From patchwork Thu Jun 20 17:31:20 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Howells X-Patchwork-Id: 13706020 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 819B41BC089 for ; Thu, 20 Jun 2024 17:32:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718904742; cv=none; b=qkS2ltmZIqjuOdRMVdcKJo+D/ZMSIiNpYh4I7AGWFR4qabXlzKokqrXhXR4Yr440L6Nw6gQ+UnJiJtddNOa2vjvMQ1G70N/xpzCtSooTAYNHQEGPXjvzDmdf1yhVAxXBxICD2CHL0CxSIceA8PUFPtSYYtCbnWwiUgCu2nNIKOc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718904742; c=relaxed/simple; bh=t4ghV9uEPMspnaKNzK+bVYEmMQtlXcC2kXCu0SHrjI0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=QO/KV/lD16jNARrc2e1ZG5PNQecCwoPtIqJW1DfRFgol0jgX5m+RGCyn+htQmuuN/eOcnxmSNG43dmssIj+rHrzztMrSdeGY2vLA67rbsLRWr7mbz7xr7g399WbNcTC9cN6/EHx6z7ELjJyhIyLT9SPjFCTy3IRUui8iz0XhvjY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=cLGoomLa; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="cLGoomLa" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1718904739; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=JUNe0qGPbYPucT2oL0wEdLncnKH7kSG74rEcjvbSDSE=; b=cLGoomLa3TJzb1Ul9EJwygs9UTbC0AaJkYg+nWRmfJ6aVieDQW/eVOt5wAMPUozy8ppj0E PSxac0IjcM7EEUpVv86KK9dXVFZQ8ywbJ6jhN+6LEqP/k1lzZqm5MH9pYWnnauOuXnnW0p dJ+2/ta1ZkmoscUMMGPXNk/bMashggE= Received: from mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-148-fOdZNPsaPiG_jKLo6iUksg-1; Thu, 20 Jun 2024 13:32:13 -0400 X-MC-Unique: fOdZNPsaPiG_jKLo6iUksg-1 Received: from mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.15]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id E1E6219560B1; Thu, 20 Jun 2024 17:32:06 +0000 (UTC) Received: from warthog.procyon.org.com (unknown [10.39.195.156]) by mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id E94C31956087; Thu, 20 Jun 2024 17:31:59 +0000 (UTC) From: David Howells To: Christian Brauner , Steve French , Matthew Wilcox Cc: David Howells , Jeff Layton , Gao Xiang , Dominique Martinet , Marc Dionne , Paulo Alcantara , Shyam Prasad N , Tom Talpey , Eric Van Hensbergen , Ilya Dryomov , netfs@lists.linux.dev, linux-afs@lists.infradead.org, linux-cifs@vger.kernel.org, linux-nfs@vger.kernel.org, ceph-devel@vger.kernel.org, v9fs@lists.linux.dev, linux-erofs@lists.ozlabs.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Steve French Subject: [PATCH 02/17] netfs, cifs: Move CIFS_INO_MODIFIED_ATTR to netfs_inode Date: Thu, 20 Jun 2024 18:31:20 +0100 Message-ID: <20240620173137.610345-3-dhowells@redhat.com> In-Reply-To: <20240620173137.610345-1-dhowells@redhat.com> References: <20240620173137.610345-1-dhowells@redhat.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 Move CIFS_INO_MODIFIED_ATTR to netfs_inode as NETFS_ICTX_MODIFIED_ATTR and then make netfs_perform_write() set it. This means that cifs doesn't need to implement the ->post_modify() hook. Signed-off-by: David Howells cc: Jeff Layton cc: Steve French cc: Paulo Alcantara cc: linux-cifs@vger.kernel.org cc: netfs@lists.linux.dev cc: linux-fsdevel@vger.kernel.org --- fs/netfs/buffered_write.c | 10 ++++++++-- fs/smb/client/cifsglob.h | 1 - fs/smb/client/file.c | 9 +-------- include/linux/netfs.h | 1 + 4 files changed, 10 insertions(+), 11 deletions(-) diff --git a/fs/netfs/buffered_write.c b/fs/netfs/buffered_write.c index 07bc1fd43530..41d556fe382a 100644 --- a/fs/netfs/buffered_write.c +++ b/fs/netfs/buffered_write.c @@ -405,8 +405,14 @@ ssize_t netfs_perform_write(struct kiocb *iocb, struct iov_iter *iter, } while (iov_iter_count(iter)); out: - if (likely(written) && ctx->ops->post_modify) - ctx->ops->post_modify(inode); + if (likely(written)) { + /* Set indication that ctime and mtime got updated in case + * close is deferred. + */ + set_bit(NETFS_ICTX_MODIFIED_ATTR, &ctx->flags); + if (unlikely(ctx->ops->post_modify)) + ctx->ops->post_modify(inode); + } if (unlikely(wreq)) { ret2 = netfs_end_writethrough(wreq, &wbc, writethrough); diff --git a/fs/smb/client/cifsglob.h b/fs/smb/client/cifsglob.h index 73482734a8d8..4b00512fb9f9 100644 --- a/fs/smb/client/cifsglob.h +++ b/fs/smb/client/cifsglob.h @@ -1569,7 +1569,6 @@ struct cifsInodeInfo { #define CIFS_INO_DELETE_PENDING (3) /* delete pending on server */ #define CIFS_INO_INVALID_MAPPING (4) /* pagecache is invalid */ #define CIFS_INO_LOCK (5) /* lock bit for synchronization */ -#define CIFS_INO_MODIFIED_ATTR (6) /* Indicate change in mtime/ctime */ #define CIFS_INO_CLOSE_ON_LOCK (7) /* Not to defer the close when lock is set */ unsigned long flags; spinlock_t writers_lock; diff --git a/fs/smb/client/file.c b/fs/smb/client/file.c index 9d5c2440abfc..67dd8fcd0e6d 100644 --- a/fs/smb/client/file.c +++ b/fs/smb/client/file.c @@ -302,12 +302,6 @@ static void cifs_rreq_done(struct netfs_io_request *rreq) inode_set_atime_to_ts(inode, inode_get_mtime(inode)); } -static void cifs_post_modify(struct inode *inode) -{ - /* Indication to update ctime and mtime as close is deferred */ - set_bit(CIFS_INO_MODIFIED_ATTR, &CIFS_I(inode)->flags); -} - static void cifs_free_request(struct netfs_io_request *rreq) { struct cifs_io_request *req = container_of(rreq, struct cifs_io_request, rreq); @@ -346,7 +340,6 @@ const struct netfs_request_ops cifs_req_ops = { .clamp_length = cifs_clamp_length, .issue_read = cifs_req_issue_read, .done = cifs_rreq_done, - .post_modify = cifs_post_modify, .begin_writeback = cifs_begin_writeback, .prepare_write = cifs_prepare_write, .issue_write = cifs_issue_write, @@ -1369,7 +1362,7 @@ int cifs_close(struct inode *inode, struct file *file) dclose = kmalloc(sizeof(struct cifs_deferred_close), GFP_KERNEL); if ((cfile->status_file_deleted == false) && (smb2_can_defer_close(inode, dclose))) { - if (test_and_clear_bit(CIFS_INO_MODIFIED_ATTR, &cinode->flags)) { + if (test_and_clear_bit(NETFS_ICTX_MODIFIED_ATTR, &cinode->netfs.flags)) { inode_set_mtime_to_ts(inode, inode_set_ctime_current(inode)); } diff --git a/include/linux/netfs.h b/include/linux/netfs.h index 5d0288938cc2..2d438aaae685 100644 --- a/include/linux/netfs.h +++ b/include/linux/netfs.h @@ -73,6 +73,7 @@ struct netfs_inode { #define NETFS_ICTX_ODIRECT 0 /* The file has DIO in progress */ #define NETFS_ICTX_UNBUFFERED 1 /* I/O should not use the pagecache */ #define NETFS_ICTX_WRITETHROUGH 2 /* Write-through caching */ +#define NETFS_ICTX_MODIFIED_ATTR 3 /* Indicate change in mtime/ctime */ #define NETFS_ICTX_USE_PGPRIV2 31 /* [DEPRECATED] Use PG_private_2 to mark * write to cache on read */ };