website-struct

Struct: super_block

Status

Regular

• In 4.4: ✅

  struct super_block {
      struct list_head s_list;
      dev_t s_dev;
      unsigned char s_blocksize_bits;
      long unsigned int s_blocksize;
      loff_t s_maxbytes;
      struct file_system_type *s_type;
      const struct super_operations *s_op;
      const struct dquot_operations *dq_op;
      const struct quotactl_ops *s_qcop;
      const struct export_operations *s_export_op;
      long unsigned int s_flags;
      long unsigned int s_iflags;
      long unsigned int s_magic;
      struct dentry *s_root;
      struct rw_semaphore s_umount;
      int s_count;
      atomic_t s_active;
      void *s_security;
      const struct xattr_handler **s_xattr;
      struct hlist_bl_head s_anon;
      struct list_head s_mounts;
      struct block_device *s_bdev;
      struct backing_dev_info *s_bdi;
      struct mtd_info *s_mtd;
      struct hlist_node s_instances;
      unsigned int s_quota_types;
      struct quota_info s_dquot;
      struct sb_writers s_writers;
      char s_id[32];
      u8 s_uuid[16];
      void *s_fs_info;
      unsigned int s_max_links;
      fmode_t s_mode;
      u32 s_time_gran;
      struct mutex s_vfs_rename_mutex;
      char *s_subtype;
      char *s_options;
      const struct dentry_operations *s_d_op;
      int cleancache_poolid;
      struct shrinker s_shrink;
      atomic_long_t s_remove_count;
      int s_readonly_remount;
      struct workqueue_struct *s_dio_done_wq;
      struct hlist_head s_pins;
      struct user_namespace *s_user_ns;
      struct list_lru s_dentry_lru;
      struct list_lru s_inode_lru;
      struct callback_head rcu;
      struct work_struct destroy_work;
      struct mutex s_sync_lock;
      int s_stack_depth;
      spinlock_t s_inode_list_lock;
      struct list_head s_inodes;
  };
  

• In 4.8: ✅

  struct super_block {
      struct list_head s_list;
      dev_t s_dev;
      unsigned char s_blocksize_bits;
      long unsigned int s_blocksize;
      loff_t s_maxbytes;
      struct file_system_type *s_type;
      const struct super_operations *s_op;
      const struct dquot_operations *dq_op;
      const struct quotactl_ops *s_qcop;
      const struct export_operations *s_export_op;
      long unsigned int s_flags;
      long unsigned int s_iflags;
      long unsigned int s_magic;
      struct dentry *s_root;
      struct rw_semaphore s_umount;
      int s_count;
      atomic_t s_active;
      void *s_security;
      const struct xattr_handler **s_xattr;
      const struct fscrypt_operations *s_cop;
      struct hlist_bl_head s_anon;
      struct list_head s_mounts;
      struct block_device *s_bdev;
      struct backing_dev_info *s_bdi;
      struct mtd_info *s_mtd;
      struct hlist_node s_instances;
      unsigned int s_quota_types;
      struct quota_info s_dquot;
      struct sb_writers s_writers;
      char s_id[32];
      u8 s_uuid[16];
      void *s_fs_info;
      unsigned int s_max_links;
      fmode_t s_mode;
      u32 s_time_gran;
      struct mutex s_vfs_rename_mutex;
      char *s_subtype;
      char *s_options;
      const struct dentry_operations *s_d_op;
      int cleancache_poolid;
      struct shrinker s_shrink;
      atomic_long_t s_remove_count;
      int s_readonly_remount;
      struct workqueue_struct *s_dio_done_wq;
      struct hlist_head s_pins;
      struct user_namespace *s_user_ns;
      struct list_lru s_dentry_lru;
      struct list_lru s_inode_lru;
      struct callback_head rcu;
      struct work_struct destroy_work;
      struct mutex s_sync_lock;
      int s_stack_depth;
      spinlock_t s_inode_list_lock;
      struct list_head s_inodes;
      spinlock_t s_inode_wblist_lock;
      struct list_head s_inodes_wb;
  };
  

• In 4.10: ✅

  struct super_block {
      struct list_head s_list;
      dev_t s_dev;
      unsigned char s_blocksize_bits;
      long unsigned int s_blocksize;
      loff_t s_maxbytes;
      struct file_system_type *s_type;
      const struct super_operations *s_op;
      const struct dquot_operations *dq_op;
      const struct quotactl_ops *s_qcop;
      const struct export_operations *s_export_op;
      long unsigned int s_flags;
      long unsigned int s_iflags;
      long unsigned int s_magic;
      struct dentry *s_root;
      struct rw_semaphore s_umount;
      int s_count;
      atomic_t s_active;
      void *s_security;
      const struct xattr_handler **s_xattr;
      const struct fscrypt_operations *s_cop;
      struct hlist_bl_head s_anon;
      struct list_head s_mounts;
      struct block_device *s_bdev;
      struct backing_dev_info *s_bdi;
      struct mtd_info *s_mtd;
      struct hlist_node s_instances;
      unsigned int s_quota_types;
      struct quota_info s_dquot;
      struct sb_writers s_writers;
      char s_id[32];
      u8 s_uuid[16];
      void *s_fs_info;
      unsigned int s_max_links;
      fmode_t s_mode;
      u32 s_time_gran;
      struct mutex s_vfs_rename_mutex;
      char *s_subtype;
      char *s_options;
      const struct dentry_operations *s_d_op;
      int cleancache_poolid;
      struct shrinker s_shrink;
      atomic_long_t s_remove_count;
      int s_readonly_remount;
      struct workqueue_struct *s_dio_done_wq;
      struct hlist_head s_pins;
      struct user_namespace *s_user_ns;
      struct list_lru s_dentry_lru;
      struct list_lru s_inode_lru;
      struct callback_head rcu;
      struct work_struct destroy_work;
      struct mutex s_sync_lock;
      int s_stack_depth;
      spinlock_t s_inode_list_lock;
      struct list_head s_inodes;
      spinlock_t s_inode_wblist_lock;
      struct list_head s_inodes_wb;
  };
  

• In 4.13: ✅

  struct super_block {
      struct list_head s_list;
      dev_t s_dev;
      unsigned char s_blocksize_bits;
      long unsigned int s_blocksize;
      loff_t s_maxbytes;
      struct file_system_type *s_type;
      const struct super_operations *s_op;
      const struct dquot_operations *dq_op;
      const struct quotactl_ops *s_qcop;
      const struct export_operations *s_export_op;
      long unsigned int s_flags;
      long unsigned int s_iflags;
      long unsigned int s_magic;
      struct dentry *s_root;
      struct rw_semaphore s_umount;
      int s_count;
      atomic_t s_active;
      void *s_security;
      const struct xattr_handler **s_xattr;
      const struct fscrypt_operations *s_cop;
      struct hlist_bl_head s_anon;
      struct list_head s_mounts;
      struct block_device *s_bdev;
      struct backing_dev_info *s_bdi;
      struct mtd_info *s_mtd;
      struct hlist_node s_instances;
      unsigned int s_quota_types;
      struct quota_info s_dquot;
      struct sb_writers s_writers;
      char s_id[32];
      uuid_t s_uuid;
      void *s_fs_info;
      unsigned int s_max_links;
      fmode_t s_mode;
      u32 s_time_gran;
      struct mutex s_vfs_rename_mutex;
      char *s_subtype;
      const struct dentry_operations *s_d_op;
      int cleancache_poolid;
      struct shrinker s_shrink;
      atomic_long_t s_remove_count;
      int s_readonly_remount;
      struct workqueue_struct *s_dio_done_wq;
      struct hlist_head s_pins;
      struct user_namespace *s_user_ns;
      struct list_lru s_dentry_lru;
      struct list_lru s_inode_lru;
      struct callback_head rcu;
      struct work_struct destroy_work;
      struct mutex s_sync_lock;
      int s_stack_depth;
      spinlock_t s_inode_list_lock;
      struct list_head s_inodes;
      spinlock_t s_inode_wblist_lock;
      struct list_head s_inodes_wb;
  };
  

• In 4.15: ✅

  struct super_block {
      struct list_head s_list;
      dev_t s_dev;
      unsigned char s_blocksize_bits;
      long unsigned int s_blocksize;
      loff_t s_maxbytes;
      struct file_system_type *s_type;
      const struct super_operations *s_op;
      const struct dquot_operations *dq_op;
      const struct quotactl_ops *s_qcop;
      const struct export_operations *s_export_op;
      long unsigned int s_flags;
      long unsigned int s_iflags;
      long unsigned int s_magic;
      struct dentry *s_root;
      struct rw_semaphore s_umount;
      int s_count;
      atomic_t s_active;
      void *s_security;
      const struct xattr_handler **s_xattr;
      const struct fscrypt_operations *s_cop;
      struct hlist_bl_head s_anon;
      struct list_head s_mounts;
      struct block_device *s_bdev;
      struct backing_dev_info *s_bdi;
      struct mtd_info *s_mtd;
      struct hlist_node s_instances;
      unsigned int s_quota_types;
      struct quota_info s_dquot;
      struct sb_writers s_writers;
      char s_id[32];
      uuid_t s_uuid;
      void *s_fs_info;
      unsigned int s_max_links;
      fmode_t s_mode;
      u32 s_time_gran;
      struct mutex s_vfs_rename_mutex;
      char *s_subtype;
      const struct dentry_operations *s_d_op;
      int cleancache_poolid;
      struct shrinker s_shrink;
      atomic_long_t s_remove_count;
      int s_readonly_remount;
      struct workqueue_struct *s_dio_done_wq;
      struct hlist_head s_pins;
      struct user_namespace *s_user_ns;
      struct list_lru s_dentry_lru;
      struct list_lru s_inode_lru;
      struct callback_head rcu;
      struct work_struct destroy_work;
      struct mutex s_sync_lock;
      int s_stack_depth;
      spinlock_t s_inode_list_lock;
      struct list_head s_inodes;
      spinlock_t s_inode_wblist_lock;
      struct list_head s_inodes_wb;
  };
  

• In 4.18: ✅

  struct super_block {
      struct list_head s_list;
      dev_t s_dev;
      unsigned char s_blocksize_bits;
      long unsigned int s_blocksize;
      loff_t s_maxbytes;
      struct file_system_type *s_type;
      const struct super_operations *s_op;
      const struct dquot_operations *dq_op;
      const struct quotactl_ops *s_qcop;
      const struct export_operations *s_export_op;
      long unsigned int s_flags;
      long unsigned int s_iflags;
      long unsigned int s_magic;
      struct dentry *s_root;
      struct rw_semaphore s_umount;
      int s_count;
      atomic_t s_active;
      void *s_security;
      const struct xattr_handler **s_xattr;
      const struct fscrypt_operations *s_cop;
      struct hlist_bl_head s_roots;
      struct list_head s_mounts;
      struct block_device *s_bdev;
      struct backing_dev_info *s_bdi;
      struct mtd_info *s_mtd;
      struct hlist_node s_instances;
      unsigned int s_quota_types;
      struct quota_info s_dquot;
      struct sb_writers s_writers;
      char s_id[32];
      uuid_t s_uuid;
      void *s_fs_info;
      unsigned int s_max_links;
      fmode_t s_mode;
      u32 s_time_gran;
      struct mutex s_vfs_rename_mutex;
      char *s_subtype;
      const struct dentry_operations *s_d_op;
      int cleancache_poolid;
      struct shrinker s_shrink;
      atomic_long_t s_remove_count;
      int s_readonly_remount;
      struct workqueue_struct *s_dio_done_wq;
      struct hlist_head s_pins;
      struct user_namespace *s_user_ns;
      struct list_lru s_dentry_lru;
      struct list_lru s_inode_lru;
      struct callback_head rcu;
      struct work_struct destroy_work;
      struct mutex s_sync_lock;
      int s_stack_depth;
      spinlock_t s_inode_list_lock;
      struct list_head s_inodes;
      spinlock_t s_inode_wblist_lock;
      struct list_head s_inodes_wb;
  };
  

• In 5.0: ✅

  struct super_block {
      struct list_head s_list;
      dev_t s_dev;
      unsigned char s_blocksize_bits;
      long unsigned int s_blocksize;
      loff_t s_maxbytes;
      struct file_system_type *s_type;
      const struct super_operations *s_op;
      const struct dquot_operations *dq_op;
      const struct quotactl_ops *s_qcop;
      const struct export_operations *s_export_op;
      long unsigned int s_flags;
      long unsigned int s_iflags;
      long unsigned int s_magic;
      struct dentry *s_root;
      struct rw_semaphore s_umount;
      int s_count;
      atomic_t s_active;
      void *s_security;
      const struct xattr_handler **s_xattr;
      const struct fscrypt_operations *s_cop;
      struct hlist_bl_head s_roots;
      struct list_head s_mounts;
      struct block_device *s_bdev;
      struct backing_dev_info *s_bdi;
      struct mtd_info *s_mtd;
      struct hlist_node s_instances;
      unsigned int s_quota_types;
      struct quota_info s_dquot;
      struct sb_writers s_writers;
      void *s_fs_info;
      u32 s_time_gran;
      __u32 s_fsnotify_mask;
      struct fsnotify_mark_connector *s_fsnotify_marks;
      char s_id[32];
      uuid_t s_uuid;
      unsigned int s_max_links;
      fmode_t s_mode;
      struct mutex s_vfs_rename_mutex;
      char *s_subtype;
      const struct dentry_operations *s_d_op;
      int cleancache_poolid;
      struct shrinker s_shrink;
      atomic_long_t s_remove_count;
      atomic_long_t s_fsnotify_inode_refs;
      int s_readonly_remount;
      struct workqueue_struct *s_dio_done_wq;
      struct hlist_head s_pins;
      struct user_namespace *s_user_ns;
      struct list_lru s_dentry_lru;
      struct list_lru s_inode_lru;
      struct callback_head rcu;
      struct work_struct destroy_work;
      struct mutex s_sync_lock;
      int s_stack_depth;
      spinlock_t s_inode_list_lock;
      struct list_head s_inodes;
      spinlock_t s_inode_wblist_lock;
      struct list_head s_inodes_wb;
  };
  

• In 5.3: ✅

  struct super_block {
      struct list_head s_list;
      dev_t s_dev;
      unsigned char s_blocksize_bits;
      long unsigned int s_blocksize;
      loff_t s_maxbytes;
      struct file_system_type *s_type;
      const struct super_operations *s_op;
      const struct dquot_operations *dq_op;
      const struct quotactl_ops *s_qcop;
      const struct export_operations *s_export_op;
      long unsigned int s_flags;
      long unsigned int s_iflags;
      long unsigned int s_magic;
      struct dentry *s_root;
      struct rw_semaphore s_umount;
      int s_count;
      atomic_t s_active;
      void *s_security;
      const struct xattr_handler **s_xattr;
      const struct fscrypt_operations *s_cop;
      struct hlist_bl_head s_roots;
      struct list_head s_mounts;
      struct block_device *s_bdev;
      struct backing_dev_info *s_bdi;
      struct mtd_info *s_mtd;
      struct hlist_node s_instances;
      unsigned int s_quota_types;
      struct quota_info s_dquot;
      struct sb_writers s_writers;
      void *s_fs_info;
      u32 s_time_gran;
      __u32 s_fsnotify_mask;
      struct fsnotify_mark_connector *s_fsnotify_marks;
      char s_id[32];
      uuid_t s_uuid;
      unsigned int s_max_links;
      fmode_t s_mode;
      struct mutex s_vfs_rename_mutex;
      const char *s_subtype;
      const struct dentry_operations *s_d_op;
      int cleancache_poolid;
      struct shrinker s_shrink;
      atomic_long_t s_remove_count;
      atomic_long_t s_fsnotify_inode_refs;
      int s_readonly_remount;
      struct workqueue_struct *s_dio_done_wq;
      struct hlist_head s_pins;
      struct user_namespace *s_user_ns;
      struct list_lru s_dentry_lru;
      struct list_lru s_inode_lru;
      struct callback_head rcu;
      struct work_struct destroy_work;
      struct mutex s_sync_lock;
      int s_stack_depth;
      spinlock_t s_inode_list_lock;
      struct list_head s_inodes;
      spinlock_t s_inode_wblist_lock;
      struct list_head s_inodes_wb;
  };
  

• In 5.4: ✅

  struct super_block {
      struct list_head s_list;
      dev_t s_dev;
      unsigned char s_blocksize_bits;
      long unsigned int s_blocksize;
      loff_t s_maxbytes;
      struct file_system_type *s_type;
      const struct super_operations *s_op;
      const struct dquot_operations *dq_op;
      const struct quotactl_ops *s_qcop;
      const struct export_operations *s_export_op;
      long unsigned int s_flags;
      long unsigned int s_iflags;
      long unsigned int s_magic;
      struct dentry *s_root;
      struct rw_semaphore s_umount;
      int s_count;
      atomic_t s_active;
      void *s_security;
      const struct xattr_handler **s_xattr;
      const struct fscrypt_operations *s_cop;
      struct key *s_master_keys;
      const struct fsverity_operations *s_vop;
      struct hlist_bl_head s_roots;
      struct list_head s_mounts;
      struct block_device *s_bdev;
      struct backing_dev_info *s_bdi;
      struct mtd_info *s_mtd;
      struct hlist_node s_instances;
      unsigned int s_quota_types;
      struct quota_info s_dquot;
      struct sb_writers s_writers;
      void *s_fs_info;
      u32 s_time_gran;
      time64_t s_time_min;
      time64_t s_time_max;
      __u32 s_fsnotify_mask;
      struct fsnotify_mark_connector *s_fsnotify_marks;
      char s_id[32];
      uuid_t s_uuid;
      unsigned int s_max_links;
      fmode_t s_mode;
      struct mutex s_vfs_rename_mutex;
      const char *s_subtype;
      const struct dentry_operations *s_d_op;
      int cleancache_poolid;
      struct shrinker s_shrink;
      atomic_long_t s_remove_count;
      atomic_long_t s_fsnotify_inode_refs;
      int s_readonly_remount;
      struct workqueue_struct *s_dio_done_wq;
      struct hlist_head s_pins;
      struct user_namespace *s_user_ns;
      struct list_lru s_dentry_lru;
      struct list_lru s_inode_lru;
      struct callback_head rcu;
      struct work_struct destroy_work;
      struct mutex s_sync_lock;
      int s_stack_depth;
      spinlock_t s_inode_list_lock;
      struct list_head s_inodes;
      spinlock_t s_inode_wblist_lock;
      struct list_head s_inodes_wb;
  };
  

• In 5.8: ✅

  struct super_block {
      struct list_head s_list;
      dev_t s_dev;
      unsigned char s_blocksize_bits;
      long unsigned int s_blocksize;
      loff_t s_maxbytes;
      struct file_system_type *s_type;
      const struct super_operations *s_op;
      const struct dquot_operations *dq_op;
      const struct quotactl_ops *s_qcop;
      const struct export_operations *s_export_op;
      long unsigned int s_flags;
      long unsigned int s_iflags;
      long unsigned int s_magic;
      struct dentry *s_root;
      struct rw_semaphore s_umount;
      int s_count;
      atomic_t s_active;
      void *s_security;
      const struct xattr_handler **s_xattr;
      const struct fscrypt_operations *s_cop;
      struct key *s_master_keys;
      const struct fsverity_operations *s_vop;
      struct hlist_bl_head s_roots;
      struct list_head s_mounts;
      struct block_device *s_bdev;
      struct backing_dev_info *s_bdi;
      struct mtd_info *s_mtd;
      struct hlist_node s_instances;
      unsigned int s_quota_types;
      struct quota_info s_dquot;
      struct sb_writers s_writers;
      void *s_fs_info;
      u32 s_time_gran;
      time64_t s_time_min;
      time64_t s_time_max;
      __u32 s_fsnotify_mask;
      struct fsnotify_mark_connector *s_fsnotify_marks;
      char s_id[32];
      uuid_t s_uuid;
      unsigned int s_max_links;
      fmode_t s_mode;
      struct mutex s_vfs_rename_mutex;
      const char *s_subtype;
      const struct dentry_operations *s_d_op;
      int cleancache_poolid;
      struct shrinker s_shrink;
      atomic_long_t s_remove_count;
      atomic_long_t s_fsnotify_inode_refs;
      int s_readonly_remount;
      errseq_t s_wb_err;
      struct workqueue_struct *s_dio_done_wq;
      struct hlist_head s_pins;
      struct user_namespace *s_user_ns;
      struct list_lru s_dentry_lru;
      struct list_lru s_inode_lru;
      struct callback_head rcu;
      struct work_struct destroy_work;
      struct mutex s_sync_lock;
      int s_stack_depth;
      spinlock_t s_inode_list_lock;
      struct list_head s_inodes;
      spinlock_t s_inode_wblist_lock;
      struct list_head s_inodes_wb;
  };
  

• In 5.11: ✅

  struct super_block {
      struct list_head s_list;
      dev_t s_dev;
      unsigned char s_blocksize_bits;
      long unsigned int s_blocksize;
      loff_t s_maxbytes;
      struct file_system_type *s_type;
      const struct super_operations *s_op;
      const struct dquot_operations *dq_op;
      const struct quotactl_ops *s_qcop;
      const struct export_operations *s_export_op;
      long unsigned int s_flags;
      long unsigned int s_iflags;
      long unsigned int s_magic;
      struct dentry *s_root;
      struct rw_semaphore s_umount;
      int s_count;
      atomic_t s_active;
      void *s_security;
      const struct xattr_handler **s_xattr;
      const struct fscrypt_operations *s_cop;
      struct key *s_master_keys;
      const struct fsverity_operations *s_vop;
      struct unicode_map *s_encoding;
      __u16 s_encoding_flags;
      struct hlist_bl_head s_roots;
      struct list_head s_mounts;
      struct block_device *s_bdev;
      struct backing_dev_info *s_bdi;
      struct mtd_info *s_mtd;
      struct hlist_node s_instances;
      unsigned int s_quota_types;
      struct quota_info s_dquot;
      struct sb_writers s_writers;
      void *s_fs_info;
      u32 s_time_gran;
      time64_t s_time_min;
      time64_t s_time_max;
      __u32 s_fsnotify_mask;
      struct fsnotify_mark_connector *s_fsnotify_marks;
      char s_id[32];
      uuid_t s_uuid;
      unsigned int s_max_links;
      fmode_t s_mode;
      struct mutex s_vfs_rename_mutex;
      const char *s_subtype;
      const struct dentry_operations *s_d_op;
      int cleancache_poolid;
      struct shrinker s_shrink;
      atomic_long_t s_remove_count;
      atomic_long_t s_fsnotify_inode_refs;
      int s_readonly_remount;
      errseq_t s_wb_err;
      struct workqueue_struct *s_dio_done_wq;
      struct hlist_head s_pins;
      struct user_namespace *s_user_ns;
      struct list_lru s_dentry_lru;
      struct list_lru s_inode_lru;
      struct callback_head rcu;
      struct work_struct destroy_work;
      struct mutex s_sync_lock;
      int s_stack_depth;
      spinlock_t s_inode_list_lock;
      struct list_head s_inodes;
      spinlock_t s_inode_wblist_lock;
      struct list_head s_inodes_wb;
  };
  

• In 5.13: ✅

  struct super_block {
      struct list_head s_list;
      dev_t s_dev;
      unsigned char s_blocksize_bits;
      long unsigned int s_blocksize;
      loff_t s_maxbytes;
      struct file_system_type *s_type;
      const struct super_operations *s_op;
      const struct dquot_operations *dq_op;
      const struct quotactl_ops *s_qcop;
      const struct export_operations *s_export_op;
      long unsigned int s_flags;
      long unsigned int s_iflags;
      long unsigned int s_magic;
      struct dentry *s_root;
      struct rw_semaphore s_umount;
      int s_count;
      atomic_t s_active;
      void *s_security;
      const struct xattr_handler **s_xattr;
      const struct fscrypt_operations *s_cop;
      struct key *s_master_keys;
      const struct fsverity_operations *s_vop;
      struct unicode_map *s_encoding;
      __u16 s_encoding_flags;
      struct hlist_bl_head s_roots;
      struct list_head s_mounts;
      struct block_device *s_bdev;
      struct backing_dev_info *s_bdi;
      struct mtd_info *s_mtd;
      struct hlist_node s_instances;
      unsigned int s_quota_types;
      struct quota_info s_dquot;
      struct sb_writers s_writers;
      void *s_fs_info;
      u32 s_time_gran;
      time64_t s_time_min;
      time64_t s_time_max;
      __u32 s_fsnotify_mask;
      struct fsnotify_mark_connector *s_fsnotify_marks;
      char s_id[32];
      uuid_t s_uuid;
      unsigned int s_max_links;
      fmode_t s_mode;
      struct mutex s_vfs_rename_mutex;
      const char *s_subtype;
      const struct dentry_operations *s_d_op;
      int cleancache_poolid;
      struct shrinker s_shrink;
      atomic_long_t s_remove_count;
      atomic_long_t s_fsnotify_inode_refs;
      int s_readonly_remount;
      errseq_t s_wb_err;
      struct workqueue_struct *s_dio_done_wq;
      struct hlist_head s_pins;
      struct user_namespace *s_user_ns;
      struct list_lru s_dentry_lru;
      struct list_lru s_inode_lru;
      struct callback_head rcu;
      struct work_struct destroy_work;
      struct mutex s_sync_lock;
      int s_stack_depth;
      spinlock_t s_inode_list_lock;
      struct list_head s_inodes;
      spinlock_t s_inode_wblist_lock;
      struct list_head s_inodes_wb;
  };
  

• In 5.15: ✅

  struct super_block {
      struct list_head s_list;
      dev_t s_dev;
      unsigned char s_blocksize_bits;
      long unsigned int s_blocksize;
      loff_t s_maxbytes;
      struct file_system_type *s_type;
      const struct super_operations *s_op;
      const struct dquot_operations *dq_op;
      const struct quotactl_ops *s_qcop;
      const struct export_operations *s_export_op;
      long unsigned int s_flags;
      long unsigned int s_iflags;
      long unsigned int s_magic;
      struct dentry *s_root;
      struct rw_semaphore s_umount;
      int s_count;
      atomic_t s_active;
      void *s_security;
      const struct xattr_handler **s_xattr;
      const struct fscrypt_operations *s_cop;
      struct key *s_master_keys;
      const struct fsverity_operations *s_vop;
      struct unicode_map *s_encoding;
      __u16 s_encoding_flags;
      struct hlist_bl_head s_roots;
      struct list_head s_mounts;
      struct block_device *s_bdev;
      struct backing_dev_info *s_bdi;
      struct mtd_info *s_mtd;
      struct hlist_node s_instances;
      unsigned int s_quota_types;
      struct quota_info s_dquot;
      struct sb_writers s_writers;
      void *s_fs_info;
      u32 s_time_gran;
      time64_t s_time_min;
      time64_t s_time_max;
      __u32 s_fsnotify_mask;
      struct fsnotify_mark_connector *s_fsnotify_marks;
      char s_id[32];
      uuid_t s_uuid;
      unsigned int s_max_links;
      fmode_t s_mode;
      struct mutex s_vfs_rename_mutex;
      const char *s_subtype;
      const struct dentry_operations *s_d_op;
      int cleancache_poolid;
      struct shrinker s_shrink;
      atomic_long_t s_remove_count;
      atomic_long_t s_fsnotify_connectors;
      int s_readonly_remount;
      errseq_t s_wb_err;
      struct workqueue_struct *s_dio_done_wq;
      struct hlist_head s_pins;
      struct user_namespace *s_user_ns;
      struct list_lru s_dentry_lru;
      struct list_lru s_inode_lru;
      struct callback_head rcu;
      struct work_struct destroy_work;
      struct mutex s_sync_lock;
      int s_stack_depth;
      spinlock_t s_inode_list_lock;
      struct list_head s_inodes;
      spinlock_t s_inode_wblist_lock;
      struct list_head s_inodes_wb;
  };
  

• In 5.19: ✅

  struct super_block {
      struct list_head s_list;
      dev_t s_dev;
      unsigned char s_blocksize_bits;
      long unsigned int s_blocksize;
      loff_t s_maxbytes;
      struct file_system_type *s_type;
      const struct super_operations *s_op;
      const struct dquot_operations *dq_op;
      const struct quotactl_ops *s_qcop;
      const struct export_operations *s_export_op;
      long unsigned int s_flags;
      long unsigned int s_iflags;
      long unsigned int s_magic;
      struct dentry *s_root;
      struct rw_semaphore s_umount;
      int s_count;
      atomic_t s_active;
      void *s_security;
      const struct xattr_handler **s_xattr;
      const struct fscrypt_operations *s_cop;
      struct key *s_master_keys;
      const struct fsverity_operations *s_vop;
      struct unicode_map *s_encoding;
      __u16 s_encoding_flags;
      struct hlist_bl_head s_roots;
      struct list_head s_mounts;
      struct block_device *s_bdev;
      struct backing_dev_info *s_bdi;
      struct mtd_info *s_mtd;
      struct hlist_node s_instances;
      unsigned int s_quota_types;
      struct quota_info s_dquot;
      struct sb_writers s_writers;
      void *s_fs_info;
      u32 s_time_gran;
      time64_t s_time_min;
      time64_t s_time_max;
      __u32 s_fsnotify_mask;
      struct fsnotify_mark_connector *s_fsnotify_marks;
      char s_id[32];
      uuid_t s_uuid;
      unsigned int s_max_links;
      fmode_t s_mode;
      struct mutex s_vfs_rename_mutex;
      const char *s_subtype;
      const struct dentry_operations *s_d_op;
      struct shrinker s_shrink;
      atomic_long_t s_remove_count;
      atomic_long_t s_fsnotify_connectors;
      int s_readonly_remount;
      errseq_t s_wb_err;
      struct workqueue_struct *s_dio_done_wq;
      struct hlist_head s_pins;
      struct user_namespace *s_user_ns;
      struct list_lru s_dentry_lru;
      struct list_lru s_inode_lru;
      struct callback_head rcu;
      struct work_struct destroy_work;
      struct mutex s_sync_lock;
      int s_stack_depth;
      spinlock_t s_inode_list_lock;
      struct list_head s_inodes;
      spinlock_t s_inode_wblist_lock;
      struct list_head s_inodes_wb;
  };
  

• In 6.2: ✅

  struct super_block {
      struct list_head s_list;
      dev_t s_dev;
      unsigned char s_blocksize_bits;
      long unsigned int s_blocksize;
      loff_t s_maxbytes;
      struct file_system_type *s_type;
      const struct super_operations *s_op;
      const struct dquot_operations *dq_op;
      const struct quotactl_ops *s_qcop;
      const struct export_operations *s_export_op;
      long unsigned int s_flags;
      long unsigned int s_iflags;
      long unsigned int s_magic;
      struct dentry *s_root;
      struct rw_semaphore s_umount;
      int s_count;
      atomic_t s_active;
      void *s_security;
      const struct xattr_handler **s_xattr;
      const struct fscrypt_operations *s_cop;
      struct fscrypt_keyring *s_master_keys;
      const struct fsverity_operations *s_vop;
      struct unicode_map *s_encoding;
      __u16 s_encoding_flags;
      struct hlist_bl_head s_roots;
      struct list_head s_mounts;
      struct block_device *s_bdev;
      struct backing_dev_info *s_bdi;
      struct mtd_info *s_mtd;
      struct hlist_node s_instances;
      unsigned int s_quota_types;
      struct quota_info s_dquot;
      struct sb_writers s_writers;
      void *s_fs_info;
      u32 s_time_gran;
      time64_t s_time_min;
      time64_t s_time_max;
      __u32 s_fsnotify_mask;
      struct fsnotify_mark_connector *s_fsnotify_marks;
      char s_id[32];
      uuid_t s_uuid;
      unsigned int s_max_links;
      fmode_t s_mode;
      struct mutex s_vfs_rename_mutex;
      const char *s_subtype;
      const struct dentry_operations *s_d_op;
      struct shrinker s_shrink;
      atomic_long_t s_remove_count;
      atomic_long_t s_fsnotify_connectors;
      int s_readonly_remount;
      errseq_t s_wb_err;
      struct workqueue_struct *s_dio_done_wq;
      struct hlist_head s_pins;
      struct user_namespace *s_user_ns;
      struct list_lru s_dentry_lru;
      struct list_lru s_inode_lru;
      struct callback_head rcu;
      struct work_struct destroy_work;
      struct mutex s_sync_lock;
      int s_stack_depth;
      spinlock_t s_inode_list_lock;
      struct list_head s_inodes;
      spinlock_t s_inode_wblist_lock;
      struct list_head s_inodes_wb;
  };
  

• In 6.5: ✅

  struct super_block {
      struct list_head s_list;
      dev_t s_dev;
      unsigned char s_blocksize_bits;
      long unsigned int s_blocksize;
      loff_t s_maxbytes;
      struct file_system_type *s_type;
      const struct super_operations *s_op;
      const struct dquot_operations *dq_op;
      const struct quotactl_ops *s_qcop;
      const struct export_operations *s_export_op;
      long unsigned int s_flags;
      long unsigned int s_iflags;
      long unsigned int s_magic;
      struct dentry *s_root;
      struct rw_semaphore s_umount;
      int s_count;
      atomic_t s_active;
      void *s_security;
      const struct xattr_handler **s_xattr;
      const struct fscrypt_operations *s_cop;
      struct fscrypt_keyring *s_master_keys;
      const struct fsverity_operations *s_vop;
      struct unicode_map *s_encoding;
      __u16 s_encoding_flags;
      struct hlist_bl_head s_roots;
      struct list_head s_mounts;
      struct block_device *s_bdev;
      struct backing_dev_info *s_bdi;
      struct mtd_info *s_mtd;
      struct hlist_node s_instances;
      unsigned int s_quota_types;
      struct quota_info s_dquot;
      struct sb_writers s_writers;
      void *s_fs_info;
      u32 s_time_gran;
      time64_t s_time_min;
      time64_t s_time_max;
      __u32 s_fsnotify_mask;
      struct fsnotify_mark_connector *s_fsnotify_marks;
      char s_id[32];
      uuid_t s_uuid;
      unsigned int s_max_links;
      struct mutex s_vfs_rename_mutex;
      const char *s_subtype;
      const struct dentry_operations *s_d_op;
      struct shrinker s_shrink;
      atomic_long_t s_remove_count;
      atomic_long_t s_fsnotify_connectors;
      int s_readonly_remount;
      errseq_t s_wb_err;
      struct workqueue_struct *s_dio_done_wq;
      struct hlist_head s_pins;
      struct user_namespace *s_user_ns;
      struct list_lru s_dentry_lru;
      struct list_lru s_inode_lru;
      struct callback_head rcu;
      struct work_struct destroy_work;
      struct mutex s_sync_lock;
      int s_stack_depth;
      spinlock_t s_inode_list_lock;
      struct list_head s_inodes;
      spinlock_t s_inode_wblist_lock;
      struct list_head s_inodes_wb;
  };
  

• In 6.8: ✅

  struct super_block {
      struct list_head s_list;
      dev_t s_dev;
      unsigned char s_blocksize_bits;
      long unsigned int s_blocksize;
      loff_t s_maxbytes;
      struct file_system_type *s_type;
      const struct super_operations *s_op;
      const struct dquot_operations *dq_op;
      const struct quotactl_ops *s_qcop;
      const struct export_operations *s_export_op;
      long unsigned int s_flags;
      long unsigned int s_iflags;
      long unsigned int s_magic;
      struct dentry *s_root;
      struct rw_semaphore s_umount;
      int s_count;
      atomic_t s_active;
      void *s_security;
      const const struct xattr_handler * *s_xattr;
      const struct fscrypt_operations *s_cop;
      struct fscrypt_keyring *s_master_keys;
      const struct fsverity_operations *s_vop;
      struct unicode_map *s_encoding;
      __u16 s_encoding_flags;
      struct hlist_bl_head s_roots;
      struct list_head s_mounts;
      struct block_device *s_bdev;
      struct bdev_handle *s_bdev_handle;
      struct backing_dev_info *s_bdi;
      struct mtd_info *s_mtd;
      struct hlist_node s_instances;
      unsigned int s_quota_types;
      struct quota_info s_dquot;
      struct sb_writers s_writers;
      void *s_fs_info;
      u32 s_time_gran;
      time64_t s_time_min;
      time64_t s_time_max;
      __u32 s_fsnotify_mask;
      struct fsnotify_mark_connector *s_fsnotify_marks;
      char s_id[32];
      uuid_t s_uuid;
      unsigned int s_max_links;
      struct mutex s_vfs_rename_mutex;
      const char *s_subtype;
      const struct dentry_operations *s_d_op;
      struct shrinker *s_shrink;
      atomic_long_t s_remove_count;
      atomic_long_t s_fsnotify_connectors;
      int s_readonly_remount;
      errseq_t s_wb_err;
      struct workqueue_struct *s_dio_done_wq;
      struct hlist_head s_pins;
      struct user_namespace *s_user_ns;
      struct list_lru s_dentry_lru;
      struct list_lru s_inode_lru;
      struct callback_head rcu;
      struct work_struct destroy_work;
      struct mutex s_sync_lock;
      int s_stack_depth;
      spinlock_t s_inode_list_lock;
      struct list_head s_inodes;
      spinlock_t s_inode_wblist_lock;
      struct list_head s_inodes_wb;
  };
  

Arch

• In arm64: ✅

  struct super_block {
      struct list_head s_list;
      dev_t s_dev;
      unsigned char s_blocksize_bits;
      long unsigned int s_blocksize;
      loff_t s_maxbytes;
      struct file_system_type *s_type;
      const struct super_operations *s_op;
      const struct dquot_operations *dq_op;
      const struct quotactl_ops *s_qcop;
      const struct export_operations *s_export_op;
      long unsigned int s_flags;
      long unsigned int s_iflags;
      long unsigned int s_magic;
      struct dentry *s_root;
      struct rw_semaphore s_umount;
      int s_count;
      atomic_t s_active;
      void *s_security;
      const struct xattr_handler **s_xattr;
      const struct fscrypt_operations *s_cop;
      struct key *s_master_keys;
      const struct fsverity_operations *s_vop;
      struct hlist_bl_head s_roots;
      struct list_head s_mounts;
      struct block_device *s_bdev;
      struct backing_dev_info *s_bdi;
      struct mtd_info *s_mtd;
      struct hlist_node s_instances;
      unsigned int s_quota_types;
      struct quota_info s_dquot;
      struct sb_writers s_writers;
      void *s_fs_info;
      u32 s_time_gran;
      time64_t s_time_min;
      time64_t s_time_max;
      __u32 s_fsnotify_mask;
      struct fsnotify_mark_connector *s_fsnotify_marks;
      char s_id[32];
      uuid_t s_uuid;
      unsigned int s_max_links;
      fmode_t s_mode;
      struct mutex s_vfs_rename_mutex;
      const char *s_subtype;
      const struct dentry_operations *s_d_op;
      int cleancache_poolid;
      struct shrinker s_shrink;
      atomic_long_t s_remove_count;
      atomic_long_t s_fsnotify_inode_refs;
      int s_readonly_remount;
      struct workqueue_struct *s_dio_done_wq;
      struct hlist_head s_pins;
      struct user_namespace *s_user_ns;
      struct list_lru s_dentry_lru;
      struct list_lru s_inode_lru;
      struct callback_head rcu;
      struct work_struct destroy_work;
      struct mutex s_sync_lock;
      int s_stack_depth;
      spinlock_t s_inode_list_lock;
      struct list_head s_inodes;
      spinlock_t s_inode_wblist_lock;
      struct list_head s_inodes_wb;
  };
  

• In armhf: ✅

  struct super_block {
      struct list_head s_list;
      dev_t s_dev;
      unsigned char s_blocksize_bits;
      long unsigned int s_blocksize;
      loff_t s_maxbytes;
      struct file_system_type *s_type;
      const struct super_operations *s_op;
      const struct dquot_operations *dq_op;
      const struct quotactl_ops *s_qcop;
      const struct export_operations *s_export_op;
      long unsigned int s_flags;
      long unsigned int s_iflags;
      long unsigned int s_magic;
      struct dentry *s_root;
      struct rw_semaphore s_umount;
      int s_count;
      atomic_t s_active;
      void *s_security;
      const struct xattr_handler **s_xattr;
      const struct fscrypt_operations *s_cop;
      struct key *s_master_keys;
      const struct fsverity_operations *s_vop;
      struct hlist_bl_head s_roots;
      struct list_head s_mounts;
      struct block_device *s_bdev;
      struct backing_dev_info *s_bdi;
      struct mtd_info *s_mtd;
      struct hlist_node s_instances;
      unsigned int s_quota_types;
      struct quota_info s_dquot;
      struct sb_writers s_writers;
      void *s_fs_info;
      u32 s_time_gran;
      time64_t s_time_min;
      time64_t s_time_max;
      __u32 s_fsnotify_mask;
      struct fsnotify_mark_connector *s_fsnotify_marks;
      char s_id[32];
      uuid_t s_uuid;
      unsigned int s_max_links;
      fmode_t s_mode;
      struct mutex s_vfs_rename_mutex;
      const char *s_subtype;
      const struct dentry_operations *s_d_op;
      int cleancache_poolid;
      struct shrinker s_shrink;
      atomic_long_t s_remove_count;
      atomic_long_t s_fsnotify_inode_refs;
      int s_readonly_remount;
      struct workqueue_struct *s_dio_done_wq;
      struct hlist_head s_pins;
      struct user_namespace *s_user_ns;
      struct list_lru s_dentry_lru;
      struct list_lru s_inode_lru;
      struct callback_head rcu;
      struct work_struct destroy_work;
      struct mutex s_sync_lock;
      int s_stack_depth;
      spinlock_t s_inode_list_lock;
      struct list_head s_inodes;
      spinlock_t s_inode_wblist_lock;
      struct list_head s_inodes_wb;
  };
  

• In ppc64el: ✅

  struct super_block {
      struct list_head s_list;
      dev_t s_dev;
      unsigned char s_blocksize_bits;
      long unsigned int s_blocksize;
      loff_t s_maxbytes;
      struct file_system_type *s_type;
      const struct super_operations *s_op;
      const struct dquot_operations *dq_op;
      const struct quotactl_ops *s_qcop;
      const struct export_operations *s_export_op;
      long unsigned int s_flags;
      long unsigned int s_iflags;
      long unsigned int s_magic;
      struct dentry *s_root;
      struct rw_semaphore s_umount;
      int s_count;
      atomic_t s_active;
      void *s_security;
      const struct xattr_handler **s_xattr;
      const struct fscrypt_operations *s_cop;
      struct key *s_master_keys;
      const struct fsverity_operations *s_vop;
      struct hlist_bl_head s_roots;
      struct list_head s_mounts;
      struct block_device *s_bdev;
      struct backing_dev_info *s_bdi;
      struct mtd_info *s_mtd;
      struct hlist_node s_instances;
      unsigned int s_quota_types;
      struct quota_info s_dquot;
      struct sb_writers s_writers;
      void *s_fs_info;
      u32 s_time_gran;
      time64_t s_time_min;
      time64_t s_time_max;
      __u32 s_fsnotify_mask;
      struct fsnotify_mark_connector *s_fsnotify_marks;
      char s_id[32];
      uuid_t s_uuid;
      unsigned int s_max_links;
      fmode_t s_mode;
      struct mutex s_vfs_rename_mutex;
      const char *s_subtype;
      const struct dentry_operations *s_d_op;
      int cleancache_poolid;
      struct shrinker s_shrink;
      atomic_long_t s_remove_count;
      atomic_long_t s_fsnotify_inode_refs;
      int s_readonly_remount;
      struct workqueue_struct *s_dio_done_wq;
      struct hlist_head s_pins;
      struct user_namespace *s_user_ns;
      struct list_lru s_dentry_lru;
      struct list_lru s_inode_lru;
      struct callback_head rcu;
      struct work_struct destroy_work;
      struct mutex s_sync_lock;
      int s_stack_depth;
      spinlock_t s_inode_list_lock;
      struct list_head s_inodes;
      spinlock_t s_inode_wblist_lock;
      struct list_head s_inodes_wb;
  };
  

• In riscv64: ✅

  struct super_block {
      struct list_head s_list;
      dev_t s_dev;
      unsigned char s_blocksize_bits;
      long unsigned int s_blocksize;
      loff_t s_maxbytes;
      struct file_system_type *s_type;
      const struct super_operations *s_op;
      const struct dquot_operations *dq_op;
      const struct quotactl_ops *s_qcop;
      const struct export_operations *s_export_op;
      long unsigned int s_flags;
      long unsigned int s_iflags;
      long unsigned int s_magic;
      struct dentry *s_root;
      struct rw_semaphore s_umount;
      int s_count;
      atomic_t s_active;
      void *s_security;
      const struct xattr_handler **s_xattr;
      const struct fscrypt_operations *s_cop;
      struct key *s_master_keys;
      const struct fsverity_operations *s_vop;
      struct hlist_bl_head s_roots;
      struct list_head s_mounts;
      struct block_device *s_bdev;
      struct backing_dev_info *s_bdi;
      struct mtd_info *s_mtd;
      struct hlist_node s_instances;
      unsigned int s_quota_types;
      struct quota_info s_dquot;
      struct sb_writers s_writers;
      void *s_fs_info;
      u32 s_time_gran;
      time64_t s_time_min;
      time64_t s_time_max;
      __u32 s_fsnotify_mask;
      struct fsnotify_mark_connector *s_fsnotify_marks;
      char s_id[32];
      uuid_t s_uuid;
      unsigned int s_max_links;
      fmode_t s_mode;
      struct mutex s_vfs_rename_mutex;
      const char *s_subtype;
      const struct dentry_operations *s_d_op;
      int cleancache_poolid;
      struct shrinker s_shrink;
      atomic_long_t s_remove_count;
      atomic_long_t s_fsnotify_inode_refs;
      int s_readonly_remount;
      struct workqueue_struct *s_dio_done_wq;
      struct hlist_head s_pins;
      struct user_namespace *s_user_ns;
      struct list_lru s_dentry_lru;
      struct list_lru s_inode_lru;
      struct callback_head rcu;
      struct work_struct destroy_work;
      struct mutex s_sync_lock;
      int s_stack_depth;
      spinlock_t s_inode_list_lock;
      struct list_head s_inodes;
      spinlock_t s_inode_wblist_lock;
      struct list_head s_inodes_wb;
  };
  

Flavor

• In aws: ✅

  struct super_block {
      struct list_head s_list;
      dev_t s_dev;
      unsigned char s_blocksize_bits;
      long unsigned int s_blocksize;
      loff_t s_maxbytes;
      struct file_system_type *s_type;
      const struct super_operations *s_op;
      const struct dquot_operations *dq_op;
      const struct quotactl_ops *s_qcop;
      const struct export_operations *s_export_op;
      long unsigned int s_flags;
      long unsigned int s_iflags;
      long unsigned int s_magic;
      struct dentry *s_root;
      struct rw_semaphore s_umount;
      int s_count;
      atomic_t s_active;
      void *s_security;
      const struct xattr_handler **s_xattr;
      const struct fscrypt_operations *s_cop;
      struct key *s_master_keys;
      const struct fsverity_operations *s_vop;
      struct hlist_bl_head s_roots;
      struct list_head s_mounts;
      struct block_device *s_bdev;
      struct backing_dev_info *s_bdi;
      struct mtd_info *s_mtd;
      struct hlist_node s_instances;
      unsigned int s_quota_types;
      struct quota_info s_dquot;
      struct sb_writers s_writers;
      void *s_fs_info;
      u32 s_time_gran;
      time64_t s_time_min;
      time64_t s_time_max;
      __u32 s_fsnotify_mask;
      struct fsnotify_mark_connector *s_fsnotify_marks;
      char s_id[32];
      uuid_t s_uuid;
      unsigned int s_max_links;
      fmode_t s_mode;
      struct mutex s_vfs_rename_mutex;
      const char *s_subtype;
      const struct dentry_operations *s_d_op;
      int cleancache_poolid;
      struct shrinker s_shrink;
      atomic_long_t s_remove_count;
      atomic_long_t s_fsnotify_inode_refs;
      int s_readonly_remount;
      struct workqueue_struct *s_dio_done_wq;
      struct hlist_head s_pins;
      struct user_namespace *s_user_ns;
      struct list_lru s_dentry_lru;
      struct list_lru s_inode_lru;
      struct callback_head rcu;
      struct work_struct destroy_work;
      struct mutex s_sync_lock;
      int s_stack_depth;
      spinlock_t s_inode_list_lock;
      struct list_head s_inodes;
      spinlock_t s_inode_wblist_lock;
      struct list_head s_inodes_wb;
  };
  

• In azure: ✅

  struct super_block {
      struct list_head s_list;
      dev_t s_dev;
      unsigned char s_blocksize_bits;
      long unsigned int s_blocksize;
      loff_t s_maxbytes;
      struct file_system_type *s_type;
      const struct super_operations *s_op;
      const struct dquot_operations *dq_op;
      const struct quotactl_ops *s_qcop;
      const struct export_operations *s_export_op;
      long unsigned int s_flags;
      long unsigned int s_iflags;
      long unsigned int s_magic;
      struct dentry *s_root;
      struct rw_semaphore s_umount;
      int s_count;
      atomic_t s_active;
      void *s_security;
      const struct xattr_handler **s_xattr;
      const struct fscrypt_operations *s_cop;
      struct key *s_master_keys;
      const struct fsverity_operations *s_vop;
      struct hlist_bl_head s_roots;
      struct list_head s_mounts;
      struct block_device *s_bdev;
      struct backing_dev_info *s_bdi;
      struct mtd_info *s_mtd;
      struct hlist_node s_instances;
      unsigned int s_quota_types;
      struct quota_info s_dquot;
      struct sb_writers s_writers;
      void *s_fs_info;
      u32 s_time_gran;
      time64_t s_time_min;
      time64_t s_time_max;
      __u32 s_fsnotify_mask;
      struct fsnotify_mark_connector *s_fsnotify_marks;
      char s_id[32];
      uuid_t s_uuid;
      unsigned int s_max_links;
      fmode_t s_mode;
      struct mutex s_vfs_rename_mutex;
      const char *s_subtype;
      const struct dentry_operations *s_d_op;
      int cleancache_poolid;
      struct shrinker s_shrink;
      atomic_long_t s_remove_count;
      atomic_long_t s_fsnotify_inode_refs;
      int s_readonly_remount;
      struct workqueue_struct *s_dio_done_wq;
      struct hlist_head s_pins;
      struct user_namespace *s_user_ns;
      struct list_lru s_dentry_lru;
      struct list_lru s_inode_lru;
      struct callback_head rcu;
      struct work_struct destroy_work;
      struct mutex s_sync_lock;
      int s_stack_depth;
      spinlock_t s_inode_list_lock;
      struct list_head s_inodes;
      spinlock_t s_inode_wblist_lock;
      struct list_head s_inodes_wb;
  };
  

• In gcp: ✅

  struct super_block {
      struct list_head s_list;
      dev_t s_dev;
      unsigned char s_blocksize_bits;
      long unsigned int s_blocksize;
      loff_t s_maxbytes;
      struct file_system_type *s_type;
      const struct super_operations *s_op;
      const struct dquot_operations *dq_op;
      const struct quotactl_ops *s_qcop;
      const struct export_operations *s_export_op;
      long unsigned int s_flags;
      long unsigned int s_iflags;
      long unsigned int s_magic;
      struct dentry *s_root;
      struct rw_semaphore s_umount;
      int s_count;
      atomic_t s_active;
      void *s_security;
      const struct xattr_handler **s_xattr;
      const struct fscrypt_operations *s_cop;
      struct key *s_master_keys;
      const struct fsverity_operations *s_vop;
      struct hlist_bl_head s_roots;
      struct list_head s_mounts;
      struct block_device *s_bdev;
      struct backing_dev_info *s_bdi;
      struct mtd_info *s_mtd;
      struct hlist_node s_instances;
      unsigned int s_quota_types;
      struct quota_info s_dquot;
      struct sb_writers s_writers;
      void *s_fs_info;
      u32 s_time_gran;
      time64_t s_time_min;
      time64_t s_time_max;
      __u32 s_fsnotify_mask;
      struct fsnotify_mark_connector *s_fsnotify_marks;
      char s_id[32];
      uuid_t s_uuid;
      unsigned int s_max_links;
      fmode_t s_mode;
      struct mutex s_vfs_rename_mutex;
      const char *s_subtype;
      const struct dentry_operations *s_d_op;
      int cleancache_poolid;
      struct shrinker s_shrink;
      atomic_long_t s_remove_count;
      atomic_long_t s_fsnotify_inode_refs;
      int s_readonly_remount;
      struct workqueue_struct *s_dio_done_wq;
      struct hlist_head s_pins;
      struct user_namespace *s_user_ns;
      struct list_lru s_dentry_lru;
      struct list_lru s_inode_lru;
      struct callback_head rcu;
      struct work_struct destroy_work;
      struct mutex s_sync_lock;
      int s_stack_depth;
      spinlock_t s_inode_list_lock;
      struct list_head s_inodes;
      spinlock_t s_inode_wblist_lock;
      struct list_head s_inodes_wb;
  };
  

• In lowlatency: ✅

  struct super_block {
      struct list_head s_list;
      dev_t s_dev;
      unsigned char s_blocksize_bits;
      long unsigned int s_blocksize;
      loff_t s_maxbytes;
      struct file_system_type *s_type;
      const struct super_operations *s_op;
      const struct dquot_operations *dq_op;
      const struct quotactl_ops *s_qcop;
      const struct export_operations *s_export_op;
      long unsigned int s_flags;
      long unsigned int s_iflags;
      long unsigned int s_magic;
      struct dentry *s_root;
      struct rw_semaphore s_umount;
      int s_count;
      atomic_t s_active;
      void *s_security;
      const struct xattr_handler **s_xattr;
      const struct fscrypt_operations *s_cop;
      struct key *s_master_keys;
      const struct fsverity_operations *s_vop;
      struct hlist_bl_head s_roots;
      struct list_head s_mounts;
      struct block_device *s_bdev;
      struct backing_dev_info *s_bdi;
      struct mtd_info *s_mtd;
      struct hlist_node s_instances;
      unsigned int s_quota_types;
      struct quota_info s_dquot;
      struct sb_writers s_writers;
      void *s_fs_info;
      u32 s_time_gran;
      time64_t s_time_min;
      time64_t s_time_max;
      __u32 s_fsnotify_mask;
      struct fsnotify_mark_connector *s_fsnotify_marks;
      char s_id[32];
      uuid_t s_uuid;
      unsigned int s_max_links;
      fmode_t s_mode;
      struct mutex s_vfs_rename_mutex;
      const char *s_subtype;
      const struct dentry_operations *s_d_op;
      int cleancache_poolid;
      struct shrinker s_shrink;
      atomic_long_t s_remove_count;
      atomic_long_t s_fsnotify_inode_refs;
      int s_readonly_remount;
      struct workqueue_struct *s_dio_done_wq;
      struct hlist_head s_pins;
      struct user_namespace *s_user_ns;
      struct list_lru s_dentry_lru;
      struct list_lru s_inode_lru;
      struct callback_head rcu;
      struct work_struct destroy_work;
      struct mutex s_sync_lock;
      int s_stack_depth;
      spinlock_t s_inode_list_lock;
      struct list_head s_inodes;
      spinlock_t s_inode_wblist_lock;
      struct list_head s_inodes_wb;
  };
  

Differences

Regular

• Changed between 4.4 and 4.8 ⚠️

  • Field added. const struct fscrypt_operations *s_cop
  • Field added. spinlock_t s_inode_wblist_lock
  • Field added. struct list_head s_inodes_wb
• No changes between 4.8 and 4.10 ✅
• Changed between 4.10 and 4.13 ⚠️

  • Field removed. char *s_options
  • Field type changed. u8 s_uuid[16] ➡️ uuid_t s_uuid
• No changes between 4.13 and 4.15 ✅
• Changed between 4.15 and 4.18 ⚠️

  • Field added. struct hlist_bl_head s_roots
  • Field removed. struct hlist_bl_head s_anon
• Changed between 4.18 and 5.0 ⚠️

  • Field added. __u32 s_fsnotify_mask
  • Field added. struct fsnotify_mark_connector *s_fsnotify_marks
  • Field added. atomic_long_t s_fsnotify_inode_refs
• Changed between 5.0 and 5.3 ⚠️

  • Field type changed. char *s_subtype ➡️ const char *s_subtype
• Changed between 5.3 and 5.4 ⚠️

  • Field added. struct key *s_master_keys
  • Field added. const struct fsverity_operations *s_vop
  • Field added. time64_t s_time_min
  • Field added. time64_t s_time_max
• Changed between 5.4 and 5.8 ⚠️

  • Field added. errseq_t s_wb_err
• Changed between 5.8 and 5.11 ⚠️

  • Field added. struct unicode_map *s_encoding
  • Field added. __u16 s_encoding_flags
• No changes between 5.11 and 5.13 ✅
• Changed between 5.13 and 5.15 ⚠️

  • Field added. atomic_long_t s_fsnotify_connectors
  • Field removed. atomic_long_t s_fsnotify_inode_refs
• Changed between 5.15 and 5.19 ⚠️

  • Field removed. int cleancache_poolid
• Changed between 5.19 and 6.2 ⚠️

  • Field type changed. struct key *s_master_keys ➡️ struct fscrypt_keyring *s_master_keys
• Changed between 6.2 and 6.5 ⚠️

  • Field removed. fmode_t s_mode
• Changed between 6.5 and 6.8 ⚠️

  • Field added. struct bdev_handle *s_bdev_handle
  • Field type changed. const struct xattr_handler **s_xattr ➡️ const const struct xattr_handler * *s_xattr
  • Field type changed. struct shrinker s_shrink ➡️ struct shrinker *s_shrink

Arch

• No changes between amd64 and arm64 ✅
• Changed between amd64 and armhf ⚠️

  • Field type changed. struct mtd_info *s_mtd ➡️ struct mtd_info *s_mtd
• 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 ✅