#include <linux/lustre_lib.h>
#include <linux/lustre_idl.h>
#include <linux/lprocfs_status.h>
+#include <linux/lustre_mds.h>
/* OBD Device Declarations */
#define MAX_OBD_DEVICES 256
/* genops.c */
struct obd_export *class_conn2export(struct lustre_handle *);
-int class_register_type(struct obd_ops *ops, struct lprocfs_vars *, char *nm);
+int class_register_type(struct obd_ops *ops, struct md_ops *md_ops,
+ struct lprocfs_vars *, char *nm);
int class_unregister_type(char *nm);
struct obd_device *class_newdev(int *dev);
#define OBT(dev) (dev)->obd_type
#define OBP(dev, op) (dev)->obd_type->typ_ops->o_ ## op
+#define MDP(dev, op) (dev)->obd_type->typ_md_ops->m_ ## op
#define CTXTP(ctxt, op) (ctxt)->loc_logops->lop_##op
/* Ensure obd_setup: used for disconnect which might be called while
LASSERT(coffset < obd->obd_stats->ls_num); \
lprocfs_counter_incr(obd->obd_stats, coffset); \
}
+/* FIXME: real accounting here */
+#define MD_COUNTER_INCREMENT(obd, op)
#else
#define OBD_COUNTER_OFFSET(op)
#define OBD_COUNTER_INCREMENT(obd, op)
+#define MD_COUNTER_INCREMENT(obd, op)
#endif
+#define OBD_CHECK_MD_OP(obd, op, err) \
+do { \
+ if (!OBT(obd) || !MDP((obd), op)) {\
+ if (err) \
+ CERROR("obd_md" #op ": dev %d no operation\n", \
+ obd->obd_minor); \
+ RETURN(err); \
+ } \
+} while (0)
+
+#define EXP_CHECK_MD_OP(exp, op) \
+do { \
+ if ((exp) == NULL) { \
+ CERROR("obd_" #op ": NULL export\n"); \
+ RETURN(-ENODEV); \
+ } \
+ if ((exp)->exp_obd == NULL || !OBT((exp)->exp_obd)) { \
+ CERROR("obd_" #op ": cleaned up obd\n"); \
+ RETURN(-EOPNOTSUPP); \
+ } \
+ if (!OBT((exp)->exp_obd) || !MDP((exp)->exp_obd, op)) { \
+ CERROR("obd_" #op ": dev %d no operation\n", \
+ (exp)->exp_obd->obd_minor); \
+ RETURN(-EOPNOTSUPP); \
+ } \
+} while (0)
+
#define OBD_CHECK_OP(obd, op, err) \
do { \
if (!OBT(obd) || !OBP((obd), op)) {\
{
LASSERT(exp->exp_obd);
- return lvfs_fid2dentry(&exp->exp_obd->obd_lvfs_ctxt, id_ino, gen, gr,
+ return lvfs_fid2dentry(&exp->exp_obd->obd_ctxt, id_ino, gen, gr,
exp->exp_obd);
}
#define time_before(t1, t2) ((long)t2 - (long)t1 > 0)
#endif
-/* @max_age is the oldest time in jiffies that we accept using a cached data.
- * If the cache is older than @max_age we will get a new value from the
- * target. Use a value of "jiffies + HZ" to guarantee freshness. */
static inline int obd_statfs(struct obd_device *obd, struct obd_statfs *osfs,
unsigned long max_age)
{
CDEBUG(D_SUPER, "osfs %lu, max_age %lu\n", obd->obd_osfs_age, max_age);
if (time_before(obd->obd_osfs_age, max_age)) {
rc = OBP(obd, statfs)(obd, osfs, max_age);
- if (rc == 0) {
- spin_lock(&obd->obd_osfs_lock);
- memcpy(&obd->obd_osfs, osfs, sizeof(obd->obd_osfs));
- obd->obd_osfs_age = jiffies;
- spin_unlock(&obd->obd_osfs_lock);
- }
+ spin_lock(&obd->obd_osfs_lock);
+ memcpy(&obd->obd_osfs, osfs, sizeof(obd->obd_osfs));
+ obd->obd_osfs_age = jiffies;
+ spin_unlock(&obd->obd_osfs_lock);
} else {
CDEBUG(D_SUPER, "using cached obd_statfs data\n");
spin_lock(&obd->obd_osfs_lock);
}
}
+static inline int obd_llog_connect(struct obd_device *obd,
+ struct llogd_conn_body *body)
+{
+ ENTRY;
+ if (!obd->obd_set_up) {
+ CERROR("obd %s not set up\n", obd->obd_name);
+ return -EINVAL;
+ }
+
+ if (!OBP(obd, llog_connect)) {
+ CERROR("obd %s has no llog_connect handler\n", obd->obd_name);
+ return -ENOSYS;
+ }
+
+ return OBP(obd, llog_connect)(obd, body);
+}
+
static inline int obd_notify(struct obd_device *obd,
struct obd_device *watched,
int active)
RETURN(0);
}
+static inline int obd_init_ea_size(struct obd_export *exp, int size, int size2)
+{
+ int rc;
+ ENTRY;
+ LASSERT(OBP(exp->exp_obd, init_ea_size) != NULL);
+ OBD_COUNTER_INCREMENT(exp->exp_obd, init_ea_size);
+ rc = OBP(exp->exp_obd, init_ea_size)(exp, size, size2);
+ RETURN(rc);
+}
+
+static inline int md_getstatus(struct obd_export *exp, struct ll_fid *fid)
+{
+ int rc;
+
+ EXP_CHECK_MD_OP(exp, getstatus);
+ MD_COUNTER_INCREMENT(exp->exp_obd, getstatus);
+ rc = MDP(exp->exp_obd, getstatus)(exp, fid);
+ RETURN(rc);
+}
+
+static inline int md_getattr(struct obd_export *exp, struct ll_fid *fid,
+ unsigned long valid, unsigned int ea_size,
+ struct ptlrpc_request **request)
+{
+ int rc;
+ EXP_CHECK_MD_OP(exp, getattr);
+ MD_COUNTER_INCREMENT(exp->exp_obd, getattr);
+ rc = MDP(exp->exp_obd, getattr)(exp, fid, valid, ea_size, request);
+ RETURN(rc);
+}
+
+static inline int md_change_cbdata(struct obd_export *exp, struct ll_fid *fid,
+ ldlm_iterator_t it, void *data)
+{
+ int rc;
+ ENTRY;
+ EXP_CHECK_MD_OP(exp, change_cbdata);
+ MD_COUNTER_INCREMENT(exp->exp_obd, change_cbdata);
+ rc = MDP(exp->exp_obd, change_cbdata)(exp, fid, it, data);
+ RETURN(rc);
+}
+
+static inline int md_change_cbdata_name(struct obd_export *exp,
+ struct ll_fid *fid, char *name,
+ int namelen, struct ll_fid *fid2,
+ ldlm_iterator_t it, void *data)
+{
+ int rc;
+ ENTRY;
+ EXP_CHECK_MD_OP(exp, change_cbdata_name);
+ MD_COUNTER_INCREMENT(exp->exp_obd, change_cbdata_name);
+ rc = MDP(exp->exp_obd, change_cbdata_name)(exp, fid, name, namelen,
+ fid2, it, data);
+ RETURN(rc);
+}
+
+static inline int md_close(struct obd_export *exp, struct obdo *obdo,
+ struct obd_client_handle *och,
+ struct ptlrpc_request **request)
+{
+ int rc;
+ ENTRY;
+ EXP_CHECK_MD_OP(exp, close);
+ MD_COUNTER_INCREMENT(exp->exp_obd, close);
+ rc = MDP(exp->exp_obd, close)(exp, obdo, och, request);
+ RETURN(rc);
+}
+
+static inline int md_create(struct obd_export *exp, struct mdc_op_data *op_data,
+ const void *data, int datalen, int mode,
+ __u32 uid, __u32 gid, __u64 rdev,
+ struct ptlrpc_request **request)
+{
+ int rc;
+ ENTRY;
+ EXP_CHECK_MD_OP(exp, create);
+ MD_COUNTER_INCREMENT(exp->exp_obd, create);
+ rc = MDP(exp->exp_obd, create)(exp, op_data, data, datalen, mode,
+ uid, gid, rdev, request);
+ RETURN(rc);
+}
+
+static inline int md_done_writing(struct obd_export *exp, struct obdo *obdo)
+{
+ int rc;
+ ENTRY;
+ EXP_CHECK_MD_OP(exp, done_writing);
+ MD_COUNTER_INCREMENT(exp->exp_obd, done_writing);
+ rc = MDP(exp->exp_obd, done_writing)(exp, obdo);
+ RETURN(rc);
+}
+
+static inline int md_enqueue(struct obd_export *exp, int lock_type,
+ struct lookup_intent *it, int lock_mode,
+ struct mdc_op_data *data,
+ struct lustre_handle *lockh,
+ void *lmm, int lmmsize,
+ ldlm_completion_callback cb_completion,
+ ldlm_blocking_callback cb_blocking,
+ void *cb_data)
+{
+ int rc;
+ ENTRY;
+ EXP_CHECK_MD_OP(exp, enqueue);
+ MD_COUNTER_INCREMENT(exp->exp_obd, enqueue);
+ rc = MDP(exp->exp_obd, enqueue)(exp, lock_type, it, lock_mode,
+ data, lockh, lmm, lmmsize,
+ cb_completion, cb_blocking,
+ cb_data);
+ RETURN(rc);
+}
+
+static inline int md_getattr_name(struct obd_export *exp, struct ll_fid *fid,
+ char *filename, int namelen,
+ unsigned long valid, unsigned int ea_size,
+ struct ptlrpc_request **request)
+{
+ int rc;
+ ENTRY;
+ EXP_CHECK_MD_OP(exp, getattr_name);
+ MD_COUNTER_INCREMENT(exp->exp_obd, getattr_name);
+ rc = MDP(exp->exp_obd, getattr_name)(exp, fid, filename, namelen,
+ valid, ea_size, request);
+ RETURN(rc);
+}
+
+static inline int md_intent_lock(struct obd_export *exp, struct ll_uctxt *uctxt,
+ struct ll_fid *pfid, const char *name,
+ int len, void *lmm, int lmmsize,
+ struct ll_fid *cfid, struct lookup_intent *it,
+ int flags, struct ptlrpc_request **reqp,
+ ldlm_blocking_callback cb_blocking)
+{
+ int rc;
+ ENTRY;
+ EXP_CHECK_MD_OP(exp, intent_lock);
+ MD_COUNTER_INCREMENT(exp->exp_obd, intent_lock);
+ rc = MDP(exp->exp_obd, intent_lock)(exp, uctxt, pfid, name, len,
+ lmm, lmmsize, cfid, it, flags,
+ reqp, cb_blocking);
+ RETURN(rc);
+}
+
+static inline int md_link(struct obd_export *exp, struct mdc_op_data *data,
+ struct ptlrpc_request **request)
+{
+ int rc;
+ ENTRY;
+ EXP_CHECK_MD_OP(exp, link);
+ MD_COUNTER_INCREMENT(exp->exp_obd, link);
+ rc = MDP(exp->exp_obd, link)(exp, data, request);
+ RETURN(rc);
+}
+
+static inline int md_rename(struct obd_export *exp,
+ struct mdc_op_data *data,
+ const char *old, int oldlen,
+ const char *new, int newlen,
+ struct ptlrpc_request **request)
+{
+ int rc;
+ ENTRY;
+ EXP_CHECK_MD_OP(exp, rename);
+ MD_COUNTER_INCREMENT(exp->exp_obd, rename);
+ rc = MDP(exp->exp_obd, rename)(exp, data, old, oldlen, new,
+ newlen, request);
+ RETURN(rc);
+}
+
+static inline int md_setattr(struct obd_export *exp, struct mdc_op_data *data,
+ struct iattr *iattr, void *ea, int ealen,
+ void *ea2, int ea2len,
+ struct ptlrpc_request **request)
+{
+ int rc;
+ ENTRY;
+ EXP_CHECK_MD_OP(exp, setattr);
+ MD_COUNTER_INCREMENT(exp->exp_obd, setattr);
+ rc = MDP(exp->exp_obd, setattr)(exp, data, iattr, ea, ealen,
+ ea2, ea2len, request);
+ RETURN(rc);
+}
+
+static inline int md_sync(struct obd_export *exp, struct ll_fid *fid,
+ struct ptlrpc_request **request)
+{
+ int rc;
+ ENTRY;
+ EXP_CHECK_MD_OP(exp, sync);
+ MD_COUNTER_INCREMENT(exp->exp_obd, sync);
+ rc = MDP(exp->exp_obd, sync)(exp, fid, request);
+ RETURN(rc);
+}
+
+static inline int md_readpage(struct obd_export *exp, struct ll_fid *fid,
+ __u64 offset, struct page *page,
+ struct ptlrpc_request **request)
+{
+ int rc;
+ ENTRY;
+ EXP_CHECK_MD_OP(exp, readpage);
+ MD_COUNTER_INCREMENT(exp->exp_obd, readpage);
+ rc = MDP(exp->exp_obd, readpage)(exp, fid, offset, page, request);
+ RETURN(rc);
+}
+
+static inline int md_unlink(struct obd_export *exp, struct mdc_op_data *data,
+ struct ptlrpc_request **request)
+{
+ int rc;
+ ENTRY;
+ EXP_CHECK_MD_OP(exp, unlink);
+ MD_COUNTER_INCREMENT(exp->exp_obd, unlink);
+ rc = MDP(exp->exp_obd, unlink)(exp, data, request);
+ RETURN(rc);
+}
+
+static inline struct obd_device * md_get_real_obd(struct obd_export *exp,
+ char *name, int len)
+{
+ ENTRY;
+ if (MDP(exp->exp_obd, get_real_obd) == NULL)
+ return exp->exp_obd;
+ MD_COUNTER_INCREMENT(exp->exp_obd, get_real_obd);
+ return MDP(exp->exp_obd, get_real_obd)(exp, name, len);
+}
+
+static inline int md_valid_attrs(struct obd_export *exp, struct ll_fid *fid)
+{
+ ENTRY;
+ EXP_CHECK_MD_OP(exp, valid_attrs);
+ MD_COUNTER_INCREMENT(exp->exp_obd, valid_attrs);
+ return MDP(exp->exp_obd, valid_attrs)(exp, fid);
+}
+
/* OBD Metadata Support */
extern int obd_init_caches(void);
void class_uuid_unparse(class_uuid_t in, struct obd_uuid *out);
/* lustre_peer.c */
-int lustre_uuid_to_peer(char *uuid, __u32 *peer_nal, ptl_nid_t *peer_nid);
+int lustre_uuid_to_peer(char *uuid, ptl_handle_ni_t *peer_ni, ptl_nid_t *peer_nid);
int class_add_uuid(char *uuid, __u64 nid, __u32 nal);
int class_del_uuid (char *uuid);
void class_init_uuidlist(void);
void class_exit_uuidlist(void);
+
+/* mea.c */
+int mea_name2idx(struct mea *mea, char *name, int namelen);
+
#endif /* __LINUX_OBD_CLASS_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff