add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/fs/jfs/super.c
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@@ -1,20 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  *   Copyright (C) International Business Machines Corp., 2000-2004
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  *   Portions Copyright (C) Christoph Hellwig, 2001-2002
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- *
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- *   This program is free software;  you can redistribute it and/or modify
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- *   it under the terms of the GNU General Public License as published by
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- *   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 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
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- *   the 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;  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/fs.h>
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@@ -50,6 +37,7 @@
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 MODULE_DESCRIPTION("The Journaled Filesystem (JFS)");
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 MODULE_AUTHOR("Steve Best/Dave Kleikamp/Barry Arndt, IBM");
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 MODULE_LICENSE("GPL");
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+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
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 static struct kmem_cache *jfs_inode_cachep;
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@@ -124,27 +112,9 @@
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 	return &jfs_inode->vfs_inode;
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 }
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-static void jfs_i_callback(struct rcu_head *head)
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+static void jfs_free_inode(struct inode *inode)
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 {
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-	struct inode *inode = container_of(head, struct inode, i_rcu);
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-	struct jfs_inode_info *ji = JFS_IP(inode);
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-	kmem_cache_free(jfs_inode_cachep, ji);
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-}
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-
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-static void jfs_destroy_inode(struct inode *inode)
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-{
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-	struct jfs_inode_info *ji = JFS_IP(inode);
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-
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-	BUG_ON(!list_empty(&ji->anon_inode_list));
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-
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-	spin_lock_irq(&ji->ag_lock);
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-	if (ji->active_ag != -1) {
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-		struct bmap *bmap = JFS_SBI(inode->i_sb)->bmap;
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-		atomic_dec(&bmap->db_active[ji->active_ag]);
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-		ji->active_ag = -1;
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-	}
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-	spin_unlock_irq(&ji->ag_lock);
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-	call_rcu(&inode->i_rcu, jfs_i_callback);
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+	kmem_cache_free(jfs_inode_cachep, JFS_IP(inode));
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 }
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 static int jfs_statfs(struct dentry *dentry, struct kstatfs *buf)
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@@ -174,9 +144,11 @@
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 	buf->f_files = maxinodes;
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 	buf->f_ffree = maxinodes - (atomic_read(&imap->im_numinos) -
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 				    atomic_read(&imap->im_numfree));
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-	buf->f_fsid.val[0] = (u32)crc32_le(0, sbi->uuid, sizeof(sbi->uuid)/2);
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-	buf->f_fsid.val[1] = (u32)crc32_le(0, sbi->uuid + sizeof(sbi->uuid)/2,
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-					sizeof(sbi->uuid)/2);
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+	buf->f_fsid.val[0] = crc32_le(0, (char *)&sbi->uuid,
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+				      sizeof(sbi->uuid)/2);
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+	buf->f_fsid.val[1] = crc32_le(0,
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+				      (char *)&sbi->uuid + sizeof(sbi->uuid)/2,
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+				      sizeof(sbi->uuid)/2);
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 	buf->f_namelen = JFS_NAME_MAX;
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 	return 0;
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@@ -247,7 +219,7 @@
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 	{Opt_resize_nosize, "resize"},
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 	{Opt_errors, "errors=%s"},
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 	{Opt_ignore, "noquota"},
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-	{Opt_ignore, "quota"},
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+	{Opt_quota, "quota"},
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 	{Opt_usrquota, "usrquota"},
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 	{Opt_grpquota, "grpquota"},
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 	{Opt_uid, "uid=%u"},
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@@ -532,6 +504,8 @@
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 	sb->s_fs_info = sbi;
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 	sb->s_max_links = JFS_LINK_MAX;
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+	sb->s_time_min = 0;
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+	sb->s_time_max = U32_MAX;
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 	sbi->sb = sb;
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 	sbi->uid = INVALID_UID;
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 	sbi->gid = INVALID_GID;
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@@ -912,7 +886,7 @@
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 static const struct super_operations jfs_super_operations = {
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 	.alloc_inode	= jfs_alloc_inode,
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-	.destroy_inode	= jfs_destroy_inode,
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+	.free_inode	= jfs_free_inode,
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 	.dirty_inode	= jfs_dirty_inode,
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 	.write_inode	= jfs_write_inode,
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 	.evict_inode	= jfs_evict_inode,