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Diffstat (limited to 'drivers/staging/lustre/lustre/include/lustre_fid.h')
-rw-r--r--drivers/staging/lustre/lustre/include/lustre_fid.h125
1 files changed, 68 insertions, 57 deletions
diff --git a/drivers/staging/lustre/lustre/include/lustre_fid.h b/drivers/staging/lustre/lustre/include/lustre_fid.h
index 7d20cba07287..d9d5814e318d 100644
--- a/drivers/staging/lustre/lustre/include/lustre_fid.h
+++ b/drivers/staging/lustre/lustre/include/lustre_fid.h
@@ -38,8 +38,8 @@
* 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
*
@@ -154,13 +154,12 @@
#include <linux/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;
@@ -320,6 +319,12 @@ static inline void lu_last_id_fid(struct lu_fid *fid, __u64 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
@@ -341,7 +346,7 @@ struct lu_client_seq {
struct lu_seq_range lcs_space;
/* Seq related proc */
- proc_dir_entry_t *lcs_proc_dir;
+ struct proc_dir_entry *lcs_proc_dir;
/* This holds last allocated fid in last obtained seq */
struct lu_fid lcs_fid;
@@ -388,7 +393,7 @@ struct lu_server_seq {
struct dt_object *lss_obj;
/* Seq related proc */
- proc_dir_entry_t *lss_proc_dir;
+ struct proc_dir_entry *lss_proc_dir;
/* LUSTRE_SEQ_SERVER or LUSTRE_SEQ_CONTROLLER */
enum lu_mgr_type lss_type;
@@ -426,10 +431,14 @@ struct lu_server_seq {
struct seq_server_site *lss_site;
};
+struct com_thread_info;
int seq_query(struct com_thread_info *info);
+
+struct ptlrpc_request;
int seq_handle(struct ptlrpc_request *req);
/* Server methods */
+
int seq_server_init(struct lu_server_seq *seq,
struct dt_device *dev,
const char *prefix,
@@ -472,6 +481,7 @@ int seq_site_fini(const struct lu_env *env, struct seq_server_site *ss);
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);
@@ -488,74 +498,75 @@ struct ldlm_namespace;
* 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;
}
/**
@@ -584,7 +595,7 @@ static inline void ostid_build_res_name(struct ost_id *oi,
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);
+ fid_build_reg_res_name(&oi->oi_fid, name);
}
}
@@ -597,7 +608,7 @@ static inline void ostid_res_name_to_id(struct ost_id *oi,
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_extract_from_res_name(&oi->oi_fid, name);
}
}
@@ -644,7 +655,7 @@ static inline void ost_fid_from_resid(struct lu_fid *fid,
ostid_to_fid(fid, &oi, 0);
} else {
/* new resid */
- fid_build_from_res_name(fid, name);
+ fid_extract_from_res_name(fid, name);
}
}
@@ -666,14 +677,14 @@ static inline __u64 fid_flatten(const struct lu_fid *fid)
if (fid_is_igif(fid)) {
ino = lu_igif_ino(fid);
- RETURN(ino);
+ return ino;
}
seq = fid_seq(fid);
ino = (seq << 24) + ((seq >> 24) & 0xffffff0000ULL) + fid_oid(fid);
- RETURN(ino ? ino : fid_oid(fid));
+ return ino ? ino : fid_oid(fid);
}
static inline __u32 fid_hash(const struct lu_fid *f, int bits)
@@ -692,7 +703,7 @@ static inline __u32 fid_flatten32(const struct lu_fid *fid)
if (fid_is_igif(fid)) {
ino = lu_igif_ino(fid);
- RETURN(ino);
+ return ino;
}
seq = fid_seq(fid) - FID_SEQ_START;
@@ -706,7 +717,7 @@ static inline __u32 fid_flatten32(const struct lu_fid *fid)
(seq >> (64 - (40-8)) & 0xffffff00) +
(fid_oid(fid) & 0xff000fff) + ((fid_oid(fid) & 0x00fff000) << 8);
- RETURN(ino ? ino : fid_oid(fid));
+ return ino ? ino : fid_oid(fid);
}
static inline int lu_fid_diff(struct lu_fid *fid1, struct lu_fid *fid2)
@@ -759,4 +770,4 @@ static inline void range_be_to_cpu(struct lu_seq_range *dst, const struct lu_seq
/** @} fid */
-#endif /* __LINUX_FID_H */
+#endif /* __LUSTRE_FID_H */
generated by cgit v1.2.3 (git 2.0.4) at 2024-06-01 16:40:28 +0000