diff options
Diffstat (limited to 'ANDROID_3.4.5/fs/ocfs2/dlmglue.h')
| -rw-r--r-- | ANDROID_3.4.5/fs/ocfs2/dlmglue.h | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/ANDROID_3.4.5/fs/ocfs2/dlmglue.h b/ANDROID_3.4.5/fs/ocfs2/dlmglue.h deleted file mode 100644 index 1d596d8c..00000000 --- a/ANDROID_3.4.5/fs/ocfs2/dlmglue.h +++ /dev/null @@ -1,172 +0,0 @@ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * - * dlmglue.h - * - * description here - * - * Copyright (C) 2002, 2004 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 as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * 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. - * - * You should have received a copy of the GNU General Public - * License along with this program; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 021110-1307, USA. - */ - - -#ifndef DLMGLUE_H -#define DLMGLUE_H - -#include "dcache.h" - -#define OCFS2_LVB_VERSION 5 - -struct ocfs2_meta_lvb { - __u8 lvb_version; - __u8 lvb_reserved0; - __be16 lvb_idynfeatures; - __be32 lvb_iclusters; - __be32 lvb_iuid; - __be32 lvb_igid; - __be64 lvb_iatime_packed; - __be64 lvb_ictime_packed; - __be64 lvb_imtime_packed; - __be64 lvb_isize; - __be16 lvb_imode; - __be16 lvb_inlink; - __be32 lvb_iattr; - __be32 lvb_igeneration; - __be32 lvb_reserved2; -}; - -#define OCFS2_QINFO_LVB_VERSION 1 - -struct ocfs2_qinfo_lvb { - __u8 lvb_version; - __u8 lvb_reserved[3]; - __be32 lvb_bgrace; - __be32 lvb_igrace; - __be32 lvb_syncms; - __be32 lvb_blocks; - __be32 lvb_free_blk; - __be32 lvb_free_entry; -}; - -#define OCFS2_ORPHAN_LVB_VERSION 1 - -struct ocfs2_orphan_scan_lvb { - __u8 lvb_version; - __u8 lvb_reserved[3]; - __be32 lvb_os_seqno; -}; - -/* ocfs2_inode_lock_full() 'arg_flags' flags */ -/* don't wait on recovery. */ -#define OCFS2_META_LOCK_RECOVERY (0x01) -/* Instruct the dlm not to queue ourselves on the other node. */ -#define OCFS2_META_LOCK_NOQUEUE (0x02) -/* don't block waiting for the downconvert thread, instead return -EAGAIN */ -#define OCFS2_LOCK_NONBLOCK (0x04) - -/* Locking subclasses of inode cluster lock */ -enum { - OI_LS_NORMAL = 0, - OI_LS_PARENT, - OI_LS_RENAME1, - OI_LS_RENAME2, - OI_LS_REFLINK_TARGET, -}; - -int ocfs2_dlm_init(struct ocfs2_super *osb); -void ocfs2_dlm_shutdown(struct ocfs2_super *osb, int hangup_pending); -void ocfs2_lock_res_init_once(struct ocfs2_lock_res *res); -void ocfs2_inode_lock_res_init(struct ocfs2_lock_res *res, - enum ocfs2_lock_type type, - unsigned int generation, - struct inode *inode); -void ocfs2_dentry_lock_res_init(struct ocfs2_dentry_lock *dl, - u64 parent, struct inode *inode); -struct ocfs2_file_private; -void ocfs2_file_lock_res_init(struct ocfs2_lock_res *lockres, - struct ocfs2_file_private *fp); -struct ocfs2_mem_dqinfo; -void ocfs2_qinfo_lock_res_init(struct ocfs2_lock_res *lockres, - struct ocfs2_mem_dqinfo *info); -void ocfs2_refcount_lock_res_init(struct ocfs2_lock_res *lockres, - struct ocfs2_super *osb, u64 ref_blkno, - unsigned int generation); -void ocfs2_lock_res_free(struct ocfs2_lock_res *res); -int ocfs2_create_new_inode_locks(struct inode *inode); -int ocfs2_drop_inode_locks(struct inode *inode); -int ocfs2_rw_lock(struct inode *inode, int write); -void ocfs2_rw_unlock(struct inode *inode, int write); -int ocfs2_open_lock(struct inode *inode); -int ocfs2_try_open_lock(struct inode *inode, int write); -void ocfs2_open_unlock(struct inode *inode); -int ocfs2_inode_lock_atime(struct inode *inode, - struct vfsmount *vfsmnt, - int *level); -int ocfs2_inode_lock_full_nested(struct inode *inode, - struct buffer_head **ret_bh, - int ex, - int arg_flags, - int subclass); -int ocfs2_inode_lock_with_page(struct inode *inode, - struct buffer_head **ret_bh, - int ex, - struct page *page); -/* Variants without special locking class or flags */ -#define ocfs2_inode_lock_full(i, r, e, f)\ - ocfs2_inode_lock_full_nested(i, r, e, f, OI_LS_NORMAL) -#define ocfs2_inode_lock_nested(i, b, e, s)\ - ocfs2_inode_lock_full_nested(i, b, e, 0, s) -/* 99% of the time we don't want to supply any additional flags -- - * those are for very specific cases only. */ -#define ocfs2_inode_lock(i, b, e) ocfs2_inode_lock_full_nested(i, b, e, 0, OI_LS_NORMAL) -void ocfs2_inode_unlock(struct inode *inode, - int ex); -int ocfs2_super_lock(struct ocfs2_super *osb, - int ex); -void ocfs2_super_unlock(struct ocfs2_super *osb, - int ex); -int ocfs2_orphan_scan_lock(struct ocfs2_super *osb, u32 *seqno); -void ocfs2_orphan_scan_unlock(struct ocfs2_super *osb, u32 seqno); - -int ocfs2_rename_lock(struct ocfs2_super *osb); -void ocfs2_rename_unlock(struct ocfs2_super *osb); -int ocfs2_nfs_sync_lock(struct ocfs2_super *osb, int ex); -void ocfs2_nfs_sync_unlock(struct ocfs2_super *osb, int ex); -int ocfs2_dentry_lock(struct dentry *dentry, int ex); -void ocfs2_dentry_unlock(struct dentry *dentry, int ex); -int ocfs2_file_lock(struct file *file, int ex, int trylock); -void ocfs2_file_unlock(struct file *file); -int ocfs2_qinfo_lock(struct ocfs2_mem_dqinfo *oinfo, int ex); -void ocfs2_qinfo_unlock(struct ocfs2_mem_dqinfo *oinfo, int ex); -struct ocfs2_refcount_tree; -int ocfs2_refcount_lock(struct ocfs2_refcount_tree *ref_tree, int ex); -void ocfs2_refcount_unlock(struct ocfs2_refcount_tree *ref_tree, int ex); - - -void ocfs2_mark_lockres_freeing(struct ocfs2_lock_res *lockres); -void ocfs2_simple_drop_lockres(struct ocfs2_super *osb, - struct ocfs2_lock_res *lockres); - -/* for the downconvert thread */ -void ocfs2_wake_downconvert_thread(struct ocfs2_super *osb); - -struct ocfs2_dlm_debug *ocfs2_new_dlm_debug(void); -void ocfs2_put_dlm_debug(struct ocfs2_dlm_debug *dlm_debug); - -/* To set the locking protocol on module initialization */ -void ocfs2_set_locking_protocol(void); -#endif /* DLMGLUE_H */ |