*
* Lustre wire protocol definitions.
*
- * We assume all nodes are either little-endian or big-endian, and we
- * always send messages in the sender's native format. The receiver
- * detects the message format by checking the 'magic' field of the message
- * (see lustre_msg_swabbed() below).
* ALL structs passing over the wire should be declared here. Structs
* that are used in interfaces with userspace should go in lustre_user.h.
*
* in the code to ensure that new/old clients that see this larger struct
* do not fail, otherwise you need to implement protocol compatibility).
*
+ * We assume all nodes are either little-endian or big-endian, and we
+ * always send messages in the sender's native format. The receiver
+ * detects the message format by checking the 'magic' field of the message
+ * (see lustre_msg_swabbed() below).
+ *
* Each wire type has corresponding 'lustre_swab_xxxtypexxx()' routines,
* implemented either here, inline (trivial implementations) or in
* ptlrpc/pack_generic.c. These 'swabbers' convert the type from "other"
* @{ */
/**
- * File identifier.
- *
- * Fid is a cluster-wide unique identifier of a file or an object
- * (stripe). Fids are never reused. Fids are transmitted across network (in
- * the sender byte-ordering), and stored on disk in a packed form (struct
- * lu_fid_pack) in a big-endian order.
+ * Flags for lustre_mdt_attrs::lma_compat and lustre_mdt_attrs::lma_incompat.
*/
-struct lu_fid {
- /**
- * fid sequence. Sequence is a unit of migration: all files (objects)
- * with fids from a given sequence are stored on the same
- * server.
- *
- * Lustre should support 2 ^ 64 objects, thus even if one
- * sequence has one object we will never reach this value.
- */
- __u64 f_seq;
- /** fid number within sequence. */
- __u32 f_oid;
- /**
- * fid version, used to distinguish different versions (in the sense
- * of snapshots, etc.) of the same file system object. Not currently
- * used.
- */
- __u32 f_ver;
+enum lma_compat {
+ LMAC_HSM = 0x00000001,
+ LMAC_SOM = 0x00000002,
};
/**
+ * Masks for all features that should be supported by a Lustre version to
+ * access a specific file.
+ * This information is stored in lustre_mdt_attrs::lma_incompat.
+ *
+ * NOTE: No incompat feature should be added before bug #17670 is landed.
+ */
+#define LMA_INCOMPAT_SUPP 0x0
+
+/**
* Following struct for MDT attributes, that will be kept inode's EA.
* Introduced in 2.0 release (please see b15993, for details)
*/
struct lustre_mdt_attrs {
+ /**
+ * Bitfield for supported data in this structure. From enum lma_compat.
+ * lma_self_fid and lma_flags are always available.
+ */
+ __u32 lma_compat;
+ /**
+ * Per-file incompat feature list. Lustre version should support all
+ * flags set in this field. The supported feature mask is available in
+ * LMA_INCOMPAT_SUPP.
+ */
+ __u32 lma_incompat;
/** FID of this inode */
struct lu_fid lma_self_fid;
/** SOM state, mdt/ost type, others */
__u64 lma_som_sectors;
};
-
/**
* fid constants
*/
return fid_oid(fid);
}
-#define DFID "["LPX64":0x%x:0x%x]"
-
-#define PFID(fid) \
- fid_seq(fid), \
- fid_oid(fid), \
- fid_ver(fid)
-
+/*
+ * Fids are transmitted across network (in the sender byte-ordering),
+ * and stored on disk in big-endian order.
+ */
static inline void fid_cpu_to_le(struct lu_fid *dst, const struct lu_fid *src)
{
/* check that all fields are converted */
/** \defgroup lu_dir lu_dir
* @{ */
+
+/**
+ * Enumeration of possible directory entry attributes.
+ *
+ * Attributes follow directory entry header in the order they appear in this
+ * enumeration.
+ */
+enum lu_dirent_attrs {
+ LUDA_FID = 0x0001,
+ LUDA_TYPE = 0x0002,
+};
+
/**
* Layout of readdir pages, as transmitted on wire.
*/
struct lu_dirent {
+ /** valid if LUDA_FID is set. */
struct lu_fid lde_fid;
+ /** a unique entry identifier: a hash or an offset. */
__u64 lde_hash;
+ /** total record length, including all attributes. */
__u16 lde_reclen;
+ /** name length */
__u16 lde_namelen;
- __u32 lde_pad0;
+ /** optional variable size attributes following this entry.
+ * taken from enum lu_dirent_attrs.
+ */
+ __u32 lde_attrs;
+ /** name is followed by the attributes indicated in ->ldp_attrs, in
+ * their natural order. After the last attribute, padding bytes are
+ * added to make ->lde_reclen a multiple of 8.
+ */
char lde_name[0];
};
+/*
+ * Definitions of optional directory entry attributes formats.
+ *
+ * Individual attributes do not have their length encoded in a generic way. It
+ * is assumed that consumer of an attribute knows its format. This means that
+ * it is impossible to skip over an unknown attribute, except by skipping over all
+ * remaining attributes (by using ->lde_reclen), which is not too
+ * constraining, because new server versions will append new attributes at
+ * the end of an entry.
+ */
+
+/**
+ * Fid directory attribute: a fid of an object referenced by the entry. This
+ * will be almost always requested by the client and supplied by the server.
+ *
+ * Aligned to 8 bytes.
+ */
+/* To have compatibility with 1.8, lets have fid in lu_dirent struct. */
+
+/**
+ * File type.
+ *
+ * Aligned to 2 bytes.
+ */
+struct luda_type {
+ __u16 lt_type;
+};
+
struct lu_dirpage {
__u64 ldp_hash_start;
__u64 ldp_hash_end;
return next;
}
+static inline int lu_dirent_calc_size(int namelen, __u16 attr)
+{
+ int size;
+
+ if (attr & LUDA_TYPE) {
+ const unsigned align = sizeof(struct luda_type) - 1;
+ size = (sizeof(struct lu_dirent) + namelen + align) & ~align;
+ size += sizeof(struct luda_type);
+ } else
+ size = sizeof(struct lu_dirent) + namelen;
+
+ return (size + 7) & ~7;
+}
+
static inline int lu_dirent_size(struct lu_dirent *ent)
{
if (le16_to_cpu(ent->lde_reclen) == 0) {
- return (sizeof(*ent) +
- le16_to_cpu(ent->lde_namelen) + 7) & ~7;
+ return lu_dirent_calc_size(le16_to_cpu(ent->lde_namelen),
+ le32_to_cpu(ent->lde_attrs));
}
return le16_to_cpu(ent->lde_reclen);
}
* Flags for all connect opcodes (MDS_CONNECT, OST_CONNECT)
*/
-#define MSG_CONNECT_RECOVERING 0x1
-#define MSG_CONNECT_RECONNECT 0x2
-#define MSG_CONNECT_REPLAYABLE 0x4
+#define MSG_CONNECT_RECOVERING 0x00000001
+#define MSG_CONNECT_RECONNECT 0x00000002
+#define MSG_CONNECT_REPLAYABLE 0x00000004
//#define MSG_CONNECT_PEER 0x8
-#define MSG_CONNECT_LIBCLIENT 0x10
-#define MSG_CONNECT_INITIAL 0x20
-#define MSG_CONNECT_ASYNC 0x40
-#define MSG_CONNECT_NEXT_VER 0x80 /* use next version of lustre_msg */
-#define MSG_CONNECT_TRANSNO 0x100 /* report transno */
+#define MSG_CONNECT_LIBCLIENT 0x00000010
+#define MSG_CONNECT_INITIAL 0x00000020
+#define MSG_CONNECT_ASYNC 0x00000040
+#define MSG_CONNECT_NEXT_VER 0x00000080 /* use next version of lustre_msg */
+#define MSG_CONNECT_TRANSNO 0x00000100 /* report transno */
/* Connect flags */
-#define OBD_CONNECT_RDONLY 0x00000001ULL /* client allowed read-only access */
-#define OBD_CONNECT_INDEX 0x00000002ULL /* connect to specific LOV idx */
-#define OBD_CONNECT_GRANT 0x00000008ULL /* OSC acquires grant at connect */
-#define OBD_CONNECT_SRVLOCK 0x00000010ULL /* server takes locks for client */
-#define OBD_CONNECT_VERSION 0x00000020ULL /* Server supports versions in ocd */
-#define OBD_CONNECT_REQPORTAL 0x00000040ULL /* Separate portal for non-IO reqs */
-#define OBD_CONNECT_ACL 0x00000080ULL /* client uses access control lists */
-#define OBD_CONNECT_XATTR 0x00000100ULL /* client using extended attributes*/
-#define OBD_CONNECT_TRUNCLOCK 0x00000400ULL /* locks on server for punch b=9528 */
-#define OBD_CONNECT_IBITS 0x00001000ULL /* support for inodebits locks */
-#define OBD_CONNECT_JOIN 0x00002000ULL /* files can be concatenated */
-#define OBD_CONNECT_ATTRFID 0x00004000ULL /* Server supports GetAttr By Fid */
-#define OBD_CONNECT_NODEVOH 0x00008000ULL /* No open handle for special nodes */
-#define OBD_CONNECT_RMT_CLIENT 0x00010000ULL /* Remote client */
-#define OBD_CONNECT_RMT_CLIENT_FORCE 0x00020000ULL /* Remote client by force */
-#define OBD_CONNECT_BRW_SIZE 0x00040000ULL /* Max bytes per rpc */
-#define OBD_CONNECT_QUOTA64 0x00080000ULL /* 64bit qunit_data.qd_count b=10707*/
-#define OBD_CONNECT_MDS_CAPA 0x00100000ULL /* MDS capability */
-#define OBD_CONNECT_OSS_CAPA 0x00200000ULL /* OSS capability */
-#define OBD_CONNECT_CANCELSET 0x00400000ULL /* Early batched cancels. */
-#define OBD_CONNECT_SOM 0x00800000ULL /* SOM feature */
-#define OBD_CONNECT_AT 0x01000000ULL /* client uses adaptive timeouts */
-#define OBD_CONNECT_LRU_RESIZE 0x02000000ULL /* Lru resize feature. */
-#define OBD_CONNECT_MDS_MDS 0x04000000ULL /* MDS-MDS connection*/
-#define OBD_CONNECT_REAL 0x08000000ULL /* real connection */
-#define OBD_CONNECT_CHANGE_QS 0x10000000ULL /* shrink/enlarge qunit b=10600 */
-#define OBD_CONNECT_CKSUM 0x20000000ULL /* support several cksum algos */
-#define OBD_CONNECT_FID 0x40000000ULL /* FID is supported by server */
-#define OBD_CONNECT_LOV_V3 0x100000000ULL /* client supports lov v3 ea */
-
+#define OBD_CONNECT_RDONLY 0x1ULL /*client has read-only access*/
+#define OBD_CONNECT_INDEX 0x2ULL /*connect specific LOV idx */
+#define OBD_CONNECT_MDS 0x4ULL /*connect from MDT to OST */
+#define OBD_CONNECT_GRANT 0x8ULL /*OSC gets grant at connect */
+#define OBD_CONNECT_SRVLOCK 0x10ULL /*server takes locks for cli */
+#define OBD_CONNECT_VERSION 0x20ULL /*Lustre versions in ocd */
+#define OBD_CONNECT_REQPORTAL 0x40ULL /*Separate non-IO req portal */
+#define OBD_CONNECT_ACL 0x80ULL /*access control lists */
+#define OBD_CONNECT_XATTR 0x100ULL /*client use extended attr */
+#define OBD_CONNECT_CROW 0x200ULL /*MDS+OST create obj on write*/
+#define OBD_CONNECT_TRUNCLOCK 0x400ULL /*locks on server for punch */
+#define OBD_CONNECT_TRANSNO 0x800ULL /*replay sends init transno */
+#define OBD_CONNECT_IBITS 0x1000ULL /*support for inodebits locks*/
+#define OBD_CONNECT_JOIN 0x2000ULL /*files can be concatenated */
+#define OBD_CONNECT_ATTRFID 0x4000ULL /*Server can GetAttr By Fid*/
+#define OBD_CONNECT_NODEVOH 0x8000ULL /*No open hndl on specl nodes*/
+#define OBD_CONNECT_RMT_CLIENT 0x10000ULL /*Remote client */
+#define OBD_CONNECT_RMT_CLIENT_FORCE 0x20000ULL /*Remote client by force */
+#define OBD_CONNECT_BRW_SIZE 0x40000ULL /*Max bytes per rpc */
+#define OBD_CONNECT_QUOTA64 0x80000ULL /*64bit qunit_data.qd_count */
+#define OBD_CONNECT_MDS_CAPA 0x100000ULL /*MDS capability */
+#define OBD_CONNECT_OSS_CAPA 0x200000ULL /*OSS capability */
+#define OBD_CONNECT_CANCELSET 0x400000ULL /*Early batched cancels. */
+#define OBD_CONNECT_SOM 0x800000ULL /*Size on MDS */
+#define OBD_CONNECT_AT 0x1000000ULL /*client uses AT */
+#define OBD_CONNECT_LRU_RESIZE 0x2000000ULL /*LRU resize feature. */
+#define OBD_CONNECT_MDS_MDS 0x4000000ULL /*MDS-MDS connection */
+#define OBD_CONNECT_REAL 0x8000000ULL /*real connection */
+#define OBD_CONNECT_CHANGE_QS 0x10000000ULL /*shrink/enlarge qunit */
+#define OBD_CONNECT_CKSUM 0x20000000ULL /*support several cksum algos*/
+#define OBD_CONNECT_FID 0x40000000ULL /*FID is supported by server */
+#define OBD_CONNECT_VBR 0x80000000ULL /*version based recovery */
+#define OBD_CONNECT_LOV_V3 0x100000000ULL /*client supports LOV v3 EA */
+#define OBD_CONNECT_GRANT_SHRINK 0x200000000ULL /* support grant shrink */
+#define OBD_CONNECT_SKIP_ORPHAN 0x400000000ULL /* don't reuse orphan objids */
/* also update obd_connect_names[] for lprocfs_rd_connect_flags()
* and lustre/utils/wirecheck.c */
OBD_CONNECT_ACL | OBD_CONNECT_XATTR | \
OBD_CONNECT_IBITS | OBD_CONNECT_JOIN | \
OBD_CONNECT_NODEVOH |/* OBD_CONNECT_ATTRFID |*/\
+ OBD_CONNECT_CANCELSET | OBD_CONNECT_AT | \
OBD_CONNECT_RMT_CLIENT | \
OBD_CONNECT_RMT_CLIENT_FORCE | \
OBD_CONNECT_MDS_CAPA | OBD_CONNECT_OSS_CAPA | \
- OBD_CONNECT_MDS_MDS | OBD_CONNECT_CANCELSET | \
- OBD_CONNECT_FID | \
- LRU_RESIZE_CONNECT_FLAG | OBD_CONNECT_AT | \
- OBD_CONNECT_LOV_V3)
+ OBD_CONNECT_MDS_MDS | OBD_CONNECT_FID | \
+ LRU_RESIZE_CONNECT_FLAG | OBD_CONNECT_VBR | \
+ OBD_CONNECT_LOV_V3 | OBD_CONNECT_SOM)
#define OST_CONNECT_SUPPORTED (OBD_CONNECT_SRVLOCK | OBD_CONNECT_GRANT | \
OBD_CONNECT_REQPORTAL | OBD_CONNECT_VERSION | \
OBD_CONNECT_TRUNCLOCK | OBD_CONNECT_INDEX | \
OBD_CONNECT_BRW_SIZE | OBD_CONNECT_QUOTA64 | \
- OBD_CONNECT_OSS_CAPA | OBD_CONNECT_CANCELSET | \
- OBD_CONNECT_CKSUM | LRU_RESIZE_CONNECT_FLAG | \
- OBD_CONNECT_AT | OBD_CONNECT_CHANGE_QS | \
- OBD_CONNECT_RMT_CLIENT | \
- OBD_CONNECT_RMT_CLIENT_FORCE)
+ OBD_CONNECT_CANCELSET | OBD_CONNECT_AT | \
+ LRU_RESIZE_CONNECT_FLAG | OBD_CONNECT_CKSUM | \
+ OBD_CONNECT_CHANGE_QS | \
+ OBD_CONNECT_OSS_CAPA | OBD_CONNECT_RMT_CLIENT | \
+ OBD_CONNECT_RMT_CLIENT_FORCE | OBD_CONNECT_VBR | \
+ OBD_CONNECT_MDS | OBD_CONNECT_SKIP_ORPHAN | \
+ OBD_CONNECT_GRANT_SHRINK)
#define ECHO_CONNECT_SUPPORTED (0)
#define MGS_CONNECT_SUPPORTED (OBD_CONNECT_VERSION | OBD_CONNECT_AT)
-#define MAX_QUOTA_COUNT32 (0xffffffffULL)
-
#define OBD_OCD_VERSION(major,minor,patch,fix) (((major)<<24) + ((minor)<<16) +\
((patch)<<8) + (fix))
#define OBD_OCD_VERSION_MAJOR(version) ((int)((version)>>24)&255)
typedef __u64 obd_size;
typedef __u64 obd_off;
typedef __u64 obd_blocks;
+typedef __u64 obd_valid;
typedef __u32 obd_blksize;
typedef __u32 obd_mode;
typedef __u32 obd_uid;
typedef __u32 obd_gid;
typedef __u32 obd_flag;
-typedef __u64 obd_valid;
typedef __u32 obd_count;
-#define OBD_FL_INLINEDATA (0x00000001)
-#define OBD_FL_OBDMDEXISTS (0x00000002)
-#define OBD_FL_DELORPHAN (0x00000004) /* if set in o_flags delete orphans */
-#define OBD_FL_NORPC (0x00000008) /* set in o_flags do in OSC not OST */
-#define OBD_FL_IDONLY (0x00000010) /* set in o_flags only adjust obj id*/
-#define OBD_FL_RECREATE_OBJS (0x00000020) /* recreate missing obj */
-#define OBD_FL_DEBUG_CHECK (0x00000040) /* echo client/server debug check */
-#define OBD_FL_NO_USRQUOTA (0x00000100) /* the object's owner is over quota */
-#define OBD_FL_NO_GRPQUOTA (0x00000200) /* the object's group is over quota */
-
-/**
- * Set this to delegate DLM locking during obd_punch() to the OSTs. Only OSTs
- * that declared OBD_CONNECT_TRUNCLOCK in their connect flags support this
- * functionality.
- */
-#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)
+enum obdo_flags {
+ OBD_FL_INLINEDATA = 0x00000001,
+ OBD_FL_OBDMDEXISTS = 0x00000002,
+ OBD_FL_DELORPHAN = 0x00000004, /* if set in o_flags delete orphans */
+ OBD_FL_NORPC = 0x00000008, /* set in o_flags do in OSC not OST */
+ OBD_FL_IDONLY = 0x00000010, /* set in o_flags only adjust obj id*/
+ OBD_FL_RECREATE_OBJS= 0x00000020, /* recreate missing obj */
+ OBD_FL_DEBUG_CHECK = 0x00000040, /* echo client/server debug check */
+ OBD_FL_NO_USRQUOTA = 0x00000100, /* the object's owner is over quota */
+ OBD_FL_NO_GRPQUOTA = 0x00000200, /* the object's group is over quota */
+ OBD_FL_CREATE_CROW = 0x00000400, /* object should be create on write */
+ OBD_FL_TRUNCLOCK = 0x00000800, /* delegate DLM locking during punch*/
+ OBD_FL_CKSUM_CRC32 = 0x00001000, /* CRC32 checksum type */
+ OBD_FL_CKSUM_ADLER = 0x00002000, /* ADLER checksum type */
+ OBD_FL_CKSUM_RSVD1 = 0x00004000, /* for future cksum types */
+ OBD_FL_CKSUM_RSVD2 = 0x00008000, /* for future cksum types */
+ OBD_FL_CKSUM_RSVD3 = 0x00010000, /* for future cksum types */
+ OBD_FL_SHRINK_GRANT = 0x00020000, /* object shrink the grant */
+
+ OBD_FL_CKSUM_ALL = OBD_FL_CKSUM_CRC32 | OBD_FL_CKSUM_ADLER,
+
+ /* mask for local-only flag, which won't be sent over network */
+ OBD_FL_LOCAL_MASK = 0xF0000000,
+ /* temporary OBDO used by osc_brw_async (see bug 18364) */
+ OBD_FL_TEMPORARY = 0x10000000,
+};
#define LOV_MAGIC_V1 0x0BD10BD0
#define LOV_MAGIC LOV_MAGIC_V1
#define XATTR_NAME_ACL_ACCESS "system.posix_acl_access"
#define XATTR_NAME_ACL_DEFAULT "system.posix_acl_default"
+#define XATTR_USER_PREFIX "user."
+#define XATTR_TRUSTED_PREFIX "trusted."
+#define XATTR_SECURITY_PREFIX "security."
+#define XATTR_LUSTRE_PREFIX "lustre."
+
#define XATTR_NAME_LOV "trusted.lov"
+#define XATTR_NAME_LMA "trusted.lma"
+#define XATTR_NAME_LMV "trusted.lmv"
+#define XATTR_NAME_LINK "trusted.link"
+
struct lov_mds_md_v3 { /* LOV EA mds/wire data (little-endian) */
__u32 lmm_magic; /* magic number = LOV_MAGIC_V3 */
#define OBD_MD_FLHANDLE (0x00080000ULL) /* file/lock handle */
#define OBD_MD_FLCKSUM (0x00100000ULL) /* bulk data checksum */
#define OBD_MD_FLQOS (0x00200000ULL) /* quality of service stats */
-#define OBD_MD_FLOSCOPQ (0x00400000ULL) /* osc opaque data */
+/*#define OBD_MD_FLOSCOPQ (0x00400000ULL) osc opaque data, never used */
#define OBD_MD_FLCOOKIE (0x00800000ULL) /* log cancellation cookie */
#define OBD_MD_FLGROUP (0x01000000ULL) /* group */
#define OBD_MD_FLFID (0x02000000ULL) /* ->ost write inline fid */
/* don't forget obdo_fid which is way down at the bottom so it can
* come after the definition of llog_cookie */
+enum obd_statfs_state {
+ OS_STATE_DEGRADED = 0x00000001, /**< RAID degraded/rebuilding */
+ OS_STATE_READONLY = 0x00000002, /**< filesystem is read-only */
+ OS_STATE_RDONLY_1 = 0x00000004, /**< obsolete 1.6, was EROFS=30 */
+ OS_STATE_RDONLY_2 = 0x00000008, /**< obsolete 1.6, was EROFS=30 */
+ OS_STATE_RDONLY_3 = 0x00000010, /**< obsolete 1.6, was EROFS=30 */
+};
+
struct obd_statfs {
__u64 os_type;
__u64 os_blocks;
__u32 os_bsize;
__u32 os_namelen;
__u64 os_maxbytes;
- __u32 os_state; /* positive error code on server */
+ __u32 os_state; /**< obd_statfs_state OS_STATE_* flag */
__u32 os_spare1;
__u32 os_spare2;
__u32 os_spare3;
extern void lustre_swab_obd_statfs (struct obd_statfs *os);
#define OBD_STATFS_NODELAY 0x0001 /* requests should be send without delay
* and resends for avoid deadlocks */
-
#define OBD_STATFS_FROM_CACHE 0x0002 /* the statfs callback should not update
* obd_osfs_age */
+#define OBD_STATFS_PTLRPCD 0x0004 /* requests will be sent via ptlrpcd
+ * instead of a specific set. This
+ * means that we cannot rely on the set
+ * interpret routine to be called.
+ * lov_statfs_fini() must thus be called
+ * by the request interpret routine */
/* ost_body.data values for OST_BRW */
#define OBD_BRW_READ 0x01
#define OBD_BRW_WRITE 0x02
#define OBD_BRW_RWMASK (OBD_BRW_READ | OBD_BRW_WRITE)
-#define OBD_BRW_SYNC 0x08
+#define OBD_BRW_SYNC 0x08 /* this page is a part of synchronous
+ * transfer and is not accounted in
+ * the grant. */
#define OBD_BRW_CHECK 0x10
#define OBD_BRW_FROM_GRANT 0x20 /* the osc manages this under llite */
#define OBD_BRW_GRANTED 0x40 /* the ost manages this */
#define OBD_BRW_NOCACHE 0x80 /* this page is a part of non-cached IO */
#define OBD_BRW_NOQUOTA 0x100
#define OBD_BRW_SRVLOCK 0x200 /* Client holds no lock over this page */
+#define OBD_BRW_MEMALLOC 0x800 /* Client runs in the "kswapd" context */
#define OBD_OBJECT_EOF 0xffffffffffffffffULL
MDS_SETXATTR = 50, /* obsolete, now it's MDS_REINT op */
MDS_WRITEPAGE = 51,
MDS_IS_SUBDIR = 52,
+ MDS_GET_INFO = 53,
MDS_LAST_OPC
} mds_cmd_t;
}
#endif
-struct mdt_body {
- struct lu_fid fid1;
- struct lu_fid fid2;
+/*
+ * while mds_body is to interact with 1.6, mdt_body is to interact with 2.0.
+ * both of them should have the same fields layout, because at client side
+ * one could be dynamically cast to the other.
+ *
+ * mdt_body has large size than mds_body, with unused padding (48 bytes)
+ * at the end. client always use size of mdt_body to prepare request/reply
+ * buffers, and actual data could be interepeted as mdt_body or mds_body
+ * accordingly.
+ */
+struct mds_body {
+ struct ll_fid fid1;
+ struct ll_fid fid2;
struct lustre_handle handle;
__u64 valid;
__u64 size; /* Offset, in the case of MDS_READPAGE */
__u64 atime;
__u64 ctime;
__u64 blocks; /* XID, in the case of MDS_READPAGE */
- __u64 ioepoch;
- __u64 ino; /* for 1.6 compatibility */
+ __u64 io_epoch;
+ __u64 ino;
__u32 fsuid;
__u32 fsgid;
__u32 capability;
__u32 flags; /* from vfs for pin/unpin, MDS_BFLAG for close */
__u32 rdev;
__u32 nlink; /* #bytes to read in the case of MDS_READPAGE */
- __u32 generation; /* for 1.6 compatibility */
+ __u32 generation;
__u32 suppgid;
__u32 eadatasize;
__u32 aclsize;
__u32 max_mdsize;
__u32 max_cookiesize;
- __u32 padding_4; /* also fix lustre_swab_mdt_body */
- __u64 padding_5;
- __u64 padding_6;
- __u64 padding_7;
- __u64 padding_8;
- __u64 padding_9;
- __u64 padding_10;
+ __u32 padding_4; /* also fix lustre_swab_mds_body */
};
-struct mds_body {
- struct ll_fid fid1;
- struct ll_fid fid2;
+extern void lustre_swab_mds_body (struct mds_body *b);
+
+struct mdt_body {
+ struct lu_fid fid1;
+ struct lu_fid fid2;
struct lustre_handle handle;
__u64 valid;
__u64 size; /* Offset, in the case of MDS_READPAGE */
__u64 atime;
__u64 ctime;
__u64 blocks; /* XID, in the case of MDS_READPAGE */
- __u64 io_epoch;
- __u64 ino;
+ __u64 ioepoch;
+ __u64 ino; /* for 1.6 compatibility */
__u32 fsuid;
__u32 fsgid;
__u32 capability;
__u32 flags; /* from vfs for pin/unpin, MDS_BFLAG for close */
__u32 rdev;
__u32 nlink; /* #bytes to read in the case of MDS_READPAGE */
- __u32 generation;
+ __u32 generation; /* for 1.6 compatibility */
__u32 suppgid;
__u32 eadatasize;
__u32 aclsize;
__u32 max_mdsize;
__u32 max_cookiesize;
- __u32 padding_4; /* also fix lustre_swab_mds_body */
-};
+ __u32 padding_4; /* also fix lustre_swab_mdt_body */
+ __u64 padding_5;
+ __u64 padding_6;
+ __u64 padding_7;
+ __u64 padding_8;
+ __u64 padding_9;
+ __u64 padding_10;
+}; /* 216 */
-extern void lustre_swab_mds_body (struct mds_body *b);
extern void lustre_swab_mdt_body (struct mdt_body *b);
struct mdt_epoch {
};
extern void lustre_swab_quota_adjust_qunit(struct quota_adjust_qunit *q);
-/* flags in qunit_data and quota_adjust_qunit will use macroes below */
+/* flags is shared among quota structures */
#define LQUOTA_FLAGS_GRP 1UL /* 0 is user, 1 is group */
#define LQUOTA_FLAGS_BLK 2UL /* 0 is inode, 1 is block */
#define LQUOTA_FLAGS_ADJBLK 4UL /* adjust the block qunit size */
#define LQUOTA_FLAGS_CHG_QS 16UL /* indicate whether it has capability of
* OBD_CONNECT_CHANGE_QS */
-/* the status of lqsk_flags in struct lustre_qunit_size_key */
+/* flags is specific for quota_adjust_qunit */
+#define LQUOTA_QAQ_CEATE_LQS (1 << 31) /* when it is set, need create lqs */
+
+/* the status of lqs_flags in struct lustre_qunit_size */
#define LQUOTA_QUNIT_FLAGS (LQUOTA_FLAGS_GRP | LQUOTA_FLAGS_BLK)
#define QAQ_IS_GRP(qaq) ((qaq)->qaq_flags & LQUOTA_FLAGS_GRP)
#define QAQ_IS_ADJBLK(qaq) ((qaq)->qaq_flags & LQUOTA_FLAGS_ADJBLK)
#define QAQ_IS_ADJINO(qaq) ((qaq)->qaq_flags & LQUOTA_FLAGS_ADJINO)
+#define QAQ_IS_CREATE_LQS(qaq) ((qaq)->qaq_flags & LQUOTA_QAQ_CEATE_LQS)
#define QAQ_SET_GRP(qaq) ((qaq)->qaq_flags |= LQUOTA_FLAGS_GRP)
#define QAQ_SET_ADJBLK(qaq) ((qaq)->qaq_flags |= LQUOTA_FLAGS_ADJBLK)
#define QAQ_SET_ADJINO(qaq) ((qaq)->qaq_flags |= LQUOTA_FLAGS_ADJINO)
+#define QAQ_SET_CREATE_LQS(qaq) ((qaq)->qaq_flags |= LQUOTA_QAQ_CEATE_LQS)
/* inode access permission for remote user, the inode info are omitted,
* for client knows them. */
#define MAY_RGETFACL (1 << 14)
enum {
- MDS_CHECK_SPLIT = 1 << 0,
- MDS_CROSS_REF = 1 << 1,
- MDS_VTX_BYPASS = 1 << 2,
- MDS_PERM_BYPASS = 1 << 3,
- MDS_SOM = 1 << 4,
- MDS_QUOTA_IGNORE = 1 << 5
-};
-
-struct mds_rec_join {
- struct ll_fid jr_fid;
- __u64 jr_headsize;
+ MDS_CHECK_SPLIT = 1 << 0,
+ MDS_CROSS_REF = 1 << 1,
+ MDS_VTX_BYPASS = 1 << 2,
+ MDS_PERM_BYPASS = 1 << 3,
+ MDS_SOM = 1 << 4,
+ MDS_QUOTA_IGNORE = 1 << 5,
+ MDS_CLOSE_CLEANUP = 1 << 6
};
-extern void lustre_swab_mds_rec_join (struct mds_rec_join *jr);
-
-struct mdt_rec_join {
- struct lu_fid jr_fid;
- __u64 jr_headsize;
-};
-
-extern void lustre_swab_mdt_rec_join (struct mdt_rec_join *jr);
-
struct mds_rec_create {
__u32 cr_opcode;
__u32 cr_fsuid;
__u32 cr_suppgid2_h;
struct lu_fid cr_fid1;
struct lu_fid cr_fid2;
- struct lustre_handle cr_old_handle; /* u64 handle in case of open replay */
+ struct lustre_handle cr_old_handle; /* handle in case of open replay */
__u64 cr_time;
__u64 cr_rdev;
__u64 cr_ioepoch;
extern void lustre_swab_mdt_rec_create (struct mdt_rec_create *cr);
+struct mds_rec_join {
+ struct ll_fid jr_fid;
+ __u64 jr_headsize;
+};
+
+extern void lustre_swab_mds_rec_join (struct mds_rec_join *jr);
+
+struct mdt_rec_join {
+ struct lu_fid jr_fid;
+ __u64 jr_headsize;
+};
+
+extern void lustre_swab_mdt_rec_join (struct mdt_rec_join *jr);
+
struct mds_rec_link {
__u32 lk_opcode;
__u32 lk_fsuid;
struct lmv_desc {
__u32 ld_tgt_count; /* how many MDS's */
__u32 ld_active_tgt_count; /* how many active */
+ __u32 ld_default_stripe_count; /* how many objects are used */
+ __u32 ld_pattern; /* default MEA_MAGIC_* */
+ __u64 ld_default_hash_size;
+ __u64 ld_padding_1; /* also fix lustre_swab_lmv_desc */
+ __u32 ld_padding_2; /* also fix lustre_swab_lmv_desc */
+ __u32 ld_qos_maxage; /* in second */
+ __u32 ld_padding_3; /* also fix lustre_swab_lmv_desc */
+ __u32 ld_padding_4; /* also fix lustre_swab_lmv_desc */
struct obd_uuid ld_uuid;
};
extern void lustre_swab_lmv_desc (struct lmv_desc *ld);
+/* TODO: lmv_stripe_md should contain mds capabilities for all slave fids */
+struct lmv_stripe_md {
+ __u32 mea_magic;
+ __u32 mea_count;
+ __u32 mea_master;
+ __u32 mea_padding;
+ char mea_pool_name[LOV_MAXPOOLNAME];
+ struct lu_fid mea_ids[0];
+};
+
+extern void lustre_swab_lmv_stripe_md(struct lmv_stripe_md *mea);
+
+/* lmv structures */
+#define MEA_MAGIC_LAST_CHAR 0xb2221ca1
+#define MEA_MAGIC_ALL_CHARS 0xb222a11c
+#define MEA_MAGIC_HASH_SEGMENT 0xb222a11b
+
+#define MAX_HASH_SIZE_32 0x7fffffffUL
+#define MAX_HASH_SIZE 0x7fffffffffffffffULL
+#define MAX_HASH_HIGHEST_BIT 0x1000000000000000ULL
+
+struct md_fld {
+ seqno_t mf_seq;
+ mdsno_t mf_mds;
+};
+
+extern void lustre_swab_md_fld (struct md_fld *mf);
+
enum fld_rpc_opc {
- FLD_QUERY = 600,
+ FLD_QUERY = 900,
FLD_LAST_OPC,
FLD_FIRST_OPC = FLD_QUERY
};
* LOV data structures
*/
-#define LOV_MIN_STRIPE_SIZE 65536 /* maximum PAGE_SIZE (ia64), power of 2 */
+#define LOV_MIN_STRIPE_BITS 16 /* maximum PAGE_SIZE (ia64), power of 2 */
+#define LOV_MIN_STRIPE_SIZE (1<<LOV_MIN_STRIPE_BITS)
#define LOV_MAX_STRIPE_COUNT 160 /* until bug 4424 is fixed */
#define LOV_V1_INSANE_STRIPE_COUNT 65532 /* maximum stripe count bz13933 */
extern void lustre_swab_cfg_marker(struct cfg_marker *marker,
int swab, int size);
-
/*
* Opcodes for multiple servers.
*/
#define LLOG_OP_MASK 0xfff00000
typedef enum {
- LLOG_PAD_MAGIC = LLOG_OP_MAGIC | 0x00000,
- OST_SZ_REC = LLOG_OP_MAGIC | 0x00f00,
- OST_RAID1_REC = LLOG_OP_MAGIC | 0x01000,
- MDS_UNLINK_REC = LLOG_OP_MAGIC | 0x10000 | (MDS_REINT << 8) | REINT_UNLINK,
- MDS_SETATTR_REC = LLOG_OP_MAGIC | 0x10000 | (MDS_REINT << 8) | REINT_SETATTR,
- MDS_SETATTR64_REC= LLOG_OP_MAGIC | 0x90000 | (MDS_REINT << 8) | REINT_SETATTR,
- OBD_CFG_REC = LLOG_OP_MAGIC | 0x20000,
- PTL_CFG_REC = LLOG_OP_MAGIC | 0x30000, /* obsolete */
- LLOG_GEN_REC = LLOG_OP_MAGIC | 0x40000,
- LLOG_JOIN_REC = LLOG_OP_MAGIC | 0x50000,
- /** changelog record type */
- CHANGELOG_REC = LLOG_OP_MAGIC | 0x60000,
- LLOG_HDR_MAGIC = LLOG_OP_MAGIC | 0x45539,
- LLOG_LOGID_MAGIC = LLOG_OP_MAGIC | 0x4553b,
+ LLOG_PAD_MAGIC = LLOG_OP_MAGIC | 0x00000,
+ OST_SZ_REC = LLOG_OP_MAGIC | 0x00f00,
+ OST_RAID1_REC = LLOG_OP_MAGIC | 0x01000,
+ MDS_UNLINK_REC = LLOG_OP_MAGIC | 0x10000 | (MDS_REINT << 8) | REINT_UNLINK,
+ MDS_SETATTR_REC = LLOG_OP_MAGIC | 0x10000 | (MDS_REINT << 8) | REINT_SETATTR,
+ MDS_SETATTR64_REC = LLOG_OP_MAGIC | 0x90000 | (MDS_REINT << 8) | REINT_SETATTR,
+ OBD_CFG_REC = LLOG_OP_MAGIC | 0x20000,
+ PTL_CFG_REC = LLOG_OP_MAGIC | 0x30000, /* obsolete */
+ LLOG_GEN_REC = LLOG_OP_MAGIC | 0x40000,
+ LLOG_JOIN_REC = LLOG_OP_MAGIC | 0x50000,
+ CHANGELOG_REC = LLOG_OP_MAGIC | 0x60000,
+ CHANGELOG_USER_REC = LLOG_OP_MAGIC | 0x70000,
+ LLOG_HDR_MAGIC = LLOG_OP_MAGIC | 0x45539,
+ LLOG_LOGID_MAGIC = LLOG_OP_MAGIC | 0x4553b,
} llog_op_type;
/*
CL_LAST
};
+/** Changelog entry type names. Must be defined in the same order as the
+ * \a changelog_rec_type enum.
+ */
+#define DECLARE_CHANGELOG_NAMES static const char *changelog_str[] = \
+ {"MARK","CREAT","MKDIR","HLINK","SLINK","MKNOD","UNLNK","RMDIR", \
+ "RNMFM","RNMTO","OPEN","CLOSE","IOCTL","TRUNC","SATTR","XATTR"}
+
/** \a changelog_rec_type's that can't be masked */
-#define CL_MINMASK (1 << CL_MARK)
+#define CHANGELOG_MINMASK (1 << CL_MARK)
/** bits covering all \a changelog_rec_type's */
-#define CL_ALLMASK 0XFFFF
+#define CHANGELOG_ALLMASK 0XFFFF
/** default \a changelog_rec_type mask */
-#define CL_DEFMASK CL_ALLMASK
+#define CHANGELOG_DEFMASK CHANGELOG_ALLMASK
/* per-record flags */
#define CLF_VERSION 0x1000
#define CLF_FLAGMASK 0x0FFF
#define CLF_HSM 0x0001
+/* changelog llog name, needed by client replicators */
+#define CHANGELOG_CATALOG "changelog_catalog"
+
+struct changelog_setinfo {
+ __u64 cs_recno;
+ __u32 cs_id;
+} __attribute__((packed));
+
/** changelog record */
struct llog_changelog_rec {
struct llog_rec_hdr cr_hdr;
};
} __attribute__((packed));
+#define CHANGELOG_USER_PREFIX "cl"
+
+struct llog_changelog_user_rec {
+ struct llog_rec_hdr cur_hdr;
+ __u32 cur_id;
+ __u32 cur_padding;
+ __u64 cur_endrec;
+ struct llog_rec_tail cur_tail;
+} __attribute__((packed));
+
struct llog_gen {
__u64 mnt_cnt;
__u64 conn_cnt;
#define o_dropped o_misc
#define o_cksum o_nlink
+static inline void lustre_set_wire_obdo(struct obdo *wobdo, struct obdo *lobdo)
+{
+ memcpy(wobdo, lobdo, sizeof(*lobdo));
+ wobdo->o_flags &= ~OBD_FL_LOCAL_MASK;
+}
+
+static inline void lustre_get_wire_obdo(struct obdo *lobdo, struct obdo *wobdo)
+{
+ obd_flag local_flags = lobdo->o_flags & OBD_FL_LOCAL_MASK;
+
+ LASSERT(!(wobdo->o_flags & OBD_FL_LOCAL_MASK));
+
+ memcpy(lobdo, wobdo, sizeof(*lobdo));
+ lobdo->o_flags &= ~OBD_FL_LOCAL_MASK;
+ lobdo->o_flags |= local_flags;
+}
+
extern void lustre_swab_obdo (struct obdo *o);
/* request structure for OST's */
extern void lustre_swab_lov_user_md_objects(struct lov_user_ost_data *lod,
int stripe_count);
extern void lustre_swab_lov_user_md_join(struct lov_user_md_join *lumj);
+extern void lustre_swab_lov_mds_md(struct lov_mds_md *lmm);
/* llog_swab.c */
extern void lustre_swab_llogd_body (struct llogd_body *d);
#define QDATA_CLR_CHANGE_QS(qdata) ((qdata)->qd_flags &= ~LQUOTA_FLAGS_CHG_QS)
extern void lustre_swab_qdata(struct qunit_data *d);
-extern int quota_get_qdata(void*req, struct qunit_data *qdata,
- int is_req, int is_exp);
+extern struct qunit_data *quota_get_qdata(void*req, int is_req, int is_exp);
extern int quota_copy_qdata(void *request, struct qunit_data *qdata,
int is_req, int is_exp);
typedef enum {
- QUOTA_DQACQ = 901,
- QUOTA_DQREL = 902,
+ QUOTA_DQACQ = 601,
+ QUOTA_DQREL = 602,
QUOTA_LAST_OPC
} quota_cmd_t;
#define QUOTA_FIRST_OPC QUOTA_DQACQ
#define QUOTA_RET_NOQUOTA 1 /**< not support quota */
#define QUOTA_RET_NOLIMIT 2 /**< quota limit isn't set */
#define QUOTA_RET_ACQUOTA 4 /**< need to acquire extra quota */
-#define QUOTA_RET_INC_PENDING 8 /**< pending value is increased */
+
/* security opcodes */
typedef enum {
extern void lustre_swab_lustre_capa_key(struct lustre_capa_key *k);
/** The link ea holds 1 \a link_ea_entry for each hardlink */
-#define LINK_EA_MAGIC 0x01EA0000
+#define LINK_EA_MAGIC 0x11EAF1DFUL
struct link_ea_header {
__u32 leh_magic;
__u32 leh_reccount;
char lee_name[0];
};
+/** fid2path request/reply structure */
+struct getinfo_fid2path {
+ struct lu_fid gf_fid;
+ __u64 gf_recno;
+ __u32 gf_linkno;
+ __u32 gf_pathlen;
+ char gf_path[0];
+} __attribute__((packed));
+
+void lustre_swab_fid2path (struct getinfo_fid2path *gf);
+
+
#endif
/** @} lustreidl */