disable kernel build waring

hc

2024-05-10 093a6c67005148ae32a5c9e4553491b9f5c2457b

 kernel/include/linux/f2fs_fs.h
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@@ -34,6 +34,7 @@
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 #define F2FS_ROOT_INO(sbi)	((sbi)->root_ino_num)
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 #define F2FS_NODE_INO(sbi)	((sbi)->node_ino_num)
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 #define F2FS_META_INO(sbi)	((sbi)->meta_ino_num)
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+#define F2FS_COMPRESS_INO(sbi)	(NM_I(sbi)->max_nid)
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 #define F2FS_MAX_QUOTAS		3
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@@ -71,6 +72,20 @@
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 	__u8 path[MAX_PATH_LEN];
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 	__le32 total_segments;
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 } __packed;
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+
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+/* reason of stop_checkpoint */
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+enum stop_cp_reason {
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+	STOP_CP_REASON_SHUTDOWN,
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+	STOP_CP_REASON_FAULT_INJECT,
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+	STOP_CP_REASON_META_PAGE,
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+	STOP_CP_REASON_WRITE_FAIL,
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+	STOP_CP_REASON_CORRUPTED_SUMMARY,
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+	STOP_CP_REASON_UPDATE_INODE,
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+	STOP_CP_REASON_FLUSH_FAIL,
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+	STOP_CP_REASON_MAX,
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+};
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+
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+#define	MAX_STOP_REASON			32
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 struct f2fs_super_block {
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 	__le32 magic;			/* Magic Number */
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@@ -115,7 +130,8 @@
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 	__u8 hot_ext_count;		/* # of hot file extension */
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 	__le16  s_encoding;		/* Filename charset encoding */
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 	__le16  s_encoding_flags;	/* Filename charset encoding flags */
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-	__u8 reserved[306];		/* valid reserved region */
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+	__u8 s_stop_reason[MAX_STOP_REASON];	/* stop checkpoint reason */
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+	__u8 reserved[274];		/* valid reserved region */
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 	__le32 crc;			/* checksum of superblock */
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 } __packed;
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@@ -168,7 +184,7 @@
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 	unsigned char alloc_type[MAX_ACTIVE_LOGS];
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 	/* SIT and NAT version bitmap */
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-	unsigned char sit_nat_version_bitmap[1];
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+	unsigned char sit_nat_version_bitmap[];
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 } __packed;
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 #define CP_CHKSUM_OFFSET	4092	/* default chksum offset in checkpoint */
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@@ -229,6 +245,7 @@
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 #define F2FS_INLINE_DOTS	0x10	/* file having implicit dot dentries */
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 #define F2FS_EXTRA_ATTR		0x20	/* file having extra attribute */
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 #define F2FS_PIN_FILE		0x40	/* file should not be gced */
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+#define F2FS_COMPRESS_RELEASED	0x80	/* file released compressed blocks */
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 struct f2fs_inode {
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 	__le16 i_mode;			/* file mode */
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@@ -273,7 +290,10 @@
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 			__le64 i_compr_blocks;	/* # of compressed blocks */
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 			__u8 i_compress_algorithm;	/* compress algorithm */
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 			__u8 i_log_cluster_size;	/* log of cluster size */
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-			__le16 i_padding;		/* padding */
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+			__le16 i_compress_flag;		/* compress flag */
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+						/* 0 bit: chksum flag
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+						 * [10,15] bits: compress level
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+						 */
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 			__le32 i_extra_end[0];	/* for attribute size calculation */
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 		} __packed;
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 		__le32 i_addr[DEF_ADDRS_PER_INODE];	/* Pointers to data blocks */