+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
#ifndef __RADOS_H
#define __RADOS_H
* fs id
*/
struct ceph_fsid {
- unsigned char fsid[16];
+ unsigned char fsid[16];
};
static inline int ceph_fsid_compare(const struct ceph_fsid *a,
const struct ceph_fsid *b)
{
- return memcmp(a, b, sizeof(*a));
+ return memcmp(a, b, sizeof(*a));
}
/*
#define CEPH_MAXSNAP ((__u64)(-3)) /* largest valid snapid */
struct ceph_timespec {
- __le32 tv_sec;
- __le32 tv_nsec;
+ __le32 tv_sec;
+ __le32 tv_nsec;
} __attribute__ ((packed));
* we encode this into one __le64.
*/
struct ceph_pg {
- __le16 preferred; /* preferred primary osd */
- __le16 ps; /* placement seed */
- __le32 pool; /* object pool */
+ __le16 preferred; /* preferred primary osd */
+ __le16 ps; /* placement seed */
+ __le32 pool; /* object pool */
} __attribute__ ((packed));
/*
#define CEPH_PG_TYPE_RAID4 2
#define CEPH_PG_POOL_VERSION 2
struct ceph_pg_pool {
- __u8 type; /* CEPH_PG_TYPE_* */
- __u8 size; /* number of osds in each pg */
- __u8 crush_ruleset; /* crush placement rule */
- __u8 object_hash; /* hash mapping object name to ps */
- __le32 pg_num, pgp_num; /* number of pg's */
- __le32 lpg_num, lpgp_num; /* number of localized pg's */
- __le32 last_change; /* most recent epoch changed */
- __le64 snap_seq; /* seq for per-pool snapshot */
- __le32 snap_epoch; /* epoch of last snap */
- __le32 num_snaps;
- __le32 num_removed_snap_intervals;
- __le64 uid;
+ __u8 type; /* CEPH_PG_TYPE_* */
+ __u8 size; /* number of osds in each pg */
+ __u8 crush_ruleset; /* crush placement rule */
+ __u8 object_hash; /* hash mapping object name to ps */
+ __le32 pg_num, pgp_num; /* number of pg's */
+ __le32 lpg_num, lpgp_num; /* number of localized pg's */
+ __le32 last_change; /* most recent epoch changed */
+ __le64 snap_seq; /* seq for per-pool snapshot */
+ __le32 snap_epoch; /* epoch of last snap */
+ __le32 num_snaps;
+ __le32 num_removed_snap_intervals;
+ __le64 uid; /* who owns the pg */
} __attribute__ ((packed));
/*
*/
static inline int ceph_stable_mod(int x, int b, int bmask)
{
- if ((x & bmask) < b)
- return x & bmask;
- else
- return x & (bmask >> 1);
+ if ((x & bmask) < b)
+ return x & bmask;
+ else
+ return x & (bmask >> 1);
}
/*
* object layout - how a given object should be stored.
*/
struct ceph_object_layout {
- struct ceph_pg ol_pgid; /* raw pg, with _full_ ps precision. */
- __le32 ol_stripe_unit; /* for per-object parity, if any */
+ struct ceph_pg ol_pgid; /* raw pg, with _full_ ps precision. */
+ __le32 ol_stripe_unit; /* for per-object parity, if any */
} __attribute__ ((packed));
/*
* compound epoch+version, used by storage layer to serialize mutations
*/
struct ceph_eversion {
- __le32 epoch;
- __le64 version;
+ __le32 epoch;
+ __le64 version;
} __attribute__ ((packed));
/*
#define CEPH_OSD_OP_TYPE_PG 0x0500
enum {
- /** data **/
- /* read */
- CEPH_OSD_OP_READ = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 1,
- CEPH_OSD_OP_STAT = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 2,
-
- /* fancy read */
- CEPH_OSD_OP_MASKTRUNC = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 4,
-
- /* write */
- CEPH_OSD_OP_WRITE = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 1,
- CEPH_OSD_OP_WRITEFULL = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 2,
- CEPH_OSD_OP_TRUNCATE = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 3,
- CEPH_OSD_OP_ZERO = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 4,
- CEPH_OSD_OP_DELETE = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 5,
-
- /* fancy write */
- CEPH_OSD_OP_APPEND = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 6,
- CEPH_OSD_OP_STARTSYNC = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 7,
- CEPH_OSD_OP_SETTRUNC = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 8,
- CEPH_OSD_OP_TRIMTRUNC = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 9,
-
- CEPH_OSD_OP_TMAPUP = CEPH_OSD_OP_MODE_RMW | CEPH_OSD_OP_TYPE_DATA | 10,
- CEPH_OSD_OP_TMAPPUT = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 11,
- CEPH_OSD_OP_TMAPGET = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 12,
-
- CEPH_OSD_OP_CREATE = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 13,
-
- /** attrs **/
- /* read */
- CEPH_OSD_OP_GETXATTR = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_ATTR | 1,
- CEPH_OSD_OP_GETXATTRS = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_ATTR | 2,
-
- /* write */
- CEPH_OSD_OP_SETXATTR = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_ATTR | 1,
- CEPH_OSD_OP_SETXATTRS = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_ATTR | 2,
- CEPH_OSD_OP_RESETXATTRS = CEPH_OSD_OP_MODE_WR|CEPH_OSD_OP_TYPE_ATTR | 3,
- CEPH_OSD_OP_RMXATTR = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_ATTR | 4,
-
- /** subop **/
- CEPH_OSD_OP_PULL = CEPH_OSD_OP_MODE_SUB | 1,
- CEPH_OSD_OP_PUSH = CEPH_OSD_OP_MODE_SUB | 2,
- CEPH_OSD_OP_BALANCEREADS = CEPH_OSD_OP_MODE_SUB | 3,
- CEPH_OSD_OP_UNBALANCEREADS = CEPH_OSD_OP_MODE_SUB | 4,
- CEPH_OSD_OP_SCRUB = CEPH_OSD_OP_MODE_SUB | 5,
-
- /** lock **/
- CEPH_OSD_OP_WRLOCK = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_LOCK | 1,
- CEPH_OSD_OP_WRUNLOCK = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_LOCK | 2,
- CEPH_OSD_OP_RDLOCK = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_LOCK | 3,
- CEPH_OSD_OP_RDUNLOCK = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_LOCK | 4,
- CEPH_OSD_OP_UPLOCK = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_LOCK | 5,
- CEPH_OSD_OP_DNLOCK = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_LOCK | 6,
-
- /** exec **/
- CEPH_OSD_OP_CALL = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_EXEC | 1,
-
- /** pg **/
- CEPH_OSD_OP_PGLS = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_PG | 1,
+ /** data **/
+ /* read */
+ CEPH_OSD_OP_READ = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 1,
+ CEPH_OSD_OP_STAT = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 2,
+
+ /* fancy read */
+ CEPH_OSD_OP_MASKTRUNC = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 4,
+
+ /* write */
+ CEPH_OSD_OP_WRITE = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 1,
+ CEPH_OSD_OP_WRITEFULL = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 2,
+ CEPH_OSD_OP_TRUNCATE = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 3,
+ CEPH_OSD_OP_ZERO = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 4,
+ CEPH_OSD_OP_DELETE = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 5,
+
+ /* fancy write */
+ CEPH_OSD_OP_APPEND = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 6,
+ CEPH_OSD_OP_STARTSYNC = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 7,
+ CEPH_OSD_OP_SETTRUNC = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 8,
+ CEPH_OSD_OP_TRIMTRUNC = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 9,
+
+ CEPH_OSD_OP_TMAPUP = CEPH_OSD_OP_MODE_RMW | CEPH_OSD_OP_TYPE_DATA | 10,
+ CEPH_OSD_OP_TMAPPUT = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 11,
+ CEPH_OSD_OP_TMAPGET = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 12,
+
+ CEPH_OSD_OP_CREATE = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 13,
+
+ /** attrs **/
+ /* read */
+ CEPH_OSD_OP_GETXATTR = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_ATTR | 1,
+ CEPH_OSD_OP_GETXATTRS = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_ATTR | 2,
+
+ /* write */
+ CEPH_OSD_OP_SETXATTR = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_ATTR | 1,
+ CEPH_OSD_OP_SETXATTRS = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_ATTR | 2,
+ CEPH_OSD_OP_RESETXATTRS = CEPH_OSD_OP_MODE_WR|CEPH_OSD_OP_TYPE_ATTR | 3,
+ CEPH_OSD_OP_RMXATTR = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_ATTR | 4,
+
+ /** subop **/
+ CEPH_OSD_OP_PULL = CEPH_OSD_OP_MODE_SUB | 1,
+ CEPH_OSD_OP_PUSH = CEPH_OSD_OP_MODE_SUB | 2,
+ CEPH_OSD_OP_BALANCEREADS = CEPH_OSD_OP_MODE_SUB | 3,
+ CEPH_OSD_OP_UNBALANCEREADS = CEPH_OSD_OP_MODE_SUB | 4,
+ CEPH_OSD_OP_SCRUB = CEPH_OSD_OP_MODE_SUB | 5,
+
+ /** lock **/
+ CEPH_OSD_OP_WRLOCK = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_LOCK | 1,
+ CEPH_OSD_OP_WRUNLOCK = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_LOCK | 2,
+ CEPH_OSD_OP_RDLOCK = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_LOCK | 3,
+ CEPH_OSD_OP_RDUNLOCK = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_LOCK | 4,
+ CEPH_OSD_OP_UPLOCK = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_LOCK | 5,
+ CEPH_OSD_OP_DNLOCK = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_LOCK | 6,
+
+ /** exec **/
+ CEPH_OSD_OP_CALL = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_EXEC | 1,
+
+ /** pg **/
+ CEPH_OSD_OP_PGLS = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_PG | 1,
};
static inline int ceph_osd_op_type_lock(int op)
{
- return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_LOCK;
+ return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_LOCK;
}
static inline int ceph_osd_op_type_data(int op)
{
- return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_DATA;
+ return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_DATA;
}
static inline int ceph_osd_op_type_attr(int op)
{
- return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_ATTR;
+ return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_ATTR;
}
static inline int ceph_osd_op_type_exec(int op)
{
- return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_EXEC;
+ return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_EXEC;
}
static inline int ceph_osd_op_type_pg(int op)
{
- return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_PG;
+ return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_PG;
}
static inline int ceph_osd_op_mode_subop(int op)
{
- return (op & CEPH_OSD_OP_MODE) == CEPH_OSD_OP_MODE_SUB;
+ return (op & CEPH_OSD_OP_MODE) == CEPH_OSD_OP_MODE_SUB;
}
static inline int ceph_osd_op_mode_read(int op)
{
- return (op & CEPH_OSD_OP_MODE) == CEPH_OSD_OP_MODE_RD;
+ return (op & CEPH_OSD_OP_MODE) == CEPH_OSD_OP_MODE_RD;
}
static inline int ceph_osd_op_mode_modify(int op)
{
- return (op & CEPH_OSD_OP_MODE) == CEPH_OSD_OP_MODE_WR;
+ return (op & CEPH_OSD_OP_MODE) == CEPH_OSD_OP_MODE_WR;
}
#define CEPH_OSD_TMAP_HDR 'h'
* An op may be READ, WRITE, or READ|WRITE.
*/
enum {
- CEPH_OSD_FLAG_ACK = 1, /* want (or is) "ack" ack */
- CEPH_OSD_FLAG_ONNVRAM = 2, /* want (or is) "onnvram" ack */
- CEPH_OSD_FLAG_ONDISK = 4, /* want (or is) "ondisk" ack */
- CEPH_OSD_FLAG_RETRY = 8, /* resend attempt */
- CEPH_OSD_FLAG_READ = 16, /* op may read */
- CEPH_OSD_FLAG_WRITE = 32, /* op may write */
- CEPH_OSD_FLAG_ORDERSNAP = 64, /* EOLDSNAP if snapc is out of order */
- CEPH_OSD_FLAG_PEERSTAT = 128, /* msg includes osd_peer_stat */
- CEPH_OSD_FLAG_BALANCE_READS = 256,
- CEPH_OSD_FLAG_PARALLELEXEC = 512, /* execute op in parallel */
- CEPH_OSD_FLAG_PGOP = 1024, /* pg op, no object */
- CEPH_OSD_FLAG_EXEC = 2048, /* op may exec */
+ CEPH_OSD_FLAG_ACK = 1, /* want (or is) "ack" ack */
+ CEPH_OSD_FLAG_ONNVRAM = 2, /* want (or is) "onnvram" ack */
+ CEPH_OSD_FLAG_ONDISK = 4, /* want (or is) "ondisk" ack */
+ CEPH_OSD_FLAG_RETRY = 8, /* resend attempt */
+ CEPH_OSD_FLAG_READ = 16, /* op may read */
+ CEPH_OSD_FLAG_WRITE = 32, /* op may write */
+ CEPH_OSD_FLAG_ORDERSNAP = 64, /* EOLDSNAP if snapc is out of order */
+ CEPH_OSD_FLAG_PEERSTAT = 128, /* msg includes osd_peer_stat */
+ CEPH_OSD_FLAG_BALANCE_READS = 256,
+ CEPH_OSD_FLAG_PARALLELEXEC = 512, /* execute op in parallel */
+ CEPH_OSD_FLAG_PGOP = 1024, /* pg op, no object */
+ CEPH_OSD_FLAG_EXEC = 2048, /* op may exec */
};
enum {
- CEPH_OSD_OP_FLAG_EXCL = 1, /* EXCL object create */
+ CEPH_OSD_OP_FLAG_EXCL = 1, /* EXCL object create */
};
#define EOLDSNAPC ERESTART /* ORDERSNAP flag set; writer has old snapc*/
* payload
*/
struct ceph_osd_op {
- __le16 op; /* CEPH_OSD_OP_* */
- __le32 flags; /* CEPH_OSD_FLAG_* */
- union {
- struct {
- __le64 offset, length;
- __le64 truncate_size;
- __le32 truncate_seq;
- } __attribute__ ((packed)) extent;
- struct {
- __le32 name_len;
- __le32 value_len;
- } __attribute__ ((packed)) xattr;
- struct {
- __u8 class_len;
- __u8 method_len;
- __u8 argc;
- __le32 indata_len;
- } __attribute__ ((packed)) cls;
- struct {
- __le64 cookie, count;
- } __attribute__ ((packed)) pgls;
- };
- __le32 payload_len;
+ __le16 op; /* CEPH_OSD_OP_* */
+ __le32 flags; /* CEPH_OSD_FLAG_* */
+ union {
+ struct {
+ __le64 offset, length;
+ __le64 truncate_size;
+ __le32 truncate_seq;
+ } __attribute__ ((packed)) extent;
+ struct {
+ __le32 name_len;
+ __le32 value_len;
+ } __attribute__ ((packed)) xattr;
+ struct {
+ __u8 class_len;
+ __u8 method_len;
+ __u8 argc;
+ __le32 indata_len;
+ } __attribute__ ((packed)) cls;
+ struct {
+ __le64 cookie, count;
+ } __attribute__ ((packed)) pgls;
+ };
+ __le32 payload_len;
} __attribute__ ((packed));
/*
* ceph_osd_op object operations.
*/
struct ceph_osd_request_head {
- __le32 client_inc; /* client incarnation */
- struct ceph_object_layout layout; /* pgid */
- __le32 osdmap_epoch; /* client's osdmap epoch */
+ __le32 client_inc; /* client incarnation */
+ struct ceph_object_layout layout; /* pgid */
+ __le32 osdmap_epoch; /* client's osdmap epoch */
- __le32 flags;
+ __le32 flags;
- struct ceph_timespec mtime; /* for mutations only */
- struct ceph_eversion reassert_version; /* if we are replaying op */
+ struct ceph_timespec mtime; /* for mutations only */
+ struct ceph_eversion reassert_version; /* if we are replaying op */
- __le32 object_len; /* length of object name */
+ __le32 object_len; /* length of object name */
- __le64 snapid; /* snapid to read */
- __le64 snap_seq; /* writer's snap context */
- __le32 num_snaps;
+ __le64 snapid; /* snapid to read */
+ __le64 snap_seq; /* writer's snap context */
+ __le32 num_snaps;
- __le16 num_ops;
- struct ceph_osd_op ops[]; /* followed by ops[], obj, ticket, snaps */
+ __le16 num_ops;
+ struct ceph_osd_op ops[]; /* followed by ops[], obj, ticket, snaps */
} __attribute__ ((packed));
struct ceph_osd_reply_head {
- __le32 client_inc; /* client incarnation */
- __le32 flags;
- struct ceph_object_layout layout;
- __le32 osdmap_epoch;
- struct ceph_eversion reassert_version; /* for replaying uncommitted */
+ __le32 client_inc; /* client incarnation */
+ __le32 flags;
+ struct ceph_object_layout layout;
+ __le32 osdmap_epoch;
+ struct ceph_eversion reassert_version; /* for replaying uncommitted */
- __le32 result; /* result code */
+ __le32 result; /* result code */
- __le32 object_len; /* length of object name */
- __le32 num_ops;
- struct ceph_osd_op ops[0]; /* ops[], object */
+ __le32 object_len; /* length of object name */
+ __le32 num_ops;
+ struct ceph_osd_op ops[0]; /* ops[], object */
} __attribute__ ((packed));
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