/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2001-2004 Cluster File Systems, Inc. <info@clusterfs.com>
+ * GPL HEADER START
*
- * This file is part of Lustre, http://www.lustre.org.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * 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 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 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.
+ * 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).
*
- * 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.
+ * 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
*
- * Filesystem interface helper.
+ * 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 2008 Sun Microsystems, Inc. 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/include/linux/lustre_fsfilt.h
+ *
+ * Filesystem interface helper.
*/
#ifndef _LINUX_LUSTRE_FSFILT_H
int fso_bufcnt;
};
-#define XATTR_LUSTRE_MDS_LOV_EA "lov"
-
struct lustre_dquot;
struct fsfilt_operations {
struct list_head fs_list;
int pages, unsigned long *blocks,
int *created, int create,
struct semaphore *sem);
- int (* fs_prep_san_write)(struct inode *inode, long *blocks,
- int nblocks, loff_t newsize);
int (* fs_write_record)(struct file *, void *, int size, loff_t *,
int force_sync);
int (* fs_read_record)(struct file *, void *, int size, loff_t *);
int (* fs_get_op_len)(int, struct fsfilt_objinfo *, int);
int (* fs_quotacheck)(struct super_block *sb,
struct obd_quotactl *oqctl);
+ __u64 (* fs_get_version) (struct inode *inode);
+ __u64 (* fs_set_version) (struct inode *inode, __u64 new_version);
int (* fs_quotactl)(struct super_block *sb,
struct obd_quotactl *oqctl);
int (* fs_quotainfo)(struct lustre_quota_info *lqi, int type,
int cmd);
int (* fs_qids)(struct file *file, struct inode *inode, int type,
struct list_head *list);
+ int (* fs_get_mblk)(struct super_block *sb, int *count,
+ struct inode *inode, int frags);
int (* fs_dquot)(struct lustre_dquot *dquot, int cmd);
+ lvfs_sbdev_type (* fs_journal_sbdev)(struct super_block *sb);
};
extern int fsfilt_register_ops(struct fsfilt_operations *fs_ops);
return obd->obd_fsops->fs_uuid(sb);
}
-#define FSFILT_OP_UNLINK 1
-#define FSFILT_OP_RMDIR 2
-#define FSFILT_OP_RENAME 3
-#define FSFILT_OP_CREATE 4
-#define FSFILT_OP_MKDIR 5
-#define FSFILT_OP_SYMLINK 6
-#define FSFILT_OP_MKNOD 7
-#define FSFILT_OP_SETATTR 8
-#define FSFILT_OP_LINK 9
-#define FSFILT_OP_CANCEL_UNLINK 10
-#define FSFILT_OP_JOIN 11
-#define FSFILT_OP_NOOP 15
-
-#define fsfilt_check_slow(obd, start, timeout, msg) \
+static inline lvfs_sbdev_type fsfilt_journal_sbdev(struct obd_device *obd,
+ struct super_block *sb)
+{
+ if (obd && obd->obd_fsops && obd->obd_fsops->fs_journal_sbdev)
+ return obd->obd_fsops->fs_journal_sbdev(sb);
+ return (lvfs_sbdev_type)0;
+}
+
+#define FSFILT_OP_UNLINK 1
+#define FSFILT_OP_RMDIR 2
+#define FSFILT_OP_RENAME 3
+#define FSFILT_OP_CREATE 4
+#define FSFILT_OP_MKDIR 5
+#define FSFILT_OP_SYMLINK 6
+#define FSFILT_OP_MKNOD 7
+#define FSFILT_OP_SETATTR 8
+#define FSFILT_OP_LINK 9
+#define FSFILT_OP_CANCEL_UNLINK 10
+#define FSFILT_OP_JOIN 11
+#define FSFILT_OP_NOOP 15
+#define FSFILT_OP_UNLINK_PARTIAL_CHILD 21
+#define FSFILT_OP_UNLINK_PARTIAL_PARENT 22
+#define FSFILT_OP_CREATE_PARTIAL_CHILD 23
+
+#define __fsfilt_check_slow(obd, start, msg) \
do { \
if (time_before(jiffies, start + 15 * HZ)) \
break; \
else if (time_before(jiffies, start + 30 * HZ)) \
CDEBUG(D_VFSTRACE, "%s: slow %s %lus\n", obd->obd_name, \
msg, (jiffies-start) / HZ); \
- else if (time_before(jiffies, start + timeout / 2 * HZ)) \
+ else if (time_before(jiffies, start + DISK_TIMEOUT * HZ)) \
CWARN("%s: slow %s %lus\n", obd->obd_name, msg, \
(jiffies - start) / HZ); \
else \
(jiffies - start) / HZ); \
} while (0)
+#define fsfilt_check_slow(obd, start, msg) \
+do { \
+ __fsfilt_check_slow(obd, start, msg); \
+ start = jiffies; \
+} while (0)
+
static inline void *fsfilt_start_log(struct obd_device *obd,
struct inode *inode, int op,
struct obd_trans_info *oti, int logs)
void *parent_handle = oti ? oti->oti_handle : NULL;
void *handle;
- if (obd->obd_fail)
- return ERR_PTR(-EROFS);
-
handle = obd->obd_fsops->fs_start(inode, op, parent_handle, logs);
CDEBUG(D_INFO, "started handle %p (%p)\n", handle, parent_handle);
LBUG();
}
}
- fsfilt_check_slow(obd, now, obd_timeout, "journal start");
+ fsfilt_check_slow(obd, now, "journal start");
return handle;
}
void *parent_handle = oti ? oti->oti_handle : NULL;
void *handle;
- if (obd->obd_fail)
- return ERR_PTR(-EROFS);
-
handle = obd->obd_fsops->fs_brw_start(objcount, fso, niocount, nb,
parent_handle, logs);
CDEBUG(D_INFO, "started handle %p (%p)\n", handle, parent_handle);
LBUG();
}
}
- fsfilt_check_slow(obd, now, obd_timeout, "journal start");
+ fsfilt_check_slow(obd, now, "journal start");
return handle;
}
int rc = obd->obd_fsops->fs_extend(inode, nblocks, handle);
CDEBUG(D_INFO, "extending handle %p with %u blocks\n", handle, nblocks);
- fsfilt_check_slow(obd, now, obd_timeout, "journal extend");
+ fsfilt_check_slow(obd, now, "journal extend");
return rc;
}
int rc = obd->obd_fsops->fs_commit(inode, handle, force_sync);
CDEBUG(D_INFO, "committing handle %p\n", handle);
- fsfilt_check_slow(obd, now, obd_timeout, "journal start");
+ fsfilt_check_slow(obd, now, "journal start");
return rc;
}
int rc = obd->obd_fsops->fs_commit_async(inode, handle, wait_handle);
CDEBUG(D_INFO, "committing handle %p (async)\n", *wait_handle);
- fsfilt_check_slow(obd, now, obd_timeout, "journal start");
+ fsfilt_check_slow(obd, now, "journal start");
return rc;
}
unsigned long now = jiffies;
int rc = obd->obd_fsops->fs_commit_wait(inode, handle);
CDEBUG(D_INFO, "waiting for completion %p\n", handle);
- fsfilt_check_slow(obd, now, obd_timeout, "journal start");
+ fsfilt_check_slow(obd, now, "journal start");
return rc;
}
unsigned long now = jiffies;
int rc;
rc = obd->obd_fsops->fs_setattr(dentry, handle, iattr, do_trunc);
- fsfilt_check_slow(obd, now, obd_timeout, "setattr");
+ fsfilt_check_slow(obd, now, "setattr");
return rc;
}
}
static inline int fsfilt_qids(struct obd_device *obd, struct file *file,
- struct inode *inode, int type,
+ struct inode *inode, int type,
struct list_head *list)
{
if (obd->obd_fsops->fs_qids)
return -ENOTSUPP;
}
+static inline int fsfilt_get_mblk(struct obd_device *obd,
+ struct super_block *sb, int *count,
+ struct inode *inode, int frags)
+{
+ if (obd->obd_fsops->fs_get_mblk)
+ return obd->obd_fsops->fs_get_mblk(sb, count, inode, frags);
+ return -ENOTSUPP;
+}
+
static inline int fsfilt_map_inode_pages(struct obd_device *obd,
struct inode *inode,
struct page **page, int pages,
created, create, sem);
}
-static inline int fs_prep_san_write(struct obd_device *obd, struct inode *inode,
- long *blocks, int nblocks, loff_t newsize)
-{
- return obd->obd_fsops->fs_prep_san_write(inode, blocks,
- nblocks, newsize);
-}
-
static inline int fsfilt_read_record(struct obd_device *obd, struct file *file,
void *buf, loff_t size, loff_t *offs)
{
return 0;
}
+static inline __u64 fsfilt_set_version(struct obd_device *obd,
+ struct inode *inode, __u64 new_version)
+{
+ if (obd->obd_fsops->fs_set_version)
+ return obd->obd_fsops->fs_set_version(inode, new_version);
+ return -EOPNOTSUPP;
+}
+
+static inline __u64 fsfilt_get_version(struct obd_device *obd,
+ struct inode *inode)
+{
+ if (obd->obd_fsops->fs_get_version)
+ return obd->obd_fsops->fs_get_version(inode);
+ return -EOPNOTSUPP;
+}
+
#endif /* __KERNEL__ */
#endif