diff options
Diffstat (limited to 'ANDROID_3.4.5/fs/ocfs2/inode.h')
| -rw-r--r-- | ANDROID_3.4.5/fs/ocfs2/inode.h | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/ANDROID_3.4.5/fs/ocfs2/inode.h b/ANDROID_3.4.5/fs/ocfs2/inode.h deleted file mode 100644 index 88924a31..00000000 --- a/ANDROID_3.4.5/fs/ocfs2/inode.h +++ /dev/null @@ -1,183 +0,0 @@ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * - * inode.h - * - * Function prototypes - * - * 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 OCFS2_INODE_H -#define OCFS2_INODE_H - -#include "extent_map.h" - -/* OCFS2 Inode Private Data */ -struct ocfs2_inode_info -{ - u64 ip_blkno; - - struct ocfs2_lock_res ip_rw_lockres; - struct ocfs2_lock_res ip_inode_lockres; - struct ocfs2_lock_res ip_open_lockres; - - /* protects allocation changes on this inode. */ - struct rw_semaphore ip_alloc_sem; - - /* protects extended attribute changes on this inode */ - struct rw_semaphore ip_xattr_sem; - - /* Number of outstanding AIO's which are not page aligned */ - atomic_t ip_unaligned_aio; - - /* These fields are protected by ip_lock */ - spinlock_t ip_lock; - u32 ip_open_count; - struct list_head ip_io_markers; - u32 ip_clusters; - - u16 ip_dyn_features; - struct mutex ip_io_mutex; - u32 ip_flags; /* see below */ - u32 ip_attr; /* inode attributes */ - - /* protected by recovery_lock. */ - struct inode *ip_next_orphan; - - struct ocfs2_caching_info ip_metadata_cache; - struct ocfs2_extent_map ip_extent_map; - struct inode vfs_inode; - struct jbd2_inode ip_jinode; - - u32 ip_dir_start_lookup; - - /* Only valid if the inode is the dir. */ - u32 ip_last_used_slot; - u64 ip_last_used_group; - u32 ip_dir_lock_gen; - - struct ocfs2_alloc_reservation ip_la_data_resv; -}; - -/* - * Flags for the ip_flags field - */ -/* System file inodes */ -#define OCFS2_INODE_SYSTEM_FILE 0x00000001 -#define OCFS2_INODE_JOURNAL 0x00000002 -#define OCFS2_INODE_BITMAP 0x00000004 -/* This inode has been wiped from disk */ -#define OCFS2_INODE_DELETED 0x00000008 -/* Another node is deleting, so our delete is a nop */ -#define OCFS2_INODE_SKIP_DELETE 0x00000010 -/* Has the inode been orphaned on another node? - * - * This hints to ocfs2_drop_inode that it should clear i_nlink before - * continuing. - * - * We *only* set this on unlink vote from another node. If the inode - * was locally orphaned, then we're sure of the state and don't need - * to twiddle i_nlink later - it's either zero or not depending on - * whether our unlink succeeded. Otherwise we got this from a node - * whose intention was to orphan the inode, however he may have - * crashed, failed etc, so we let ocfs2_drop_inode zero the value and - * rely on ocfs2_delete_inode to sort things out under the proper - * cluster locks. - */ -#define OCFS2_INODE_MAYBE_ORPHANED 0x00000020 -/* Does someone have the file open O_DIRECT */ -#define OCFS2_INODE_OPEN_DIRECT 0x00000040 -/* Tell the inode wipe code it's not in orphan dir */ -#define OCFS2_INODE_SKIP_ORPHAN_DIR 0x00000080 - -static inline struct ocfs2_inode_info *OCFS2_I(struct inode *inode) -{ - return container_of(inode, struct ocfs2_inode_info, vfs_inode); -} - -#define INODE_JOURNAL(i) (OCFS2_I(i)->ip_flags & OCFS2_INODE_JOURNAL) -#define SET_INODE_JOURNAL(i) (OCFS2_I(i)->ip_flags |= OCFS2_INODE_JOURNAL) - -extern struct kmem_cache *ocfs2_inode_cache; - -extern const struct address_space_operations ocfs2_aops; -extern const struct ocfs2_caching_operations ocfs2_inode_caching_ops; - -static inline struct ocfs2_caching_info *INODE_CACHE(struct inode *inode) -{ - return &OCFS2_I(inode)->ip_metadata_cache; -} - -void ocfs2_evict_inode(struct inode *inode); -int ocfs2_drop_inode(struct inode *inode); - -/* Flags for ocfs2_iget() */ -#define OCFS2_FI_FLAG_SYSFILE 0x1 -#define OCFS2_FI_FLAG_ORPHAN_RECOVERY 0x2 -struct inode *ocfs2_ilookup(struct super_block *sb, u64 feoff); -struct inode *ocfs2_iget(struct ocfs2_super *osb, u64 feoff, unsigned flags, - int sysfile_type); -int ocfs2_inode_init_private(struct inode *inode); -int ocfs2_inode_revalidate(struct dentry *dentry); -void ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe, - int create_ino); -void ocfs2_read_inode(struct inode *inode); -void ocfs2_read_inode2(struct inode *inode, void *opaque); -ssize_t ocfs2_rw_direct(int rw, struct file *filp, char *buf, - size_t size, loff_t *offp); -void ocfs2_sync_blockdev(struct super_block *sb); -void ocfs2_refresh_inode(struct inode *inode, - struct ocfs2_dinode *fe); -int ocfs2_mark_inode_dirty(handle_t *handle, - struct inode *inode, - struct buffer_head *bh); -int ocfs2_aio_read(struct file *file, struct kiocb *req, struct iocb *iocb); -int ocfs2_aio_write(struct file *file, struct kiocb *req, struct iocb *iocb); -struct buffer_head *ocfs2_bread(struct inode *inode, - int block, int *err, int reada); - -void ocfs2_set_inode_flags(struct inode *inode); -void ocfs2_get_inode_flags(struct ocfs2_inode_info *oi); - -static inline blkcnt_t ocfs2_inode_sector_count(struct inode *inode) -{ - int c_to_s_bits = OCFS2_SB(inode->i_sb)->s_clustersize_bits - 9; - - return (blkcnt_t)(OCFS2_I(inode)->ip_clusters << c_to_s_bits); -} - -/* Validate that a bh contains a valid inode */ -int ocfs2_validate_inode_block(struct super_block *sb, - struct buffer_head *bh); -/* - * Read an inode block into *bh. If *bh is NULL, a bh will be allocated. - * This is a cached read. The inode will be validated with - * ocfs2_validate_inode_block(). - */ -int ocfs2_read_inode_block(struct inode *inode, struct buffer_head **bh); -/* The same, but can be passed OCFS2_BH_* flags */ -int ocfs2_read_inode_block_full(struct inode *inode, struct buffer_head **bh, - int flags); - -static inline struct ocfs2_inode_info *cache_info_to_inode(struct ocfs2_caching_info *ci) -{ - return container_of(ci, struct ocfs2_inode_info, ip_metadata_cache); -} - -#endif /* OCFS2_INODE_H */ |