/* -*- 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 (c) 2002, 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/include/linux/lustre_fsfilt.h
+ *
+ * Filesystem interface helper.
*/
#ifndef _LINUX_LUSTRE_FSFILT_H
int fso_bufcnt;
};
-#define XATTR_LUSTRE_MDS_LOV_EA "lov"
+struct fsfilt_fid {
+ __u32 ino;
+ __u32 gen;
+};
struct lustre_dquot;
struct fsfilt_operations {
- struct list_head fs_list;
- struct module *fs_owner;
+ cfs_list_t fs_list;
+ cfs_module_t *fs_owner;
char *fs_type;
char *(* fs_getlabel)(struct super_block *sb);
int (* fs_setlabel)(struct super_block *sb, char *label);
int (* fs_map_inode_pages)(struct inode *inode, struct page **page,
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);
+ cfs_semaphore_t *sem);
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);
+ cfs_list_t *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);
+ struct dentry *(* fs_fid2dentry)(struct vfsmount *mnt,
+ struct fsfilt_fid *fid,
+ int ignore_gen);
};
extern int fsfilt_register_ops(struct fsfilt_operations *fs_ops);
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_check_slow(obd, start, timeout, 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)) \
- CWARN("%s: slow %s %lus\n", obd->obd_name, msg, \
- (jiffies - start) / HZ); \
- else \
- CERROR("%s: slow %s %lus\n", obd->obd_name, msg, \
- (jiffies - start) / HZ); \
+#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_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 (cfs_time_before(jiffies, start + 15 * CFS_HZ)) \
+ break; \
+ else if (cfs_time_before(jiffies, start + 30 * CFS_HZ)) \
+ CDEBUG(D_VFSTRACE, "%s: slow %s %lus\n", obd->obd_name, \
+ msg, (jiffies-start) / CFS_HZ); \
+ else if (cfs_time_before(jiffies, start + DISK_TIMEOUT * CFS_HZ)) \
+ CWARN("%s: slow %s %lus\n", obd->obd_name, msg, \
+ (jiffies - start) / CFS_HZ); \
+ else \
+ CERROR("%s: slow %s %lus\n", obd->obd_name, msg, \
+ (jiffies - start) / CFS_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,
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_iocontrol(struct obd_device *obd, struct inode *inode,
- struct file *file, unsigned int cmd,
- unsigned long arg)
+static inline int fsfilt_iocontrol(struct obd_device *obd, struct dentry *dentry,
+ unsigned int cmd, unsigned long arg)
{
- return obd->obd_fsops->fs_iocontrol(inode, file, cmd, arg);
+ struct file *dummy_file = NULL;
+ int ret;
+
+ OBD_ALLOC_PTR(dummy_file);
+ if (!dummy_file)
+ return(-ENOMEM);
+
+ dummy_file->f_dentry = dentry;
+ dummy_file->f_vfsmnt = obd->u.obt.obt_vfsmnt;
+
+ ret = obd->obd_fsops->fs_iocontrol(dentry->d_inode, dummy_file, cmd,
+ arg);
+
+ OBD_FREE_PTR(dummy_file);
+ return ret;
}
static inline int fsfilt_set_md(struct obd_device *obd, struct inode *inode,
}
static inline int fsfilt_qids(struct obd_device *obd, struct file *file,
- struct inode *inode, int type,
- struct list_head *list)
+ struct inode *inode, int type,
+ cfs_list_t *list)
{
if (obd->obd_fsops->fs_qids)
return obd->obd_fsops->fs_qids(file, inode, type, list);
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,
unsigned long *blocks, int *created,
- int create, struct semaphore *sem)
+ int create, cfs_semaphore_t *sem)
{
return obd->obd_fsops->fs_map_inode_pages(inode, page, pages, blocks,
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;
+}
+
+static inline struct dentry *fsfilt_fid2dentry(struct obd_device *obd,
+ struct vfsmount *mnt,
+ struct fsfilt_fid *fid,
+ int ignore_gen)
+{
+ if (obd->obd_fsops->fs_fid2dentry)
+ return obd->obd_fsops->fs_fid2dentry(mnt, fid, ignore_gen);
+ return ERR_PTR(-EOPNOTSUPP);
+}
+
#endif /* __KERNEL__ */
#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff