修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/fs/ocfs2/localalloc.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /* -*- mode: c; c-basic-offset: 8; -*-
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  * vim: noexpandtab sw=8 ts=8 sts=0:
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  *
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@@ -6,21 +7,6 @@
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  * Node local data allocation
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  *
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  * Copyright (C) 2002, 2004 Oracle.  All rights reserved.
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public
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- * License as published by the Free Software Foundation; either
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- * version 2 of the License, or (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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- * 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
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- * License along with this program; if not, write to the
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- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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- * Boston, MA 021110-1307, USA.
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  */
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 #include <linux/fs.h>
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@@ -439,12 +425,11 @@
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 	bh = osb->local_alloc_bh;
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 	alloc = (struct ocfs2_dinode *) bh->b_data;
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-	alloc_copy = kmalloc(bh->b_size, GFP_NOFS);
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+	alloc_copy = kmemdup(alloc, bh->b_size, GFP_NOFS);
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 	if (!alloc_copy) {
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 		status = -ENOMEM;
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 		goto out_commit;
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 	}
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-	memcpy(alloc_copy, alloc, bh->b_size);
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 	status = ocfs2_journal_access_di(handle, INODE_CACHE(local_alloc_inode),
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 					 bh, OCFS2_JOURNAL_ACCESS_WRITE);
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@@ -692,7 +677,7 @@
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 		/*
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 		 * Under certain conditions, the window slide code
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 		 * might have reduced the number of bits available or
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-		 * disabled the the local alloc entirely. Re-check
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+		 * disabled the local alloc entirely. Re-check
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 		 * here and return -ENOSPC if necessary.
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 		 */
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 		status = -ENOSPC;
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@@ -841,7 +826,7 @@
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 				     u32 *numbits,
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 				     struct ocfs2_alloc_reservation *resv)
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 {
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-	int numfound = 0, bitoff, left, startoff, lastzero;
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+	int numfound = 0, bitoff, left, startoff;
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 	int local_resv = 0;
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 	struct ocfs2_alloc_reservation r;
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 	void *bitmap = NULL;
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@@ -879,7 +864,6 @@
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 	bitmap = OCFS2_LOCAL_ALLOC(alloc)->la_bitmap;
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 	numfound = bitoff = startoff = 0;
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-	lastzero = -1;
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 	left = le32_to_cpu(alloc->id1.bitmap1.i_total);
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 	while ((bitoff = ocfs2_find_next_zero_bit(bitmap, left, startoff)) != -1) {
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 		if (bitoff == left) {
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@@ -1288,13 +1272,12 @@
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 	 * local alloc shutdown won't try to double free main bitmap
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 	 * bits. Make a copy so the sync function knows which bits to
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 	 * free. */
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-	alloc_copy = kmalloc(osb->local_alloc_bh->b_size, GFP_NOFS);
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+	alloc_copy = kmemdup(alloc, osb->local_alloc_bh->b_size, GFP_NOFS);
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 	if (!alloc_copy) {
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 		status = -ENOMEM;
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 		mlog_errno(status);
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 		goto bail;
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 	}
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-	memcpy(alloc_copy, alloc, osb->local_alloc_bh->b_size);
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 	status = ocfs2_journal_access_di(handle,
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 					 INODE_CACHE(local_alloc_inode),