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ocfs2: Remove JBD compatibility layer

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JBD2 is fully backwards compatible with JBD and it's been tested enough with
Ocfs2 that we can clean this code up now.

Signed-off-by: Mark Fasheh <mfasheh@suse.com>
This commit is contained in:
Mark Fasheh 2008-11-18 16:53:43 -08:00
parent 511308d90b
commit 53ef99cad9
6 changed files with 3 additions and 143 deletions
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10
fs/Kconfig
View File

@ -258,16 +258,6 @@ config OCFS2_DEBUG_FS
this option for debugging only as it is likely to decrease
performance of the filesystem.
config OCFS2_COMPAT_JBD
bool "Use JBD for compatibility"
depends on OCFS2_FS
default n
select JBD
help
The ocfs2 filesystem now uses JBD2 for its journalling. JBD2
is backwards compatible with JBD. It is safe to say N here.
However, if you really want to use the original JBD, say Y here.
config OCFS2_FS_POSIX_ACL
bool "OCFS2 POSIX Access Control Lists"
depends on OCFS2_FS

5
fs/ocfs2/alloc.c
View File

@ -6638,11 +6638,6 @@ static void ocfs2_map_and_dirty_page(struct inode *inode, handle_t *handle,
mlog_errno(ret);
else if (ocfs2_should_order_data(inode)) {
ret = ocfs2_jbd2_file_inode(handle, inode);
#ifdef CONFIG_OCFS2_COMPAT_JBD
ret = walk_page_buffers(handle, page_buffers(page),
from, to, &partial,
ocfs2_journal_dirty_data);
#endif
if (ret < 0)
mlog_errno(ret);
}

24
fs/ocfs2/aops.c
View File

@ -474,12 +474,6 @@ handle_t *ocfs2_start_walk_page_trans(struct inode *inode,
if (ocfs2_should_order_data(inode)) {
ret = ocfs2_jbd2_file_inode(handle, inode);
#ifdef CONFIG_OCFS2_COMPAT_JBD
ret = walk_page_buffers(handle,
page_buffers(page),
from, to, NULL,
ocfs2_journal_dirty_data);
#endif
if (ret < 0)
mlog_errno(ret);
}
@ -1065,15 +1059,8 @@ static void ocfs2_write_failure(struct inode *inode,
tmppage = wc->w_pages[i];
if (page_has_buffers(tmppage)) {
if (ocfs2_should_order_data(inode)) {
if (ocfs2_should_order_data(inode))
ocfs2_jbd2_file_inode(wc->w_handle, inode);
#ifdef CONFIG_OCFS2_COMPAT_JBD
walk_page_buffers(wc->w_handle,
page_buffers(tmppage),
from, to, NULL,
ocfs2_journal_dirty_data);
#endif
}
block_commit_write(tmppage, from, to);
}
@ -1912,15 +1899,8 @@ int ocfs2_write_end_nolock(struct address_space *mapping,
}
if (page_has_buffers(tmppage)) {
if (ocfs2_should_order_data(inode)) {
if (ocfs2_should_order_data(inode))
ocfs2_jbd2_file_inode(wc->w_handle, inode);
#ifdef CONFIG_OCFS2_COMPAT_JBD
walk_page_buffers(wc->w_handle,
page_buffers(tmppage),
from, to, NULL,
ocfs2_journal_dirty_data);
#endif
}
block_commit_write(tmppage, from, to);
}
}

14
fs/ocfs2/journal.c
View File

@ -434,20 +434,6 @@ int ocfs2_journal_dirty(handle_t *handle,
return status;
}
#ifdef CONFIG_OCFS2_COMPAT_JBD
int ocfs2_journal_dirty_data(handle_t *handle,
struct buffer_head *bh)
{
int err = journal_dirty_data(handle, bh);
if (err)
mlog_errno(err);
/* TODO: When we can handle it, abort the handle and go RO on
* error here. */
return err;
}
#endif
#define OCFS2_DEFAULT_COMMIT_INTERVAL (HZ * JBD2_DEFAULT_MAX_COMMIT_AGE)
void ocfs2_set_journal_params(struct ocfs2_super *osb)

11
fs/ocfs2/journal.h
View File

@ -27,12 +27,7 @@
#define OCFS2_JOURNAL_H
#include <linux/fs.h>
#ifndef CONFIG_OCFS2_COMPAT_JBD
# include <linux/jbd2.h>
#else
# include <linux/jbd.h>
# include "ocfs2_jbd_compat.h"
#endif
#include <linux/jbd2.h>
enum ocfs2_journal_state {
OCFS2_JOURNAL_FREE = 0,
@ -273,10 +268,6 @@ int ocfs2_journal_access(handle_t *handle,
*/
int ocfs2_journal_dirty(handle_t *handle,
struct buffer_head *bh);
#ifdef CONFIG_OCFS2_COMPAT_JBD
int ocfs2_journal_dirty_data(handle_t *handle,
struct buffer_head *bh);
#endif
/*
* Credit Macros:

82
fs/ocfs2/ocfs2_jbd_compat.h
View File

@ -1,82 +0,0 @@
/* -*- mode: c; c-basic-offset: 8; -*-
* vim: noexpandtab sw=8 ts=8 sts=0:
*
* ocfs2_jbd_compat.h
*
* Compatibility defines for JBD.
*
* Copyright (C) 2008 Oracle. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License version 2 as published by the Free Software Foundation.
*
* 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.
*/
#ifndef OCFS2_JBD_COMPAT_H
#define OCFS2_JBD_COMPAT_H
#ifndef CONFIG_OCFS2_COMPAT_JBD
# error Should not have been included
#endif
struct jbd2_inode {
unsigned int dummy;
};
#define JBD2_BARRIER JFS_BARRIER
#define JBD2_DEFAULT_MAX_COMMIT_AGE JBD_DEFAULT_MAX_COMMIT_AGE
#define jbd2_journal_ack_err journal_ack_err
#define jbd2_journal_clear_err journal_clear_err
#define jbd2_journal_destroy journal_destroy
#define jbd2_journal_dirty_metadata journal_dirty_metadata
#define jbd2_journal_errno journal_errno
#define jbd2_journal_extend journal_extend
#define jbd2_journal_flush journal_flush
#define jbd2_journal_force_commit journal_force_commit
#define jbd2_journal_get_write_access journal_get_write_access
#define jbd2_journal_get_undo_access journal_get_undo_access
#define jbd2_journal_init_inode journal_init_inode
#define jbd2_journal_invalidatepage journal_invalidatepage
#define jbd2_journal_load journal_load
#define jbd2_journal_lock_updates journal_lock_updates
#define jbd2_journal_restart journal_restart
#define jbd2_journal_start journal_start
#define jbd2_journal_start_commit journal_start_commit
#define jbd2_journal_stop journal_stop
#define jbd2_journal_try_to_free_buffers journal_try_to_free_buffers
#define jbd2_journal_unlock_updates journal_unlock_updates
#define jbd2_journal_wipe journal_wipe
#define jbd2_log_wait_commit log_wait_commit
static inline int jbd2_journal_file_inode(handle_t *handle,
struct jbd2_inode *inode)
{
return 0;
}
static inline int jbd2_journal_begin_ordered_truncate(struct jbd2_inode *inode,
loff_t new_size)
{
return 0;
}
static inline void jbd2_journal_init_jbd_inode(struct jbd2_inode *jinode,
struct inode *inode)
{
return;
}
static inline void jbd2_journal_release_jbd_inode(journal_t *journal,
struct jbd2_inode *jinode)
{
return;
}
#endif /* OCFS2_JBD_COMPAT_H */