X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fobdclass%2Flocal_storage.c;h=04c25ebd88274ae6787c610c95e65328e0fd0398;hb=3ec13d260bf6b18dd741d38f16eaf5cf567b8aef;hp=d12469071df241396bdfc7c3f68efce58c3c479f;hpb=0754bc8f2623bea184111af216f7567608db35b6;p=fs%2Flustre-release.git diff --git a/lustre/obdclass/local_storage.c b/lustre/obdclass/local_storage.c index d124690..04c25eb 100644 --- a/lustre/obdclass/local_storage.c +++ b/lustre/obdclass/local_storage.c @@ -20,7 +20,7 @@ * GPL HEADER END */ /* - * Copyright (c) 2012, 2015, Intel Corporation. + * Copyright (c) 2012, 2017, Intel Corporation. */ /* * lustre/obdclass/local_storage.c @@ -35,7 +35,7 @@ #include "local_storage.h" /* all initialized local storages on this node are linked on this */ -static struct list_head ls_list_head = LIST_HEAD_INIT(ls_list_head); +static LIST_HEAD(ls_list_head); static DEFINE_MUTEX(ls_list_mutex); static int ls_object_init(const struct lu_env *env, struct lu_object *o, @@ -339,7 +339,7 @@ static struct dt_object *__local_file_create(const struct lu_env *env, } rec->rec_fid = fid; - rec->rec_type = dto->do_lu.lo_header->loh_attr; + rec->rec_type = attr->la_mode & S_IFMT; rc = dt_declare_insert(env, parent, (const struct dt_rec *)rec, (const struct dt_key *)name, th); if (rc) @@ -349,11 +349,14 @@ static struct dt_object *__local_file_create(const struct lu_env *env, if (!dt_try_as_dir(env, dto)) GOTO(trans_stop, rc = -ENOTDIR); + rec->rec_type = S_IFDIR; + rec->rec_fid = fid; rc = dt_declare_insert(env, dto, (const struct dt_rec *)rec, (const struct dt_key *)".", th); if (rc != 0) GOTO(trans_stop, rc); + rec->rec_fid = lu_object_fid(&parent->do_lu); rc = dt_declare_insert(env, dto, (const struct dt_rec *)rec, (const struct dt_key *)"..", th); if (rc != 0) @@ -368,7 +371,7 @@ static struct dt_object *__local_file_create(const struct lu_env *env, if (rc) GOTO(trans_stop, rc); - dt_write_lock(env, dto, 0); + dt_write_lock(env, dto, LOS_CHILD); if (dt_object_exists(dto)) GOTO(unlock, rc = 0); @@ -385,23 +388,23 @@ static struct dt_object *__local_file_create(const struct lu_env *env, rec->rec_fid = fid; /* Add "." and ".." for newly created dir */ rc = dt_insert(env, dto, (const struct dt_rec *)rec, - (const struct dt_key *)".", th, 1); + (const struct dt_key *)".", th); if (rc != 0) GOTO(destroy, rc); dt_ref_add(env, dto, th); rec->rec_fid = lu_object_fid(&parent->do_lu); rc = dt_insert(env, dto, (const struct dt_rec *)rec, - (const struct dt_key *)"..", th, 1); + (const struct dt_key *)"..", th); if (rc != 0) GOTO(destroy, rc); } rec->rec_fid = fid; rec->rec_type = dto->do_lu.lo_header->loh_attr; - dt_write_lock(env, parent, 0); + dt_write_lock(env, parent, LOS_PARENT); rc = dt_insert(env, parent, (const struct dt_rec *)rec, - (const struct dt_key *)name, th, 1); + (const struct dt_key *)name, th); if (dti->dti_dof.dof_type == DFT_DIR) dt_ref_add(env, parent, th); dt_write_unlock(env, parent); @@ -416,12 +419,34 @@ trans_stop: dt_trans_stop(env, ls->ls_osd, th); out: if (rc) { - lu_object_put_nocache(env, &dto->do_lu); + dt_object_put_nocache(env, dto); dto = ERR_PTR(rc); } RETURN(dto); } +struct dt_object *local_file_find(const struct lu_env *env, + struct local_oid_storage *los, + struct dt_object *parent, + const char *name) +{ + struct dt_thread_info *dti = dt_info(env); + struct dt_object *dto; + int rc; + + LASSERT(parent); + + rc = dt_lookup_dir(env, parent, name, &dti->dti_fid); + if (!rc) + dto = ls_locate(env, dt2ls_dev(los->los_dev), + &dti->dti_fid, NULL); + else + dto = ERR_PTR(rc); + + return dto; +} +EXPORT_SYMBOL(local_file_find); + /* * Look up and create (if it does not exist) a local named file or directory in * parent directory. @@ -435,30 +460,21 @@ struct dt_object *local_file_find_or_create(const struct lu_env *env, struct dt_object *dto; int rc; - LASSERT(parent); + dto = local_file_find(env, los, parent, name); + if (!IS_ERR(dto) || PTR_ERR(dto) != -ENOENT) + return dto; - rc = dt_lookup_dir(env, parent, name, &dti->dti_fid); - if (rc == 0) - /* name is found, get the object */ - dto = ls_locate(env, dt2ls_dev(los->los_dev), - &dti->dti_fid, NULL); - else if (rc != -ENOENT) - dto = ERR_PTR(rc); - else { - rc = local_object_fid_generate(env, los, &dti->dti_fid); - if (rc < 0) { - dto = ERR_PTR(rc); - } else { - /* create the object */ - dti->dti_attr.la_valid = LA_MODE; - dti->dti_attr.la_mode = mode; - dti->dti_dof.dof_type = dt_mode_to_dft(mode & S_IFMT); - dto = __local_file_create(env, &dti->dti_fid, los, - dt2ls_dev(los->los_dev), - parent, name, &dti->dti_attr, - &dti->dti_dof); - } - } + rc = local_object_fid_generate(env, los, &dti->dti_fid); + if (rc) + return ERR_PTR(rc); + + /* create the object */ + dti->dti_attr.la_valid = LA_MODE; + dti->dti_attr.la_mode = mode; + dti->dti_dof.dof_type = dt_mode_to_dft(mode & S_IFMT); + dto = __local_file_create(env, &dti->dti_fid, los, + dt2ls_dev(los->los_dev), parent, name, + &dti->dti_attr, &dti->dti_dof); return dto; } EXPORT_SYMBOL(local_file_find_or_create); @@ -499,7 +515,7 @@ struct dt_object *local_file_find_or_create_with_fid(const struct lu_env *env, * have to open the object in other device stack */ if (!IS_ERR(dto)) { dti->dti_fid = dto->do_lu.lo_header->loh_fid; - lu_object_put_nocache(env, &dto->do_lu); + dt_object_put_nocache(env, dto); dto = dt_locate(env, dt, &dti->dti_fid); } ls_device_put(env, ls); @@ -595,7 +611,7 @@ local_index_find_or_create_with_fid(const struct lu_env *env, * have to open the object in other device stack */ if (!IS_ERR(dto)) { dti->dti_fid = dto->do_lu.lo_header->loh_fid; - lu_object_put_nocache(env, &dto->do_lu); + dt_object_put_nocache(env, dto); dto = dt_locate(env, dt, &dti->dti_fid); } ls_device_put(env, ls); @@ -668,7 +684,7 @@ int local_object_unlink(const struct lu_env *env, struct dt_device *dt, rec->rec_fid = &dti->dti_fid; rec->rec_type = dto->do_lu.lo_header->loh_attr; rc = dt_insert(env, parent, (const struct dt_rec *)rec, - (const struct dt_key *)name, th, 1); + (const struct dt_key *)name, th); GOTO(unlock, rc); } @@ -678,7 +694,7 @@ unlock: stop: dt_trans_stop(env, dt, th); out: - lu_object_put_nocache(env, &dto->do_lu); + dt_object_put_nocache(env, dto); return rc; } EXPORT_SYMBOL(local_object_unlink); @@ -728,10 +744,10 @@ static int lastid_compat_check(const struct lu_env *env, struct dt_device *dev, return PTR_ERR(root); /* find old last_id file */ - snprintf(dti->dti_buf, sizeof(dti->dti_buf), "seq-"LPX64"-lastid", + snprintf(dti->dti_buf, sizeof(dti->dti_buf), "seq-%#llx-lastid", lastid_seq); rc = dt_lookup_dir(env, root, dti->dti_buf, &dti->dti_fid); - lu_object_put_nocache(env, &root->do_lu); + dt_object_put_nocache(env, root); if (rc == -ENOENT) { /* old llog lastid accessed by FID only */ if (lastid_seq != FID_SEQ_LLOG) @@ -744,14 +760,14 @@ static int lastid_compat_check(const struct lu_env *env, struct dt_device *dev, return PTR_ERR(o); if (!dt_object_exists(o)) { - lu_object_put_nocache(env, &o->do_lu); + dt_object_put_nocache(env, o); return 0; } CDEBUG(D_INFO, "Found old llog lastid file\n"); } else if (rc < 0) { return rc; } else { - CDEBUG(D_INFO, "Found old lastid file for sequence "LPX64"\n", + CDEBUG(D_INFO, "Found old lastid file for sequence %#llx\n", lastid_seq); o = ls_locate(env, ls, &dti->dti_fid, NULL); if (IS_ERR(o)) @@ -766,15 +782,15 @@ static int lastid_compat_check(const struct lu_env *env, struct dt_device *dev, rc = dt_record_read(env, o, &dti->dti_lb, &dti->dti_off); dt_read_unlock(env, o); if (rc == 0 && le32_to_cpu(losd.lso_magic) != LOS_MAGIC) { - CERROR("%s: wrong content of seq-"LPX64"-lastid file, magic %x\n", + CERROR("%s: wrong content of seq-%#llx-lastid file, magic %x\n", o->do_lu.lo_dev->ld_obd->obd_name, lastid_seq, le32_to_cpu(losd.lso_magic)); rc = -EINVAL; } else if (rc < 0) { - CERROR("%s: failed to read seq-"LPX64"-lastid: rc = %d\n", + CERROR("%s: failed to read seq-%#llx-lastid: rc = %d\n", o->do_lu.lo_dev->ld_obd->obd_name, lastid_seq, rc); } - lu_object_put_nocache(env, &o->do_lu); + dt_object_put_nocache(env, o); if (rc == 0) *first_oid = le32_to_cpu(losd.lso_next_oid); return rc; @@ -898,7 +914,7 @@ out_trans: rc = dt_record_read(env, o, &dti->dti_lb, &dti->dti_off); dt_read_unlock(env, o); if (rc == 0 && le64_to_cpu(lastid) > OBIF_MAX_OID) { - CERROR("%s: bad oid "LPU64" is read from LAST_ID\n", + CERROR("%s: bad oid %llu is read from LAST_ID\n", o->do_lu.lo_dev->ld_obd->obd_name, le64_to_cpu(lastid)); rc = -EINVAL; @@ -911,7 +927,7 @@ out_los: OBD_FREE_PTR(*los); *los = NULL; if (o != NULL && !IS_ERR(o)) - lu_object_put_nocache(env, &o->do_lu); + dt_object_put_nocache(env, o); } else { (*los)->los_seq = fid_seq(first_fid); (*los)->los_last_oid = le64_to_cpu(lastid); @@ -948,7 +964,7 @@ void local_oid_storage_fini(const struct lu_env *env, } if (los->los_obj) - lu_object_put_nocache(env, &los->los_obj->do_lu); + dt_object_put_nocache(env, los->los_obj); list_del(&los->los_list); OBD_FREE_PTR(los); mutex_unlock(&ls->ls_los_mutex);