From 958e46acc8e900e8569dd467c1af9b8d2d019394 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:54 +0000
Subject: [PATCH] disable cpu isolcpus
---
kernel/fs/jfs/inode.c | 39 +++++++++++++++++++--------------------
1 files changed, 19 insertions(+), 20 deletions(-)
diff --git a/kernel/fs/jfs/inode.c b/kernel/fs/jfs/inode.c
index 87b41ed..980aa33 100644
--- a/kernel/fs/jfs/inode.c
+++ b/kernel/fs/jfs/inode.c
@@ -1,20 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) International Business Machines Corp., 2000-2004
* Portions Copyright (C) Christoph Hellwig, 2001-2002
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
- * the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/fs.h>
@@ -31,6 +18,7 @@
#include "jfs_extent.h"
#include "jfs_unicode.h"
#include "jfs_debug.h"
+#include "jfs_dmap.h"
struct inode *jfs_iget(struct super_block *sb, unsigned long ino)
@@ -150,24 +138,26 @@
void jfs_evict_inode(struct inode *inode)
{
+ struct jfs_inode_info *ji = JFS_IP(inode);
+
jfs_info("In jfs_evict_inode, inode = 0x%p", inode);
if (!inode->i_nlink && !is_bad_inode(inode)) {
dquot_initialize(inode);
if (JFS_IP(inode)->fileset == FILESYSTEM_I) {
+ struct inode *ipimap = JFS_SBI(inode->i_sb)->ipimap;
truncate_inode_pages_final(&inode->i_data);
if (test_cflag(COMMIT_Freewmap, inode))
jfs_free_zero_link(inode);
- if (JFS_SBI(inode->i_sb)->ipimap)
+ if (ipimap && JFS_IP(ipimap)->i_imap)
diFree(inode);
/*
* Free the inode from the quota allocation.
*/
- dquot_initialize(inode);
dquot_free_inode(inode);
}
} else {
@@ -175,6 +165,16 @@
}
clear_inode(inode);
dquot_drop(inode);
+
+ BUG_ON(!list_empty(&ji->anon_inode_list));
+
+ spin_lock_irq(&ji->ag_lock);
+ if (ji->active_ag != -1) {
+ struct bmap *bmap = JFS_SBI(inode->i_sb)->bmap;
+ atomic_dec(&bmap->db_active[ji->active_ag]);
+ ji->active_ag = -1;
+ }
+ spin_unlock_irq(&ji->ag_lock);
}
void jfs_dirty_inode(struct inode *inode, int flags)
@@ -298,10 +298,9 @@
return mpage_readpage(page, jfs_get_block);
}
-static int jfs_readpages(struct file *file, struct address_space *mapping,
- struct list_head *pages, unsigned nr_pages)
+static void jfs_readahead(struct readahead_control *rac)
{
- return mpage_readpages(mapping, pages, nr_pages, jfs_get_block);
+ mpage_readahead(rac, jfs_get_block);
}
static void jfs_write_failed(struct address_space *mapping, loff_t to)
@@ -360,7 +359,7 @@
const struct address_space_operations jfs_aops = {
.readpage = jfs_readpage,
- .readpages = jfs_readpages,
+ .readahead = jfs_readahead,
.writepage = jfs_writepage,
.writepages = jfs_writepages,
.write_begin = jfs_write_begin,
--
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