From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,NICE_REPLY_A, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 11BCDC4346E for ; Tue, 29 Sep 2020 09:15:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B694D206E5 for ; Tue, 29 Sep 2020 09:15:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728040AbgI2JPy (ORCPT ); Tue, 29 Sep 2020 05:15:54 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:14706 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727718AbgI2JPy (ORCPT ); Tue, 29 Sep 2020 05:15:54 -0400 Received: from DGGEMS414-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 6F838297318984F61466; Tue, 29 Sep 2020 17:15:52 +0800 (CST) Received: from [10.136.114.67] (10.136.114.67) by smtp.huawei.com (10.3.19.214) with Microsoft SMTP Server (TLS) id 14.3.487.0; Tue, 29 Sep 2020 17:15:51 +0800 Subject: Re: [PATCH v2 1/2] f2fs: compress: introduce page array slab cache To: Jaegeuk Kim CC: , , References: <20200914090514.50102-1-yuchao0@huawei.com> <20200929082306.GA1567825@google.com> <6e7639db-9120-d406-0a46-ec841845bb28@huawei.com> <20200929084739.GB1567825@google.com> From: Chao Yu Message-ID: <1b9774da-b2a8-2009-7796-9c576af1b4c4@huawei.com> Date: Tue, 29 Sep 2020 17:15:51 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20200929084739.GB1567825@google.com> Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.136.114.67] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2020/9/29 16:47, Jaegeuk Kim wrote: > On 09/29, Chao Yu wrote: >> On 2020/9/29 16:23, Jaegeuk Kim wrote: >>> I found a bug related to the number of page pointer allocation related to >>> nr_cpages. >> >> Jaegeuk, >> >> If I didn't miss anything, you mean that nr_cpages could be larger >> than nr_rpages, right? the problematic case here is lzo/lzo-rle: >> >> cc->clen = lzo1x_worst_compress(PAGE_SIZE << cc->log_cluster_size); >> >> As we can't limited clen as we did for lz4/zstd: >> >> cc->clen = cc->rlen - PAGE_SIZE - COMPRESS_HEADER_SIZE; > > Yes, I've seen some memory corruption in lzo test. Here is another patch to fix > mem leak. > > Signed-off-by: Jaegeuk Kim > --- > fs/f2fs/compress.c | 67 ++++++++++++++++++++++++++++------------------ > 1 file changed, 41 insertions(+), 26 deletions(-) > > diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c > index f086ac43ca825..ba2d4897744d8 100644 > --- a/fs/f2fs/compress.c > +++ b/fs/f2fs/compress.c > @@ -20,22 +20,20 @@ > static struct kmem_cache *cic_entry_slab; > static struct kmem_cache *dic_entry_slab; > > -static void *page_array_alloc(struct inode *inode) > +static void *page_array_alloc(struct inode *inode, int nr) > { > struct f2fs_sb_info *sbi = F2FS_I_SB(inode); > - unsigned int size = sizeof(struct page *) << > - F2FS_I(inode)->i_log_cluster_size; > + unsigned int size = sizeof(struct page *) * nr; > > if (likely(size == sbi->page_array_slab_size)) > return kmem_cache_zalloc(sbi->page_array_slab, GFP_NOFS); > return f2fs_kzalloc(sbi, size, GFP_NOFS); > } > > -static void page_array_free(struct inode *inode, void *pages) > +static void page_array_free(struct inode *inode, void *pages, int nr) > { > struct f2fs_sb_info *sbi = F2FS_I_SB(inode); > - unsigned int size = sizeof(struct page *) << > - F2FS_I(inode)->i_log_cluster_size; > + unsigned int size = sizeof(struct page *) * nr; > > if (!pages) > return; > @@ -162,13 +160,13 @@ int f2fs_init_compress_ctx(struct compress_ctx *cc) > if (cc->rpages) > return 0; > > - cc->rpages = page_array_alloc(cc->inode); > + cc->rpages = page_array_alloc(cc->inode, cc->cluster_size); > return cc->rpages ? 0 : -ENOMEM; > } > > void f2fs_destroy_compress_ctx(struct compress_ctx *cc) > { > - page_array_free(cc->inode, cc->rpages); > + page_array_free(cc->inode, cc->rpages, cc->cluster_size); > cc->rpages = NULL; > cc->nr_rpages = 0; > cc->nr_cpages = 0; > @@ -602,7 +600,8 @@ static int f2fs_compress_pages(struct compress_ctx *cc) > struct f2fs_inode_info *fi = F2FS_I(cc->inode); > const struct f2fs_compress_ops *cops = > f2fs_cops[fi->i_compress_algorithm]; > - unsigned int max_len, nr_cpages; > + unsigned int max_len, new_nr_cpages; > + struct page **new_cpages; > int i, ret; > > trace_f2fs_compress_pages_start(cc->inode, cc->cluster_idx, > @@ -617,7 +616,7 @@ static int f2fs_compress_pages(struct compress_ctx *cc) > max_len = COMPRESS_HEADER_SIZE + cc->clen; > cc->nr_cpages = DIV_ROUND_UP(max_len, PAGE_SIZE); > > - cc->cpages = page_array_alloc(cc->inode); > + cc->cpages = page_array_alloc(cc->inode, cc->nr_cpages); Well, cc->nr_cpages will be set to cc->nr_rpages - 1 for zstd/lz4 cases, so this will make cpages allocation fallback to kmalloc, which can cause more memory use. Thanks, > if (!cc->cpages) { > ret = -ENOMEM; > goto destroy_compress_ctx; > @@ -659,16 +658,28 @@ static int f2fs_compress_pages(struct compress_ctx *cc) > for (i = 0; i < COMPRESS_DATA_RESERVED_SIZE; i++) > cc->cbuf->reserved[i] = cpu_to_le32(0); > > - nr_cpages = DIV_ROUND_UP(cc->clen + COMPRESS_HEADER_SIZE, PAGE_SIZE); > + new_nr_cpages = DIV_ROUND_UP(cc->clen + COMPRESS_HEADER_SIZE, PAGE_SIZE); > + > + /* Now we're going to cut unnecessary tail pages */ > + new_cpages = page_array_alloc(cc->inode, new_nr_cpages); > + if (new_cpages) { > + ret = -ENOMEM; > + goto out_vunmap_cbuf; > + } > > /* zero out any unused part of the last page */ > memset(&cc->cbuf->cdata[cc->clen], 0, > - (nr_cpages * PAGE_SIZE) - (cc->clen + COMPRESS_HEADER_SIZE)); > + (new_nr_cpages * PAGE_SIZE) - > + (cc->clen + COMPRESS_HEADER_SIZE)); > > vm_unmap_ram(cc->cbuf, cc->nr_cpages); > vm_unmap_ram(cc->rbuf, cc->cluster_size); > > - for (i = nr_cpages; i < cc->nr_cpages; i++) { > + for (i = 0; i < cc->nr_cpages; i++) { > + if (i < new_nr_cpages) { > + new_cpages[i] = cc->cpages[i]; > + continue; > + } > f2fs_compress_free_page(cc->cpages[i]); > cc->cpages[i] = NULL; > } > @@ -676,7 +687,9 @@ static int f2fs_compress_pages(struct compress_ctx *cc) > if (cops->destroy_compress_ctx) > cops->destroy_compress_ctx(cc); > > - cc->nr_cpages = nr_cpages; > + page_array_free(cc->inode, cc->cpages, cc->nr_cpages); > + cc->cpages = new_cpages; > + cc->nr_cpages = new_nr_cpages; > > trace_f2fs_compress_pages_end(cc->inode, cc->cluster_idx, > cc->clen, ret); > @@ -691,7 +704,7 @@ static int f2fs_compress_pages(struct compress_ctx *cc) > if (cc->cpages[i]) > f2fs_compress_free_page(cc->cpages[i]); > } > - page_array_free(cc->inode, cc->cpages); > + page_array_free(cc->inode, cc->cpages, cc->nr_cpages); > cc->cpages = NULL; > destroy_compress_ctx: > if (cops->destroy_compress_ctx) > @@ -730,7 +743,7 @@ void f2fs_decompress_pages(struct bio *bio, struct page *page, bool verity) > goto out_free_dic; > } > > - dic->tpages = page_array_alloc(dic->inode); > + dic->tpages = page_array_alloc(dic->inode, dic->cluster_size); > if (!dic->tpages) { > ret = -ENOMEM; > goto out_free_dic; > @@ -1203,7 +1216,7 @@ static int f2fs_write_compressed_pages(struct compress_ctx *cc, > cic->magic = F2FS_COMPRESSED_PAGE_MAGIC; > cic->inode = inode; > atomic_set(&cic->pending_pages, cc->nr_cpages); > - cic->rpages = page_array_alloc(cc->inode); > + cic->rpages = page_array_alloc(cc->inode, cc->cluster_size); > if (!cic->rpages) > goto out_put_cic; > > @@ -1297,11 +1310,13 @@ static int f2fs_write_compressed_pages(struct compress_ctx *cc, > spin_unlock(&fi->i_size_lock); > > f2fs_put_rpages(cc); > + page_array_free(cc->inode, cc->cpages, cc->nr_cpages); > + cc->cpages = NULL; > f2fs_destroy_compress_ctx(cc); > return 0; > > out_destroy_crypt: > - page_array_free(cc->inode, cic->rpages); > + page_array_free(cc->inode, cic->rpages, cc->cluster_size); > > for (--i; i >= 0; i--) > fscrypt_finalize_bounce_page(&cc->cpages[i]); > @@ -1310,6 +1325,8 @@ static int f2fs_write_compressed_pages(struct compress_ctx *cc, > continue; > f2fs_put_page(cc->cpages[i], 1); > } > + page_array_free(cc->inode, cc->cpages, cc->nr_cpages); > + cc->cpages = NULL; > out_put_cic: > kmem_cache_free(cic_entry_slab, cic); > out_put_dnode: > @@ -1345,7 +1362,7 @@ void f2fs_compress_write_end_io(struct bio *bio, struct page *page) > end_page_writeback(cic->rpages[i]); > } > > - page_array_free(cic->inode, cic->rpages); > + page_array_free(cic->inode, cic->rpages, cic->nr_rpages); > kmem_cache_free(cic_entry_slab, cic); > } > > @@ -1442,8 +1459,6 @@ int f2fs_write_multi_pages(struct compress_ctx *cc, > > err = f2fs_write_compressed_pages(cc, submitted, > wbc, io_type); > - page_array_free(cc->inode, cc->cpages); > - cc->cpages = NULL; > if (!err) > return 0; > f2fs_bug_on(F2FS_I_SB(cc->inode), err != -EAGAIN); > @@ -1468,7 +1483,7 @@ struct decompress_io_ctx *f2fs_alloc_dic(struct compress_ctx *cc) > if (!dic) > return ERR_PTR(-ENOMEM); > > - dic->rpages = page_array_alloc(cc->inode); > + dic->rpages = page_array_alloc(cc->inode, cc->cluster_size); > if (!dic->rpages) { > kmem_cache_free(dic_entry_slab, dic); > return ERR_PTR(-ENOMEM); > @@ -1487,7 +1502,7 @@ struct decompress_io_ctx *f2fs_alloc_dic(struct compress_ctx *cc) > dic->rpages[i] = cc->rpages[i]; > dic->nr_rpages = cc->cluster_size; > > - dic->cpages = page_array_alloc(dic->inode); > + dic->cpages = page_array_alloc(dic->inode, dic->nr_cpages); > if (!dic->cpages) > goto out_free; > > @@ -1522,7 +1537,7 @@ void f2fs_free_dic(struct decompress_io_ctx *dic) > continue; > f2fs_compress_free_page(dic->tpages[i]); > } > - page_array_free(dic->inode, dic->tpages); > + page_array_free(dic->inode, dic->tpages, dic->cluster_size); > } > > if (dic->cpages) { > @@ -1531,10 +1546,10 @@ void f2fs_free_dic(struct decompress_io_ctx *dic) > continue; > f2fs_compress_free_page(dic->cpages[i]); > } > - page_array_free(dic->inode, dic->cpages); > + page_array_free(dic->inode, dic->cpages, dic->nr_cpages); > } > > - page_array_free(dic->inode, dic->rpages); > + page_array_free(dic->inode, dic->rpages, dic->nr_rpages); > kmem_cache_free(dic_entry_slab, dic); > } > > From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.1 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, NICE_REPLY_A,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C2866C4346E for ; Tue, 29 Sep 2020 09:16:10 +0000 (UTC) Received: from lists.sourceforge.net (lists.sourceforge.net [216.105.38.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2189020848 for ; Tue, 29 Sep 2020 09:16:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=sourceforge.net header.i=@sourceforge.net header.b="P/ec3oo+"; 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Tue, 29 Sep 2020 09:16:06 +0000 Received: from DGGEMS414-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 6F838297318984F61466; Tue, 29 Sep 2020 17:15:52 +0800 (CST) Received: from [10.136.114.67] (10.136.114.67) by smtp.huawei.com (10.3.19.214) with Microsoft SMTP Server (TLS) id 14.3.487.0; Tue, 29 Sep 2020 17:15:51 +0800 To: Jaegeuk Kim References: <20200914090514.50102-1-yuchao0@huawei.com> <20200929082306.GA1567825@google.com> <6e7639db-9120-d406-0a46-ec841845bb28@huawei.com> <20200929084739.GB1567825@google.com> From: Chao Yu Message-ID: <1b9774da-b2a8-2009-7796-9c576af1b4c4@huawei.com> Date: Tue, 29 Sep 2020 17:15:51 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20200929084739.GB1567825@google.com> Content-Language: en-US X-Originating-IP: [10.136.114.67] X-CFilter-Loop: Reflected X-Headers-End: 1kNBjt-009s7y-AT Subject: Re: [f2fs-dev] [PATCH v2 1/2] f2fs: compress: introduce page array slab cache X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net On 2020/9/29 16:47, Jaegeuk Kim wrote: > On 09/29, Chao Yu wrote: >> On 2020/9/29 16:23, Jaegeuk Kim wrote: >>> I found a bug related to the number of page pointer allocation related to >>> nr_cpages. >> >> Jaegeuk, >> >> If I didn't miss anything, you mean that nr_cpages could be larger >> than nr_rpages, right? the problematic case here is lzo/lzo-rle: >> >> cc->clen = lzo1x_worst_compress(PAGE_SIZE << cc->log_cluster_size); >> >> As we can't limited clen as we did for lz4/zstd: >> >> cc->clen = cc->rlen - PAGE_SIZE - COMPRESS_HEADER_SIZE; > > Yes, I've seen some memory corruption in lzo test. Here is another patch to fix > mem leak. > > Signed-off-by: Jaegeuk Kim > --- > fs/f2fs/compress.c | 67 ++++++++++++++++++++++++++++------------------ > 1 file changed, 41 insertions(+), 26 deletions(-) > > diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c > index f086ac43ca825..ba2d4897744d8 100644 > --- a/fs/f2fs/compress.c > +++ b/fs/f2fs/compress.c > @@ -20,22 +20,20 @@ > static struct kmem_cache *cic_entry_slab; > static struct kmem_cache *dic_entry_slab; > > -static void *page_array_alloc(struct inode *inode) > +static void *page_array_alloc(struct inode *inode, int nr) > { > struct f2fs_sb_info *sbi = F2FS_I_SB(inode); > - unsigned int size = sizeof(struct page *) << > - F2FS_I(inode)->i_log_cluster_size; > + unsigned int size = sizeof(struct page *) * nr; > > if (likely(size == sbi->page_array_slab_size)) > return kmem_cache_zalloc(sbi->page_array_slab, GFP_NOFS); > return f2fs_kzalloc(sbi, size, GFP_NOFS); > } > > -static void page_array_free(struct inode *inode, void *pages) > +static void page_array_free(struct inode *inode, void *pages, int nr) > { > struct f2fs_sb_info *sbi = F2FS_I_SB(inode); > - unsigned int size = sizeof(struct page *) << > - F2FS_I(inode)->i_log_cluster_size; > + unsigned int size = sizeof(struct page *) * nr; > > if (!pages) > return; > @@ -162,13 +160,13 @@ int f2fs_init_compress_ctx(struct compress_ctx *cc) > if (cc->rpages) > return 0; > > - cc->rpages = page_array_alloc(cc->inode); > + cc->rpages = page_array_alloc(cc->inode, cc->cluster_size); > return cc->rpages ? 0 : -ENOMEM; > } > > void f2fs_destroy_compress_ctx(struct compress_ctx *cc) > { > - page_array_free(cc->inode, cc->rpages); > + page_array_free(cc->inode, cc->rpages, cc->cluster_size); > cc->rpages = NULL; > cc->nr_rpages = 0; > cc->nr_cpages = 0; > @@ -602,7 +600,8 @@ static int f2fs_compress_pages(struct compress_ctx *cc) > struct f2fs_inode_info *fi = F2FS_I(cc->inode); > const struct f2fs_compress_ops *cops = > f2fs_cops[fi->i_compress_algorithm]; > - unsigned int max_len, nr_cpages; > + unsigned int max_len, new_nr_cpages; > + struct page **new_cpages; > int i, ret; > > trace_f2fs_compress_pages_start(cc->inode, cc->cluster_idx, > @@ -617,7 +616,7 @@ static int f2fs_compress_pages(struct compress_ctx *cc) > max_len = COMPRESS_HEADER_SIZE + cc->clen; > cc->nr_cpages = DIV_ROUND_UP(max_len, PAGE_SIZE); > > - cc->cpages = page_array_alloc(cc->inode); > + cc->cpages = page_array_alloc(cc->inode, cc->nr_cpages); Well, cc->nr_cpages will be set to cc->nr_rpages - 1 for zstd/lz4 cases, so this will make cpages allocation fallback to kmalloc, which can cause more memory use. Thanks, > if (!cc->cpages) { > ret = -ENOMEM; > goto destroy_compress_ctx; > @@ -659,16 +658,28 @@ static int f2fs_compress_pages(struct compress_ctx *cc) > for (i = 0; i < COMPRESS_DATA_RESERVED_SIZE; i++) > cc->cbuf->reserved[i] = cpu_to_le32(0); > > - nr_cpages = DIV_ROUND_UP(cc->clen + COMPRESS_HEADER_SIZE, PAGE_SIZE); > + new_nr_cpages = DIV_ROUND_UP(cc->clen + COMPRESS_HEADER_SIZE, PAGE_SIZE); > + > + /* Now we're going to cut unnecessary tail pages */ > + new_cpages = page_array_alloc(cc->inode, new_nr_cpages); > + if (new_cpages) { > + ret = -ENOMEM; > + goto out_vunmap_cbuf; > + } > > /* zero out any unused part of the last page */ > memset(&cc->cbuf->cdata[cc->clen], 0, > - (nr_cpages * PAGE_SIZE) - (cc->clen + COMPRESS_HEADER_SIZE)); > + (new_nr_cpages * PAGE_SIZE) - > + (cc->clen + COMPRESS_HEADER_SIZE)); > > vm_unmap_ram(cc->cbuf, cc->nr_cpages); > vm_unmap_ram(cc->rbuf, cc->cluster_size); > > - for (i = nr_cpages; i < cc->nr_cpages; i++) { > + for (i = 0; i < cc->nr_cpages; i++) { > + if (i < new_nr_cpages) { > + new_cpages[i] = cc->cpages[i]; > + continue; > + } > f2fs_compress_free_page(cc->cpages[i]); > cc->cpages[i] = NULL; > } > @@ -676,7 +687,9 @@ static int f2fs_compress_pages(struct compress_ctx *cc) > if (cops->destroy_compress_ctx) > cops->destroy_compress_ctx(cc); > > - cc->nr_cpages = nr_cpages; > + page_array_free(cc->inode, cc->cpages, cc->nr_cpages); > + cc->cpages = new_cpages; > + cc->nr_cpages = new_nr_cpages; > > trace_f2fs_compress_pages_end(cc->inode, cc->cluster_idx, > cc->clen, ret); > @@ -691,7 +704,7 @@ static int f2fs_compress_pages(struct compress_ctx *cc) > if (cc->cpages[i]) > f2fs_compress_free_page(cc->cpages[i]); > } > - page_array_free(cc->inode, cc->cpages); > + page_array_free(cc->inode, cc->cpages, cc->nr_cpages); > cc->cpages = NULL; > destroy_compress_ctx: > if (cops->destroy_compress_ctx) > @@ -730,7 +743,7 @@ void f2fs_decompress_pages(struct bio *bio, struct page *page, bool verity) > goto out_free_dic; > } > > - dic->tpages = page_array_alloc(dic->inode); > + dic->tpages = page_array_alloc(dic->inode, dic->cluster_size); > if (!dic->tpages) { > ret = -ENOMEM; > goto out_free_dic; > @@ -1203,7 +1216,7 @@ static int f2fs_write_compressed_pages(struct compress_ctx *cc, > cic->magic = F2FS_COMPRESSED_PAGE_MAGIC; > cic->inode = inode; > atomic_set(&cic->pending_pages, cc->nr_cpages); > - cic->rpages = page_array_alloc(cc->inode); > + cic->rpages = page_array_alloc(cc->inode, cc->cluster_size); > if (!cic->rpages) > goto out_put_cic; > > @@ -1297,11 +1310,13 @@ static int f2fs_write_compressed_pages(struct compress_ctx *cc, > spin_unlock(&fi->i_size_lock); > > f2fs_put_rpages(cc); > + page_array_free(cc->inode, cc->cpages, cc->nr_cpages); > + cc->cpages = NULL; > f2fs_destroy_compress_ctx(cc); > return 0; > > out_destroy_crypt: > - page_array_free(cc->inode, cic->rpages); > + page_array_free(cc->inode, cic->rpages, cc->cluster_size); > > for (--i; i >= 0; i--) > fscrypt_finalize_bounce_page(&cc->cpages[i]); > @@ -1310,6 +1325,8 @@ static int f2fs_write_compressed_pages(struct compress_ctx *cc, > continue; > f2fs_put_page(cc->cpages[i], 1); > } > + page_array_free(cc->inode, cc->cpages, cc->nr_cpages); > + cc->cpages = NULL; > out_put_cic: > kmem_cache_free(cic_entry_slab, cic); > out_put_dnode: > @@ -1345,7 +1362,7 @@ void f2fs_compress_write_end_io(struct bio *bio, struct page *page) > end_page_writeback(cic->rpages[i]); > } > > - page_array_free(cic->inode, cic->rpages); > + page_array_free(cic->inode, cic->rpages, cic->nr_rpages); > kmem_cache_free(cic_entry_slab, cic); > } > > @@ -1442,8 +1459,6 @@ int f2fs_write_multi_pages(struct compress_ctx *cc, > > err = f2fs_write_compressed_pages(cc, submitted, > wbc, io_type); > - page_array_free(cc->inode, cc->cpages); > - cc->cpages = NULL; > if (!err) > return 0; > f2fs_bug_on(F2FS_I_SB(cc->inode), err != -EAGAIN); > @@ -1468,7 +1483,7 @@ struct decompress_io_ctx *f2fs_alloc_dic(struct compress_ctx *cc) > if (!dic) > return ERR_PTR(-ENOMEM); > > - dic->rpages = page_array_alloc(cc->inode); > + dic->rpages = page_array_alloc(cc->inode, cc->cluster_size); > if (!dic->rpages) { > kmem_cache_free(dic_entry_slab, dic); > return ERR_PTR(-ENOMEM); > @@ -1487,7 +1502,7 @@ struct decompress_io_ctx *f2fs_alloc_dic(struct compress_ctx *cc) > dic->rpages[i] = cc->rpages[i]; > dic->nr_rpages = cc->cluster_size; > > - dic->cpages = page_array_alloc(dic->inode); > + dic->cpages = page_array_alloc(dic->inode, dic->nr_cpages); > if (!dic->cpages) > goto out_free; > > @@ -1522,7 +1537,7 @@ void f2fs_free_dic(struct decompress_io_ctx *dic) > continue; > f2fs_compress_free_page(dic->tpages[i]); > } > - page_array_free(dic->inode, dic->tpages); > + page_array_free(dic->inode, dic->tpages, dic->cluster_size); > } > > if (dic->cpages) { > @@ -1531,10 +1546,10 @@ void f2fs_free_dic(struct decompress_io_ctx *dic) > continue; > f2fs_compress_free_page(dic->cpages[i]); > } > - page_array_free(dic->inode, dic->cpages); > + page_array_free(dic->inode, dic->cpages, dic->nr_cpages); > } > > - page_array_free(dic->inode, dic->rpages); > + page_array_free(dic->inode, dic->rpages, dic->nr_rpages); > kmem_cache_free(dic_entry_slab, dic); > } > > _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel