linux/ceph/ceph_fs.h

134 /* client <-> mds */
242  * mds states
252 #define CEPH_MDS_STATE_STARTING    -7  /* up, starting previously stopped mds */
272  *  - a few of these are internal to the mds
277 #define CEPH_LOCK_IVERSION    32    /* mds internal */
282 #define CEPH_LOCK_INEST       1024  /* mds internal */
498 	__le32 op;                     /* mds op code */
514 	__le32 op;                     /* mds op code */
528 	__le32 op;                     /* mds op code */
571 /* capability issue, for bundling with mds reply */
580 #define CEPH_CAP_FLAG_AUTH	(1 << 0)  /* cap is issued by auth mds */
583 /* inode record, for bundling with mds reply */
616 	__le32 auth;            /* auth mds, if this is a delegation point */
617 	__le32 ndist;           /* number of mds' this is replicated on */
756 	CEPH_CAP_OP_GRANT,         /* mds->client grant */
757 	CEPH_CAP_OP_REVOKE,        /* mds->client revoke */
758 	CEPH_CAP_OP_TRUNC,         /* mds->client trunc notify */
759 	CEPH_CAP_OP_EXPORT,        /* mds has exported the cap */
760 	CEPH_CAP_OP_IMPORT,        /* mds has imported the cap */
761 	CEPH_CAP_OP_UPDATE,        /* client->mds update */
762 	CEPH_CAP_OP_DROP,          /* client->mds drop cap bits */
763 	CEPH_CAP_OP_FLUSH,         /* client->mds cap writeback */
764 	CEPH_CAP_OP_FLUSH_ACK,     /* mds->client flushed */
765 	CEPH_CAP_OP_FLUSHSNAP,     /* client->mds flush snapped metadata */
766 	CEPH_CAP_OP_FLUSHSNAP_ACK, /* mds->client flushed snapped metadata */
767 	CEPH_CAP_OP_RELEASE,       /* client->mds release (clean) cap */
768 	CEPH_CAP_OP_RENEW,         /* client->mds renewal request */
813 	__le32 mds;
828 #define CEPH_MDS_LEASE_REVOKE           1  /*    mds  -> client */
829 #define CEPH_MDS_LEASE_RELEASE          2  /* client  -> mds    */
830 #define CEPH_MDS_LEASE_RENEW            3  /* client <-> mds    */
831 #define CEPH_MDS_LEASE_REVOKE_ACK       4  /* client  -> mds    */