struct buffer_head 5.10 未预留,有变更,OLK6.6对齐预留 3 个
struct renamedata 5.10 不存在,6.6 预留 2 个
struct file_operations 5.10 预留 4 个,变更频繁,OLK6.6 对齐预留 7 个
struct inode_operations 5.10 预留 12 个,变更频繁,OLK6.6 对齐预留 8 个
struct super_operations 5.10 预留 4 个,OLK6.6 对齐预留 6 个
struct file_system_type 5.10 预留 4 个,OLK6.6 继续预留 4 个
struct fs_context 5.10 未预留,有变更,6.6 预留 2 个
struct fs_context_operations 5.10 未预留,6.6 预留 2 个
struct fs_parameter_spec 5.10 未预留,6.6 预留 2 个
structure size reserves reserved
buffer_head 104 3 128
renamedata 64 2 80
file_operations 264 7 320
inode_operations 256 8 320
super_operations 208 6 256
file_system_type 72 4 104
fs_context 152 2 168
fs_context_operations 48 2 64
fs_parameter_spec 32 2 48