* Author: Yury Umanets <umka@clusterfs.com>
*/
-#ifndef __LINUX_FID_H
-#define __LINUX_FID_H
+#ifndef __LUSTRE_FID_H
+#define __LUSTRE_FID_H
/** \defgroup fid fid
*
#include <libcfs/libcfs.h>
#include <lustre/lustre_idl.h>
-#include <lustre_req_layout.h>
-#include <lustre_mdt.h>
-#include <obd.h>
-
+struct lu_env;
struct lu_site;
struct lu_context;
+struct obd_device;
+struct obd_export;
/* Whole sequences space range and zero range definitions */
extern const struct lu_seq_range LUSTRE_SEQ_SPACE_RANGE;
extern const struct lu_seq_range LUSTRE_SEQ_ZERO_RANGE;
extern const struct lu_fid LUSTRE_BFL_FID;
extern const struct lu_fid LU_OBF_FID;
+extern const struct lu_fid LU_LPF_FID;
extern const struct lu_fid LU_DOT_LUSTRE_FID;
enum {
MDD_LOV_OBJ_OSEQ = 4121UL,
LFSCK_NAMESPACE_OID = 4122UL,
REMOTE_PARENT_DIR_OID = 4123UL,
+ SLAVE_LLOG_CATALOGS_OID = 4124UL,
};
static inline void lu_local_obj_fid(struct lu_fid *fid, __u32 oid)
fid_seq(fid) == FID_SEQ_QUOTA_GLB;
}
+static inline int fid_is_name_llog(const struct lu_fid *fid)
+{
+ return fid_seq(fid) == FID_SEQ_LLOG_NAME;
+}
+
static inline int fid_is_namespace_visible(const struct lu_fid *fid)
{
const __u64 seq = fid_seq(fid);
fid_seq_is_root(seq) || fid_seq_is_dot(seq);
}
-static inline void lu_last_id_fid(struct lu_fid *fid, __u64 seq)
+static inline void lu_last_id_fid(struct lu_fid *fid, __u64 seq, __u32 ost_idx)
{
if (fid_seq_is_mdt0(seq)) {
- fid->f_seq = fid_idif_seq(0, 0);
+ fid->f_seq = fid_idif_seq(0, ost_idx);
} else {
LASSERTF(fid_seq_is_norm(seq) || fid_seq_is_echo(seq) ||
fid_seq_is_idif(seq), LPX64"\n", seq);
fid->f_ver = 0;
}
+/* seq client type */
+enum lu_cli_type {
+ LUSTRE_SEQ_METADATA = 1,
+ LUSTRE_SEQ_DATA
+};
+
enum lu_mgr_type {
LUSTRE_SEQ_SERVER,
LUSTRE_SEQ_CONTROLLER
/* Seq-server for direct talking */
struct lu_server_seq *lcs_srv;
- /* wait queue for fid allocation and update indicator */
- cfs_waitq_t lcs_waitq;
- int lcs_update;
+ /* wait queue for fid allocation and update indicator */
+ wait_queue_head_t lcs_waitq;
+ int lcs_update;
};
/* server sequence manager interface */
struct seq_server_site *lss_site;
};
-int seq_query(struct com_thread_info *info);
-int seq_handle(struct ptlrpc_request *req);
-
/* Server methods */
-int seq_server_init(struct lu_server_seq *seq,
+
+int seq_server_init(const struct lu_env *env,
+ struct lu_server_seq *seq,
struct dt_device *dev,
const char *prefix,
enum lu_mgr_type type,
- struct seq_server_site *ss,
- const struct lu_env *env);
+ struct seq_server_site *ss);
void seq_server_fini(struct lu_server_seq *seq,
const struct lu_env *env);
struct lu_seq_range *out,
const struct lu_env *env);
-int seq_server_set_cli(struct lu_server_seq *seq,
- struct lu_client_seq *cli,
- const struct lu_env *env);
+int seq_server_set_cli(const struct lu_env *env,
+ struct lu_server_seq *seq,
+ struct lu_client_seq *cli);
/* Client methods */
int seq_client_init(struct lu_client_seq *seq,
int fid_is_local(const struct lu_env *env,
struct lu_site *site, const struct lu_fid *fid);
+enum lu_cli_type;
int client_fid_init(struct obd_device *obd, struct obd_export *exp,
enum lu_cli_type type);
int client_fid_fini(struct obd_device *obd);
* renaming name[2,3] fields that need to be used for the quota identifier.
*/
static inline struct ldlm_res_id *
-fid_build_reg_res_name(const struct lu_fid *f,
- struct ldlm_res_id *name)
+fid_build_reg_res_name(const struct lu_fid *fid, struct ldlm_res_id *res)
{
- memset(name, 0, sizeof *name);
- name->name[LUSTRE_RES_ID_SEQ_OFF] = fid_seq(f);
- name->name[LUSTRE_RES_ID_VER_OID_OFF] = fid_ver_oid(f);
- return name;
+ memset(res, 0, sizeof(*res));
+ res->name[LUSTRE_RES_ID_SEQ_OFF] = fid_seq(fid);
+ res->name[LUSTRE_RES_ID_VER_OID_OFF] = fid_ver_oid(fid);
+
+ return res;
+}
+
+/*
+ * Return true if resource is for object identified by FID.
+ */
+static inline int fid_res_name_eq(const struct lu_fid *fid,
+ const struct ldlm_res_id *res)
+{
+ return res->name[LUSTRE_RES_ID_SEQ_OFF] == fid_seq(fid) &&
+ res->name[LUSTRE_RES_ID_VER_OID_OFF] == fid_ver_oid(fid);
+}
+
+/*
+ * Extract FID from LDLM resource. Reverse of fid_build_reg_res_name().
+ */
+static inline struct lu_fid *
+fid_extract_from_res_name(struct lu_fid *fid, const struct ldlm_res_id *res)
+{
+ fid->f_seq = res->name[LUSTRE_RES_ID_SEQ_OFF];
+ fid->f_oid = (__u32)(res->name[LUSTRE_RES_ID_VER_OID_OFF]);
+ fid->f_ver = (__u32)(res->name[LUSTRE_RES_ID_VER_OID_OFF] >> 32);
+ LASSERT(fid_res_name_eq(fid, res));
+
+ return fid;
}
/*
* Build (DLM) resource identifier from global quota FID and quota ID.
*/
static inline struct ldlm_res_id *
-fid_build_quota_resid(const struct lu_fid *glb_fid, union lquota_id *qid,
+fid_build_quota_res_name(const struct lu_fid *glb_fid, union lquota_id *qid,
struct ldlm_res_id *res)
{
fid_build_reg_res_name(glb_fid, res);
res->name[LUSTRE_RES_ID_QUOTA_SEQ_OFF] = fid_seq(&qid->qid_fid);
res->name[LUSTRE_RES_ID_QUOTA_VER_OID_OFF] = fid_ver_oid(&qid->qid_fid);
+
return res;
}
/*
* Extract global FID and quota ID from resource name
*/
-static inline void fid_extract_quota_resid(struct ldlm_res_id *res,
- struct lu_fid *glb_fid,
- union lquota_id *qid)
+static inline void fid_extract_from_quota_res(struct lu_fid *glb_fid,
+ union lquota_id *qid,
+ const struct ldlm_res_id *res)
{
- glb_fid->f_seq = res->name[LUSTRE_RES_ID_SEQ_OFF];
- glb_fid->f_oid = (__u32)res->name[LUSTRE_RES_ID_VER_OID_OFF];
- glb_fid->f_ver = (__u32)(res->name[LUSTRE_RES_ID_VER_OID_OFF] >> 32);
-
+ fid_extract_from_res_name(glb_fid, res);
qid->qid_fid.f_seq = res->name[LUSTRE_RES_ID_QUOTA_SEQ_OFF];
qid->qid_fid.f_oid = (__u32)res->name[LUSTRE_RES_ID_QUOTA_VER_OID_OFF];
qid->qid_fid.f_ver =
(__u32)(res->name[LUSTRE_RES_ID_QUOTA_VER_OID_OFF] >> 32);
}
-/*
- * Return true if resource is for object identified by fid.
- */
-static inline int fid_res_name_eq(const struct lu_fid *f,
- const struct ldlm_res_id *name)
-{
- return name->name[LUSTRE_RES_ID_SEQ_OFF] == fid_seq(f) &&
- name->name[LUSTRE_RES_ID_VER_OID_OFF] == fid_ver_oid(f);
-}
-
-/* reverse function of fid_build_reg_res_name() */
-static inline void fid_build_from_res_name(struct lu_fid *f,
- const struct ldlm_res_id *name)
-{
- fid_zero(f);
- f->f_seq = name->name[LUSTRE_RES_ID_SEQ_OFF];
- f->f_oid = name->name[LUSTRE_RES_ID_VER_OID_OFF] & 0xffffffff;
- f->f_ver = name->name[LUSTRE_RES_ID_VER_OID_OFF] >> 32;
- LASSERT(fid_res_name_eq(f, name));
-}
-
static inline struct ldlm_res_id *
-fid_build_pdo_res_name(const struct lu_fid *f,
- unsigned int hash,
- struct ldlm_res_id *name)
+fid_build_pdo_res_name(const struct lu_fid *fid, unsigned int hash,
+ struct ldlm_res_id *res)
{
- fid_build_reg_res_name(f, name);
- name->name[LUSTRE_RES_ID_HSH_OFF] = hash;
- return name;
+ fid_build_reg_res_name(fid, res);
+ res->name[LUSTRE_RES_ID_HSH_OFF] = hash;
+
+ return res;
}
/**
name->name[LUSTRE_RES_ID_SEQ_OFF] = ostid_id(oi);
name->name[LUSTRE_RES_ID_VER_OID_OFF] = ostid_seq(oi);
} else {
- fid_build_reg_res_name((struct lu_fid *)oi, name);
- }
-}
-
-static inline void ostid_res_name_to_id(struct ost_id *oi,
- struct ldlm_res_id *name)
-{
- if (fid_seq_is_mdt0(name->name[LUSTRE_RES_ID_SEQ_OFF])) {
- /* old resid */
- ostid_set_seq(oi, name->name[LUSTRE_RES_ID_VER_OID_OFF]);
- ostid_set_id(oi, name->name[LUSTRE_RES_ID_SEQ_OFF]);
- } else {
- /* new resid */
- fid_build_from_res_name((struct lu_fid *)oi, name);
+ fid_build_reg_res_name(&oi->oi_fid, name);
}
}
}
static inline void ost_fid_from_resid(struct lu_fid *fid,
- const struct ldlm_res_id *name)
+ const struct ldlm_res_id *name,
+ int ost_idx)
{
if (fid_seq_is_mdt0(name->name[LUSTRE_RES_ID_VER_OID_OFF])) {
/* old resid */
struct ost_id oi;
ostid_set_seq(&oi, name->name[LUSTRE_RES_ID_VER_OID_OFF]);
ostid_set_id(&oi, name->name[LUSTRE_RES_ID_SEQ_OFF]);
- ostid_to_fid(fid, &oi, 0);
+ ostid_to_fid(fid, &oi, ost_idx);
} else {
/* new resid */
- fid_build_from_res_name(fid, name);
+ fid_extract_from_res_name(fid, name);
}
}
static inline __u32 fid_hash(const struct lu_fid *f, int bits)
{
- /* all objects with same id and different versions will belong to same
- * collisions list. */
- return cfs_hash_long(fid_flatten(f), bits);
+ /* all objects with same id and different versions will belong to same
+ * collisions list. */
+ return hash_long(fid_flatten(f), bits);
}
/**
dst->lsr_flags = be32_to_cpu(src->lsr_flags);
}
+static inline void range_array_cpu_to_le(struct lu_seq_range_array *dst,
+ const struct lu_seq_range_array *src)
+{
+ int i;
+
+ for (i = 0; i < src->lsra_count; i++)
+ range_cpu_to_le(&dst->lsra_lsr[i], &src->lsra_lsr[i]);
+
+ dst->lsra_count = cpu_to_le32(src->lsra_count);
+}
+
+static inline void range_array_le_to_cpu(struct lu_seq_range_array *dst,
+ const struct lu_seq_range_array *src)
+{
+ int i;
+
+ dst->lsra_count = le32_to_cpu(src->lsra_count);
+ for (i = 0; i < dst->lsra_count; i++)
+ range_le_to_cpu(&dst->lsra_lsr[i], &src->lsra_lsr[i]);
+}
+
/** @} fid */
-#endif /* __LINUX_FID_H */
+#endif /* __LUSTRE_FID_H */