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4b6f5d20b0
This is a conversion to make the various file_operations structs in fs/ const. Basically a regexp job, with a few manual fixups The goal is both to increase correctness (harder to accidentally write to shared datastructures) and reducing the false sharing of cachelines with things that get dirty in .data (while .rodata is nicely read only and thus cache clean) Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
57 lines
1.9 KiB
C
57 lines
1.9 KiB
C
/* -*- mode: c; c-basic-offset: 8; -*-
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* vim: noexpandtab sw=8 ts=8 sts=0:
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*
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* file.h
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*
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* Function prototypes
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*
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* Copyright (C) 2002, 2004 Oracle. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 021110-1307, USA.
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*/
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#ifndef OCFS2_FILE_H
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#define OCFS2_FILE_H
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extern const struct file_operations ocfs2_fops;
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extern const struct file_operations ocfs2_dops;
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extern struct inode_operations ocfs2_file_iops;
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extern struct inode_operations ocfs2_special_file_iops;
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struct ocfs2_alloc_context;
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enum ocfs2_alloc_restarted {
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RESTART_NONE = 0,
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RESTART_TRANS,
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RESTART_META
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};
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int ocfs2_do_extend_allocation(struct ocfs2_super *osb,
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struct inode *inode,
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u32 clusters_to_add,
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struct buffer_head *fe_bh,
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struct ocfs2_journal_handle *handle,
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struct ocfs2_alloc_context *data_ac,
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struct ocfs2_alloc_context *meta_ac,
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enum ocfs2_alloc_restarted *reason);
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int ocfs2_setattr(struct dentry *dentry, struct iattr *attr);
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int ocfs2_getattr(struct vfsmount *mnt, struct dentry *dentry,
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struct kstat *stat);
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int ocfs2_set_inode_size(struct ocfs2_journal_handle *handle,
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struct inode *inode,
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struct buffer_head *fe_bh,
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u64 new_i_size);
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#endif /* OCFS2_FILE_H */
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