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【OLK-6.6】block: kabi: KABI reservation for blk-cgroup
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#I9110C
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Li Nan
member
Opened this issue
2024-02-04 17:08
在blk-cgroup.h文件中,为涉及kabi变更影响的结构体进行预留 struct blkg_iostat_type blk iostat统计io类型数量,社区后续可能会拓展,预留一个enum值 struct blkg_iostat_set 5.10以来新增过3个结构体成员,关键数据结构体,需要预留。当前大小152,通过alloc申请,预留5个KABI字段对齐192 struct blkcg_gq 5.10以来发生过两次变更,关键数据结构体,需要预留。当前大小+内嵌的其他结构体预留为472,通过alloc申请,预留5个KABI字段对齐512 struct blkcg 关键数据结构体,需要预留。当前大小360,通过alloc申请,预留5个KABI字段按64对齐 struct blkg_policy_data 5.10以来发生过两次变更,变更可能性大,需要预留。当前大小16,内嵌在alloc申请的结构体中,预留2个KABI字段对齐32 struct blkcg_policy_data 5.10以来未发生过变更,但存在变更的可能,且变更后不容易修复,需要预留。当前大小16,内嵌在alloc申请的结构体中,预留2个KABI字段对齐32 struct blkcg_policy 5.10以来未发生过两次变更,变更可能性大,需要预留。static类,内存影响较小,预留4个KABI字段 宏定义 BLKCG_MAX_POLS 块层io控制策略数量,后续存在增加io控制策略的可能,预留2个
在blk-cgroup.h文件中,为涉及kabi变更影响的结构体进行预留 struct blkg_iostat_type blk iostat统计io类型数量,社区后续可能会拓展,预留一个enum值 struct blkg_iostat_set 5.10以来新增过3个结构体成员,关键数据结构体,需要预留。当前大小152,通过alloc申请,预留5个KABI字段对齐192 struct blkcg_gq 5.10以来发生过两次变更,关键数据结构体,需要预留。当前大小+内嵌的其他结构体预留为472,通过alloc申请,预留5个KABI字段对齐512 struct blkcg 关键数据结构体,需要预留。当前大小360,通过alloc申请,预留5个KABI字段按64对齐 struct blkg_policy_data 5.10以来发生过两次变更,变更可能性大,需要预留。当前大小16,内嵌在alloc申请的结构体中,预留2个KABI字段对齐32 struct blkcg_policy_data 5.10以来未发生过变更,但存在变更的可能,且变更后不容易修复,需要预留。当前大小16,内嵌在alloc申请的结构体中,预留2个KABI字段对齐32 struct blkcg_policy 5.10以来未发生过两次变更,变更可能性大,需要预留。static类,内存影响较小,预留4个KABI字段 宏定义 BLKCG_MAX_POLS 块层io控制策略数量,后续存在增加io控制策略的可能,预留2个
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