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https://github.com/versity/scoutfs.git
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Zach BrownandMark Fasheh
8bbb859f0c
We're going to be strictly enforcing matching format.h and ioctl.h between userspace and kernel space. Let's get the exported kernel function definition out of ioctl.h. Signed-off-by: Zach Brown <zab@versity.com>
84 lines
1.9 KiB
C
84 lines
1.9 KiB
C
#ifndef _SCOUTFS_SUPER_H_
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#define _SCOUTFS_SUPER_H_
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#include <linux/fs.h>
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#include <linux/rbtree.h>
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#include "format.h"
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#include "options.h"
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struct scoutfs_counters;
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struct item_cache;
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struct manifest;
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struct segment_cache;
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struct compact_info;
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struct data_info;
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struct trans_info;
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struct lock_info;
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struct client_info;
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struct server_info;
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struct inode_sb_info;
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struct btree_info;
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struct scoutfs_sb_info {
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struct super_block *sb;
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/* assigned once at the start of each mount, read-only */
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u64 node_id;
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struct scoutfs_lock *node_id_lock;
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struct scoutfs_super_block super;
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spinlock_t next_ino_lock;
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struct manifest *manifest;
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struct item_cache *item_cache;
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struct segment_cache *segment_cache;
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struct seg_alloc *seg_alloc;
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struct compact_info *compact_info;
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struct data_info *data_info;
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struct inode_sb_info *inode_sb_info;
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struct btree_info *btree_info;
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wait_queue_head_t trans_hold_wq;
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struct task_struct *trans_task;
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spinlock_t trans_write_lock;
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u64 trans_write_count;
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u64 trans_seq;
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int trans_write_ret;
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struct delayed_work trans_write_work;
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wait_queue_head_t trans_write_wq;
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struct workqueue_struct *trans_write_workq;
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bool trans_deadline_expired;
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struct trans_info *trans_info;
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struct lock_info *lock_info;
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struct client_info *client_info;
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struct server_info *server_info;
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/* $sysfs/fs/scoutfs/$id/ */
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struct kset *kset;
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struct scoutfs_counters *counters;
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struct mount_options opts;
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struct dentry *debug_root;
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};
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static inline struct scoutfs_sb_info *SCOUTFS_SB(struct super_block *sb)
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{
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return sb->s_fs_info;
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}
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int scoutfs_read_supers(struct super_block *sb,
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struct scoutfs_super_block *local);
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void scoutfs_advance_dirty_super(struct super_block *sb);
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int scoutfs_write_dirty_super(struct super_block *sb);
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/* to keep this out of the ioctl.h public interface definition */
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long scoutfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
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#endif
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