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14 * in the LICENSE file that accompanied this code).
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23 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
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26 * Copyright (c) 2012, 2014, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
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33 #define DEBUG_SUBSYSTEM S_LMV
34 #include <linux/slab.h>
35 #include <linux/module.h>
36 #include <linux/init.h>
37 #include <linux/slab.h>
38 #include <linux/pagemap.h>
39 #include <linux/math64.h>
40 #include <linux/seq_file.h>
42 #include <obd_support.h>
43 #include <lustre_fid.h>
44 #include <lustre_lib.h>
45 #include <lustre_net.h>
46 #include <lustre_dlm.h>
47 #include <obd_class.h>
48 #include <lprocfs_status.h>
49 #include "lmv_internal.h"
51 int lmv_fld_lookup(struct lmv_obd *lmv, const struct lu_fid *fid, u32 *mds)
53 struct obd_device *obd = lmv2obd_dev(lmv);
59 * FIXME: Currently ZFS still use local seq for ROOT unfortunately, and
60 * this fid_is_local check should be removed once LU-2240 is fixed
62 if (!fid_is_sane(fid) || !(fid_seq_in_fldb(fid_seq(fid)) ||
63 fid_seq_is_local_file(fid_seq(fid)))) {
65 CERROR("%s: invalid FID "DFID": rc = %d\n", obd->obd_name,
70 rc = fld_client_lookup(&lmv->lmv_fld, fid_seq(fid), mds,
71 LU_SEQ_RANGE_MDT, NULL);
73 CERROR("%s: Error while looking for mds number. Seq %#llx: rc = %d\n",
74 obd->obd_name, fid_seq(fid), rc);
78 CDEBUG(D_INODE, "FLD lookup got mds #%x for fid="DFID"\n",
81 if (*mds >= lmv->lmv_mdt_descs.ltd_tgts_size) {
83 CERROR("%s: FLD lookup got invalid mds #%x (max: %x) for fid="DFID": rc = %d\n",
84 obd->obd_name, *mds, lmv->lmv_mdt_descs.ltd_tgts_size,