/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * lustre/lib/fsfilt_reiserfs.c
- * Lustre filesystem abstraction routines
+ * GPL HEADER START
*
- * Copyright (C) 2002 Cluster File Systems, Inc.
- * Author: Andreas Dilger <adilger@clusterfs.com>
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * This file is part of Lustre, http://www.lustre.org.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
*
- * Lustre is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License 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 version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
- * Lustre 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
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
*
- * You should have received a copy of the GNU General Public License
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/lvfs/fsfilt_reiserfs.c
+ *
+ * Author: Andreas Dilger <adilger@clusterfs.com>
*/
/*
#define DEBUG_SUBSYSTEM S_FILTER
#include <linux/fs.h>
-#include <linux/jbd.h>
#include <linux/slab.h>
#include <linux/pagemap.h>
#include <linux/quotaops.h>
#include <linux/version.h>
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
#include <linux/init.h>
#include <asm/statfs.h>
-#endif
-#include <linux/kp30.h>
-#include <linux/lustre_fsfilt.h>
-#include <linux/obd.h>
-#include <linux/obd_class.h>
+#include <libcfs/libcfs.h>
+#include <lustre_fsfilt.h>
+#include <obd.h>
#include <linux/module.h>
#include <linux/init.h>
+/* XXX We cannot include linux/reiserfs_fs.h here, because of symbols clash,
+ but we need MAX_HEIGHT definition for proper reserve calculations
+#include <linux/reiserfs_fs.h>
+*/
+#define MAX_HEIGHT 5 /* maximal height of a tree. don't change this without
+ changing JOURNAL_PER_BALANCE_CNT */
+
static void *fsfilt_reiserfs_start(struct inode *inode, int op,
- void *desc_private)
+ void *desc_private, int logs)
{
return (void *)0xf00f00be;
}
static void *fsfilt_reiserfs_brw_start(int objcount, struct fsfilt_objinfo *fso,
- int niocount, void *desc_private)
+ int niocount, struct niobuf_local *nb,
+ void *desc_private, int logs)
{
return (void *)0xf00f00be;
}
struct inode *inode = dentry->d_inode;
int rc;
- lock_kernel();
+ cfs_lock_kernel();
/* A _really_ horrible hack to avoid removing the data stored
* in the block pointers; this is really the "small" stripe MD data.
if (iattr->ia_valid & ATTR_SIZE && !do_trunc) {
/* ATTR_SIZE would invoke truncate: clear it */
iattr->ia_valid &= ~ATTR_SIZE;
- inode->i_size = iattr->ia_size;
+ i_size_write(inode, iattr->ia_size);
/* make sure _something_ gets set - so new inode
* goes to disk (probably won't work over XFS
rc = inode_setattr(inode, iattr);
}
- unlock_kernel();
+ cfs_unlock_kernel();
return rc;
}
static int fsfilt_reiserfs_set_md(struct inode *inode, void *handle,
- void *lmm, int lmm_size)
+ void *lmm, int lmm_size, const char *name)
{
/* XXX write stripe data into MDS file itself */
CERROR("not implemented yet\n");
return -ENOSYS;
}
-static int fsfilt_reiserfs_get_md(struct inode *inode, void *lmm, int lmm_size)
+static int fsfilt_reiserfs_get_md(struct inode *inode, void *lmm, int lmm_size,
+ const char *name)
{
if (lmm == NULL)
- return inode->i_size;
+ return i_size_read(inode);
CERROR("not implemented yet\n");
return -ENOSYS;
__u64 last_rcvd, void *handle,
fsfilt_cb_t cb_func, void *cb_data)
{
- static long next = 0;
+ static unsigned long next = 0;
- if (time_after(jiffies, next)) {
+ if (cfs_time_after(jiffies, next)) {
CERROR("no journal callback kernel patch, faking it...\n");
- next = jiffies + 300 * HZ;
+ next = jiffies + 300 * CFS_HZ;
}
cb_func(obd, last_rcvd, cb_data, 0);
return 0;
}
-static int fsfilt_reiserfs_statfs(struct super_block *sb, struct obd_statfs *osfs)
+static int fsfilt_reiserfs_statfs(struct super_block *sb,
+ struct obd_statfs *osfs)
{
- struct statfs sfs;
- int rc = vfs_statfs(sb, &sfs);
+ struct kstatfs sfs;
+ int rc;
+ memset(&sfs, 0, sizeof(sfs));
+ rc = ll_do_statfs(sb, &sfs);
statfs_pack(osfs, &sfs);
return rc;
}
return fsync_dev(sb->s_dev);
}
+/* If fso is NULL, op is FSFILT operation, otherwise op is number of fso
+ objects. Logs is number of logfiles to update */
+static int fsfilt_reiserfs_get_op_len(int op, struct fsfilt_objinfo *fso,
+ int logs)
+{
+ if ( !fso ) {
+ switch(op) {
+ case FSFILT_OP_CREATE:
+ /* directory leaf, index & indirect & EA*/
+ return MAX_HEIGHT + logs;
+ case FSFILT_OP_UNLINK:
+ return MAX_HEIGHT + logs;
+ }
+
+ } else {
+ int i;
+ int needed = MAX_HEIGHT;
+ struct super_block *sb = fso->fso_dentry->d_inode->i_sb;
+ int blockpp = 1 << (CFS_PAGE_SHIFT - sb->s_blocksize_bits);
+ for (i = 0; i < op; i++, fso++) {
+ int nblocks = fso->fso_bufcnt * blockpp;
+
+ needed += nblocks;
+ }
+ return needed + logs;
+ }
+
+ return 0;
+}
static struct fsfilt_operations fsfilt_reiserfs_ops = {
- fs_type: "reiserfs",
- fs_owner: THIS_MODULE,
- fs_start: fsfilt_reiserfs_start,
- fs_brw_start: fsfilt_reiserfs_brw_start,
- fs_commit: fsfilt_reiserfs_commit,
- fs_setattr: fsfilt_reiserfs_setattr,
- fs_set_md: fsfilt_reiserfs_set_md,
- fs_get_md: fsfilt_reiserfs_get_md,
- fs_readpage: fsfilt_reiserfs_readpage,
- fs_add_journal_cb: fsfilt_reiserfs_add_journal_cb,
- fs_statfs: fsfilt_reiserfs_statfs,
- fs_sync: fsfilt_reiserfs_sync,
+ .fs_type = "reiserfs",
+ .fs_owner = THIS_MODULE,
+ .fs_start = fsfilt_reiserfs_start,
+ .fs_brw_start = fsfilt_reiserfs_brw_start,
+ .fs_commit = fsfilt_reiserfs_commit,
+ .fs_setattr = fsfilt_reiserfs_setattr,
+ .fs_set_md = fsfilt_reiserfs_set_md,
+ .fs_get_md = fsfilt_reiserfs_get_md,
+ .fs_readpage = fsfilt_reiserfs_readpage,
+ .fs_add_journal_cb = fsfilt_reiserfs_add_journal_cb,
+ .fs_statfs = fsfilt_reiserfs_statfs,
+ .fs_sync = fsfilt_reiserfs_sync,
+ .fs_get_op_len = fsfilt_reiserfs_get_op_len,
};
static int __init fsfilt_reiserfs_init(void)
fsfilt_unregister_ops(&fsfilt_reiserfs_ops);
}
-MODULE_AUTHOR("Cluster File Systems, Inc. <info@clusterfs.com>");
+MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
MODULE_DESCRIPTION("Lustre reiserfs Filesystem Helper v0.1");
MODULE_LICENSE("GPL");
git://git.whamcloud.com / fs / lustre-release.git / blobdiff