Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753626AbdIFK41 (ORCPT ); Wed, 6 Sep 2017 06:56:27 -0400 Received: from mail-wm0-f54.google.com ([74.125.82.54]:38525 "EHLO mail-wm0-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753301AbdIFKwn (ORCPT ); Wed, 6 Sep 2017 06:52:43 -0400 X-Google-Smtp-Source: ADKCNb5G4F+S+bocv88NPogspttuYpui3lfz+PMve9xsweZHj1lSqqv+gtm8W44RJ6msBONdRCZ+9w== From: "=?UTF-8?q?Javier=20Gonz=C3=A1lez?=" X-Google-Original-From: =?UTF-8?q?Javier=20Gonz=C3=A1lez?= To: mb@lightnvm.io, axboe@fb.com Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, =?UTF-8?q?Javier=20Gonz=C3=A1lez?= , =?UTF-8?q?Matias=20Bj=C3=B8rling?= Subject: [PATCH 06/18] lightnvm: pblk: use right flag for GC allocation Date: Wed, 6 Sep 2017 12:50:59 +0200 Message-Id: <1504695071-25928-7-git-send-email-javier@cnexlabs.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1504695071-25928-1-git-send-email-javier@cnexlabs.com> References: <1504695071-25928-1-git-send-email-javier@cnexlabs.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1742 Lines: 50 The data buffer for the GC path allocates virtual memory through vmalloc. When this change was introduced, a flag signaling kmalloc'ed memory was wrongly introduced. Use the right flag when creating a bio from this buffer. Fixes: de54e703a422 ("lightnvm: pblk: use vmalloc for GC data buffer") Signed-off-by: Javier González Signed-off-by: Matias Bjørling --- drivers/lightnvm/pblk-read.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/lightnvm/pblk-read.c b/drivers/lightnvm/pblk-read.c index db9a3b575f62..9bbdca8a65ab 100644 --- a/drivers/lightnvm/pblk-read.c +++ b/drivers/lightnvm/pblk-read.c @@ -490,7 +490,7 @@ int pblk_submit_read_gc(struct pblk *pblk, u64 *lba_list, void *data, data_len = (*secs_to_gc) * geo->sec_size; bio = pblk_bio_map_addr(pblk, data, *secs_to_gc, data_len, - PBLK_KMALLOC_META, GFP_KERNEL); + PBLK_VMALLOC_META, GFP_KERNEL); if (IS_ERR(bio)) { pr_err("pblk: could not allocate GC bio (%lu)\n", PTR_ERR(bio)); goto err_free_dma; @@ -510,7 +510,7 @@ int pblk_submit_read_gc(struct pblk *pblk, u64 *lba_list, void *data, if (ret) { bio_endio(bio); pr_err("pblk: GC read request failed\n"); - goto err_free_dma; + goto err_free_bio; } if (!wait_for_completion_io_timeout(&wait, @@ -532,10 +532,13 @@ int pblk_submit_read_gc(struct pblk *pblk, u64 *lba_list, void *data, atomic_long_sub(*secs_to_gc, &pblk->inflight_reads); #endif + bio_put(bio); out: nvm_dev_dma_free(dev->parent, rqd.meta_list, rqd.dma_meta_list); return NVM_IO_OK; +err_free_bio: + bio_put(bio); err_free_dma: nvm_dev_dma_free(dev->parent, rqd.meta_list, rqd.dma_meta_list); return NVM_IO_ERR; -- 2.7.4