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bh=POtix34cgVLHIWAr6V/+vods6tfIIWE5jxcq1dmOxpA=; b=TdjUwbV1WYqCDQxCvOIbDx1YAG HBbpVx6i5hOVRkMpNKHX7EhecFEIFw/eBHT+0u2Fuwv9t+XT6XzRWovIB7eolQQHftW5VXtQnrjGo na/dCuQCJVGXyDFKupb53r+7/c+aY4HP4dT/Xs1Oq3fcy2ik62esrCQLAAwMIlZJSbq4=; Received: from mail.kernel.org ([198.145.29.99]) by sfi-mx-4.v28.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.92.2) id 1k99hB-003Hoy-Ks for linux-f2fs-devel@lists.sourceforge.net; Fri, 21 Aug 2020 16:15:20 +0000 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 77C4E208DB; Fri, 21 Aug 2020 16:15:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598026508; bh=7fjFLIsTqnSFkiv9FxGdWLfmOR4oIofh6Qr9kJBFbQg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NaFFtqzE0mFjwtQXetUKV2YFfoIpFmSmHUH+vy4vDZevVD6+zTiVr/VpQO3XB/bOp ypUgrnzwx7L3WHYii0gq8d0LWolOk/Us1jsTDXcGy0DnrxIIZD6wCDxnwY483hBqbe HgjeTNMNH/d9+KK6KxGo4og1BheaT7Tb1LfqEIKk= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Date: Fri, 21 Aug 2020 12:13:56 -0400 Message-Id: <20200821161423.347071-35-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200821161423.347071-1-sashal@kernel.org> References: <20200821161423.347071-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-Headers-End: 1k99hB-003Hoy-Ks Subject: [f2fs-dev] [PATCH AUTOSEL 5.8 35/62] f2fs: fix error path in do_recover_data() 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: Sasha Levin , Jaegeuk Kim , linux-f2fs-devel@lists.sourceforge.net Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net From: Chao Yu [ Upstream commit 9627a7b31f3c4ff8bc8f3be3683983ffe6eaebe6 ] - don't panic kernel if f2fs_get_node_page() fails in f2fs_recover_inline_data() or f2fs_recover_inline_xattr(); - return error number of f2fs_truncate_blocks() to f2fs_recover_inline_data()'s caller; Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim Signed-off-by: Sasha Levin --- fs/f2fs/f2fs.h | 4 ++-- fs/f2fs/inline.c | 19 ++++++++++++------- fs/f2fs/node.c | 6 ++++-- fs/f2fs/recovery.c | 10 ++++++++-- 4 files changed, 26 insertions(+), 13 deletions(-) diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index b35a50f4953c5..7d9afd54e9d8f 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -3287,7 +3287,7 @@ bool f2fs_alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid); void f2fs_alloc_nid_done(struct f2fs_sb_info *sbi, nid_t nid); void f2fs_alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid); int f2fs_try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink); -void f2fs_recover_inline_xattr(struct inode *inode, struct page *page); +int f2fs_recover_inline_xattr(struct inode *inode, struct page *page); int f2fs_recover_xattr_data(struct inode *inode, struct page *page); int f2fs_recover_inode_page(struct f2fs_sb_info *sbi, struct page *page); int f2fs_restore_node_summary(struct f2fs_sb_info *sbi, @@ -3750,7 +3750,7 @@ int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page); int f2fs_convert_inline_inode(struct inode *inode); int f2fs_try_convert_inline_dir(struct inode *dir, struct dentry *dentry); int f2fs_write_inline_data(struct inode *inode, struct page *page); -bool f2fs_recover_inline_data(struct inode *inode, struct page *npage); +int f2fs_recover_inline_data(struct inode *inode, struct page *npage); struct f2fs_dir_entry *f2fs_find_in_inline_dir(struct inode *dir, const struct f2fs_filename *fname, struct page **res_page); diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c index dbade310dc792..cf2c347bd7a3d 100644 --- a/fs/f2fs/inline.c +++ b/fs/f2fs/inline.c @@ -253,7 +253,7 @@ int f2fs_write_inline_data(struct inode *inode, struct page *page) return 0; } -bool f2fs_recover_inline_data(struct inode *inode, struct page *npage) +int f2fs_recover_inline_data(struct inode *inode, struct page *npage) { struct f2fs_sb_info *sbi = F2FS_I_SB(inode); struct f2fs_inode *ri = NULL; @@ -275,7 +275,8 @@ bool f2fs_recover_inline_data(struct inode *inode, struct page *npage) ri && (ri->i_inline & F2FS_INLINE_DATA)) { process_inline: ipage = f2fs_get_node_page(sbi, inode->i_ino); - f2fs_bug_on(sbi, IS_ERR(ipage)); + if (IS_ERR(ipage)) + return PTR_ERR(ipage); f2fs_wait_on_page_writeback(ipage, NODE, true, true); @@ -288,21 +289,25 @@ bool f2fs_recover_inline_data(struct inode *inode, struct page *npage) set_page_dirty(ipage); f2fs_put_page(ipage, 1); - return true; + return 1; } if (f2fs_has_inline_data(inode)) { ipage = f2fs_get_node_page(sbi, inode->i_ino); - f2fs_bug_on(sbi, IS_ERR(ipage)); + if (IS_ERR(ipage)) + return PTR_ERR(ipage); f2fs_truncate_inline_inode(inode, ipage, 0); clear_inode_flag(inode, FI_INLINE_DATA); f2fs_put_page(ipage, 1); } else if (ri && (ri->i_inline & F2FS_INLINE_DATA)) { - if (f2fs_truncate_blocks(inode, 0, false)) - return false; + int ret; + + ret = f2fs_truncate_blocks(inode, 0, false); + if (ret) + return ret; goto process_inline; } - return false; + return 0; } struct f2fs_dir_entry *f2fs_find_in_inline_dir(struct inode *dir, diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 03e24df1c84f5..ba0dd10d5746b 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -2572,7 +2572,7 @@ int f2fs_try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink) return nr - nr_shrink; } -void f2fs_recover_inline_xattr(struct inode *inode, struct page *page) +int f2fs_recover_inline_xattr(struct inode *inode, struct page *page) { void *src_addr, *dst_addr; size_t inline_size; @@ -2580,7 +2580,8 @@ void f2fs_recover_inline_xattr(struct inode *inode, struct page *page) struct f2fs_inode *ri; ipage = f2fs_get_node_page(F2FS_I_SB(inode), inode->i_ino); - f2fs_bug_on(F2FS_I_SB(inode), IS_ERR(ipage)); + if (IS_ERR(ipage)) + return PTR_ERR(ipage); ri = F2FS_INODE(page); if (ri->i_inline & F2FS_INLINE_XATTR) { @@ -2599,6 +2600,7 @@ void f2fs_recover_inline_xattr(struct inode *inode, struct page *page) update_inode: f2fs_update_inode(inode, ipage); f2fs_put_page(ipage, 1); + return 0; } int f2fs_recover_xattr_data(struct inode *inode, struct page *page) diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c index ae5310f02e7ff..2807251944668 100644 --- a/fs/f2fs/recovery.c +++ b/fs/f2fs/recovery.c @@ -544,7 +544,9 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode, /* step 1: recover xattr */ if (IS_INODE(page)) { - f2fs_recover_inline_xattr(inode, page); + err = f2fs_recover_inline_xattr(inode, page); + if (err) + goto out; } else if (f2fs_has_xattr_block(ofs_of_node(page))) { err = f2fs_recover_xattr_data(inode, page); if (!err) @@ -553,8 +555,12 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode, } /* step 2: recover inline data */ - if (f2fs_recover_inline_data(inode, page)) + err = f2fs_recover_inline_data(inode, page); + if (err) { + if (err == 1) + err = 0; goto out; + } /* step 3: recover data indices */ start = f2fs_start_bidx_of_node(ofs_of_node(page), inode); -- 2.25.1 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel 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=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 13015C433DF for ; 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Fri, 21 Aug 2020 16:15:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598026508; bh=7fjFLIsTqnSFkiv9FxGdWLfmOR4oIofh6Qr9kJBFbQg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NaFFtqzE0mFjwtQXetUKV2YFfoIpFmSmHUH+vy4vDZevVD6+zTiVr/VpQO3XB/bOp ypUgrnzwx7L3WHYii0gq8d0LWolOk/Us1jsTDXcGy0DnrxIIZD6wCDxnwY483hBqbe HgjeTNMNH/d9+KK6KxGo4og1BheaT7Tb1LfqEIKk= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Chao Yu , Jaegeuk Kim , Sasha Levin , linux-f2fs-devel@lists.sourceforge.net Subject: [PATCH AUTOSEL 5.8 35/62] f2fs: fix error path in do_recover_data() Date: Fri, 21 Aug 2020 12:13:56 -0400 Message-Id: <20200821161423.347071-35-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200821161423.347071-1-sashal@kernel.org> References: <20200821161423.347071-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Chao Yu [ Upstream commit 9627a7b31f3c4ff8bc8f3be3683983ffe6eaebe6 ] - don't panic kernel if f2fs_get_node_page() fails in f2fs_recover_inline_data() or f2fs_recover_inline_xattr(); - return error number of f2fs_truncate_blocks() to f2fs_recover_inline_data()'s caller; Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim Signed-off-by: Sasha Levin --- fs/f2fs/f2fs.h | 4 ++-- fs/f2fs/inline.c | 19 ++++++++++++------- fs/f2fs/node.c | 6 ++++-- fs/f2fs/recovery.c | 10 ++++++++-- 4 files changed, 26 insertions(+), 13 deletions(-) diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index b35a50f4953c5..7d9afd54e9d8f 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -3287,7 +3287,7 @@ bool f2fs_alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid); void f2fs_alloc_nid_done(struct f2fs_sb_info *sbi, nid_t nid); void f2fs_alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid); int f2fs_try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink); -void f2fs_recover_inline_xattr(struct inode *inode, struct page *page); +int f2fs_recover_inline_xattr(struct inode *inode, struct page *page); int f2fs_recover_xattr_data(struct inode *inode, struct page *page); int f2fs_recover_inode_page(struct f2fs_sb_info *sbi, struct page *page); int f2fs_restore_node_summary(struct f2fs_sb_info *sbi, @@ -3750,7 +3750,7 @@ int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page); int f2fs_convert_inline_inode(struct inode *inode); int f2fs_try_convert_inline_dir(struct inode *dir, struct dentry *dentry); int f2fs_write_inline_data(struct inode *inode, struct page *page); -bool f2fs_recover_inline_data(struct inode *inode, struct page *npage); +int f2fs_recover_inline_data(struct inode *inode, struct page *npage); struct f2fs_dir_entry *f2fs_find_in_inline_dir(struct inode *dir, const struct f2fs_filename *fname, struct page **res_page); diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c index dbade310dc792..cf2c347bd7a3d 100644 --- a/fs/f2fs/inline.c +++ b/fs/f2fs/inline.c @@ -253,7 +253,7 @@ int f2fs_write_inline_data(struct inode *inode, struct page *page) return 0; } -bool f2fs_recover_inline_data(struct inode *inode, struct page *npage) +int f2fs_recover_inline_data(struct inode *inode, struct page *npage) { struct f2fs_sb_info *sbi = F2FS_I_SB(inode); struct f2fs_inode *ri = NULL; @@ -275,7 +275,8 @@ bool f2fs_recover_inline_data(struct inode *inode, struct page *npage) ri && (ri->i_inline & F2FS_INLINE_DATA)) { process_inline: ipage = f2fs_get_node_page(sbi, inode->i_ino); - f2fs_bug_on(sbi, IS_ERR(ipage)); + if (IS_ERR(ipage)) + return PTR_ERR(ipage); f2fs_wait_on_page_writeback(ipage, NODE, true, true); @@ -288,21 +289,25 @@ bool f2fs_recover_inline_data(struct inode *inode, struct page *npage) set_page_dirty(ipage); f2fs_put_page(ipage, 1); - return true; + return 1; } if (f2fs_has_inline_data(inode)) { ipage = f2fs_get_node_page(sbi, inode->i_ino); - f2fs_bug_on(sbi, IS_ERR(ipage)); + if (IS_ERR(ipage)) + return PTR_ERR(ipage); f2fs_truncate_inline_inode(inode, ipage, 0); clear_inode_flag(inode, FI_INLINE_DATA); f2fs_put_page(ipage, 1); } else if (ri && (ri->i_inline & F2FS_INLINE_DATA)) { - if (f2fs_truncate_blocks(inode, 0, false)) - return false; + int ret; + + ret = f2fs_truncate_blocks(inode, 0, false); + if (ret) + return ret; goto process_inline; } - return false; + return 0; } struct f2fs_dir_entry *f2fs_find_in_inline_dir(struct inode *dir, diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 03e24df1c84f5..ba0dd10d5746b 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -2572,7 +2572,7 @@ int f2fs_try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink) return nr - nr_shrink; } -void f2fs_recover_inline_xattr(struct inode *inode, struct page *page) +int f2fs_recover_inline_xattr(struct inode *inode, struct page *page) { void *src_addr, *dst_addr; size_t inline_size; @@ -2580,7 +2580,8 @@ void f2fs_recover_inline_xattr(struct inode *inode, struct page *page) struct f2fs_inode *ri; ipage = f2fs_get_node_page(F2FS_I_SB(inode), inode->i_ino); - f2fs_bug_on(F2FS_I_SB(inode), IS_ERR(ipage)); + if (IS_ERR(ipage)) + return PTR_ERR(ipage); ri = F2FS_INODE(page); if (ri->i_inline & F2FS_INLINE_XATTR) { @@ -2599,6 +2600,7 @@ void f2fs_recover_inline_xattr(struct inode *inode, struct page *page) update_inode: f2fs_update_inode(inode, ipage); f2fs_put_page(ipage, 1); + return 0; } int f2fs_recover_xattr_data(struct inode *inode, struct page *page) diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c index ae5310f02e7ff..2807251944668 100644 --- a/fs/f2fs/recovery.c +++ b/fs/f2fs/recovery.c @@ -544,7 +544,9 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode, /* step 1: recover xattr */ if (IS_INODE(page)) { - f2fs_recover_inline_xattr(inode, page); + err = f2fs_recover_inline_xattr(inode, page); + if (err) + goto out; } else if (f2fs_has_xattr_block(ofs_of_node(page))) { err = f2fs_recover_xattr_data(inode, page); if (!err) @@ -553,8 +555,12 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode, } /* step 2: recover inline data */ - if (f2fs_recover_inline_data(inode, page)) + err = f2fs_recover_inline_data(inode, page); + if (err) { + if (err == 1) + err = 0; goto out; + } /* step 3: recover data indices */ start = f2fs_start_bidx_of_node(ofs_of_node(page), inode); -- 2.25.1