add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/fs/ntfs/mft.c
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@@ -1,23 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /**
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  * mft.c - NTFS kernel mft record operations. Part of the Linux-NTFS project.
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  *
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  * Copyright (c) 2001-2012 Anton Altaparmakov and Tuxera Inc.
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  * Copyright (c) 2002 Richard Russon
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- *
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- * This program/include file is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License as published
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- * by the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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- *
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- * This program/include file is distributed in the hope that it will be
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- * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program (in the main directory of the Linux-NTFS
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- * distribution in the file COPYING); if not, write to the Free Software
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- * Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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  */
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 #include <linux/buffer_head.h>
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@@ -85,7 +71,7 @@
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 	}
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 	/* Read, map, and pin the page. */
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 	page = ntfs_map_page(mft_vi->i_mapping, index);
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-	if (likely(!IS_ERR(page))) {
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+	if (!IS_ERR(page)) {
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 		/* Catch multi sector transfer fixup errors. */
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 		if (likely(ntfs_is_mft_recordp((le32*)(page_address(page) +
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 				ofs)))) {
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@@ -168,7 +154,7 @@
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 	mutex_lock(&ni->mrec_lock);
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 	m = map_mft_record_page(ni);
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-	if (likely(!IS_ERR(m)))
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+	if (!IS_ERR(m))
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 		return m;
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 	mutex_unlock(&ni->mrec_lock);
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@@ -285,7 +271,7 @@
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 		m = map_mft_record(ni);
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 		/* map_mft_record() has incremented this on success. */
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 		atomic_dec(&ni->count);
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-		if (likely(!IS_ERR(m))) {
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+		if (!IS_ERR(m)) {
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 			/* Verify the sequence number. */
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 			if (likely(le16_to_cpu(m->sequence_number) == seq_no)) {
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 				ntfs_debug("Done 1.");
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@@ -518,7 +504,7 @@
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 			bh = bh->b_this_page;
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 		} while (bh);
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 		tail->b_this_page = head;
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-		attach_page_buffers(page, head);
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+		attach_page_private(page, head);
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 	}
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 	bh = head = page_buffers(page);
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 	BUG_ON(!bh);
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@@ -972,7 +958,7 @@
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 		 * dirty code path of the inode dirty code path when writing
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 		 * $MFT occurs.
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 		 */
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-		vi = ilookup5_nowait(sb, mft_no, (test_t)ntfs_test_inode, &na);
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+		vi = ilookup5_nowait(sb, mft_no, ntfs_test_inode, &na);
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 	}
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 	if (vi) {
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 		ntfs_debug("Base inode 0x%lx is in icache.", mft_no);
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@@ -1033,7 +1019,7 @@
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 		vi = igrab(mft_vi);
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 		BUG_ON(vi != mft_vi);
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 	} else
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-		vi = ilookup5_nowait(sb, na.mft_no, (test_t)ntfs_test_inode,
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+		vi = ilookup5_nowait(sb, na.mft_no, ntfs_test_inode,
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 				&na);
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 	if (!vi) {
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 		/*
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@@ -1317,7 +1303,7 @@
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 	read_unlock_irqrestore(&mftbmp_ni->size_lock, flags);
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 	rl = ntfs_attr_find_vcn_nolock(mftbmp_ni,
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 			(ll - 1) >> vol->cluster_size_bits, NULL);
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-	if (unlikely(IS_ERR(rl) || !rl->length || rl->lcn < 0)) {
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+	if (IS_ERR(rl) || unlikely(!rl->length || rl->lcn < 0)) {
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 		up_write(&mftbmp_ni->runlist.lock);
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 		ntfs_error(vol->sb, "Failed to determine last allocated "
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 				"cluster of mft bitmap attribute.");
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@@ -1748,7 +1734,7 @@
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 	read_unlock_irqrestore(&mft_ni->size_lock, flags);
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 	rl = ntfs_attr_find_vcn_nolock(mft_ni,
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 			(ll - 1) >> vol->cluster_size_bits, NULL);
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-	if (unlikely(IS_ERR(rl) || !rl->length || rl->lcn < 0)) {
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+	if (IS_ERR(rl) || unlikely(!rl->length || rl->lcn < 0)) {
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 		up_write(&mft_ni->runlist.lock);
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 		ntfs_error(vol->sb, "Failed to determine last allocated "
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 				"cluster of mft data attribute.");
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@@ -1790,7 +1776,7 @@
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 	do {
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 		rl2 = ntfs_cluster_alloc(vol, old_last_vcn, nr, lcn, MFT_ZONE,
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 				true);
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-		if (likely(!IS_ERR(rl2)))
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+		if (!IS_ERR(rl2))
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 			break;
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 		if (PTR_ERR(rl2) != -ENOSPC || nr == min_nr) {
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 			ntfs_error(vol->sb, "Failed to allocate the minimal "