OBD_CONNECT_TRUNCLOCK | OBD_CONNECT_INDEX | \
OBD_CONNECT_BRW_SIZE | OBD_CONNECT_QUOTA64 | \
OBD_CONNECT_OSS_CAPA | OBD_CONNECT_CANCELSET | \
- OBD_CONNECT_FID | \
+ OBD_CONNECT_FID | OBD_CONNECT_CKSUM | \
LRU_RESIZE_CONNECT_FLAG)
#define ECHO_CONNECT_SUPPORTED (0)
#define MGS_CONNECT_SUPPORTED (OBD_CONNECT_VERSION | OBD_CONNECT_FID)
__u32 ocd_nllg; /* non-local-lustre-group */
__u64 ocd_transno; /* first transno from client to be replayed */
__u32 ocd_group; /* MDS group on OST */
- __u32 padding1; /* also fix lustre_swab_connect */
+ __u32 ocd_cksum_types; /* supported checksum algorithms */
+ __u64 padding1; /* also fix lustre_swab_connect */
__u64 padding2; /* also fix lustre_swab_connect */
- __u64 padding3; /* also fix lustre_swab_connect */
};
extern void lustre_swab_connect(struct obd_connect_data *ocd);
/*
+ * Supported checksum algorithms. Up to 32 checksum types are supported.
+ * (32-bit mask stored in obd_connect_data::ocd_cksum_types)
+ * Please update DECLARE_CKSUM_NAME/OBD_CKSUM_ALL in obd.h when adding a new
+ * algorithm and also the OBD_FL_CKSUM* flags.
+ */
+typedef enum {
+ OBD_CKSUM_CRC32 = 0x00000001,
+ OBD_CKSUM_ADLER = 0x00000002,
+} cksum_type_t;
+
+/*
* OST requests: OBDO & OBD request records
*/
#define OBD_FL_TRUNCLOCK (0x00000800)
/*
+ * Checksum types
+ */
+#define OBD_FL_CKSUM_CRC32 (0x00001000)
+#define OBD_FL_CKSUM_ADLER (0x00002000)
+#define OBD_FL_CKSUM_ALL (OBD_FL_CKSUM_CRC32 | OBD_FL_CKSUM_ADLER)
+
+/*
* This should not be smaller than sizeof(struct lustre_handle) + sizeof(struct
* llog_cookie) + sizeof(struct ll_fid). Nevertheless struct ll_fid is not
* longer stored in o_inline, we keep this just for case.