From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f200.google.com (mail-oi1-f200.google.com [209.85.167.200]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BB67E17C220 for ; Fri, 26 Jun 2026 20:21:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.200 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782505313; cv=none; b=juAQ3HEi9DCgX0fIASx7tFC62JjOjpnZVi+WG2dHt6u+XUazC65oX6rmeX/3aSBqHtq9a8kzlpgzSDgpEtllunm2H5Gshc68a2BUypy7GVXKVMGV1L+ZxKzR5sclvzKtbXQtZiZGhk1ZCXJ5imBTeK2eem0o8X40Ph1IlSbjVzk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782505313; c=relaxed/simple; bh=g70fQQ7x6sCqbQCIBY3AVjHD6lS7lDRQuZGS/lmWhsk=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To:Cc: Content-Type; b=ghlFzbsU7aOt6vjKFL4KjtVjd8G5djYXP6kD8N2bm3tb9RHQgJ5YJuQHcM/wcZ9QKHemBHMU5W4ig4XSopKWUFP6OsItsFWaA3CRpbv7w70QbiAobNJojU0SWYLSrbEvfvhadTSw7/tH7oBBtr0iInvhSRWGD2m5NaCBHfL3J2U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.167.200 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-oi1-f200.google.com with SMTP id 5614622812f47-4893fc86bebso1919430b6e.0 for ; Fri, 26 Jun 2026 13:21:51 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1782505311; x=1783110111; h=cc:to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=vFnp6yPbpElupK1Zb77MSKNK5x0yNy0ECJxMHPtpLT4=; b=PxZsKa/67/dpqF3RIlsNmqf3lyOFpxFspvxXdVZ7khR36gCGOzKMDwkFlxY1SfHw0J e8yn5rvU5yPYKvzoPbYxj+hHYkewsY5X6nvFPsRwOF6LIfzZOvwJxxyVScMa/9yoY/9O opWxPKKpl5jArLEQFJaxD4Q0Uqf25EITBlTgDF52leCQt3aMcNKW7KOJ2sCIzMrglEQK QzQpIZBJS0FQtmnYyrsr6X0lNWW86qsCu+qydmqHjcRO0Ko/tVULxVm+XSnuHGMgWAVN UkrIDMZ2yFXtMi76PYHT6z8bHJIm5TjNCI5wRriF5+a+UwO92GHWnXw+vtPdMNRGjFKs LL3g== X-Gm-Message-State: AOJu0YyfdqKGtRSN00MFjf+S3oH7WQX7fZVJzxkBFikCX+D2fitiHYq5 zijt5jVHCi/Rm7y5ZRDqsyCvXPZSpn5e3ampdSZHrdIPeFDQ8Q+mdKaFhbyY5xYDsuWtEaK+F0C Um4SBoOrAVc8lVJGwI8GOQnWpyuTgKUY5kWsjazLPAvT7Q9Q1BZCo9p7Tu9g= Precedence: bulk X-Mailing-List: syzbot@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:67c8:b0:489:6b4c:d779 with SMTP id 5614622812f47-49217d2713amr6918594b6e.20.1782505310924; Fri, 26 Jun 2026 13:21:50 -0700 (PDT) Date: Fri, 26 Jun 2026 13:21:50 -0700 In-Reply-To: <20260626202118.2464544-1-jbingham@gmail.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a3edf5e.80e5668d.5d0ef.000c.GAE@google.com> Subject: Forwarded: [syzbot ci] Re: minix: convert to iomap and add direct I/O From: syzbot To: syzbot@lists.linux.dev Cc: syzbot , jbingham@gmail.com Content-Type: text/plain; charset="UTF-8" For archival purposes, forwarding an incoming command email to syzbot@lists.linux.dev. *** Subject: [syzbot ci] Re: minix: convert to iomap and add direct I/O Author: jbingham@gmail.com Apparently I did this wrong the first time. I misunderstood and sent one patch covering all the changes differing from master, rather than just patching the changes to fix the errors syzbot found. #syz test --- fs/minix/file.c | 4 ++-- fs/minix/inode.c | 11 ++++++----- fs/minix/itree_common.c | 11 ++++++++++- fs/minix/minix.h | 3 +++ 4 files changed, 21 insertions(+), 8 deletions(-) diff --git a/fs/minix/file.c b/fs/minix/file.c index 1f4217115401..b07c853fa43a 100644 --- a/fs/minix/file.c +++ b/fs/minix/file.c @@ -175,8 +175,8 @@ const struct file_operations minix_file_operations = { .splice_write = iter_file_splice_write, }; -static int minix_setattr(struct mnt_idmap *idmap, - struct dentry *dentry, struct iattr *attr) +int minix_setattr(struct mnt_idmap *idmap, struct dentry *dentry, + struct iattr *attr) { struct inode *inode = d_inode(dentry); int error; diff --git a/fs/minix/inode.c b/fs/minix/inode.c index cd12e59ce9b9..8a79ff82a656 100644 --- a/fs/minix/inode.c +++ b/fs/minix/inode.c @@ -444,10 +444,10 @@ static ssize_t minix_writeback_range(struct iomap_writepage_ctx *wpc, if (pos < wpc->iomap.offset || pos >= wpc->iomap.offset + wpc->iomap.length) { if (INODE_VERSION(wpc->inode) == MINIX_V1) - error = V1_minix_iomap_begin(wpc->inode, pos, len, 0, + error = V1_minix_iomap_begin(wpc->inode, pos, len, IOMAP_WRITE, &wpc->iomap, NULL); else - error = V2_minix_iomap_begin(wpc->inode, pos, len, 0, + error = V2_minix_iomap_begin(wpc->inode, pos, len, IOMAP_WRITE, &wpc->iomap, NULL); if (error) return error; @@ -490,7 +490,7 @@ static int minix_writepages(struct address_space *mapping, static int minix_read_folio(struct file *file, struct folio *folio) { - const struct iomap_ops *ops = minix_iomap_ops_ver(file->f_inode); + const struct iomap_ops *ops = minix_iomap_ops_ver(folio->mapping->host); iomap_bio_read_folio(folio, ops); return 0; @@ -504,7 +504,7 @@ static int minix_block_read_folio(struct file *file, struct folio *folio) static void minix_readahead(struct readahead_control *rac) { - const struct iomap_ops *ops = minix_iomap_ops_ver(rac->file->f_inode); + const struct iomap_ops *ops = minix_iomap_ops_ver(rac->mapping->host); iomap_bio_readahead(rac, ops); } @@ -545,7 +545,7 @@ static sector_t minix_bmap(struct address_space *mapping, sector_t block) return iomap_bmap(mapping, block, ops); } -static const struct address_space_operations minix_aops = { +const struct address_space_operations minix_aops = { .dirty_folio = iomap_dirty_folio, .invalidate_folio = iomap_invalidate_folio, .read_folio = minix_read_folio, @@ -575,6 +575,7 @@ static const struct address_space_operations minix_dir_aops = { static const struct inode_operations minix_symlink_inode_operations = { .get_link = page_get_link, .getattr = minix_getattr, + .setattr = minix_setattr, }; void minix_set_inode(struct inode *inode, dev_t rdev) diff --git a/fs/minix/itree_common.c b/fs/minix/itree_common.c index c3cd2c75af9c..5a8b73a7beda 100644 --- a/fs/minix/itree_common.c +++ b/fs/minix/itree_common.c @@ -311,7 +311,16 @@ static inline void truncate (struct inode * inode) long iblock; iblock = (inode->i_size + sb->s_blocksize -1) >> sb->s_blocksize_bits; - block_truncate_page(inode->i_mapping, inode->i_size, get_block); + + /* Depending on what address space operations are being used by the + * inode being truncated, we need to either call iomap_truncate_page or + * block_truncate_page. + */ + if (inode->i_mapping->a_ops == &minix_aops) + iomap_truncate_page(inode, inode->i_size, NULL, + minix_iomap_ops_ver(inode), NULL, NULL); + else + block_truncate_page(inode->i_mapping, inode->i_size, get_block); n = block_to_path(inode, iblock, offsets); if (!n) diff --git a/fs/minix/minix.h b/fs/minix/minix.h index face74100346..270e4e0620a1 100644 --- a/fs/minix/minix.h +++ b/fs/minix/minix.h @@ -58,6 +58,8 @@ void minix_free_block(struct inode *inode, unsigned long block); unsigned long minix_count_free_blocks(struct super_block *sb); int minix_getattr(struct mnt_idmap *, const struct path *, struct kstat *, u32, unsigned); +int minix_setattr(struct mnt_idmap *idmap, struct dentry *dentry, + struct iattr *attr); int minix_prepare_chunk(struct folio *folio, loff_t pos, unsigned len); struct mapping_metadata_bhs *minix_get_metadata_bhs(struct inode *inode); int minix_fsync(struct file *file, loff_t start, loff_t end, int datasync); @@ -88,6 +90,7 @@ extern int V2_minix_iomap_begin(struct inode *inode, loff_t offset, loff_t length, unsigned int flags, struct iomap *iomap, struct iomap *srcmap); +extern const struct address_space_operations minix_aops; extern const struct inode_operations minix_file_inode_operations; extern const struct inode_operations minix_dir_inode_operations; extern const struct file_operations minix_file_operations; -- 2.47.3