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c350637227
Variants of proc_create{,_data} that directly take a struct seq_operations and deal with network namespaces in ->open and ->release. All callers of proc_create + seq_open_net converted over, and seq_{open,release}_net are removed entirely. Signed-off-by: Christoph Hellwig <hch@lst.de>
42 lines
876 B
C
42 lines
876 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __SEQ_FILE_NET_H__
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#define __SEQ_FILE_NET_H__
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#include <linux/seq_file.h>
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struct net;
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extern struct net init_net;
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struct seq_net_private {
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#ifdef CONFIG_NET_NS
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struct net *net;
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#endif
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};
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int single_open_net(struct inode *, struct file *file,
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int (*show)(struct seq_file *, void *));
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int single_release_net(struct inode *, struct file *);
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static inline struct net *seq_file_net(struct seq_file *seq)
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{
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#ifdef CONFIG_NET_NS
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return ((struct seq_net_private *)seq->private)->net;
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#else
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return &init_net;
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#endif
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}
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/*
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* This one is needed for single_open_net since net is stored directly in
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* private not as a struct i.e. seq_file_net can't be used.
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*/
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static inline struct net *seq_file_single_net(struct seq_file *seq)
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{
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#ifdef CONFIG_NET_NS
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return (struct net *)seq->private;
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#else
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return &init_net;
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#endif
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}
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#endif
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