website-struct

Struct: `io_wq`

Status

Regular

In 4.4: Absent ⚠️
In 4.8: Absent ⚠️
In 4.10: Absent ⚠️
In 4.13: Absent ⚠️
In 4.15: Absent ⚠️
In 4.18: Absent ⚠️
In 5.0: Absent ⚠️
In 5.3: Absent ⚠️
In 5.4: Absent ⚠️

In 5.8: ✅

struct io_wq {
    struct io_wqe **wqes;
    long unsigned int state;
    free_work_fn *free_work;
    io_wq_work_fn *do_work;
    struct task_struct *manager;
    struct user_struct *user;
    refcount_t refs;
    struct completion done;
    refcount_t use_refs;
};

In 5.11: ✅

struct io_wq {
    struct io_wqe **wqes;
    long unsigned int state;
    free_work_fn *free_work;
    io_wq_work_fn *do_work;
    struct task_struct *manager;
    struct user_struct *user;
    refcount_t refs;
    struct completion done;
    struct hlist_node cpuhp_node;
    refcount_t use_refs;
};

In 5.13: ✅

struct io_wq {
    struct io_wqe **wqes;
    long unsigned int state;
    free_work_fn *free_work;
    io_wq_work_fn *do_work;
    struct io_wq_hash *hash;
    refcount_t refs;
    atomic_t worker_refs;
    struct completion worker_done;
    struct hlist_node cpuhp_node;
    struct task_struct *task;
};

In 5.15: ✅

struct io_wq {
    long unsigned int state;
    free_work_fn *free_work;
    io_wq_work_fn *do_work;
    struct io_wq_hash *hash;
    atomic_t worker_refs;
    struct completion worker_done;
    struct hlist_node cpuhp_node;
    struct task_struct *task;
    struct io_wqe * wqes[0];
};

In 5.19: ✅

struct io_wq {
    long unsigned int state;
    free_work_fn *free_work;
    io_wq_work_fn *do_work;
    struct io_wq_hash *hash;
    atomic_t worker_refs;
    struct completion worker_done;
    struct hlist_node cpuhp_node;
    struct task_struct *task;
    struct io_wqe * wqes[0];
};

In 6.2: ✅

struct io_wq {
    long unsigned int state;
    free_work_fn *free_work;
    io_wq_work_fn *do_work;
    struct io_wq_hash *hash;
    atomic_t worker_refs;
    struct completion worker_done;
    struct hlist_node cpuhp_node;
    struct task_struct *task;
    struct io_wqe * wqes[0];
};

In 6.5: ✅

struct io_wq {
    long unsigned int state;
    free_work_fn *free_work;
    io_wq_work_fn *do_work;
    struct io_wq_hash *hash;
    atomic_t worker_refs;
    struct completion worker_done;
    struct hlist_node cpuhp_node;
    struct task_struct *task;
    struct io_wq_acct acct[2];
    raw_spinlock_t lock;
    struct hlist_nulls_head free_list;
    struct list_head all_list;
    struct wait_queue_entry wait;
    struct io_wq_work * hash_tail[64];
    cpumask_var_t cpu_mask;
};

In 6.8: ✅

struct io_wq {
    long unsigned int state;
    free_work_fn *free_work;
    io_wq_work_fn *do_work;
    struct io_wq_hash *hash;
    atomic_t worker_refs;
    struct completion worker_done;
    struct hlist_node cpuhp_node;
    struct task_struct *task;
    struct io_wq_acct acct[2];
    raw_spinlock_t lock;
    struct hlist_nulls_head free_list;
    struct list_head all_list;
    struct wait_queue_entry wait;
    struct io_wq_work * hash_tail[64];
    cpumask_var_t cpu_mask;
};

Arch

In arm64: Absent ⚠️
In armhf: Absent ⚠️
In ppc64el: Absent ⚠️
In riscv64: Absent ⚠️

Flavor

In aws: Absent ⚠️
In azure: Absent ⚠️
In gcp: Absent ⚠️
In lowlatency: Absent ⚠️

Differences

Regular

Changed between 5.8 and 5.11 ⚠️
- Field added. struct hlist_node cpuhp_node
Changed between 5.11 and 5.13 ⚠️
- Field added. struct io_wq_hash *hash
- Field added. atomic_t worker_refs
- Field added. struct completion worker_done
- Field added. struct task_struct *task
- Field removed. struct task_struct *manager
- Field removed. struct user_struct *user
- Field removed. struct completion done
- Field removed. refcount_t use_refs
Changed between 5.13 and 5.15 ⚠️
- Field removed. refcount_t refs
- Field type changed. struct io_wqe **wqes ➡️ struct io_wqe * wqes[0]
No changes between 5.15 and 5.19 ✅
No changes between 5.19 and 6.2 ✅
Changed between 6.2 and 6.5 ⚠️
- Field added. struct io_wq_acct acct[2]
- Field added. raw_spinlock_t lock
- Field added. struct hlist_nulls_head free_list
- Field added. struct list_head all_list
- Field added. struct wait_queue_entry wait
- Field added. struct io_wq_work * hash_tail[64]
- Field added. cpumask_var_t cpu_mask
- Field removed. struct io_wqe * wqes[0]
No changes between 6.5 and 6.8 ✅

website-struct

Struct: io_wq

Status

Differences

Struct: `io_wq`