From patchwork Tue Nov 12 04:58:47 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qu Wenruo X-Patchwork-Id: 13871722 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.223.131]) (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 DFB9F4C91; Tue, 12 Nov 2024 04:59:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=195.135.223.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731387555; cv=none; b=kDFR4JX9IdB7LbBckdTGePq4x3kFZYT2EEEXIlKjZlNdejpnu6OkZ6/sVy4a/rOieGbP3Ag4RWaQzH/9HFhWCmerv33auufxO2OYJJYZ+PyySXAKczAG2n94DsieHgs7vOjl3ufuj3Jg4Au97LeRJxhmz8L8rUwsrIAaK5J8TlQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731387555; c=relaxed/simple; bh=5DH25WIw+//IB3q1u+V5RXS1KjYqBicunDdkKgSo7do=; h=From:To:Subject:Date:Message-ID:MIME-Version; b=QexJ4A48+dwnU1r1OglAEey7eaLdL/cu91mrHwygMAE+4O1WchfWc7FkO1pUw0rbIXt6sR3qBzQsYfO5fwjcHYUP4tCW56Xzb1vF8JCno3K69j7WQQZXfCzxIGsb9RPvcEtIMvlRttcoumIDj2+AshDcFq0M+dZdW37BqVv6mnA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=suse.com; spf=pass smtp.mailfrom=suse.com; dkim=pass (1024-bit key) header.d=suse.com header.i=@suse.com header.b=L+4VcAYu; dkim=pass (1024-bit key) header.d=suse.com header.i=@suse.com header.b=L+4VcAYu; arc=none smtp.client-ip=195.135.223.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=suse.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=suse.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=suse.com header.i=@suse.com header.b="L+4VcAYu"; dkim=pass (1024-bit key) header.d=suse.com header.i=@suse.com header.b="L+4VcAYu" Received: from imap1.dmz-prg2.suse.org (imap1.dmz-prg2.suse.org [IPv6:2a07:de40:b281:104:10:150:64:97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 147581F392; Tue, 12 Nov 2024 04:59:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1731387551; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=bg+Dyzwg3x8KB+QLKlNLJTrf47vQEYWjVaY4dCwJE6I=; b=L+4VcAYu4ptzxO34rWzWjV5F11ZOtavkJeuAFLM6bPcQs4i6SYtUM6mc4VtcVrzdtXTvxe wwmZZcGkPADKRJfF2tMTfpJfA88Km377G6mgm35+Q3Jehoqq6n1b1rM6DwQI1riLbGm2IB lP8iwToZavXyvBr6EtM4Q0pMBT828KA= Authentication-Results: smtp-out2.suse.de; dkim=pass header.d=suse.com header.s=susede1 header.b=L+4VcAYu DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1731387551; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=bg+Dyzwg3x8KB+QLKlNLJTrf47vQEYWjVaY4dCwJE6I=; b=L+4VcAYu4ptzxO34rWzWjV5F11ZOtavkJeuAFLM6bPcQs4i6SYtUM6mc4VtcVrzdtXTvxe wwmZZcGkPADKRJfF2tMTfpJfA88Km377G6mgm35+Q3Jehoqq6n1b1rM6DwQI1riLbGm2IB lP8iwToZavXyvBr6EtM4Q0pMBT828KA= Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id 8CE6A13301; Tue, 12 Nov 2024 04:59:09 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id rJOcE53gMmf/TwAAD6G6ig (envelope-from ); Tue, 12 Nov 2024 04:59:09 +0000 From: Qu Wenruo To: linux-btrfs@vger.kernel.org, almaz.alexandrovich@paragon-software.com, ntfs3@lists.linux.dev, linux-fsdevel@vger.kernel.org Subject: [PATCH] ntfs3: remove a_ops->write_begin/end() call backs Date: Tue, 12 Nov 2024 15:28:47 +1030 Message-ID: X-Mailer: git-send-email 2.47.0 Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Rspamd-Queue-Id: 147581F392 X-Spam-Level: X-Spamd-Result: default: False [-3.01 / 50.00]; BAYES_HAM(-3.00)[100.00%]; NEURAL_HAM_LONG(-1.00)[-1.000]; MID_CONTAINS_FROM(1.00)[]; R_MISSING_CHARSET(0.50)[]; R_DKIM_ALLOW(-0.20)[suse.com:s=susede1]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; TO_DN_NONE(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FUZZY_BLOCKED(0.00)[rspamd.com]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.com:email,suse.com:dkim,suse.com:mid]; DKIM_SIGNED(0.00)[suse.com:s=susede1]; RCPT_COUNT_THREE(0.00)[4]; DKIM_TRACE(0.00)[suse.com:+] X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Rspamd-Action: no action X-Spam-Score: -3.01 X-Spam-Flag: NO Currently a_ops->write_begin/end() helpers are only called by the following exported functions: - generic_perform_write() - generic_cont_expand_simple() - cont_write_begin() - page_symlink() NTFS3 doesn't utilize any of the above functions, thus there is no need to assign write_begin() nor write_end() call backs in its address_space_operations structure. The functions ntfs_write_begin() and ntfs_write_end() are directly called inside ntfs_extend_initialized_size() only. Signed-off-by: Qu Wenruo --- fs/ntfs3/inode.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/fs/ntfs3/inode.c b/fs/ntfs3/inode.c index be04d2845bb7..6b4a11467c65 100644 --- a/fs/ntfs3/inode.c +++ b/fs/ntfs3/inode.c @@ -947,9 +947,6 @@ int ntfs_write_begin(struct file *file, struct address_space *mapping, return err; } -/* - * ntfs_write_end - Address_space_operations::write_end. - */ int ntfs_write_end(struct file *file, struct address_space *mapping, loff_t pos, u32 len, u32 copied, struct folio *folio, void *fsdata) { @@ -2092,8 +2089,6 @@ const struct address_space_operations ntfs_aops = { .read_folio = ntfs_read_folio, .readahead = ntfs_readahead, .writepages = ntfs_writepages, - .write_begin = ntfs_write_begin, - .write_end = ntfs_write_end, .direct_IO = ntfs_direct_IO, .bmap = ntfs_bmap, .dirty_folio = block_dirty_folio,