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[PATCH] elevator_t lifetime rules and sysfs fixes

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This commit is contained in:
Al Viro 2006-03-18 18:35:43 -05:00
commit 3d1ab40f4c
5 changed files with 160 additions and 202 deletions
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9
include/linux/elevator.h
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@ -61,7 +61,7 @@ struct elevator_type
struct list_head list;
struct elevator_ops ops;
struct elevator_type *elevator_type;
struct kobj_type *elevator_ktype;
struct attribute **elevator_attrs;
char elevator_name[ELV_NAME_MAX];
struct module *elevator_owner;
};
@ -75,6 +75,7 @@ struct elevator_queue
void *elevator_data;
struct kobject kobj;
struct elevator_type *elevator_type;
struct mutex sysfs_lock;
};
/*
@ -141,6 +142,12 @@ enum {
ELV_MQUEUE_MUST,
};
struct elv_fs_entry {
struct attribute attr;
ssize_t (*show)(elevator_t *, char *);
ssize_t (*store)(elevator_t *, const char *, size_t);
};
#define rq_end_sector(rq) ((rq)->sector + (rq)->nr_sectors)
#endif