1 /* -*- mode: c; c-basic-offset: 8; -*- 2 * vim: noexpandtab sw=8 ts=8 sts=0: 3 * 4 * file.h 5 * 6 * Function prototypes 7 * 8 * Copyright (C) 2002, 2004 Oracle. All rights reserved. 9 * 10 * This program is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU General Public 12 * License as published by the Free Software Foundation; either 13 * version 2 of the License, or (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 18 * General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public 21 * License along with this program; if not, write to the 22 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, 23 * Boston, MA 021110-1307, USA. 24 */ 25 26 #ifndef OCFS2_FILE_H 27 #define OCFS2_FILE_H 28 29 extern const struct file_operations ocfs2_fops; 30 extern const struct file_operations ocfs2_dops; 31 extern const struct file_operations ocfs2_fops_no_plocks; 32 extern const struct file_operations ocfs2_dops_no_plocks; 33 extern const struct inode_operations ocfs2_file_iops; 34 extern const struct inode_operations ocfs2_special_file_iops; 35 struct ocfs2_alloc_context; 36 enum ocfs2_alloc_restarted; 37 38 struct ocfs2_file_private { 39 struct file *fp_file; 40 struct mutex fp_mutex; 41 struct ocfs2_lock_res fp_flock; 42 }; 43 44 int ocfs2_add_inode_data(struct ocfs2_super *osb, 45 struct inode *inode, 46 u32 *logical_offset, 47 u32 clusters_to_add, 48 int mark_unwritten, 49 struct buffer_head *fe_bh, 50 handle_t *handle, 51 struct ocfs2_alloc_context *data_ac, 52 struct ocfs2_alloc_context *meta_ac, 53 enum ocfs2_alloc_restarted *reason_ret); 54 int ocfs2_set_inode_size(handle_t *handle, 55 struct inode *inode, 56 struct buffer_head *fe_bh, 57 u64 new_i_size); 58 int ocfs2_simple_size_update(struct inode *inode, 59 struct buffer_head *di_bh, 60 u64 new_i_size); 61 int ocfs2_truncate_file(struct inode *inode, 62 struct buffer_head *di_bh, 63 u64 new_i_size); 64 int ocfs2_extend_no_holes(struct inode *inode, struct buffer_head *di_bh, 65 u64 new_i_size, u64 zero_to); 66 int ocfs2_zero_extend(struct inode *inode, struct buffer_head *di_bh, 67 loff_t zero_to); 68 int ocfs2_setattr(struct dentry *dentry, struct iattr *attr); 69 int ocfs2_getattr(const struct path *path, struct kstat *stat, 70 u32 request_mask, unsigned int flags); 71 int ocfs2_permission(struct inode *inode, int mask); 72 73 int ocfs2_should_update_atime(struct inode *inode, 74 struct vfsmount *vfsmnt); 75 int ocfs2_update_inode_atime(struct inode *inode, 76 struct buffer_head *bh); 77 78 int ocfs2_change_file_space(struct file *file, unsigned int cmd, 79 struct ocfs2_space_resv *sr); 80 81 int ocfs2_check_range_for_refcount(struct inode *inode, loff_t pos, 82 size_t count); 83 int ocfs2_remove_inode_range(struct inode *inode, 84 struct buffer_head *di_bh, u64 byte_start, 85 u64 byte_len); 86 #endif /* OCFS2_FILE_H */ 87