* in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see [sun.com URL with a
- * copy of GPLv2].
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* lustre/include/lustre/lustre_idl.h
*
* Lustre wire protocol definitions.
+ */
+
+/** \defgroup lustreidl lustreidl
*
+ * 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"
* For variable length types, a second 'lustre_swab_v_xxxtypexxx()' routine
* may be defined that swabs just the variable part, after the caller has
* verified that the message buffer is large enough.
+ *
+ * @{
*/
#ifndef _LUSTRE_IDL_H_
#include <libcfs/libcfs.h>
-#include <lustre/types.h>
-
/* Defn's shared with user-space. */
#include <lustre/lustre_user.h>
+#include <lustre/ll_fiemap.h>
/*
* GENERAL STUFF
#define LUSTRE_LOG_VERSION 0x00050000
#define LUSTRE_MGS_VERSION 0x00060000
-typedef __u64 mdsno_t;
+typedef __u32 mdsno_t;
typedef __u64 seqno_t;
-struct lu_range {
- __u64 lr_start;
- __u64 lr_end;
+/**
+ * Describes a range of sequence, lsr_start is included but lsr_end is
+ * not in the range.
+ * Same structure is used in fld module where lsr_mdt field holds mdt id
+ * of the home mdt.
+ */
+
+struct lu_seq_range {
+ __u64 lsr_start;
+ __u64 lsr_end;
+ __u32 lsr_mdt;
+ __u32 lsr_padding;
};
-static inline __u64 range_space(struct lu_range *r)
+/**
+ * returns width of given range \a r
+ */
+
+static inline __u64 range_space(const struct lu_seq_range *range)
{
- return r->lr_end - r->lr_start;
+ return range->lsr_end - range->lsr_start;
}
-static inline void range_zero(struct lu_range *r)
+/**
+ * initialize range to zero
+ */
+
+static inline void range_init(struct lu_seq_range *range)
{
- r->lr_start = r->lr_end = 0;
+ range->lsr_start = range->lsr_end = range->lsr_mdt = 0;
}
-static inline int range_within(struct lu_range *r,
+/**
+ * check if given seq id \a s is within given range \a r
+ */
+
+static inline int range_within(const struct lu_seq_range *range,
__u64 s)
{
- return s >= r->lr_start && s < r->lr_end;
+ return s >= range->lsr_start && s < range->lsr_end;
}
-static inline void range_alloc(struct lu_range *r,
- struct lu_range *s,
- __u64 w)
+/**
+ * allocate \a w units of sequence from range \a from.
+ */
+static inline void range_alloc(struct lu_seq_range *to,
+ struct lu_seq_range *from,
+ __u64 width)
{
- r->lr_start = s->lr_start;
- r->lr_end = s->lr_start + w;
- s->lr_start += w;
+ to->lsr_start = from->lsr_start;
+ to->lsr_end = from->lsr_start + width;
+ from->lsr_start += width;
}
-static inline int range_is_sane(struct lu_range *r)
+static inline int range_is_sane(const struct lu_seq_range *range)
{
- return (r->lr_end >= r->lr_start);
+ return (range->lsr_end >= range->lsr_start);
}
-static inline int range_is_zero(struct lu_range *r)
+static inline int range_is_zero(const struct lu_seq_range *range)
{
- return (r->lr_start == 0 && r->lr_end == 0);
+ return (range->lsr_start == 0 && range->lsr_end == 0);
}
-static inline int range_is_exhausted(struct lu_range *r)
+static inline int range_is_exhausted(const struct lu_seq_range *range)
+
{
- return range_space(r) == 0;
+ return range_space(range) == 0;
}
-#define DRANGE "[%#16.16"LPF64"x-%#16.16"LPF64"x]"
+#define DRANGE "[%#16.16"LPF64"x-%#16.16"LPF64"x):%x"
#define PRANGE(range) \
- (range)->lr_start, \
- (range)->lr_end
+ (range)->lsr_start, \
+ (range)->lsr_end, \
+ (range)->lsr_mdt
+/** \defgroup lu_fid lu_fid
+ * @{ */
+
+/**
+ * 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.
+ */
struct lu_fid {
- __u64 f_seq; /* holds fid sequence. Lustre should support 2 ^ 64
- * objects, thus even if one sequence has one object we
- * will never reach this value. */
- __u32 f_oid; /* fid number within its sequence. */
- __u32 f_ver; /* holds fid version. */
+ /**
+ * 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;
};
-/*
+/**
+ * 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 {
+ /** FID of this inode */
+ struct lu_fid lma_self_fid;
+ /** SOM state, mdt/ost type, others */
+ __u64 lma_flags;
+ /** total sectors in objects */
+ __u64 lma_som_sectors;
+};
+
+
+/**
* fid constants
*/
enum {
- /* initial fid id value */
+ /** initial fid id value */
LUSTRE_FID_INIT_OID = 1UL
};
-/* get object sequence */
+/** returns fid object sequence */
static inline __u64 fid_seq(const struct lu_fid *fid)
{
return fid->f_seq;
}
-/* get object id */
+/** returns fid object id */
static inline __u32 fid_oid(const struct lu_fid *fid)
{
return fid->f_oid;
}
-/* get object version */
+/** returns fid object version */
static inline __u32 fid_ver(const struct lu_fid *fid)
{
return fid->f_ver;
/**
* Check if a fid is igif or not.
* \param fid the fid to be tested.
- * \return true if the fid is a igif; otherwise false.
+ * \return true if the fid is a igif; otherwise false.
*/
static inline int fid_is_igif(const struct lu_fid *fid)
{
/**
* Check if a fid is idif or not.
* \param fid the fid to be tested.
- * \return true if the fid is a idif; otherwise false.
+ * \return true if the fid is a idif; otherwise false.
*/
static inline int fid_is_idif(const struct lu_fid *fid)
{
* Get inode generation from a igif.
* \param fid a igif to get inode generation from.
* \return inode generation for the igif.
- */
+ */
static inline __u32 lu_igif_gen(const struct lu_fid *fid)
{
return fid_oid(fid);
}
-#define DFID "[0x%16.16"LPF64"x/0x%8.8x:0x%8.8x]"
+#define DFID "["LPX64":0x%x:0x%x]"
+#define SFID "0x%llx:0x%x:0x%x"
#define PFID(fid) \
fid_seq(fid), \
LASSERTF(fid_is_igif(dst) || fid_ver(dst) == 0, DFID"\n", PFID(dst));
}
-#ifdef __KERNEL__
-/*
+/**
* Storage representation for fids.
*
* Variable size, first byte contains the length of the whole record.
*/
-
struct lu_fid_pack {
char fp_len;
char fp_area[sizeof(struct lu_fid)];
struct lu_fid *befider);
int fid_unpack(const struct lu_fid_pack *pack, struct lu_fid *fid);
-/* __KERNEL__ */
-#endif
-
static inline int fid_is_sane(const struct lu_fid *fid)
{
return
}
extern void lustre_swab_lu_fid(struct lu_fid *fid);
-extern void lustre_swab_lu_range(struct lu_range *range);
+extern void lustre_swab_lu_seq_range(struct lu_seq_range *range);
static inline int lu_fid_eq(const struct lu_fid *f0,
const struct lu_fid *f1)
{
- /* Check that there is no alignment padding. */
- CLASSERT(sizeof *f0 ==
+ /* Check that there is no alignment padding. */
+ CLASSERT(sizeof *f0 ==
sizeof f0->f_seq + sizeof f0->f_oid + sizeof f0->f_ver);
LASSERTF(fid_is_igif(f0) || fid_ver(f0) == 0, DFID, PFID(f0));
LASSERTF(fid_is_igif(f1) || fid_ver(f1) == 0, DFID, PFID(f1));
- return memcmp(f0, f1, sizeof *f0) == 0;
+ return memcmp(f0, f1, sizeof *f0) == 0;
}
-/*
+#define __diff_normalize(val0, val1) \
+({ \
+ typeof(val0) __val0 = (val0); \
+ typeof(val1) __val1 = (val1); \
+ \
+ (__val0 == __val1 ? 0 : __val0 > __val1 ? +1 : -1); \
+})
+
+static inline int lu_fid_cmp(const struct lu_fid *f0,
+ const struct lu_fid *f1)
+{
+ return
+ __diff_normalize(fid_seq(f0), fid_seq(f1)) ?:
+ __diff_normalize(fid_oid(f0), fid_oid(f1)) ?:
+ __diff_normalize(fid_ver(f0), fid_ver(f1));
+}
+
+/** @} lu_fid */
+
+/** \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);
}
#define DIR_END_OFF 0xfffffffffffffffeULL
+/** @} lu_dir */
+
struct lustre_handle {
__u64 cookie;
};
};
/* without gss, ptlrpc_body is put at the first buffer. */
+#define PTLRPC_NUM_VERSIONS 4
struct ptlrpc_body {
struct lustre_handle pb_handle;
__u32 pb_type;
__u32 pb_service_time; /* for rep, actual service time */
__u32 pb_limit;
__u64 pb_slv;
+ /* VBR: pre-versions */
+ __u64 pb_pre_versions[PTLRPC_NUM_VERSIONS];
+ /* padding for future needs */
+ __u64 pb_padding[4];
};
extern void lustre_swab_ptlrpc_body(struct ptlrpc_body *pb);
* This was used in early prototypes of adaptive timeouts, and while there
* shouldn't be any users of that code there also isn't a need for using this
* bits. Defer usage until at least 1.10 to avoid potential conflict. */
-#define MSG_REQ_REPLAY_DONE 0x0010
-#define MSG_LOCK_REPLAY_DONE 0x0020
+#define MSG_DELAY_REPLAY 0x0010
+#define MSG_VERSION_REPLAY 0x0020
+#define MSG_REQ_REPLAY_DONE 0x0040
+#define MSG_LOCK_REPLAY_DONE 0x0080
/*
* 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_LCL_CLIENT 0x00010000ULL /* local 1.8 client */
-#define OBD_CONNECT_RMT_CLIENT 0x00020000ULL /* Remote 1.8 client */
-#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 size
- *b=10600 */
-#define OBD_CONNECT_CKSUM 0x20000000ULL /* support several cksum algos */
-#define OBD_CONNECT_FID 0x40000000ULL /* FID is supported by server */
-
+#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_LCL_CLIENT | \
+ 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_MDS_MDS | OBD_CONNECT_FID | \
+ LRU_RESIZE_CONNECT_FLAG | OBD_CONNECT_VBR | \
+ OBD_CONNECT_LOV_V3)
#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_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)
OST_SET_INFO = 17,
OST_QUOTACHECK = 18,
OST_QUOTACTL = 19,
+ OST_QUOTA_ADJUST_QUNIT = 20,
OST_LAST_OPC
} ost_cmd_t;
#define OST_FIRST_OPC OST_REPLY
-typedef uint64_t obd_id;
-typedef uint64_t obd_gr;
-typedef uint64_t obd_time;
-typedef uint64_t obd_size;
-typedef uint64_t obd_off;
-typedef uint64_t obd_blocks;
-typedef uint32_t obd_blksize;
-typedef uint32_t obd_mode;
-typedef uint32_t obd_uid;
-typedef uint32_t obd_gid;
-typedef uint32_t obd_flag;
-typedef uint64_t obd_valid;
-typedef uint32_t obd_count;
+typedef __u64 obd_id;
+typedef __u64 obd_gr;
+typedef __u64 obd_time;
+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 __u32 obd_count;
#define OBD_FL_INLINEDATA (0x00000001)
#define OBD_FL_OBDMDEXISTS (0x00000002)
#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 */
+#define OBD_FL_CREATE_CROW (0x00000400) /* object should be create on write */
-/*
- * 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)
+#define OBD_FL_TRUNCLOCK (0x00000800) /* delegate DLM locking during punch */
+#define OBD_FL_CKSUM_CRC32 (0x00001000) /* CRC32 checksum type */
+#define OBD_FL_CKSUM_ADLER (0x00002000) /* ADLER checksum type */
+#define OBD_FL_CKSUM_RESV1 (0x00004000) /* reserved for future checksum type */
+#define OBD_FL_CKSUM_RESV2 (0x00008000) /* reserved for future checksum type */
+#define OBD_FL_CKSUM_RESV3 (0x00010000) /* reserved for future checksum type */
+#define OBD_FL_SHRINK_GRANT (0x00020000) /* object shrink the grant */
-/*
- * 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.
- */
-#define OBD_INLINESZ 80
-
-/* Note: 64-bit types are 64-bit aligned in structure */
-struct obdo {
- obd_valid o_valid; /* hot fields in this obdo */
- obd_id o_id;
- obd_gr o_gr;
- obd_id o_fid;
- obd_size o_size; /* o_size-o_blocks == ost_lvb */
- obd_time o_mtime;
- obd_time o_atime;
- obd_time o_ctime;
- obd_blocks o_blocks; /* brw: cli sent cached bytes */
- obd_size o_grant;
-
- /* 32-bit fields start here: keep an even number of them via padding */
- obd_blksize o_blksize; /* optimal IO blocksize */
- obd_mode o_mode; /* brw: cli sent cache remain */
- obd_uid o_uid;
- obd_gid o_gid;
- obd_flag o_flags;
- obd_count o_nlink; /* brw: checksum */
- obd_count o_generation;
- obd_count o_misc; /* brw: o_dropped */
- __u32 o_easize; /* epoch in ost writes */
- __u32 o_mds;
- __u32 o_stripe_idx; /* holds stripe idx */
- __u32 o_padding_1;
- char o_inline[OBD_INLINESZ];
- /* lustre_handle + llog_cookie */
-};
-
-#define o_dirty o_blocks
-#define o_undirty o_mode
-#define o_dropped o_misc
-#define o_cksum o_nlink
-
-extern void lustre_swab_obdo (struct obdo *o);
-
-
#define LOV_MAGIC_V1 0x0BD10BD0
#define LOV_MAGIC LOV_MAGIC_V1
#define LOV_MAGIC_JOIN 0x0BD20BD0
+#define LOV_MAGIC_V3 0x0BD30BD0
#define LOV_PATTERN_RAID0 0x001 /* stripes are used round-robin */
#define LOV_PATTERN_RAID1 0x002 /* stripes are mirrors of each other */
struct lov_ost_data_v1 lmm_objects[0]; /* per-stripe data */
};
-extern void lustre_swab_lov_mds_md(struct lov_mds_md *llm);
+/* extern void lustre_swab_lov_mds_md(struct lov_mds_md *llm); */
#define MAX_MD_SIZE (sizeof(struct lov_mds_md) + 4 * sizeof(struct lov_ost_data))
#define MIN_MD_SIZE (sizeof(struct lov_mds_md) + 1 * sizeof(struct lov_ost_data))
#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 */
+ __u32 lmm_pattern; /* LOV_PATTERN_RAID0, LOV_PATTERN_RAID1 */
+ __u64 lmm_object_id; /* LOV object ID */
+ __u64 lmm_object_gr; /* LOV object group */
+ __u32 lmm_stripe_size; /* size of stripe in bytes */
+ __u32 lmm_stripe_count; /* num stripes in use for this object */
+ char lmm_pool_name[LOV_MAXPOOLNAME]; /* must be 32bit aligned */
+ struct lov_ost_data_v1 lmm_objects[0]; /* per-stripe data */
+};
+
#define OBD_MD_FLID (0x00000001ULL) /* object ID */
#define OBD_MD_FLATIME (0x00000002ULL) /* access time */
#define OBD_MD_FLFLAGS (0x00000800ULL) /* flags word */
#define OBD_MD_FLNLINK (0x00002000ULL) /* link count */
#define OBD_MD_FLGENER (0x00004000ULL) /* generation number */
-#define OBD_MD_FLINLINE (0x00008000ULL) /* inline data */
+/*#define OBD_MD_FLINLINE (0x00008000ULL) inline data. used until 1.6.5 */
#define OBD_MD_FLRDEV (0x00010000ULL) /* device number */
#define OBD_MD_FLEASIZE (0x00020000ULL) /* extended attribute data */
#define OBD_MD_LINKNAME (0x00040000ULL) /* symbolic link target */
-#define OBD_MD_FLHANDLE (0x00080000ULL) /* file handle */
+#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 */
#define OBD_MD_FLCKSPLIT (0x0000080000000000ULL) /* Check split on server */
#define OBD_MD_FLCROSSREF (0x0000100000000000ULL) /* Cross-ref case */
+#define OBD_FL_TRUNC (0x0000200000000000ULL) /* for filter_truncate */
+
#define OBD_MD_FLRMTLSETFACL (0x0001000000000000ULL) /* lfs lsetfacl case */
#define OBD_MD_FLRMTLGETFACL (0x0002000000000000ULL) /* lfs lgetfacl case */
#define OBD_MD_FLRMTRSETFACL (0x0004000000000000ULL) /* lfs rsetfacl case */
OBD_MD_FLGID | OBD_MD_FLFLAGS | OBD_MD_FLNLINK | \
OBD_MD_FLGENER | OBD_MD_FLRDEV | OBD_MD_FLGROUP)
-static inline struct lustre_handle *obdo_handle(struct obdo *oa)
-{
- return (struct lustre_handle *)oa->o_inline;
-}
-
-static inline struct llog_cookie *obdo_logcookie(struct obdo *oa)
-{
- return (struct llog_cookie *)(oa->o_inline +
- sizeof(struct lustre_handle));
-}
/* 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_DROP 0x80 /* drop the page after IO */
+#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 */
extern void lustre_swab_niobuf_remote (struct niobuf_remote *nbr);
-/* request structure for OST's */
-
-struct ost_body {
- struct obdo oa;
-};
-
-extern void lustre_swab_ost_body (struct ost_body *b);
-extern void lustre_swab_ost_last_id(obd_id *id);
-
/* lock value block communicated between the filter and llite */
-/* OST_LVB_ERR_INIT is needed because the return code in rc is
+/* OST_LVB_ERR_INIT is needed because the return code in rc is
* negative, i.e. because ((MASK + rc) & MASK) != MASK. */
#define OST_LVB_ERR_INIT 0xffbadbad80000000ULL
#define OST_LVB_ERR_MASK 0xffbadbad00000000ULL
}
#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 */
+ __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 {
#define Q_INITQUOTA 0x800101 /* init slave limits */
#define Q_GETOINFO 0x800102 /* get obd quota info */
#define Q_GETOQUOTA 0x800103 /* get obd quotas */
+#define Q_FINVALIDATE 0x800104 /* invalidate operational quotas */
+
+#define Q_TYPEMATCH(id, type) \
+ ((id) == (type) || (id) == UGQUOTA)
-#define Q_TYPESET(oqc, type) \
- ((oqc)->qc_type == type || (oqc)->qc_type == UGQUOTA)
+#define Q_TYPESET(oqc, type) Q_TYPEMATCH((oqc)->qc_type, type)
#define Q_GETOCMD(oqc) \
((oqc)->qc_cmd == Q_GETOINFO || (oqc)->qc_cmd == Q_GETOQUOTA)
+#define QCTL_COPY(out, in) \
+do { \
+ Q_COPY(out, in, qc_cmd); \
+ Q_COPY(out, in, qc_type); \
+ Q_COPY(out, in, qc_id); \
+ Q_COPY(out, in, qc_stat); \
+ Q_COPY(out, in, qc_dqinfo); \
+ Q_COPY(out, in, qc_dqblk); \
+} while (0)
+
struct obd_quotactl {
__u32 qc_cmd;
__u32 qc_type;
extern void lustre_swab_obd_quotactl(struct obd_quotactl *q);
+struct quota_adjust_qunit {
+ __u32 qaq_flags;
+ __u32 qaq_id;
+ __u64 qaq_bunit_sz;
+ __u64 qaq_iunit_sz;
+ __u64 padding1;
+};
+extern void lustre_swab_quota_adjust_qunit(struct quota_adjust_qunit *q);
+
+/* flags in qunit_data and quota_adjust_qunit will use macroes below */
+#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_ADJINO 8UL /* adjust the inode 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 */
+#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_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)
+
/* inode access permission for remote user, the inode info are omitted,
* for client knows them. */
struct mds_remote_perm {
CFS_SETUID_PERM = 0x01,
CFS_SETGID_PERM = 0x02,
CFS_SETGRP_PERM = 0x04,
- CFS_RMTACL_PERM = 0x08
+ CFS_RMTACL_PERM = 0x08,
+ CFS_RMTOWN_PERM = 0x10
};
extern void lustre_swab_mds_remote_perm(struct mds_remote_perm *p);
struct mdt_rec_setattr {
__u32 sa_opcode;
+ __u32 sa_cap;
__u32 sa_fsuid;
+ __u32 sa_fsuid_h;
__u32 sa_fsgid;
- __u32 sa_cap;
+ __u32 sa_fsgid_h;
__u32 sa_suppgid;
+ __u32 sa_suppgid_h;
__u32 sa_padding_1;
+ __u32 sa_padding_1_h;
struct lu_fid sa_fid;
__u64 sa_valid;
__u32 sa_uid;
MDS_CROSS_REF = 1 << 1,
MDS_VTX_BYPASS = 1 << 2,
MDS_PERM_BYPASS = 1 << 3,
- MDS_SOM = 1 << 4
-};
-
-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;
+ MDS_SOM = 1 << 4,
+ MDS_QUOTA_IGNORE = 1 << 5
};
-extern void lustre_swab_mdt_rec_join (struct mdt_rec_join *jr);
-
struct mds_rec_create {
__u32 cr_opcode;
__u32 cr_fsuid;
struct mdt_rec_create {
__u32 cr_opcode;
+ __u32 cr_cap;
__u32 cr_fsuid;
+ __u32 cr_fsuid_h;
__u32 cr_fsgid;
- __u32 cr_cap;
+ __u32 cr_fsgid_h;
__u32 cr_suppgid1;
+ __u32 cr_suppgid1_h;
__u32 cr_suppgid2;
+ __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 mdt_rec_link {
__u32 lk_opcode;
+ __u32 lk_cap;
__u32 lk_fsuid;
+ __u32 lk_fsuid_h;
__u32 lk_fsgid;
- __u32 lk_cap;
+ __u32 lk_fsgid_h;
__u32 lk_suppgid1;
+ __u32 lk_suppgid1_h;
__u32 lk_suppgid2;
+ __u32 lk_suppgid2_h;
struct lu_fid lk_fid1;
struct lu_fid lk_fid2;
__u64 lk_time;
struct mdt_rec_unlink {
__u32 ul_opcode;
+ __u32 ul_cap;
__u32 ul_fsuid;
+ __u32 ul_fsuid_h;
__u32 ul_fsgid;
- __u32 ul_cap;
+ __u32 ul_fsgid_h;
__u32 ul_suppgid1;
+ __u32 ul_suppgid1_h;
__u32 ul_suppgid2;
+ __u32 ul_suppgid2_h;
struct lu_fid ul_fid1;
struct lu_fid ul_fid2;
__u64 ul_time;
struct mdt_rec_rename {
__u32 rn_opcode;
+ __u32 rn_cap;
__u32 rn_fsuid;
+ __u32 rn_fsuid_h;
__u32 rn_fsgid;
- __u32 rn_cap;
+ __u32 rn_fsgid_h;
__u32 rn_suppgid1;
+ __u32 rn_suppgid1_h;
__u32 rn_suppgid2;
+ __u32 rn_suppgid2_h;
struct lu_fid rn_fid1;
struct lu_fid rn_fid2;
__u64 rn_time;
struct mdt_rec_setxattr {
__u32 sx_opcode;
+ __u32 sx_cap;
__u32 sx_fsuid;
+ __u32 sx_fsuid_h;
__u32 sx_fsgid;
- __u32 sx_cap;
+ __u32 sx_fsgid_h;
__u32 sx_suppgid1;
+ __u32 sx_suppgid1_h;
__u32 sx_suppgid2;
+ __u32 sx_suppgid2_h;
struct lu_fid sx_fid;
__u64 sx_padding_1; /* These three members are lu_fid size */
__u32 sx_padding_2;
struct mdt_rec_reint {
__u32 rr_opcode;
+ __u32 rr_cap;
__u32 rr_fsuid;
+ __u32 rr_fsuid_h;
__u32 rr_fsgid;
- __u32 rr_cap;
+ __u32 rr_fsgid_h;
__u32 rr_suppgid1;
+ __u32 rr_suppgid1_h;
__u32 rr_suppgid2;
+ __u32 rr_suppgid2_h;
struct lu_fid rr_fid1;
struct lu_fid rr_fid2;
__u64 rr_mtime;
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 */
LCK_CR = 16,
LCK_NL = 32,
LCK_GROUP = 64,
+ LCK_COS = 128,
LCK_MAXMODE
} ldlm_mode_t;
-#define LCK_MODE_NUM 7
+#define LCK_MODE_NUM 8
typedef enum {
LDLM_PLAIN = 10,
__u32 cm_flags;
__u32 cm_vers; /* lustre release version number */
__u32 padding; /* 64 bit align */
- time_t cm_createtime; /*when this record was first created */
- time_t cm_canceltime; /*when this record is no longer valid*/
+ __u64 cm_createtime; /*when this record was first created */
+ __u64 cm_canceltime; /*when this record is no longer valid*/
char cm_tgtname[MTI_NAME_MAXLEN];
char cm_comment[MTI_NAME_MAXLEN];
};
+extern void lustre_swab_cfg_marker(struct cfg_marker *marker,
+ int swab, int size);
+
/*
* Opcodes for multiple servers.
*/
/* catalog of log objects */
-/* Identifier for a single log object */
+/** Identifier for a single log object */
struct llog_logid {
__u64 lgl_oid;
__u64 lgl_ogr;
__u32 lgl_ogen;
} __attribute__((packed));
-/* Records written to the CATALOGS list */
+/** Records written to the CATALOGS list */
#define CATLIST "CATALOGS"
struct llog_catid {
struct llog_logid lci_logid;
__u32 lci_padding3;
} __attribute__((packed));
-/*join file lov mds md*/
+/** join file lov mds md*/
struct lov_mds_md_join {
struct lov_mds_md lmmj_md;
/*join private info*/
#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,
- 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,
- 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;
/*
__swab32(LLOG_OP_MAGIC) || \
(((r)->lrh_type == 0) && ((r)->lrh_len > LLOG_CHUNK_SIZE)))
-/* Log record header - stored in little endian order.
+/** Log record header - stored in little endian order.
* Each record must start with this struct, end with a llog_rec_tail,
* and be a multiple of 256 bits in size.
*/
struct llog_rec_tail lid_tail;
} __attribute__((packed));
-/* MDS extent description
+/** MDS extent description
* It is for joined file extent info, each extent info for joined file
* just like (start, end, lmm).
*/
__u64 med_len; /* extent length */
struct lov_mds_md med_lmm; /* extent's lmm */
};
-/*Joined file array extent log record*/
+
+/** Joined file array extent log record*/
struct llog_array_rec {
struct llog_rec_hdr lmr_hdr;
struct mds_extent_desc lmr_med;
struct llog_rec_tail lsr_tail;
} __attribute__((packed));
+struct llog_setattr64_rec {
+ struct llog_rec_hdr lsr_hdr;
+ obd_id lsr_oid;
+ obd_count lsr_ogen;
+ __u32 padding;
+ __u32 lsr_uid;
+ __u32 lsr_uid_h;
+ __u32 lsr_gid;
+ __u32 lsr_gid_h;
+ struct llog_rec_tail lsr_tail;
+} __attribute__((packed));
+
struct llog_size_change_rec {
struct llog_rec_hdr lsc_hdr;
struct ll_fid lsc_fid;
struct llog_rec_tail lsc_tail;
} __attribute__((packed));
+#define CHANGELOG_MAGIC 0xca103000
+/** Changelog record types
+ * When adding record types, update mdd_lproc.c's changelog_str
+ */
+enum changelog_rec_type {
+ CL_MARK = 0,
+ CL_CREATE = 1, /* namespace */
+ CL_MKDIR = 2, /* namespace */
+ CL_HARDLINK = 3, /* namespace */
+ CL_SOFTLINK = 4, /* namespace */
+ CL_MKNOD = 5, /* namespace */
+ CL_UNLINK = 6, /* namespace */
+ CL_RMDIR = 7, /* namespace */
+ CL_RENAME = 8, /* namespace */
+ CL_EXT = 9, /* namespace extended record (2nd half of rename) */
+ CL_OPEN = 10, /* not currently used */
+ CL_CLOSE = 11, /* may be written to log only with mtime change */
+ CL_IOCTL = 12,
+ CL_TRUNC = 13,
+ CL_SETATTR = 14,
+ CL_XATTR = 15,
+ 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 CHANGELOG_MINMASK (1 << CL_MARK)
+/** bits covering all \a changelog_rec_type's */
+#define CHANGELOG_ALLMASK 0XFFFF
+/** default \a changelog_rec_type mask */
+#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;
+ __u16 cr_flags; /**< (flags&CLF_FLAGMASK)|CLF_VERSION */
+ __u16 cr_namelen;
+ __u32 cr_type; /**< \a changelog_rec_type */
+ __u64 cr_index;
+ __u64 cr_prev; /**< last index for this target fid */
+ __u64 cr_time;
+ union {
+ struct lu_fid cr_tfid; /**< target fid */
+ __u32 cr_markerflags; /**< CL_MARK flags */
+ };
+ struct lu_fid cr_pfid; /**< parent fid */
+ union {
+ char cr_name[0]; /**< last element */
+ struct llog_rec_tail cr_tail; /**< for_sizezof_only */
+ };
+} __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;
llh->llh_bitmap_offset - \
sizeof(llh->llh_tail)) * 8)
-/* log cookies are used to reference a specific log file and a record therein */
+/** log cookies are used to reference a specific log file and a record therein */
struct llog_cookie {
struct llog_logid lgc_lgl;
__u32 lgc_subsys;
__u32 lgc_padding;
} __attribute__((packed));
-/* llog protocol */
+/** llog protocol */
enum llogd_rpc_ops {
LLOG_ORIGIN_HANDLE_CREATE = 501,
LLOG_ORIGIN_HANDLE_NEXT_BLOCK = 502,
struct lov_user_ost_data_join lmm_objects[0]; /* per-stripe data */
} __attribute__((packed));
-extern void lustre_swab_lov_user_md(struct lov_user_md *lum);
-extern void lustre_swab_lov_user_md_objects(struct lov_user_md *lum);
+/* Note: 64-bit types are 64-bit aligned in structure */
+struct obdo {
+ obd_valid o_valid; /* hot fields in this obdo */
+ obd_id o_id;
+ obd_gr o_gr;
+ obd_id o_fid;
+ obd_size o_size; /* o_size-o_blocks == ost_lvb */
+ obd_time o_mtime;
+ obd_time o_atime;
+ obd_time o_ctime;
+ obd_blocks o_blocks; /* brw: cli sent cached bytes */
+ obd_size o_grant;
+
+ /* 32-bit fields start here: keep an even number of them via padding */
+ obd_blksize o_blksize; /* optimal IO blocksize */
+ obd_mode o_mode; /* brw: cli sent cache remain */
+ obd_uid o_uid;
+ obd_gid o_gid;
+ obd_flag o_flags;
+ obd_count o_nlink; /* brw: checksum */
+ obd_count o_generation;
+ obd_count o_misc; /* brw: o_dropped */
+ __u32 o_easize; /* epoch in ost writes */
+ __u32 o_mds;
+ __u32 o_stripe_idx; /* holds stripe idx */
+ __u32 o_padding_1;
+ struct lustre_handle o_handle; /* brw: lock handle to prolong locks */
+ struct llog_cookie o_lcookie; /* destroy: unlink cookie from MDS */
+
+ __u64 o_padding_2;
+ __u64 o_padding_3;
+ __u64 o_padding_4;
+ __u64 o_padding_5;
+ __u64 o_padding_6;
+};
+
+#define o_dirty o_blocks
+#define o_undirty o_mode
+#define o_dropped o_misc
+#define o_cksum o_nlink
+
+extern void lustre_swab_obdo (struct obdo *o);
+
+/* request structure for OST's */
+struct ost_body {
+ struct obdo oa;
+};
+
+/* Key for FIEMAP to be used in get_info calls */
+struct ll_fiemap_info_key {
+ char name[8];
+ struct obdo oa;
+ struct ll_user_fiemap fiemap;
+};
+
+extern void lustre_swab_ost_body (struct ost_body *b);
+extern void lustre_swab_ost_last_id(obd_id *id);
+extern void lustre_swab_fiemap(struct ll_user_fiemap *fiemap);
+
+extern void lustre_swab_lov_user_md_v1(struct lov_user_md_v1 *lum);
+extern void lustre_swab_lov_user_md_v3(struct lov_user_md_v3 *lum);
+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);
struct lustre_cfg;
extern void lustre_swab_lustre_cfg(struct lustre_cfg *lcfg);
-/* quota. fixed by tianzy for bug10707 */
-#define QUOTA_IS_GRP 0X1UL /* 0 is user, 1 is group. Used by qd_flags*/
-#define QUOTA_IS_BLOCK 0x2UL /* 0 is inode, 1 is block. Used by qd_flags*/
-
+/* this will be used when OBD_CONNECT_CHANGE_QS is set */
struct qunit_data {
- __u32 qd_id; /* ID appiles to (uid, gid) */
- __u32 qd_flags; /* Quota type (USRQUOTA, GRPQUOTA) occupy one bit;
- * Block quota or file quota occupy one bit */
- __u64 qd_count; /* acquire/release count (bytes for block quota) */
-};
-
-struct qunit_data_old {
- __u32 qd_id; /* ID appiles to (uid, gid) */
- __u32 qd_type; /* Quota type (USRQUOTA, GRPQUOTA) */
- __u32 qd_count; /* acquire/release count (bytes for block quota) */
- __u32 qd_isblk; /* Block quota or file quota */
-};
+ /**
+ * ID appiles to (uid, gid)
+ */
+ __u32 qd_id;
+ /**
+ * LQUOTA_FLAGS_* affect the responding bits
+ */
+ __u32 qd_flags;
+ /**
+ * acquire/release count (bytes for block quota)
+ */
+ __u64 qd_count;
+ /**
+ * when a master returns the reply to a slave, it will
+ * contain the current corresponding qunit size
+ */
+ __u64 qd_qunit;
+ __u64 padding;
+};
+
+#define QDATA_IS_GRP(qdata) ((qdata)->qd_flags & LQUOTA_FLAGS_GRP)
+#define QDATA_IS_BLK(qdata) ((qdata)->qd_flags & LQUOTA_FLAGS_BLK)
+#define QDATA_IS_ADJBLK(qdata) ((qdata)->qd_flags & LQUOTA_FLAGS_ADJBLK)
+#define QDATA_IS_ADJINO(qdata) ((qdata)->qd_flags & LQUOTA_FLAGS_ADJINO)
+#define QDATA_IS_CHANGE_QS(qdata) ((qdata)->qd_flags & LQUOTA_FLAGS_CHG_QS)
+
+#define QDATA_SET_GRP(qdata) ((qdata)->qd_flags |= LQUOTA_FLAGS_GRP)
+#define QDATA_SET_BLK(qdata) ((qdata)->qd_flags |= LQUOTA_FLAGS_BLK)
+#define QDATA_SET_ADJBLK(qdata) ((qdata)->qd_flags |= LQUOTA_FLAGS_ADJBLK)
+#define QDATA_SET_ADJINO(qdata) ((qdata)->qd_flags |= LQUOTA_FLAGS_ADJINO)
+#define QDATA_SET_CHANGE_QS(qdata) ((qdata)->qd_flags |= LQUOTA_FLAGS_CHG_QS)
+
+#define QDATA_CLR_GRP(qdata) ((qdata)->qd_flags &= ~LQUOTA_FLAGS_GRP)
+#define QDATA_CLR_CHANGE_QS(qdata) ((qdata)->qd_flags &= ~LQUOTA_FLAGS_CHG_QS)
extern void lustre_swab_qdata(struct qunit_data *d);
-extern void lustre_swab_qdata_old(struct qunit_data_old *d);
-extern struct qunit_data *lustre_quota_old_to_new(struct qunit_data_old *d);
-extern struct qunit_data_old *lustre_quota_new_to_old(struct qunit_data *d);
+extern int quota_get_qdata(void*req, struct qunit_data *qdata,
+ 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 = 601,
QUOTA_DQREL = 602,
+ QUOTA_LAST_OPC
} quota_cmd_t;
+#define QUOTA_FIRST_OPC QUOTA_DQACQ
#define JOIN_FILE_ALIGN 4096
+#define QUOTA_REQUEST 1
+#define QUOTA_REPLY 0
+#define QUOTA_EXPORT 1
+#define QUOTA_IMPORT 0
+
+/* quota check function */
+#define QUOTA_RET_OK 0 /**< return successfully */
+#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 */
+
+
/* security opcodes */
typedef enum {
SEC_CTX_INIT = 801,
/* NB take care when changing the sequence of elements this struct,
* because the offset info is used in find_capa() */
struct lustre_capa {
- struct lu_fid lc_fid; /* fid */
- __u64 lc_opc; /* operations allowed */
- __u32 lc_uid; /* uid, it is obsolete, but maybe used in
- * future, reserve it for 64-bits aligned.*/
- __u32 lc_flags; /* HMAC algorithm & flags */
- __u32 lc_keyid; /* key used for the capability */
- __u32 lc_timeout; /* capa timeout value (sec) */
- __u64 lc_expiry; /* expiry time (sec) */
- __u8 lc_hmac[CAPA_HMAC_MAX_LEN]; /* HMAC */
+ struct lu_fid lc_fid; /** fid */
+ __u64 lc_opc; /** operations allowed */
+ __u64 lc_uid; /** file owner */
+ __u64 lc_gid; /** file group */
+ __u32 lc_flags; /** HMAC algorithm & flags */
+ __u32 lc_keyid; /** key# used for the capability */
+ __u32 lc_timeout; /** capa timeout value (sec) */
+ __u32 lc_expiry; /** expiry time (sec) */
+ __u8 lc_hmac[CAPA_HMAC_MAX_LEN]; /** HMAC */
} __attribute__((packed));
extern void lustre_swab_lustre_capa(struct lustre_capa *c);
-/* lustre_capa.lc_opc */
+/** lustre_capa::lc_opc */
enum {
- CAPA_OPC_BODY_WRITE = 1<<0, /* write object data */
- CAPA_OPC_BODY_READ = 1<<1, /* read object data */
- CAPA_OPC_INDEX_LOOKUP = 1<<2, /* lookup object fid */
- CAPA_OPC_INDEX_INSERT = 1<<3, /* insert object fid */
- CAPA_OPC_INDEX_DELETE = 1<<4, /* delete object fid */
- CAPA_OPC_OSS_WRITE = 1<<5, /* write oss object data */
- CAPA_OPC_OSS_READ = 1<<6, /* read oss object data */
- CAPA_OPC_OSS_TRUNC = 1<<7, /* truncate oss object */
- CAPA_OPC_META_WRITE = 1<<8, /* write object meta data */
- CAPA_OPC_META_READ = 1<<9, /* read object meta data */
-
+ CAPA_OPC_BODY_WRITE = 1<<0, /**< write object data */
+ CAPA_OPC_BODY_READ = 1<<1, /**< read object data */
+ CAPA_OPC_INDEX_LOOKUP = 1<<2, /**< lookup object fid */
+ CAPA_OPC_INDEX_INSERT = 1<<3, /**< insert object fid */
+ CAPA_OPC_INDEX_DELETE = 1<<4, /**< delete object fid */
+ CAPA_OPC_OSS_WRITE = 1<<5, /**< write oss object data */
+ CAPA_OPC_OSS_READ = 1<<6, /**< read oss object data */
+ CAPA_OPC_OSS_TRUNC = 1<<7, /**< truncate oss object */
+ CAPA_OPC_OSS_DESTROY = 1<<8, /**< destroy oss object */
+ CAPA_OPC_META_WRITE = 1<<9, /**< write object meta data */
+ CAPA_OPC_META_READ = 1<<10, /**< read object meta data */
};
#define CAPA_OPC_OSS_RW (CAPA_OPC_OSS_READ | CAPA_OPC_OSS_WRITE)
(CAPA_OPC_BODY_WRITE | CAPA_OPC_BODY_READ | CAPA_OPC_INDEX_LOOKUP | \
CAPA_OPC_INDEX_INSERT | CAPA_OPC_INDEX_DELETE)
#define CAPA_OPC_OSS_ONLY \
- (CAPA_OPC_OSS_WRITE | CAPA_OPC_OSS_READ | CAPA_OPC_OSS_TRUNC)
+ (CAPA_OPC_OSS_WRITE | CAPA_OPC_OSS_READ | CAPA_OPC_OSS_TRUNC | \
+ CAPA_OPC_OSS_DESTROY)
#define CAPA_OPC_MDS_DEFAULT ~CAPA_OPC_OSS_ONLY
#define CAPA_OPC_OSS_DEFAULT ~(CAPA_OPC_MDS_ONLY | CAPA_OPC_OSS_ONLY)
return (c->lc_opc & CAPA_OPC_INDEX_LOOKUP) == 0;
}
-/* lustre_capa.lc_hmac_alg */
+/* lustre_capa::lc_hmac_alg */
enum {
- CAPA_HMAC_ALG_SHA1 = 1, /* sha1 algorithm */
+ CAPA_HMAC_ALG_SHA1 = 1, /**< sha1 algorithm */
CAPA_HMAC_ALG_MAX,
};
#define CAPA_HMAC_ALG_MASK 0xff000000
struct lustre_capa_key {
- __u64 lk_mdsid; /* mds# */
- __u32 lk_keyid; /* key# */
+ __u64 lk_mdsid; /**< mds# */
+ __u32 lk_keyid; /**< key# */
__u32 lk_padding;
- __u8 lk_key[CAPA_HMAC_KEY_MAX_LEN]; /* key */
+ __u8 lk_key[CAPA_HMAC_KEY_MAX_LEN]; /**< key */
} __attribute__((packed));
extern void lustre_swab_lustre_capa_key(struct lustre_capa_key *k);
-/* quota check function */
-#define QUOTA_RET_OK 0 /* return successfully */
-#define QUOTA_RET_NOQUOTA 1 /* not support quota */
-#define QUOTA_RET_NOLIMIT 2 /* quota limit isn't set */
-#define QUOTA_RET_ACQUOTA 3 /* need to acquire extra quota */
+/** The link ea holds 1 \a link_ea_entry for each hardlink */
+#define LINK_EA_MAGIC 0x11EAF1DFUL
+struct link_ea_header {
+ __u32 leh_magic;
+ __u32 leh_reccount;
+ __u64 leh_len; /* total size */
+ /* future use */
+ __u32 padding1;
+ __u32 padding2;
+};
+
+/** Hardlink data is name and parent fid.
+ * Stored in this crazy struct for maximum packing and endian-neutrality
+ */
+struct link_ea_entry {
+ /** __u16 stored big-endian, unaligned */
+ char lee_reclen[2];
+ struct lu_fid_pack lee_parent_fid; /**< variable length */
+ /** logically after lee_parent_fid; don't use directly */
+ char lee_name[0];
+};
+
#endif
+/** @} lustreidl */