add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/fs/ocfs2/suballoc.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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@@ -7,21 +8,6 @@
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  * Inspired by ext3 block groups.
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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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@@ -710,7 +696,7 @@
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 	bg_bh = ocfs2_block_group_alloc_contig(osb, handle, alloc_inode,
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 					       ac, cl);
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-	if (IS_ERR(bg_bh) && (PTR_ERR(bg_bh) == -ENOSPC))
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+	if (PTR_ERR(bg_bh) == -ENOSPC)
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 		bg_bh = ocfs2_block_group_alloc_discontig(handle,
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 							  alloc_inode,
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 							  ac, cl);
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@@ -1266,21 +1252,24 @@
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 					 int nr)
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 {
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 	struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) bg_bh->b_data;
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+	struct journal_head *jh;
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 	int ret;
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 	if (ocfs2_test_bit(nr, (unsigned long *)bg->bg_bitmap))
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 		return 0;
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-	if (!buffer_jbd(bg_bh))
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+	jh = jbd2_journal_grab_journal_head(bg_bh);
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+	if (!jh)
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 		return 1;
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-	jbd_lock_bh_state(bg_bh);
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-	bg = (struct ocfs2_group_desc *) bh2jh(bg_bh)->b_committed_data;
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+	spin_lock(&jh->b_state_lock);
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+	bg = (struct ocfs2_group_desc *) jh->b_committed_data;
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 	if (bg)
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 		ret = !ocfs2_test_bit(nr, (unsigned long *)bg->bg_bitmap);
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 	else
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 		ret = 1;
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-	jbd_unlock_bh_state(bg_bh);
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+	spin_unlock(&jh->b_state_lock);
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+	jbd2_journal_put_journal_head(jh);
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 	return ret;
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 }
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@@ -2401,6 +2390,7 @@
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 	int status;
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 	unsigned int tmp;
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 	struct ocfs2_group_desc *undo_bg = NULL;
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+	struct journal_head *jh;
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 	/* The caller got this descriptor from
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 	 * ocfs2_read_group_descriptor().  Any corruption is a code bug. */
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@@ -2419,10 +2409,10 @@
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 		goto bail;
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 	}
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+	jh = bh2jh(group_bh);
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 	if (undo_fn) {
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-		jbd_lock_bh_state(group_bh);
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-		undo_bg = (struct ocfs2_group_desc *)
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-					bh2jh(group_bh)->b_committed_data;
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+		spin_lock(&jh->b_state_lock);
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+		undo_bg = (struct ocfs2_group_desc *) jh->b_committed_data;
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 		BUG_ON(!undo_bg);
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 	}
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@@ -2437,7 +2427,7 @@
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 	le16_add_cpu(&bg->bg_free_bits_count, num_bits);
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 	if (le16_to_cpu(bg->bg_free_bits_count) > le16_to_cpu(bg->bg_bits)) {
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 		if (undo_fn)
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-			jbd_unlock_bh_state(group_bh);
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+			spin_unlock(&jh->b_state_lock);
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 		return ocfs2_error(alloc_inode->i_sb, "Group descriptor # %llu has bit count %u but claims %u are freed. num_bits %d\n",
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 				   (unsigned long long)le64_to_cpu(bg->bg_blkno),
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 				   le16_to_cpu(bg->bg_bits),
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@@ -2446,7 +2436,7 @@
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 	}
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 	if (undo_fn)
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-		jbd_unlock_bh_state(group_bh);
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+		spin_unlock(&jh->b_state_lock);
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 	ocfs2_journal_dirty(handle, group_bh);
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 bail:
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@@ -2520,9 +2510,6 @@
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 bail:
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 	brelse(group_bh);
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-
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-	if (status)
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-		mlog_errno(status);
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 	return status;
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 }
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@@ -2593,8 +2580,6 @@
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 					 num_clusters);
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 out:
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-	if (status)
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-		mlog_errno(status);
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 	return status;
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 }
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