBLK_DATA_LINES);
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int i;
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lm->sec_per_line = geo->sec_per_chk * geo->all_luns;
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lm->blk_per_line = geo->all_luns;
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@ -787,58 +833,43 @@ add_emeta_page:
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return -EINVAL;
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}
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ret = pblk_lines_alloc_metadata(pblk);
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return 0;
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}
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static int pblk_lines_init(struct pblk *pblk)
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{
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struct pblk_line_mgmt *l_mg = &pblk->l_mg;
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struct pblk_line_meta *lm = &pblk->lm;
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struct pblk_line *line;
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void *chunk_log;
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long nr_bad_blks = 0, nr_free_blks = 0;
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int i, ret;
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ret = pblk_line_meta_init(pblk);
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if (ret)
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return ret;
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l_mg->bb_template = kzalloc(lm->sec_bitmap_len, GFP_KERNEL);
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if (!l_mg->bb_template) {
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ret = -ENOMEM;
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ret = pblk_line_mg_init(pblk);
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if (ret)
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return ret;
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ret = pblk_luns_init(pblk);
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if (ret)
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goto fail_free_meta;
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}
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l_mg->bb_aux = kzalloc(lm->sec_bitmap_len, GFP_KERNEL);
|
||||
if (!l_mg->bb_aux) {
|
||||
ret = -ENOMEM;
|
||||
goto fail_free_bb_template;
|
||||
}
|
||||
|
||||
bb_distance = (geo->all_luns) * geo->sec_per_pl;
|
||||
for (i = 0; i < lm->sec_per_line; i += bb_distance)
|
||||
bitmap_set(l_mg->bb_template, i, geo->sec_per_pl);
|
||||
|
||||
INIT_LIST_HEAD(&l_mg->free_list);
|
||||
INIT_LIST_HEAD(&l_mg->corrupt_list);
|
||||
INIT_LIST_HEAD(&l_mg->bad_list);
|
||||
INIT_LIST_HEAD(&l_mg->gc_full_list);
|
||||
INIT_LIST_HEAD(&l_mg->gc_high_list);
|
||||
INIT_LIST_HEAD(&l_mg->gc_mid_list);
|
||||
INIT_LIST_HEAD(&l_mg->gc_low_list);
|
||||
INIT_LIST_HEAD(&l_mg->gc_empty_list);
|
||||
|
||||
INIT_LIST_HEAD(&l_mg->emeta_list);
|
||||
|
||||
l_mg->gc_lists[0] = &l_mg->gc_high_list;
|
||||
l_mg->gc_lists[1] = &l_mg->gc_mid_list;
|
||||
l_mg->gc_lists[2] = &l_mg->gc_low_list;
|
||||
|
||||
spin_lock_init(&l_mg->free_lock);
|
||||
spin_lock_init(&l_mg->close_lock);
|
||||
spin_lock_init(&l_mg->gc_lock);
|
||||
|
||||
pblk->lines = kcalloc(l_mg->nr_lines, sizeof(struct pblk_line),
|
||||
GFP_KERNEL);
|
||||
if (!pblk->lines) {
|
||||
ret = -ENOMEM;
|
||||
goto fail_free_bb_aux;
|
||||
}
|
||||
|
||||
chunk_log = pblk_bb_get_log(pblk);
|
||||
if (IS_ERR(chunk_log)) {
|
||||
pr_err("pblk: could not get bad block log (%lu)\n",
|
||||
PTR_ERR(chunk_log));
|
||||
ret = PTR_ERR(chunk_log);
|
||||
goto fail_free_bb_aux;
|
||||
goto fail_free_luns;
|
||||
}
|
||||
|
||||
pblk->lines = kcalloc(l_mg->nr_lines, sizeof(struct pblk_line),
|
||||
GFP_KERNEL);
|
||||
if (!pblk->lines) {
|
||||
ret = -ENOMEM;
|
||||
goto fail_free_chunk_log;
|
||||
}
|
||||
|
||||
for (i = 0; i < l_mg->nr_lines; i++) {
|
||||
@ -856,7 +887,7 @@ add_emeta_page:
|
||||
|
||||
ret = pblk_setup_line_meta(pblk, line, chunk_log, &nr_bad_blks);
|
||||
if (ret)
|
||||
goto fail_free_chunk_log;
|
||||
goto fail_free_lines;
|
||||
|
||||
chk_in_line = lm->blk_per_line - nr_bad_blks;
|
||||
if (nr_bad_blks < 0 || nr_bad_blks > lm->blk_per_line ||
|
||||
@ -878,14 +909,14 @@ add_emeta_page:
|
||||
kfree(chunk_log);
|
||||
return 0;
|
||||
|
||||
fail_free_chunk_log:
|
||||
kfree(chunk_log);
|
||||
fail_free_lines:
|
||||
while (--i >= 0)
|
||||
pblk_line_meta_free(&pblk->lines[i]);
|
||||
fail_free_bb_aux:
|
||||
kfree(l_mg->bb_aux);
|
||||
fail_free_bb_template:
|
||||
kfree(l_mg->bb_template);
|
||||
kfree(pblk->lines);
|
||||
fail_free_chunk_log:
|
||||
kfree(chunk_log);
|
||||
fail_free_luns:
|
||||
kfree(pblk->luns);
|
||||
fail_free_meta:
|
||||
pblk_line_mg_free(pblk);
|
||||
|
||||
@ -928,12 +959,10 @@ static void pblk_writer_stop(struct pblk *pblk)
|
||||
|
||||
static void pblk_free(struct pblk *pblk)
|
||||
{
|
||||
pblk_luns_free(pblk);
|
||||
pblk_lines_free(pblk);
|
||||
kfree(pblk->pad_dist);
|
||||
pblk_line_mg_free(pblk);
|
||||
pblk_core_free(pblk);
|
||||
pblk_l2p_free(pblk);
|
||||
pblk_rwb_free(pblk);
|
||||
pblk_core_free(pblk);
|
||||
|
||||
kfree(pblk);
|
||||
}
|
||||
@ -998,19 +1027,6 @@ static void *pblk_init(struct nvm_tgt_dev *dev, struct gendisk *tdisk,
|
||||
spin_lock_init(&pblk->trans_lock);
|
||||
spin_lock_init(&pblk->lock);
|
||||
|
||||
if (flags & NVM_TARGET_FACTORY)
|
||||
pblk_setup_uuid(pblk);
|
||||
|
||||
atomic64_set(&pblk->user_wa, 0);
|
||||
atomic64_set(&pblk->pad_wa, 0);
|
||||
atomic64_set(&pblk->gc_wa, 0);
|
||||
pblk->user_rst_wa = 0;
|
||||
pblk->pad_rst_wa = 0;
|
||||
pblk->gc_rst_wa = 0;
|
||||
|
||||
atomic64_set(&pblk->nr_flush, 0);
|
||||
pblk->nr_flush_rst = 0;
|
||||
|
||||
#ifdef CONFIG_NVM_DEBUG
|
||||
atomic_long_set(&pblk->inflight_writes, 0);
|
||||
atomic_long_set(&pblk->padded_writes, 0);
|
||||
@ -1034,48 +1050,35 @@ static void *pblk_init(struct nvm_tgt_dev *dev, struct gendisk *tdisk,
|
||||
atomic_long_set(&pblk->write_failed, 0);
|
||||
atomic_long_set(&pblk->erase_failed, 0);
|
||||
|
||||
ret = pblk_luns_init(pblk, dev->luns);
|
||||
ret = pblk_core_init(pblk);
|
||||
if (ret) {
|
||||
pr_err("pblk: could not initialize luns\n");
|
||||
pr_err("pblk: could not initialize core\n");
|
||||
goto fail;
|
||||
}
|
||||
|
||||
ret = pblk_lines_init(pblk);
|
||||
if (ret) {
|
||||
pr_err("pblk: could not initialize lines\n");
|
||||
goto fail_free_luns;
|
||||
}
|
||||
|
||||
pblk->pad_dist = kzalloc((pblk->min_write_pgs - 1) * sizeof(atomic64_t),
|
||||
GFP_KERNEL);
|
||||
if (!pblk->pad_dist) {
|
||||
ret = -ENOMEM;
|
||||
goto fail_free_line_meta;
|
||||
}
|
||||
|
||||
ret = pblk_core_init(pblk);
|
||||
if (ret) {
|
||||
pr_err("pblk: could not initialize core\n");
|
||||
goto fail_free_pad_dist;
|
||||
}
|
||||
|
||||
ret = pblk_l2p_init(pblk);
|
||||
if (ret) {
|
||||
pr_err("pblk: could not initialize maps\n");
|
||||
goto fail_free_core;
|
||||
}
|
||||
|
||||
ret = pblk_lines_configure(pblk, flags);
|
||||
ret = pblk_rwb_init(pblk);
|
||||
if (ret) {
|
||||
pr_err("pblk: could not configure lines\n");
|
||||
goto fail_free_l2p;
|
||||
pr_err("pblk: could not initialize write buffer\n");
|
||||
goto fail_free_lines;
|
||||
}
|
||||
|
||||
ret = pblk_l2p_init(pblk, flags & NVM_TARGET_FACTORY);
|
||||
if (ret) {
|
||||
pr_err("pblk: could not initialize maps\n");
|
||||
goto fail_free_rwb;
|
||||
}
|
||||
|
||||
ret = pblk_writer_init(pblk);
|
||||
if (ret) {
|
||||
if (ret != -EINTR)
|
||||
pr_err("pblk: could not initialize write thread\n");
|
||||
goto fail_free_lines;
|
||||
goto fail_free_l2p;
|
||||
}
|
||||
|
||||
ret = pblk_gc_init(pblk);
|
||||
@ -1110,18 +1113,14 @@ static void *pblk_init(struct nvm_tgt_dev *dev, struct gendisk *tdisk,
|
||||
|
||||
fail_stop_writer:
|
||||
pblk_writer_stop(pblk);
|
||||
fail_free_lines:
|
||||
pblk_lines_free(pblk);
|
||||
fail_free_l2p:
|
||||
pblk_l2p_free(pblk);
|
||||
fail_free_rwb:
|
||||
pblk_rwb_free(pblk);
|
||||
fail_free_lines:
|
||||
pblk_lines_free(pblk);
|
||||
fail_free_core:
|
||||
pblk_core_free(pblk);
|
||||
fail_free_pad_dist:
|
||||
kfree(pblk->pad_dist);
|
||||
fail_free_line_meta:
|
||||
pblk_line_mg_free(pblk);
|
||||
fail_free_luns:
|
||||
pblk_luns_free(pblk);
|
||||
fail:
|
||||
kfree(pblk);
|
||||
return ERR_PTR(ret);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user