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c4cb5c0651
Add a seq file wrapper which lets callers track objects easily. Signed-off-by: Zach Brown <zab@versity.com>
33 lines
793 B
C
33 lines
793 B
C
#ifndef _SCOUTFS_TSEQ_H_
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#define _SCOUTFS_TSEQ_H_
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#include <linux/debugfs.h>
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struct scoutfs_tseq_entry;
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typedef void (*scoutfs_tseq_show_t)(struct seq_file *m,
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struct scoutfs_tseq_entry *ent);
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struct scoutfs_tseq_tree {
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spinlock_t lock;
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struct rb_root root;
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scoutfs_tseq_show_t show;
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};
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struct scoutfs_tseq_entry {
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struct rb_node node;
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loff_t pos;
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loff_t total;
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};
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void scoutfs_tseq_tree_init(struct scoutfs_tseq_tree *tree,
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scoutfs_tseq_show_t show);
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void scoutfs_tseq_add(struct scoutfs_tseq_tree *tree,
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struct scoutfs_tseq_entry *ent);
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void scoutfs_tseq_del(struct scoutfs_tseq_tree *tree,
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struct scoutfs_tseq_entry *ent);
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struct dentry *scoutfs_tseq_create(const char *name, struct dentry *parent,
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struct scoutfs_tseq_tree *tree);
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#endif
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