/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * lustre lite cluster file system
- *
- * This code is issued under the GNU General Public License.
- * See the file COPYING in this distribution
- *
+ * GPL HEADER START
*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
+ * 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.
+ *
+ * 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
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
+ *
+ * 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.
+ */
+
+#ifndef _LINUX_LL_H
+#define _LINUX_LL_H
+#ifndef _LL_H
+#error Do not #include this file directly. #include <lustre_lite.h> instead
+#endif
+#ifdef __KERNEL__
-#ifndef _LL_H
-#define _LL_H
+#include <linux/version.h>
+
+#include <asm/statfs.h>
#include <linux/fs.h>
-#include <linux/ext2_fs.h>
-
-#include <linux/lustre_net.h>
-#include <linux/lustre_mds.h>
-#include <linux/lustre_ha.h>
-#include <linux/obdo.h>
-
-extern kmem_cache_t *ll_file_data_slab;
-struct ll_file_data {
- __u64 fd_mdshandle;
- struct ptlrpc_request *fd_req;
- __u32 fd_flags;
-};
+#include <linux/dcache.h>
+#include <linux/proc_fs.h>
-struct ll_inode_md {
- struct mds_body *body;
- struct obdo *obdo;
-};
+#include <obd_class.h>
+#include <lustre_net.h>
+#include <lustre_ha.h>
-#define LL_IOC_GETFLAGS _IOR ('f', 151, long)
-#define LL_IOC_SETFLAGS _IOW ('f', 152, long)
-#define LL_IOC_CLRFLAGS _IOW ('f', 153, long)
+#include <linux/rbtree.h>
+#include <linux/lustre_compat25.h>
+#include <linux/pagemap.h>
-#define LL_FILE_IGNORE_LOCK 0x00000001
+#ifdef HAVE_PERCPU_COUNTER
+#include <linux/percpu_counter.h>
-#define LL_INLINESZ 60
-struct ll_inode_info {
- int lli_flags;
- struct obdo *lli_obdo;
- char *lli_symlink_name;
- char lli_inline[LL_INLINESZ];
- struct lustre_handle lli_intent_lock_handle;
-};
+typedef struct percpu_counter lcounter_t;
-#define LL_SUPER_MAGIC 0x0BD00BD0
+#define lcounter_read(counter) (int)percpu_counter_read(counter)
+#define lcounter_inc(counter) percpu_counter_inc(counter)
+#define lcounter_dec(counter) percpu_counter_dec(counter)
-#define LL_COMMITCBD_STOPPING 0x1
-#define LL_COMMITCBD_STOPPED 0x2
-#define LL_COMMITCBD_RUNNING 0x4
-
-struct ll_sb_info {
- struct obd_conn ll_mdc_conn;
- struct obd_conn ll_osc_conn;
- ino_t ll_rootino; /* number of root inode */
+#ifdef HAVE_PERCPU_2ND_ARG
+# define lcounter_init(counter) percpu_counter_init(counter, 0)
+#else
+# define lcounter_init(counter) percpu_counter_init(counter)
+#endif
- wait_queue_head_t ll_commitcbd_waitq;
- wait_queue_head_t ll_commitcbd_ctl_waitq;
- int ll_commitcbd_flags;
- struct task_struct *ll_commitcbd_thread;
- time_t ll_commitcbd_waketime;
- time_t ll_commitcbd_timeout;
- spinlock_t ll_commitcbd_lock;
+#define lcounter_destroy(counter) percpu_counter_destroy(counter)
+
+#else
+typedef struct { cfs_atomic_t count; } lcounter_t;
+
+#define lcounter_read(counter) cfs_atomic_read(&counter->count)
+#define lcounter_inc(counter) cfs_atomic_inc(&counter->count)
+#define lcounter_dec(counter) cfs_atomic_dec(&counter->count)
+#define lcounter_init(counter) cfs_atomic_set(&counter->count, 0)
+#define lcounter_destroy(counter)
+
+#endif /* if defined HAVE_PERCPU_COUNTER */
+
+/* lprocfs.c */
+enum {
+ LPROC_LL_DIRTY_HITS = 0,
+ LPROC_LL_DIRTY_MISSES,
+ LPROC_LL_WB_WRITEPAGE,
+ LPROC_LL_WB_PRESSURE,
+ LPROC_LL_WB_OK,
+ LPROC_LL_WB_FAIL,
+ LPROC_LL_READ_BYTES,
+ LPROC_LL_WRITE_BYTES,
+ LPROC_LL_BRW_READ,
+ LPROC_LL_BRW_WRITE,
+ LPROC_LL_OSC_READ,
+ LPROC_LL_OSC_WRITE,
+ LPROC_LL_IOCTL,
+ LPROC_LL_OPEN,
+ LPROC_LL_RELEASE,
+ LPROC_LL_MAP,
+ LPROC_LL_LLSEEK,
+ LPROC_LL_FSYNC,
+ LPROC_LL_SETATTR,
+ LPROC_LL_TRUNC,
+ LPROC_LL_LOCKLESS_TRUNC,
+ LPROC_LL_FLOCK,
+ LPROC_LL_GETATTR,
+ LPROC_LL_STAFS,
+ LPROC_LL_ALLOC_INODE,
+ LPROC_LL_SETXATTR,
+ LPROC_LL_GETXATTR,
+ LPROC_LL_LISTXATTR,
+ LPROC_LL_REMOVEXATTR,
+ LPROC_LL_INODE_PERM,
+ LPROC_LL_DIRECT_READ,
+ LPROC_LL_DIRECT_WRITE,
+ LPROC_LL_LOCKLESS_READ,
+ LPROC_LL_LOCKLESS_WRITE,
+ LPROC_LL_FILE_OPCODES
};
-
-static inline struct ll_sb_info *ll_s2sbi(struct super_block *sb)
-{
- return (struct ll_sb_info *)(sb->u.generic_sbp);
-}
-
-static inline struct obd_conn *ll_s2obdconn(struct super_block *sb)
-{
- return &(ll_s2sbi(sb))->ll_osc_conn;
-}
-
-static inline struct mdc_obd *sbi2mdc(struct ll_sb_info *sbi)
-{
- struct obd_device *obd = gen_conn2obd(&sbi->ll_mdc_conn);
- return &obd->u.mdc;
-}
-
-static inline struct ll_sb_info *ll_i2sbi(struct inode *inode)
-{
- return ll_s2sbi(inode->i_sb);
-}
-
-static inline struct ll_inode_info *ll_i2info(struct inode *inode)
-{
- return (struct ll_inode_info *)&(inode->u.generic_ip);
-}
-
-static inline int ll_has_inline(struct inode *inode)
-{
- return (ll_i2info(inode)->lli_flags & OBD_FL_INLINEDATA);
-}
-
-
-static inline struct obd_conn *ll_i2obdconn(struct inode *inode)
-{
- return ll_s2obdconn(inode->i_sb);
-}
-
-static inline void ll_ino2fid(struct ll_fid *fid, ino_t ino, __u32 generation,
- int type)
-{
- fid->id = (__u64)ino;
- fid->generation = generation;
- fid->f_type = type;
-}
-
-static inline void ll_inode2fid(struct ll_fid *fid, struct inode *inode)
-{
- ll_ino2fid(fid, inode->i_ino, inode->i_generation,
- inode->i_mode & S_IFMT);
-}
-
-/* namei.c */
-int ll_lock(struct inode *dir, struct dentry *dentry,
- struct lookup_intent *it, struct lustre_handle *lockh);
-int ll_unlock(__u32 mode, struct lustre_handle *lockh);
-
-
-
-/* dir.c */
-extern struct file_operations ll_dir_operations;
-extern struct inode_operations ll_dir_inode_operations;
-
-/* file.c */
-extern struct file_operations ll_file_operations;
-extern struct inode_operations ll_file_inode_operations;
-
-/* rw.c */
-struct page *ll_getpage(struct inode *inode, unsigned long offset,
- int create, int locked);
-void ll_truncate(struct inode *inode);
-
-/* symlink.c */
-extern struct inode_operations ll_fast_symlink_inode_operations;
-extern struct inode_operations ll_symlink_inode_operations;
-
-/* sysctl.c */
-void ll_sysctl_init(void);
-void ll_sysctl_clean(void);
+#else
+#include <lustre/lustre_idl.h>
+#endif /* __KERNEL__ */
#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff