tristate
help
This is a generic journalling layer for block devices. It is
- currently used by the ext3 and OCFS2 file systems, but it could
- also be used to add journal support to other file systems or block
+ currently used by the ext3 file system, but it could also be
+ used to add journal support to other file systems or block
devices such as RAID or LVM.
- If you are using the ext3 or OCFS2 file systems, you need to
- say Y here. If you are not using ext3 OCFS2 then you will probably
- want to say N.
+ If you are using the ext3 file system, you need to say Y here.
+ If you are not using ext3 then you will probably want to say N.
To compile this device as a module, choose M here: the module will be
- called jbd. If you are compiling ext3 or OCFS2 into the kernel,
- you cannot compile this code as a module.
+ called jbd. If you are compiling ext3 into the kernel, you
+ cannot compile this code as a module.
config JBD_DEBUG
bool "JBD (ext3) debugging support"
help
This is a generic journaling layer for block devices that support
both 32-bit and 64-bit block numbers. It is currently used by
- the ext4 filesystem, but it could also be used to add
+ the ext4 and OCFS2 filesystems, but it could also be used to add
journal support to other file systems or block devices such
as RAID or LVM.
- If you are using ext4, you need to say Y here. If you are not
- using ext4 then you will probably want to say N.
+ If you are using ext4 or OCFS2, you need to say Y here.
+ If you are not using ext4 or OCFS2 then you will
+ probably want to say N.
To compile this device as a module, choose M here. The module will be
- called jbd2. If you are compiling ext4 into the kernel,
+ called jbd2. If you are compiling ext4 or OCFS2 into the kernel,
you cannot compile this code as a module.
config JBD2_DEBUG
tristate "OCFS2 file system support"
depends on NET && SYSFS
select CONFIGFS_FS
- select JBD
+ select JBD2
select CRC32
help
OCFS2 is a general purpose extent based shared disk cluster file
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.
+
endif # BLOCK
config DNOTIFY
return status;
}
-static int ocfs2_writeback_zero_func(handle_t *handle, struct buffer_head *bh)
+static int ocfs2_zero_func(handle_t *handle, struct buffer_head *bh)
{
set_buffer_uptodate(bh);
mark_buffer_dirty(bh);
return 0;
}
-static int ocfs2_ordered_zero_func(handle_t *handle, struct buffer_head *bh)
-{
- set_buffer_uptodate(bh);
- mark_buffer_dirty(bh);
- return ocfs2_journal_dirty_data(handle, bh);
-}
-
static void ocfs2_map_and_dirty_page(struct inode *inode, handle_t *handle,
unsigned int from, unsigned int to,
struct page *page, int zero, u64 *phys)
* here if they aren't - ocfs2_map_page_blocks()
* might've skipped some
*/
- if (ocfs2_should_order_data(inode)) {
- ret = walk_page_buffers(handle,
- page_buffers(page),
- from, to, &partial,
- ocfs2_ordered_zero_func);
- if (ret < 0)
- mlog_errno(ret);
- } else {
+ ret = walk_page_buffers(handle, page_buffers(page),
+ from, to, &partial,
+ ocfs2_zero_func);
+ if (ret < 0)
+ 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_writeback_zero_func);
+ ocfs2_journal_dirty_data);
+#endif
if (ret < 0)
mlog_errno(ret);
}
}
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);
- if (ret < 0)
+#endif
+ if (ret < 0)
mlog_errno(ret);
}
out:
{
journal_t *journal = OCFS2_SB(page->mapping->host->i_sb)->journal->j_journal;
- journal_invalidatepage(journal, page, offset);
+ jbd2_journal_invalidatepage(journal, page, offset);
}
static int ocfs2_releasepage(struct page *page, gfp_t wait)
if (!page_has_buffers(page))
return 0;
- return journal_try_to_free_buffers(journal, page, wait);
+ return jbd2_journal_try_to_free_buffers(journal, page, wait);
}
static ssize_t ocfs2_direct_IO(int rw,
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);
}
}
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);
}
}
goto bail;
journal = osb->journal->j_journal;
- err = journal_force_commit(journal);
+ err = jbd2_journal_force_commit(journal);
bail:
mlog_exit(err);
goto bail_unlock;
}
- if (i_size_read(inode) > attr->ia_size)
+ if (i_size_read(inode) > attr->ia_size) {
+ if (ocfs2_should_order_data(inode)) {
+ status = ocfs2_begin_ordered_truncate(inode,
+ attr->ia_size);
+ if (status)
+ goto bail_unlock;
+ }
status = ocfs2_truncate_file(inode, bh, attr->ia_size);
- else
+ } else
status = ocfs2_extend_file(inode, bh, attr->ia_size);
if (status < 0) {
if (status != -ENOSPC)
*/
if (old_size != i_size_read(inode) ||
old_clusters != OCFS2_I(inode)->ip_clusters) {
- ret = journal_force_commit(osb->journal->j_journal);
+ ret = jbd2_journal_force_commit(osb->journal->j_journal);
if (ret < 0)
written = ret;
}
* data and fast symlinks.
*/
if (fe->i_clusters) {
+ if (ocfs2_should_order_data(inode))
+ ocfs2_begin_ordered_truncate(inode, 0);
+
handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
oi->ip_last_trans = 0;
oi->ip_dir_start_lookup = 0;
oi->ip_blkno = 0ULL;
+ jbd2_journal_release_jbd_inode(OCFS2_SB(inode->i_sb)->journal->j_journal,
+ &oi->ip_jinode);
bail:
mlog_exit_void();
struct ocfs2_extent_map ip_extent_map;
struct inode vfs_inode;
+ struct jbd2_inode ip_jinode;
};
/*
goto finally;
}
- journal_lock_updates(journal->j_journal);
- status = journal_flush(journal->j_journal);
- journal_unlock_updates(journal->j_journal);
+ jbd2_journal_lock_updates(journal->j_journal);
+ status = jbd2_journal_flush(journal->j_journal);
+ jbd2_journal_unlock_updates(journal->j_journal);
if (status < 0) {
up_write(&journal->j_trans_barrier);
mlog_errno(status);
down_read(&osb->journal->j_trans_barrier);
- handle = journal_start(journal, max_buffs);
+ handle = jbd2_journal_start(journal, max_buffs);
if (IS_ERR(handle)) {
up_read(&osb->journal->j_trans_barrier);
BUG_ON(!handle);
- ret = journal_stop(handle);
+ ret = jbd2_journal_stop(handle);
if (ret < 0)
mlog_errno(ret);
* transaction. extend_trans will either extend the current handle by
* nblocks, or commit it and start a new one with nblocks credits.
*
- * This might call journal_restart() which will commit dirty buffers
+ * This might call jbd2_journal_restart() which will commit dirty buffers
* and then restart the transaction. Before calling
* ocfs2_extend_trans(), any changed blocks should have been
* dirtied. After calling it, all blocks which need to be changed must
#ifdef CONFIG_OCFS2_DEBUG_FS
status = 1;
#else
- status = journal_extend(handle, nblocks);
+ status = jbd2_journal_extend(handle, nblocks);
if (status < 0) {
mlog_errno(status);
goto bail;
#endif
if (status > 0) {
- mlog(0, "journal_extend failed, trying journal_restart\n");
- status = journal_restart(handle, nblocks);
+ mlog(0,
+ "jbd2_journal_extend failed, trying "
+ "jbd2_journal_restart\n");
+ status = jbd2_journal_restart(handle, nblocks);
if (status < 0) {
mlog_errno(status);
goto bail;
switch (type) {
case OCFS2_JOURNAL_ACCESS_CREATE:
case OCFS2_JOURNAL_ACCESS_WRITE:
- status = journal_get_write_access(handle, bh);
+ status = jbd2_journal_get_write_access(handle, bh);
break;
case OCFS2_JOURNAL_ACCESS_UNDO:
- status = journal_get_undo_access(handle, bh);
+ status = jbd2_journal_get_undo_access(handle, bh);
break;
default:
mlog_entry("(bh->b_blocknr=%llu)\n",
(unsigned long long)bh->b_blocknr);
- status = journal_dirty_metadata(handle, bh);
+ status = jbd2_journal_dirty_metadata(handle, bh);
if (status < 0)
mlog(ML_ERROR, "Could not dirty metadata buffer. "
"(bh->b_blocknr=%llu)\n",
return status;
}
+#ifdef CONFIG_OCFS2_COMPAT_JBD
int ocfs2_journal_dirty_data(handle_t *handle,
struct buffer_head *bh)
{
return err;
}
+#endif
-#define OCFS2_DEFAULT_COMMIT_INTERVAL (HZ * JBD_DEFAULT_MAX_COMMIT_AGE)
+#define OCFS2_DEFAULT_COMMIT_INTERVAL (HZ * JBD2_DEFAULT_MAX_COMMIT_AGE)
void ocfs2_set_journal_params(struct ocfs2_super *osb)
{
spin_lock(&journal->j_state_lock);
journal->j_commit_interval = commit_interval;
if (osb->s_mount_opt & OCFS2_MOUNT_BARRIER)
- journal->j_flags |= JFS_BARRIER;
+ journal->j_flags |= JBD2_BARRIER;
else
- journal->j_flags &= ~JFS_BARRIER;
+ journal->j_flags &= ~JBD2_BARRIER;
spin_unlock(&journal->j_state_lock);
}
mlog(0, "inode->ip_clusters = %u\n", OCFS2_I(inode)->ip_clusters);
/* call the kernels journal init function now */
- j_journal = journal_init_inode(inode);
+ j_journal = jbd2_journal_init_inode(inode);
if (j_journal == NULL) {
mlog(ML_ERROR, "Linux journal layer error\n");
status = -EINVAL;
goto done;
}
- mlog(0, "Returned from journal_init_inode\n");
+ mlog(0, "Returned from jbd2_journal_init_inode\n");
mlog(0, "j_journal->j_maxlen = %u\n", j_journal->j_maxlen);
*dirty = (le32_to_cpu(di->id1.journal1.ij_flags) &
if (journal->j_state != OCFS2_JOURNAL_LOADED)
goto done;
- /* need to inc inode use count as journal_destroy will iput. */
+ /* need to inc inode use count - jbd2_journal_destroy will iput. */
if (!igrab(inode))
BUG();
BUG_ON(atomic_read(&(osb->journal->j_num_trans)) != 0);
if (ocfs2_mount_local(osb)) {
- journal_lock_updates(journal->j_journal);
- status = journal_flush(journal->j_journal);
- journal_unlock_updates(journal->j_journal);
+ jbd2_journal_lock_updates(journal->j_journal);
+ status = jbd2_journal_flush(journal->j_journal);
+ jbd2_journal_unlock_updates(journal->j_journal);
if (status < 0)
mlog_errno(status);
}
}
/* Shutdown the kernel journal system */
- journal_destroy(journal->j_journal);
+ jbd2_journal_destroy(journal->j_journal);
OCFS2_I(inode)->ip_open_count--;
{
int olderr;
- olderr = journal_errno(journal);
+ olderr = jbd2_journal_errno(journal);
if (olderr) {
mlog(ML_ERROR, "File system error %d recorded in "
"journal %u.\n", olderr, slot);
mlog(ML_ERROR, "File system on device %s needs checking.\n",
sb->s_id);
- journal_ack_err(journal);
- journal_clear_err(journal);
+ jbd2_journal_ack_err(journal);
+ jbd2_journal_clear_err(journal);
}
}
osb = journal->j_osb;
- status = journal_load(journal->j_journal);
+ status = jbd2_journal_load(journal->j_journal);
if (status < 0) {
mlog(ML_ERROR, "Failed to load journal!\n");
goto done;
BUG_ON(!journal);
- status = journal_wipe(journal->j_journal, full);
+ status = jbd2_journal_wipe(journal->j_journal, full);
if (status < 0) {
mlog_errno(status);
goto bail;
}
mlog(0, "calling journal_init_inode\n");
- journal = journal_init_inode(inode);
+ journal = jbd2_journal_init_inode(inode);
if (journal == NULL) {
mlog(ML_ERROR, "Linux journal layer error\n");
status = -EIO;
goto done;
}
- status = journal_load(journal);
+ status = jbd2_journal_load(journal);
if (status < 0) {
mlog_errno(status);
if (!igrab(inode))
BUG();
- journal_destroy(journal);
+ jbd2_journal_destroy(journal);
goto done;
}
/* wipe the journal */
mlog(0, "flushing the journal.\n");
- journal_lock_updates(journal);
- status = journal_flush(journal);
- journal_unlock_updates(journal);
+ jbd2_journal_lock_updates(journal);
+ status = jbd2_journal_flush(journal);
+ jbd2_journal_unlock_updates(journal);
if (status < 0)
mlog_errno(status);
if (!igrab(inode))
BUG();
- journal_destroy(journal);
+ jbd2_journal_destroy(journal);
done:
/* drop the lock on this nodes journal */
#define OCFS2_JOURNAL_H
#include <linux/fs.h>
-#include <linux/jbd.h>
+#ifndef CONFIG_OCFS2_COMPAT_JBD
+# include <linux/jbd2.h>
+#else
+# include <linux/jbd.h>
+# include "ocfs2_jbd_compat.h"
+#endif
enum ocfs2_journal_state {
OCFS2_JOURNAL_FREE = 0,
* buffer. Will have to call ocfs2_journal_dirty once
* we've actually dirtied it. Type is one of . or .
* ocfs2_journal_dirty - Mark a journalled buffer as having dirty data.
- * ocfs2_journal_dirty_data - Indicate that a data buffer should go out before
- * the current handle commits.
+ * ocfs2_jbd2_file_inode - Mark an inode so that its data goes out before
+ * the current handle commits.
*/
/* You must always start_trans with a number of buffs > 0, but it's
*/
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:
return credits;
}
+static inline int ocfs2_jbd2_file_inode(handle_t *handle, struct inode *inode)
+{
+ return jbd2_journal_file_inode(handle, &OCFS2_I(inode)->ip_jinode);
+}
+
+static inline int ocfs2_begin_ordered_truncate(struct inode *inode,
+ loff_t new_size)
+{
+ return jbd2_journal_begin_ordered_truncate(&OCFS2_I(inode)->ip_jinode,
+ new_size);
+}
+
#endif /* OCFS2_JOURNAL_H */
#include <linux/workqueue.h>
#include <linux/kref.h>
#include <linux/mutex.h>
-#include <linux/jbd.h>
+#ifndef CONFIG_OCFS2_COMPAT_JBD
+# include <linux/jbd2.h>
+#else
+# include <linux/jbd.h>
+# include "ocfs2_jbd_compat.h"
+#endif
/* For union ocfs2_dlm_lksb */
#include "stackglue.h"
--- /dev/null
+/* -*- 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 */
ocfs2_schedule_truncate_log_flush(osb, 0);
}
- if (journal_start_commit(OCFS2_SB(sb)->journal->j_journal, &target)) {
+ if (jbd2_journal_start_commit(OCFS2_SB(sb)->journal->j_journal,
+ &target)) {
if (wait)
- log_wait_commit(OCFS2_SB(sb)->journal->j_journal,
- target);
+ jbd2_log_wait_commit(OCFS2_SB(sb)->journal->j_journal,
+ target);
}
return 0;
}
if (!oi)
return NULL;
+ jbd2_journal_init_jbd_inode(&oi->ip_jinode, &oi->vfs_inode);
return &oi->vfs_inode;
}
if (option < 0)
return 0;
if (option == 0)
- option = JBD_DEFAULT_MAX_COMMIT_AGE;
+ option = JBD2_DEFAULT_MAX_COMMIT_AGE;
mopt->commit_interval = HZ * option;
break;
case Opt_localalloc:
#include <linux/highmem.h>
#include <linux/buffer_head.h>
#include <linux/rbtree.h>
-#include <linux/jbd.h>
+#ifndef CONFIG_OCFS2_COMPAT_JBD
+# include <linux/jbd2.h>
+#else
+# include <linux/jbd.h>
+#endif
#define MLOG_MASK_PREFIX ML_UPTODATE
git://ftp.safe.ca / safe / jmp / linux-2.6 / commitdiff