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37 #define DEBUG_SUBSYSTEM S_LMV
38 #include <linux/slab.h>
39 #include <linux/module.h>
40 #include <linux/init.h>
41 #include <linux/slab.h>
42 #include <linux/pagemap.h>
43 #include <linux/math64.h>
44 #include <linux/seq_file.h>
46 #include <obd_support.h>
47 #include <lustre/lustre_idl.h>
48 #include <lustre_fid.h>
49 #include <lustre_lib.h>
50 #include <lustre_net.h>
51 #include <lustre_dlm.h>
52 #include <obd_class.h>
53 #include <lprocfs_status.h>
54 #include "lmv_internal.h"
56 int lmv_fld_lookup(struct lmv_obd *lmv, const struct lu_fid *fid, u32 *mds)
58 struct obd_device *obd = lmv2obd_dev(lmv);
62 /* FIXME: Currently ZFS still use local seq for ROOT unfortunately, and
63 * this fid_is_local check should be removed once LU-2240 is fixed */
64 if (!fid_is_sane(fid) || !(fid_seq_in_fldb(fid_seq(fid)) ||
65 fid_seq_is_local_file(fid_seq(fid)))) {
66 CERROR("%s: invalid FID "DFID"\n", obd->obd_name, PFID(fid));
70 rc = fld_client_lookup(&lmv->lmv_fld, fid_seq(fid), mds,
71 LU_SEQ_RANGE_MDT, NULL);
73 CERROR("Error while looking for mds number. Seq "LPX64
74 ", err = %d\n", fid_seq(fid), rc);
78 CDEBUG(D_INODE, "FLD lookup got mds #%x for fid="DFID"\n",
81 if (*mds >= lmv->desc.ld_tgt_count) {
82 CERROR("FLD lookup got invalid mds #%x (max: %x) "
83 "for fid="DFID"\n", *mds, lmv->desc.ld_tgt_count,