From nobody Tue Apr 7 09:37:07 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 30489C433FE for ; Thu, 13 Oct 2022 22:58:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229710AbiJMW6L (ORCPT ); Thu, 13 Oct 2022 18:58:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35758 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229716AbiJMW6B (ORCPT ); Thu, 13 Oct 2022 18:58:01 -0400 Received: from mail-pj1-x102c.google.com (mail-pj1-x102c.google.com [IPv6:2607:f8b0:4864:20::102c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D3B2C1781CB; Thu, 13 Oct 2022 15:57:40 -0700 (PDT) Received: by mail-pj1-x102c.google.com with SMTP id o17-20020a17090aac1100b0020d98b0c0f4so4869042pjq.4; Thu, 13 Oct 2022 15:57:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=+bEHZ50zknAWwSVuOVaZwKs7lBVx2eJBqBhuGaU+czo=; b=ndxCRoPIBtnV9yEqkqucLK7MfB1wgTbMmFclk3YlLb9LdvyU8Uqv32QJ6f5wTNu8/R TlJN84PpYGoMrB/GPwe1yxye1V3FeVIAEag5FiMbDYDX1Fxxru79roOszf2wPUCra0aP UfcPQhCkoShcf9j4koPyS5XqxAa6yWaEpZ+NMDzT1ayTaebUPMI2/RrzXI0GlFF5SaC3 le1iLIbqoUihFxV7P984n+1YNPoAaFQuhLTsXhFl31MggzZJ41qQel0zrKaNSGNEt63T SIqzmKClO7Ne1AK9+vdhoLPLFOI1+KlmzoixfTR8yBRhoMVAub6D7B5wZWTbMYb2Jq1B mPrQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=+bEHZ50zknAWwSVuOVaZwKs7lBVx2eJBqBhuGaU+czo=; b=4lpQoNheb7IbK9eRz0IUNxfpHgAsws/OaWxPALDsyOAjyL92P0Isvbwr9v0K8196xC JCTvkOFSFtb4IyM6U+vorcGpNeb4x+7D/cwujwmvyNMI4VxzqwNwU16bCFLpG2CoImt3 zFGtg5Wpjc3xrW3ePmGlqiuLopO4o/+h46DNMWMUHxkOGGHBOT8/oBSSFuK/Jclc/QzT FEAr9jqX7jfYA5YH3+2OfXqJqSnFKX91UWMaiYVmueFPQSq2PHHOPyYxbOUQelc8RPi9 r4zZD2nHTOmYALo/w6SUk+tu7mKnWiaCqJUYU3TJM3cQUnk0CPXZxui2+EeAPpTneGOG jkeQ== X-Gm-Message-State: ACrzQf08dqeC087ix57LMEtNDmJY4cucNk2rQnLEzrGMksNKW3rOAv25 ZZGLjpdcNCULOJ7epn0dchY= X-Google-Smtp-Source: AMsMyM4c1cHRSG98hG5/OvxLX0FDFpQEhZl0xEjE8zZokv+3BiL6i+jp5GFbLHdoyKu7cO8oxCo9Uw== X-Received: by 2002:a17:903:30d4:b0:184:fadd:ec27 with SMTP id s20-20020a17090330d400b00184faddec27mr2063368plc.44.1665701849770; Thu, 13 Oct 2022 15:57:29 -0700 (PDT) Received: from vmfolio.. (c-76-102-73-225.hsd1.ca.comcast.net. [76.102.73.225]) by smtp.googlemail.com with ESMTPSA id lx4-20020a17090b4b0400b001fde655225fsm7480269pjb.2.2022.10.13.15.57.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Oct 2022 15:57:28 -0700 (PDT) From: "Vishal Moola (Oracle)" To: akpm@linux-foundation.org Cc: willy@infradead.org, hughd@google.com, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, "Vishal Moola (Oracle)" Subject: [PATCH v2 1/2] filemap: find_lock_entries() now updates start offset Date: Thu, 13 Oct 2022 15:57:07 -0700 Message-Id: <20221013225708.1879-2-vishal.moola@gmail.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20221013225708.1879-1-vishal.moola@gmail.com> References: <20221013225708.1879-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Initially, find_lock_entries() was being passed in the start offset as a value. That left the calculation of the offset to the callers. This led to complexity in the callers trying to keep track of the index. Now find_lock_entires() takes in a pointer to the start offset and updates the value to be directly after the last entry found. If no entry is found, the offset is not changed. This gets rid of multiple hacky calculations that kept track of the start offset. Signed-off-by: Vishal Moola (Oracle) Reviewed-by: Matthew Wilcox (Oracle) --- mm/filemap.c | 17 +++++++++++++---- mm/internal.h | 2 +- mm/shmem.c | 8 ++------ mm/truncate.c | 11 +++-------- 4 files changed, 19 insertions(+), 19 deletions(-) diff --git a/mm/filemap.c b/mm/filemap.c index c943d1b90cc2..b6aaded95132 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -2090,16 +2090,16 @@ unsigned find_get_entries(struct address_space *map= ping, pgoff_t start, * * Return: The number of entries which were found. */ -unsigned find_lock_entries(struct address_space *mapping, pgoff_t start, +unsigned find_lock_entries(struct address_space *mapping, pgoff_t *start, pgoff_t end, struct folio_batch *fbatch, pgoff_t *indices) { - XA_STATE(xas, &mapping->i_pages, start); + XA_STATE(xas, &mapping->i_pages, *start); struct folio *folio; =20 rcu_read_lock(); while ((folio =3D find_get_entry(&xas, end, XA_PRESENT))) { if (!xa_is_value(folio)) { - if (folio->index < start) + if (folio->index < *start) goto put; if (folio->index + folio_nr_pages(folio) - 1 > end) goto put; @@ -2120,8 +2120,17 @@ unsigned find_lock_entries(struct address_space *map= ping, pgoff_t start, put: folio_put(folio); } - rcu_read_unlock(); =20 + if (folio_batch_count(fbatch)) { + unsigned long nr =3D 1; + int idx =3D folio_batch_count(fbatch) - 1; + + folio =3D fbatch->folios[idx]; + if (!xa_is_value(folio) && !folio_test_hugetlb(folio)) + nr =3D folio_nr_pages(folio); + *start =3D indices[idx] + nr; + } + rcu_read_unlock(); return folio_batch_count(fbatch); } =20 diff --git a/mm/internal.h b/mm/internal.h index 785409805ed7..14625de6714b 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -104,7 +104,7 @@ static inline void force_page_cache_readahead(struct ad= dress_space *mapping, force_page_cache_ra(&ractl, nr_to_read); } =20 -unsigned find_lock_entries(struct address_space *mapping, pgoff_t start, +unsigned find_lock_entries(struct address_space *mapping, pgoff_t *start, pgoff_t end, struct folio_batch *fbatch, pgoff_t *indices); unsigned find_get_entries(struct address_space *mapping, pgoff_t start, pgoff_t end, struct folio_batch *fbatch, pgoff_t *indices); diff --git a/mm/shmem.c b/mm/shmem.c index 42e5888bf84d..9e17a2b0dc43 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -932,21 +932,18 @@ static void shmem_undo_range(struct inode *inode, lof= f_t lstart, loff_t lend, =20 folio_batch_init(&fbatch); index =3D start; - while (index < end && find_lock_entries(mapping, index, end - 1, + while (index < end && find_lock_entries(mapping, &index, end - 1, &fbatch, indices)) { for (i =3D 0; i < folio_batch_count(&fbatch); i++) { folio =3D fbatch.folios[i]; =20 - index =3D indices[i]; - if (xa_is_value(folio)) { if (unfalloc) continue; nr_swaps_freed +=3D !shmem_free_swap(mapping, - index, folio); + indices[i], folio); continue; } - index +=3D folio_nr_pages(folio) - 1; =20 if (!unfalloc || !folio_test_uptodate(folio)) truncate_inode_folio(mapping, folio); @@ -955,7 +952,6 @@ static void shmem_undo_range(struct inode *inode, loff_= t lstart, loff_t lend, folio_batch_remove_exceptionals(&fbatch); folio_batch_release(&fbatch); cond_resched(); - index++; } =20 same_folio =3D (lstart >> PAGE_SHIFT) =3D=3D (lend >> PAGE_SHIFT); diff --git a/mm/truncate.c b/mm/truncate.c index 0b0708bf935f..9fbe282e70ba 100644 --- a/mm/truncate.c +++ b/mm/truncate.c @@ -361,9 +361,8 @@ void truncate_inode_pages_range(struct address_space *m= apping, =20 folio_batch_init(&fbatch); index =3D start; - while (index < end && find_lock_entries(mapping, index, end - 1, + while (index < end && find_lock_entries(mapping, &index, end - 1, &fbatch, indices)) { - index =3D indices[folio_batch_count(&fbatch) - 1] + 1; truncate_folio_batch_exceptionals(mapping, &fbatch, indices); for (i =3D 0; i < folio_batch_count(&fbatch); i++) truncate_cleanup_folio(fbatch.folios[i]); @@ -510,20 +509,17 @@ unsigned long invalidate_mapping_pagevec(struct addre= ss_space *mapping, int i; =20 folio_batch_init(&fbatch); - while (find_lock_entries(mapping, index, end, &fbatch, indices)) { + while (find_lock_entries(mapping, &index, end, &fbatch, indices)) { for (i =3D 0; i < folio_batch_count(&fbatch); i++) { struct folio *folio =3D fbatch.folios[i]; =20 /* We rely upon deletion not changing folio->index */ - index =3D indices[i]; =20 if (xa_is_value(folio)) { count +=3D invalidate_exceptional_entry(mapping, - index, - folio); + indices[i], folio); continue; } - index +=3D folio_nr_pages(folio) - 1; =20 ret =3D mapping_evict_folio(mapping, folio); folio_unlock(folio); @@ -542,7 +538,6 @@ unsigned long invalidate_mapping_pagevec(struct address= _space *mapping, folio_batch_remove_exceptionals(&fbatch); folio_batch_release(&fbatch); cond_resched(); - index++; } return count; } --=20 2.36.1 From nobody Tue Apr 7 09:37:07 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 85792C43217 for ; Thu, 13 Oct 2022 22:58:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229774AbiJMW6Q (ORCPT ); Thu, 13 Oct 2022 18:58:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35796 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229788AbiJMW6E (ORCPT ); Thu, 13 Oct 2022 18:58:04 -0400 Received: from mail-pl1-x633.google.com (mail-pl1-x633.google.com [IPv6:2607:f8b0:4864:20::633]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2901F1781CF; Thu, 13 Oct 2022 15:57:41 -0700 (PDT) Received: by mail-pl1-x633.google.com with SMTP id f23so3135178plr.6; Thu, 13 Oct 2022 15:57:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=N9bFubddI7+LphibKGGsyeFrDKSrtJVqH6WoZiz/0OA=; b=izj+aFrM2A2YLCP8N2Z1OeEPjJ3QDtEAYp3/EAZxWX84usO2nGiTCNwPOiEljhuObH GT8PZO9wo+C0EyBnKLTSwja7tYV0oUy39jQjvPjZcZrlpZdvh1AUvw47wgTod2EV1O4A Q6l91qtcBv3ko1ZYGIBptB3q4weFCVJAh9/Ft/SPwRBv/CrXPsVeAgBy1AzvRGxBYRnm f4lF2st1UCtoh7vPNM512wR2oK64S1kRtc7ZbkHaJWWhlkw9uo2CPiklkzNZ4waG5O9b gYoLljt/LHA1LuLDXW1tyRh637U72Kb9ZTpV2yXjrNfw4t+Y/rRgYOWFSTxkBYm9vM5S LI0Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=N9bFubddI7+LphibKGGsyeFrDKSrtJVqH6WoZiz/0OA=; b=kghgYM2Cm9oiwv2aPGLXZlZ2DcBLFh95BCPWW/VuiMyVikJ1RCDsVkKADJTzz5vLqJ KKv+lyspvsd/pueD1FSgVp6JjUE7/FATEhBm8F663o+e3umhr2thp8hy3+hfG6PHb+qy ApH1ezYPZYWoFhF6NUi7fHM2PmitqGf/GD624sbIX6dy/SfTHRh4lisSBMQVXyVPlZvP 4ExpbRQkmGD6/A7ZKtOcEDKj/PulidtglhlHMwGyoORIGGLgHTHOdf+zDYGUSWglulCw RJOioI7zKQWF3FB3HVXaU6z0S2QBGYg30nuDm1ED9jtcT75UCC4RC3xq6r0tETGH9emE Ndhw== X-Gm-Message-State: ACrzQf01d0RFbCgGbsjQDM2jED2zoLkUX2Hp0LiSyyy0APuja2GFurjJ wpkni0bm3df12PnT9ODlaHHhS1Glsn4qOg== X-Google-Smtp-Source: AMsMyM4+mX8wZ+lqkAPXL//k45qm7r2YiR8F+rJTouER/FcREWcnYsnlEXuxCOR0dVytZN+0gT0GjQ== X-Received: by 2002:a17:90b:384:b0:20d:aa78:92da with SMTP id ga4-20020a17090b038400b0020daa7892damr5173642pjb.159.1665701851641; Thu, 13 Oct 2022 15:57:31 -0700 (PDT) Received: from vmfolio.. (c-76-102-73-225.hsd1.ca.comcast.net. [76.102.73.225]) by smtp.googlemail.com with ESMTPSA id lx4-20020a17090b4b0400b001fde655225fsm7480269pjb.2.2022.10.13.15.57.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Oct 2022 15:57:30 -0700 (PDT) From: "Vishal Moola (Oracle)" To: akpm@linux-foundation.org Cc: willy@infradead.org, hughd@google.com, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, "Vishal Moola (Oracle)" Subject: [PATCH v2 2/2] filemap: find_get_entries() now updates start offset Date: Thu, 13 Oct 2022 15:57:08 -0700 Message-Id: <20221013225708.1879-3-vishal.moola@gmail.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20221013225708.1879-1-vishal.moola@gmail.com> References: <20221013225708.1879-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Initially, find_get_entries() was being passed in the start offset as a value. That left the calculation of the offset to the callers. This led to complexity in the callers trying to keep track of the index. Now find_get_entires() takes in a pointer to the start offset and updates the value to be directly after the last entry found. If no entry is found, the offset is not changed. This gets rid of multiple hacky calculations that kept track of the start offset. Signed-off-by: Vishal Moola (Oracle) --- mm/filemap.c | 15 ++++++++++++--- mm/internal.h | 2 +- mm/shmem.c | 11 ++++------- mm/truncate.c | 19 +++++++------------ 4 files changed, 24 insertions(+), 23 deletions(-) diff --git a/mm/filemap.c b/mm/filemap.c index b6aaded95132..ed66fecf06d9 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -2053,10 +2053,10 @@ static inline struct folio *find_get_entry(struct x= a_state *xas, pgoff_t max, * * Return: The number of entries which were found. */ -unsigned find_get_entries(struct address_space *mapping, pgoff_t start, +unsigned find_get_entries(struct address_space *mapping, pgoff_t *start, pgoff_t end, struct folio_batch *fbatch, pgoff_t *indices) { - XA_STATE(xas, &mapping->i_pages, start); + XA_STATE(xas, &mapping->i_pages, *start); struct folio *folio; =20 rcu_read_lock(); @@ -2065,8 +2065,17 @@ unsigned find_get_entries(struct address_space *mapp= ing, pgoff_t start, if (!folio_batch_add(fbatch, folio)) break; } - rcu_read_unlock(); =20 + if (folio_batch_count(fbatch)) { + unsigned long nr =3D 1; + int idx =3D folio_batch_count(fbatch) - 1; + + folio =3D fbatch->folios[idx]; + if (!xa_is_value(folio) && !folio_test_hugetlb(folio)) + nr =3D folio_nr_pages(folio); + *start =3D indices[idx] + nr; + } + rcu_read_unlock(); return folio_batch_count(fbatch); } =20 diff --git a/mm/internal.h b/mm/internal.h index 14625de6714b..e87982cf1d48 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -106,7 +106,7 @@ static inline void force_page_cache_readahead(struct ad= dress_space *mapping, =20 unsigned find_lock_entries(struct address_space *mapping, pgoff_t *start, pgoff_t end, struct folio_batch *fbatch, pgoff_t *indices); -unsigned find_get_entries(struct address_space *mapping, pgoff_t start, +unsigned find_get_entries(struct address_space *mapping, pgoff_t *start, pgoff_t end, struct folio_batch *fbatch, pgoff_t *indices); void filemap_free_folio(struct address_space *mapping, struct folio *folio= ); int truncate_inode_folio(struct address_space *mapping, struct folio *foli= o); diff --git a/mm/shmem.c b/mm/shmem.c index 9e17a2b0dc43..8c3c2ac15759 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -983,7 +983,7 @@ static void shmem_undo_range(struct inode *inode, loff_= t lstart, loff_t lend, while (index < end) { cond_resched(); =20 - if (!find_get_entries(mapping, index, end - 1, &fbatch, + if (!find_get_entries(mapping, &index, end - 1, &fbatch, indices)) { /* If all gone or hole-punch or unfalloc, we're done */ if (index =3D=3D start || end !=3D -1) @@ -995,13 +995,12 @@ static void shmem_undo_range(struct inode *inode, lof= f_t lstart, loff_t lend, for (i =3D 0; i < folio_batch_count(&fbatch); i++) { folio =3D fbatch.folios[i]; =20 - index =3D indices[i]; if (xa_is_value(folio)) { if (unfalloc) continue; - if (shmem_free_swap(mapping, index, folio)) { + if (shmem_free_swap(mapping, indices[i], folio)) { /* Swap was replaced by page: retry */ - index--; + index =3D indices[i]; break; } nr_swaps_freed++; @@ -1014,19 +1013,17 @@ static void shmem_undo_range(struct inode *inode, l= off_t lstart, loff_t lend, if (folio_mapping(folio) !=3D mapping) { /* Page was replaced by swap: retry */ folio_unlock(folio); - index--; + index =3D indices[i]; break; } VM_BUG_ON_FOLIO(folio_test_writeback(folio), folio); truncate_inode_folio(mapping, folio); } - index =3D folio->index + folio_nr_pages(folio) - 1; folio_unlock(folio); } folio_batch_remove_exceptionals(&fbatch); folio_batch_release(&fbatch); - index++; } =20 spin_lock_irq(&info->lock); diff --git a/mm/truncate.c b/mm/truncate.c index 9fbe282e70ba..faeeca45d4ed 100644 --- a/mm/truncate.c +++ b/mm/truncate.c @@ -400,7 +400,7 @@ void truncate_inode_pages_range(struct address_space *m= apping, index =3D start; while (index < end) { cond_resched(); - if (!find_get_entries(mapping, index, end - 1, &fbatch, + if (!find_get_entries(mapping, &index, end - 1, &fbatch, indices)) { /* If all gone from start onwards, we're done */ if (index =3D=3D start) @@ -414,21 +414,18 @@ void truncate_inode_pages_range(struct address_space = *mapping, struct folio *folio =3D fbatch.folios[i]; =20 /* We rely upon deletion not changing page->index */ - index =3D indices[i]; =20 if (xa_is_value(folio)) continue; =20 folio_lock(folio); - VM_BUG_ON_FOLIO(!folio_contains(folio, index), folio); + VM_BUG_ON_FOLIO(!folio_contains(folio, indices[i]), folio); folio_wait_writeback(folio); truncate_inode_folio(mapping, folio); folio_unlock(folio); - index =3D folio_index(folio) + folio_nr_pages(folio) - 1; } truncate_folio_batch_exceptionals(mapping, &fbatch, indices); folio_batch_release(&fbatch); - index++; } } EXPORT_SYMBOL(truncate_inode_pages_range); @@ -636,16 +633,15 @@ int invalidate_inode_pages2_range(struct address_spac= e *mapping, =20 folio_batch_init(&fbatch); index =3D start; - while (find_get_entries(mapping, index, end, &fbatch, indices)) { + while (find_get_entries(mapping, &index, end, &fbatch, indices)) { for (i =3D 0; i < folio_batch_count(&fbatch); i++) { struct folio *folio =3D fbatch.folios[i]; =20 /* We rely upon deletion not changing folio->index */ - index =3D indices[i]; =20 if (xa_is_value(folio)) { if (!invalidate_exceptional_entry2(mapping, - index, folio)) + indices[i], folio)) ret =3D -EBUSY; continue; } @@ -655,13 +651,13 @@ int invalidate_inode_pages2_range(struct address_spac= e *mapping, * If folio is mapped, before taking its lock, * zap the rest of the file in one hit. */ - unmap_mapping_pages(mapping, index, - (1 + end - index), false); + unmap_mapping_pages(mapping, indices[i], + (1 + end - indices[i]), false); did_range_unmap =3D 1; } =20 folio_lock(folio); - VM_BUG_ON_FOLIO(!folio_contains(folio, index), folio); + VM_BUG_ON_FOLIO(!folio_contains(folio, indices[i]), folio); if (folio->mapping !=3D mapping) { folio_unlock(folio); continue; @@ -684,7 +680,6 @@ int invalidate_inode_pages2_range(struct address_space = *mapping, folio_batch_remove_exceptionals(&fbatch); folio_batch_release(&fbatch); cond_resched(); - index++; } /* * For DAX we invalidate page tables after invalidating page cache. We --=20 2.36.1