website-struct

Struct: kernfs_ops

Status

Regular

• In 4.4: ✅

  struct kernfs_ops {
      int (*seq_show)(struct seq_file *, void *);
      void * (*seq_start)(struct seq_file *, loff_t *);
      void * (*seq_next)(struct seq_file *, void *, loff_t *);
      void (*seq_stop)(struct seq_file *, void *);
      ssize_t (*read)(struct kernfs_open_file *, char *, size_t, loff_t);
      size_t atomic_write_len;
      bool prealloc;
      ssize_t (*write)(struct kernfs_open_file *, char *, size_t, loff_t);
      int (*mmap)(struct kernfs_open_file *, struct vm_area_struct *);
  };
  

• In 4.8: ✅

  struct kernfs_ops {
      int (*seq_show)(struct seq_file *, void *);
      void * (*seq_start)(struct seq_file *, loff_t *);
      void * (*seq_next)(struct seq_file *, void *, loff_t *);
      void (*seq_stop)(struct seq_file *, void *);
      ssize_t (*read)(struct kernfs_open_file *, char *, size_t, loff_t);
      size_t atomic_write_len;
      bool prealloc;
      ssize_t (*write)(struct kernfs_open_file *, char *, size_t, loff_t);
      int (*mmap)(struct kernfs_open_file *, struct vm_area_struct *);
  };
  

• In 4.10: ✅

  struct kernfs_ops {
      int (*seq_show)(struct seq_file *, void *);
      void * (*seq_start)(struct seq_file *, loff_t *);
      void * (*seq_next)(struct seq_file *, void *, loff_t *);
      void (*seq_stop)(struct seq_file *, void *);
      ssize_t (*read)(struct kernfs_open_file *, char *, size_t, loff_t);
      size_t atomic_write_len;
      bool prealloc;
      ssize_t (*write)(struct kernfs_open_file *, char *, size_t, loff_t);
      int (*mmap)(struct kernfs_open_file *, struct vm_area_struct *);
  };
  

• In 4.13: ✅

  struct kernfs_ops {
      int (*open)(struct kernfs_open_file *);
      void (*release)(struct kernfs_open_file *);
      int (*seq_show)(struct seq_file *, void *);
      void * (*seq_start)(struct seq_file *, loff_t *);
      void * (*seq_next)(struct seq_file *, void *, loff_t *);
      void (*seq_stop)(struct seq_file *, void *);
      ssize_t (*read)(struct kernfs_open_file *, char *, size_t, loff_t);
      size_t atomic_write_len;
      bool prealloc;
      ssize_t (*write)(struct kernfs_open_file *, char *, size_t, loff_t);
      int (*mmap)(struct kernfs_open_file *, struct vm_area_struct *);
  };
  

• In 4.15: ✅

  struct kernfs_ops {
      int (*open)(struct kernfs_open_file *);
      void (*release)(struct kernfs_open_file *);
      int (*seq_show)(struct seq_file *, void *);
      void * (*seq_start)(struct seq_file *, loff_t *);
      void * (*seq_next)(struct seq_file *, void *, loff_t *);
      void (*seq_stop)(struct seq_file *, void *);
      ssize_t (*read)(struct kernfs_open_file *, char *, size_t, loff_t);
      size_t atomic_write_len;
      bool prealloc;
      ssize_t (*write)(struct kernfs_open_file *, char *, size_t, loff_t);
      int (*mmap)(struct kernfs_open_file *, struct vm_area_struct *);
  };
  

• In 4.18: ✅

  struct kernfs_ops {
      int (*open)(struct kernfs_open_file *);
      void (*release)(struct kernfs_open_file *);
      int (*seq_show)(struct seq_file *, void *);
      void * (*seq_start)(struct seq_file *, loff_t *);
      void * (*seq_next)(struct seq_file *, void *, loff_t *);
      void (*seq_stop)(struct seq_file *, void *);
      ssize_t (*read)(struct kernfs_open_file *, char *, size_t, loff_t);
      size_t atomic_write_len;
      bool prealloc;
      ssize_t (*write)(struct kernfs_open_file *, char *, size_t, loff_t);
      int (*mmap)(struct kernfs_open_file *, struct vm_area_struct *);
  };
  

• In 5.0: ✅

  struct kernfs_ops {
      int (*open)(struct kernfs_open_file *);
      void (*release)(struct kernfs_open_file *);
      int (*seq_show)(struct seq_file *, void *);
      void * (*seq_start)(struct seq_file *, loff_t *);
      void * (*seq_next)(struct seq_file *, void *, loff_t *);
      void (*seq_stop)(struct seq_file *, void *);
      ssize_t (*read)(struct kernfs_open_file *, char *, size_t, loff_t);
      size_t atomic_write_len;
      bool prealloc;
      ssize_t (*write)(struct kernfs_open_file *, char *, size_t, loff_t);
      int (*mmap)(struct kernfs_open_file *, struct vm_area_struct *);
  };
  

• In 5.3: ✅

  struct kernfs_ops {
      int (*open)(struct kernfs_open_file *);
      void (*release)(struct kernfs_open_file *);
      int (*seq_show)(struct seq_file *, void *);
      void * (*seq_start)(struct seq_file *, loff_t *);
      void * (*seq_next)(struct seq_file *, void *, loff_t *);
      void (*seq_stop)(struct seq_file *, void *);
      ssize_t (*read)(struct kernfs_open_file *, char *, size_t, loff_t);
      size_t atomic_write_len;
      bool prealloc;
      ssize_t (*write)(struct kernfs_open_file *, char *, size_t, loff_t);
      __poll_t (*poll)(struct kernfs_open_file *, struct poll_table_struct *);
      int (*mmap)(struct kernfs_open_file *, struct vm_area_struct *);
  };
  

• In 5.4: ✅

  struct kernfs_ops {
      int (*open)(struct kernfs_open_file *);
      void (*release)(struct kernfs_open_file *);
      int (*seq_show)(struct seq_file *, void *);
      void * (*seq_start)(struct seq_file *, loff_t *);
      void * (*seq_next)(struct seq_file *, void *, loff_t *);
      void (*seq_stop)(struct seq_file *, void *);
      ssize_t (*read)(struct kernfs_open_file *, char *, size_t, loff_t);
      size_t atomic_write_len;
      bool prealloc;
      ssize_t (*write)(struct kernfs_open_file *, char *, size_t, loff_t);
      __poll_t (*poll)(struct kernfs_open_file *, struct poll_table_struct *);
      int (*mmap)(struct kernfs_open_file *, struct vm_area_struct *);
  };
  

• In 5.8: ✅

  struct kernfs_ops {
      int (*open)(struct kernfs_open_file *);
      void (*release)(struct kernfs_open_file *);
      int (*seq_show)(struct seq_file *, void *);
      void * (*seq_start)(struct seq_file *, loff_t *);
      void * (*seq_next)(struct seq_file *, void *, loff_t *);
      void (*seq_stop)(struct seq_file *, void *);
      ssize_t (*read)(struct kernfs_open_file *, char *, size_t, loff_t);
      size_t atomic_write_len;
      bool prealloc;
      ssize_t (*write)(struct kernfs_open_file *, char *, size_t, loff_t);
      __poll_t (*poll)(struct kernfs_open_file *, struct poll_table_struct *);
      int (*mmap)(struct kernfs_open_file *, struct vm_area_struct *);
  };
  

• In 5.11: ✅

  struct kernfs_ops {
      int (*open)(struct kernfs_open_file *);
      void (*release)(struct kernfs_open_file *);
      int (*seq_show)(struct seq_file *, void *);
      void * (*seq_start)(struct seq_file *, loff_t *);
      void * (*seq_next)(struct seq_file *, void *, loff_t *);
      void (*seq_stop)(struct seq_file *, void *);
      ssize_t (*read)(struct kernfs_open_file *, char *, size_t, loff_t);
      size_t atomic_write_len;
      bool prealloc;
      ssize_t (*write)(struct kernfs_open_file *, char *, size_t, loff_t);
      __poll_t (*poll)(struct kernfs_open_file *, struct poll_table_struct *);
      int (*mmap)(struct kernfs_open_file *, struct vm_area_struct *);
  };
  

• In 5.13: ✅

  struct kernfs_ops {
      int (*open)(struct kernfs_open_file *);
      void (*release)(struct kernfs_open_file *);
      int (*seq_show)(struct seq_file *, void *);
      void * (*seq_start)(struct seq_file *, loff_t *);
      void * (*seq_next)(struct seq_file *, void *, loff_t *);
      void (*seq_stop)(struct seq_file *, void *);
      ssize_t (*read)(struct kernfs_open_file *, char *, size_t, loff_t);
      size_t atomic_write_len;
      bool prealloc;
      ssize_t (*write)(struct kernfs_open_file *, char *, size_t, loff_t);
      __poll_t (*poll)(struct kernfs_open_file *, struct poll_table_struct *);
      int (*mmap)(struct kernfs_open_file *, struct vm_area_struct *);
  };
  

• In 5.15: ✅

  struct kernfs_ops {
      int (*open)(struct kernfs_open_file *);
      void (*release)(struct kernfs_open_file *);
      int (*seq_show)(struct seq_file *, void *);
      void * (*seq_start)(struct seq_file *, loff_t *);
      void * (*seq_next)(struct seq_file *, void *, loff_t *);
      void (*seq_stop)(struct seq_file *, void *);
      ssize_t (*read)(struct kernfs_open_file *, char *, size_t, loff_t);
      size_t atomic_write_len;
      bool prealloc;
      ssize_t (*write)(struct kernfs_open_file *, char *, size_t, loff_t);
      __poll_t (*poll)(struct kernfs_open_file *, struct poll_table_struct *);
      int (*mmap)(struct kernfs_open_file *, struct vm_area_struct *);
  };
  

• In 5.19: ✅

  struct kernfs_ops {
      int (*open)(struct kernfs_open_file *);
      void (*release)(struct kernfs_open_file *);
      int (*seq_show)(struct seq_file *, void *);
      void * (*seq_start)(struct seq_file *, loff_t *);
      void * (*seq_next)(struct seq_file *, void *, loff_t *);
      void (*seq_stop)(struct seq_file *, void *);
      ssize_t (*read)(struct kernfs_open_file *, char *, size_t, loff_t);
      size_t atomic_write_len;
      bool prealloc;
      ssize_t (*write)(struct kernfs_open_file *, char *, size_t, loff_t);
      __poll_t (*poll)(struct kernfs_open_file *, struct poll_table_struct *);
      int (*mmap)(struct kernfs_open_file *, struct vm_area_struct *);
  };
  

• In 6.2: ✅

  struct kernfs_ops {
      int (*open)(struct kernfs_open_file *);
      void (*release)(struct kernfs_open_file *);
      int (*seq_show)(struct seq_file *, void *);
      void * (*seq_start)(struct seq_file *, loff_t *);
      void * (*seq_next)(struct seq_file *, void *, loff_t *);
      void (*seq_stop)(struct seq_file *, void *);
      ssize_t (*read)(struct kernfs_open_file *, char *, size_t, loff_t);
      size_t atomic_write_len;
      bool prealloc;
      ssize_t (*write)(struct kernfs_open_file *, char *, size_t, loff_t);
      __poll_t (*poll)(struct kernfs_open_file *, struct poll_table_struct *);
      int (*mmap)(struct kernfs_open_file *, struct vm_area_struct *);
  };
  

• In 6.5: ✅

  struct kernfs_ops {
      int (*open)(struct kernfs_open_file *);
      void (*release)(struct kernfs_open_file *);
      int (*seq_show)(struct seq_file *, void *);
      void * (*seq_start)(struct seq_file *, loff_t *);
      void * (*seq_next)(struct seq_file *, void *, loff_t *);
      void (*seq_stop)(struct seq_file *, void *);
      ssize_t (*read)(struct kernfs_open_file *, char *, size_t, loff_t);
      size_t atomic_write_len;
      bool prealloc;
      ssize_t (*write)(struct kernfs_open_file *, char *, size_t, loff_t);
      __poll_t (*poll)(struct kernfs_open_file *, struct poll_table_struct *);
      int (*mmap)(struct kernfs_open_file *, struct vm_area_struct *);
  };
  

• In 6.8: ✅

  struct kernfs_ops {
      int (*open)(struct kernfs_open_file *);
      void (*release)(struct kernfs_open_file *);
      int (*seq_show)(struct seq_file *, void *);
      void * (*seq_start)(struct seq_file *, loff_t *);
      void * (*seq_next)(struct seq_file *, void *, loff_t *);
      void (*seq_stop)(struct seq_file *, void *);
      ssize_t (*read)(struct kernfs_open_file *, char *, size_t, loff_t);
      size_t atomic_write_len;
      bool prealloc;
      ssize_t (*write)(struct kernfs_open_file *, char *, size_t, loff_t);
      __poll_t (*poll)(struct kernfs_open_file *, struct poll_table_struct *);
      int (*mmap)(struct kernfs_open_file *, struct vm_area_struct *);
      loff_t (*llseek)(struct kernfs_open_file *, loff_t, int);
  };
  

Arch

• In arm64: ✅

  struct kernfs_ops {
      int (*open)(struct kernfs_open_file *);
      void (*release)(struct kernfs_open_file *);
      int (*seq_show)(struct seq_file *, void *);
      void * (*seq_start)(struct seq_file *, loff_t *);
      void * (*seq_next)(struct seq_file *, void *, loff_t *);
      void (*seq_stop)(struct seq_file *, void *);
      ssize_t (*read)(struct kernfs_open_file *, char *, size_t, loff_t);
      size_t atomic_write_len;
      bool prealloc;
      ssize_t (*write)(struct kernfs_open_file *, char *, size_t, loff_t);
      __poll_t (*poll)(struct kernfs_open_file *, struct poll_table_struct *);
      int (*mmap)(struct kernfs_open_file *, struct vm_area_struct *);
  };
  

• In armhf: ✅

  struct kernfs_ops {
      int (*open)(struct kernfs_open_file *);
      void (*release)(struct kernfs_open_file *);
      int (*seq_show)(struct seq_file *, void *);
      void * (*seq_start)(struct seq_file *, loff_t *);
      void * (*seq_next)(struct seq_file *, void *, loff_t *);
      void (*seq_stop)(struct seq_file *, void *);
      ssize_t (*read)(struct kernfs_open_file *, char *, size_t, loff_t);
      size_t atomic_write_len;
      bool prealloc;
      ssize_t (*write)(struct kernfs_open_file *, char *, size_t, loff_t);
      __poll_t (*poll)(struct kernfs_open_file *, struct poll_table_struct *);
      int (*mmap)(struct kernfs_open_file *, struct vm_area_struct *);
  };
  

• In ppc64el: ✅

  struct kernfs_ops {
      int (*open)(struct kernfs_open_file *);
      void (*release)(struct kernfs_open_file *);
      int (*seq_show)(struct seq_file *, void *);
      void * (*seq_start)(struct seq_file *, loff_t *);
      void * (*seq_next)(struct seq_file *, void *, loff_t *);
      void (*seq_stop)(struct seq_file *, void *);
      ssize_t (*read)(struct kernfs_open_file *, char *, size_t, loff_t);
      size_t atomic_write_len;
      bool prealloc;
      ssize_t (*write)(struct kernfs_open_file *, char *, size_t, loff_t);
      __poll_t (*poll)(struct kernfs_open_file *, struct poll_table_struct *);
      int (*mmap)(struct kernfs_open_file *, struct vm_area_struct *);
  };
  

• In riscv64: ✅

  struct kernfs_ops {
      int (*open)(struct kernfs_open_file *);
      void (*release)(struct kernfs_open_file *);
      int (*seq_show)(struct seq_file *, void *);
      void * (*seq_start)(struct seq_file *, loff_t *);
      void * (*seq_next)(struct seq_file *, void *, loff_t *);
      void (*seq_stop)(struct seq_file *, void *);
      ssize_t (*read)(struct kernfs_open_file *, char *, size_t, loff_t);
      size_t atomic_write_len;
      bool prealloc;
      ssize_t (*write)(struct kernfs_open_file *, char *, size_t, loff_t);
      __poll_t (*poll)(struct kernfs_open_file *, struct poll_table_struct *);
      int (*mmap)(struct kernfs_open_file *, struct vm_area_struct *);
  };
  

Flavor

• In aws: ✅

  struct kernfs_ops {
      int (*open)(struct kernfs_open_file *);
      void (*release)(struct kernfs_open_file *);
      int (*seq_show)(struct seq_file *, void *);
      void * (*seq_start)(struct seq_file *, loff_t *);
      void * (*seq_next)(struct seq_file *, void *, loff_t *);
      void (*seq_stop)(struct seq_file *, void *);
      ssize_t (*read)(struct kernfs_open_file *, char *, size_t, loff_t);
      size_t atomic_write_len;
      bool prealloc;
      ssize_t (*write)(struct kernfs_open_file *, char *, size_t, loff_t);
      __poll_t (*poll)(struct kernfs_open_file *, struct poll_table_struct *);
      int (*mmap)(struct kernfs_open_file *, struct vm_area_struct *);
  };
  

• In azure: ✅

  struct kernfs_ops {
      int (*open)(struct kernfs_open_file *);
      void (*release)(struct kernfs_open_file *);
      int (*seq_show)(struct seq_file *, void *);
      void * (*seq_start)(struct seq_file *, loff_t *);
      void * (*seq_next)(struct seq_file *, void *, loff_t *);
      void (*seq_stop)(struct seq_file *, void *);
      ssize_t (*read)(struct kernfs_open_file *, char *, size_t, loff_t);
      size_t atomic_write_len;
      bool prealloc;
      ssize_t (*write)(struct kernfs_open_file *, char *, size_t, loff_t);
      __poll_t (*poll)(struct kernfs_open_file *, struct poll_table_struct *);
      int (*mmap)(struct kernfs_open_file *, struct vm_area_struct *);
  };
  

• In gcp: ✅

  struct kernfs_ops {
      int (*open)(struct kernfs_open_file *);
      void (*release)(struct kernfs_open_file *);
      int (*seq_show)(struct seq_file *, void *);
      void * (*seq_start)(struct seq_file *, loff_t *);
      void * (*seq_next)(struct seq_file *, void *, loff_t *);
      void (*seq_stop)(struct seq_file *, void *);
      ssize_t (*read)(struct kernfs_open_file *, char *, size_t, loff_t);
      size_t atomic_write_len;
      bool prealloc;
      ssize_t (*write)(struct kernfs_open_file *, char *, size_t, loff_t);
      __poll_t (*poll)(struct kernfs_open_file *, struct poll_table_struct *);
      int (*mmap)(struct kernfs_open_file *, struct vm_area_struct *);
  };
  

• In lowlatency: ✅

  struct kernfs_ops {
      int (*open)(struct kernfs_open_file *);
      void (*release)(struct kernfs_open_file *);
      int (*seq_show)(struct seq_file *, void *);
      void * (*seq_start)(struct seq_file *, loff_t *);
      void * (*seq_next)(struct seq_file *, void *, loff_t *);
      void (*seq_stop)(struct seq_file *, void *);
      ssize_t (*read)(struct kernfs_open_file *, char *, size_t, loff_t);
      size_t atomic_write_len;
      bool prealloc;
      ssize_t (*write)(struct kernfs_open_file *, char *, size_t, loff_t);
      __poll_t (*poll)(struct kernfs_open_file *, struct poll_table_struct *);
      int (*mmap)(struct kernfs_open_file *, struct vm_area_struct *);
  };
  

Differences

Regular

• No changes between 4.4 and 4.8 ✅
• No changes between 4.8 and 4.10 ✅
• Changed between 4.10 and 4.13 ⚠️

  • Field added. int (*open)(struct kernfs_open_file *)
  • Field added. void (*release)(struct kernfs_open_file *)
• No changes between 4.13 and 4.15 ✅
• No changes between 4.15 and 4.18 ✅
• No changes between 4.18 and 5.0 ✅
• Changed between 5.0 and 5.3 ⚠️

  • Field added. __poll_t (*poll)(struct kernfs_open_file *, struct poll_table_struct *)
• No changes between 5.3 and 5.4 ✅
• No changes between 5.4 and 5.8 ✅
• No changes between 5.8 and 5.11 ✅
• No changes between 5.11 and 5.13 ✅
• No changes between 5.13 and 5.15 ✅
• No changes between 5.15 and 5.19 ✅
• No changes between 5.19 and 6.2 ✅
• No changes between 6.2 and 6.5 ✅
• Changed between 6.5 and 6.8 ⚠️

  • Field added. loff_t (*llseek)(struct kernfs_open_file *, loff_t, int)

Arch

• No changes between amd64 and arm64 ✅
• No changes between amd64 and armhf ✅
• No changes between amd64 and ppc64el ✅
• No changes between amd64 and riscv64 ✅

Flavor

• No changes between generic and aws ✅
• No changes between generic and azure ✅
• No changes between generic and gcp ✅
• No changes between generic and lowlatency ✅