X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Flmv%2Flmv_internal.h;h=daf6a7b85a82dee9164328c57738a752ff310ccf;hb=cb85c0364fd8323f4bb03c481660805da66aaf85;hp=78e400905a6a29e70a079ade155226fc21323852;hpb=5f3e926ac9ff8ad134ad920d0e8545e16395ef3b;p=fs%2Flustre-release.git diff --git a/lustre/lmv/lmv_internal.h b/lustre/lmv/lmv_internal.h index 78e4009..daf6a7b 100644 --- a/lustre/lmv/lmv_internal.h +++ b/lustre/lmv/lmv_internal.h @@ -52,21 +52,8 @@ int lmv_check_connect(struct obd_device *obd); int lmv_intent_lock(struct obd_export *exp, struct md_op_data *op_data, - void *lmm, int lmmsize, struct lookup_intent *it, - int flags, struct ptlrpc_request **reqp, - ldlm_blocking_callback cb_blocking, - __u64 extra_lock_flags); - -int lmv_intent_lookup(struct obd_export *exp, struct md_op_data *op_data, - void *lmm, int lmmsize, struct lookup_intent *it, - int flags, struct ptlrpc_request **reqp, - ldlm_blocking_callback cb_blocking, - __u64 extra_lock_flags); - -int lmv_intent_open(struct obd_export *exp, struct md_op_data *op_data, - void *lmm, int lmmsize, struct lookup_intent *it, - int flags, struct ptlrpc_request **reqp, - ldlm_blocking_callback cb_blocking, + struct lookup_intent *it, struct ptlrpc_request **reqp, + ldlm_blocking_callback cb_blocking, __u64 extra_lock_flags); int lmv_blocking_ast(struct ldlm_lock *, struct ldlm_lock_desc *, @@ -75,8 +62,8 @@ int lmv_fld_lookup(struct lmv_obd *lmv, const struct lu_fid *fid, mdsno_t *mds); int __lmv_fid_alloc(struct lmv_obd *lmv, struct lu_fid *fid, mdsno_t mds); -int lmv_fid_alloc(struct obd_export *exp, struct lu_fid *fid, - struct md_op_data *op_data); +int lmv_fid_alloc(const struct lu_env *env, struct obd_export *exp, + struct lu_fid *fid, struct md_op_data *op_data); int lmv_unpack_md(struct obd_export *exp, struct lmv_stripe_md **lsmp, const union lmv_mds_md *lmm, int stripe_count); @@ -87,35 +74,55 @@ int lmv_revalidate_slaves(struct obd_export *exp, struct mdt_body *mbody, int extra_lock_flags); static inline struct lmv_tgt_desc * -lmv_get_target(struct lmv_obd *lmv, mdsno_t mds) +lmv_get_target(struct lmv_obd *lmv, mdsno_t mdt_idx, int *index) { - int count = lmv->desc.ld_tgt_count; int i; - for (i = 0; i < count; i++) { + for (i = 0; i < lmv->desc.ld_tgt_count; i++) { if (lmv->tgts[i] == NULL) continue; - if (lmv->tgts[i]->ltd_idx == mds) + if (lmv->tgts[i]->ltd_idx == mdt_idx) { + if (index != NULL) + *index = i; return lmv->tgts[i]; + } } return ERR_PTR(-ENODEV); } +static inline int +lmv_find_target_index(struct lmv_obd *lmv, const struct lu_fid *fid) +{ + struct lmv_tgt_desc *ltd; + mdsno_t mdt_idx = 0; + int index = 0; + + if (lmv->desc.ld_tgt_count > 1) { + int rc; + rc = lmv_fld_lookup(lmv, fid, &mdt_idx); + if (rc < 0) + return rc; + } + + ltd = lmv_get_target(lmv, mdt_idx, &index); + if (IS_ERR(ltd)) + return PTR_ERR(ltd); + + return index; +} + static inline struct lmv_tgt_desc * lmv_find_target(struct lmv_obd *lmv, const struct lu_fid *fid) { - mdsno_t mds = 0; - int rc; + int index; - if (lmv->desc.ld_tgt_count > 1) { - rc = lmv_fld_lookup(lmv, fid, &mds); - if (rc) - return ERR_PTR(rc); - } + index = lmv_find_target_index(lmv, fid); + if (index < 0) + return ERR_PTR(index); - return lmv_get_target(lmv, mds); + return lmv->tgts[index]; } static inline int lmv_stripe_md_size(int stripe_count) @@ -138,12 +145,17 @@ lsm_name_to_stripe_info(const struct lmv_stripe_md *lsm, const char *name, stripe_index = lmv_name_to_stripe_index(lsm->lsm_md_hash_type, lsm->lsm_md_stripe_count, name, namelen); - LASSERT(stripe_index < lsm->lsm_md_stripe_count); + if (stripe_index < 0) + return ERR_PTR(stripe_index); + + LASSERTF(stripe_index < lsm->lsm_md_stripe_count, + "stripe_index = %d, stripe_count = %d hash_type = %x" + "name = %.*s\n", stripe_index, lsm->lsm_md_stripe_count, + lsm->lsm_md_hash_type, namelen, name); return &lsm->lsm_md_oinfo[stripe_index]; } - struct lmv_tgt_desc *lmv_locate_mds(struct lmv_obd *lmv, struct md_op_data *op_data, struct lu_fid *fid);