#include <obd_class.h>
#include <dt_object.h>
#include <lustre_fid.h>
+#include <obd_ost.h>
#include <lustre_capa.h>
#define OFD_INIT_OBJID 0
}
struct ofd_object {
- struct lu_object_header ofo_header;
+ struct lu_object_header ofo_header;
struct dt_object ofo_obj;
+ int ofo_ff_exists;
};
static inline struct ofd_object *ofd_obj(struct lu_object *o)
return container_of0(lu_object_next(lu), struct dt_object, do_lu);
}
+static inline struct ofd_device *ofd_obj2dev(const struct ofd_object *fo)
+{
+ return ofd_dev(fo->ofo_obj.do_lu.lo_dev);
+}
+
+static inline struct lustre_capa *ofd_object_capa(const struct lu_env *env,
+ const struct ofd_object *obj)
+{
+ /* TODO: see mdd_object_capa() */
+ return BYPASS_CAPA;
+}
+
+static inline void ofd_read_lock(const struct lu_env *env,
+ struct ofd_object *fo)
+{
+ struct dt_object *next = ofd_object_child(fo);
+
+ next->do_ops->do_read_lock(env, next, 0);
+}
+
+static inline void ofd_read_unlock(const struct lu_env *env,
+ struct ofd_object *fo)
+{
+ struct dt_object *next = ofd_object_child(fo);
+
+ next->do_ops->do_read_unlock(env, next);
+}
+
+static inline void ofd_write_lock(const struct lu_env *env,
+ struct ofd_object *fo)
+{
+ struct dt_object *next = ofd_object_child(fo);
+
+ next->do_ops->do_write_lock(env, next, 0);
+}
+
+static inline void ofd_write_unlock(const struct lu_env *env,
+ struct ofd_object *fo)
+{
+ struct dt_object *next = ofd_object_child(fo);
+
+ next->do_ops->do_write_unlock(env, next);
+}
+
/*
* Common data shared by obdofd-level handlers. This is allocated per-thread
* to reduce stack consumption.
struct lu_fid fti_fid;
struct lu_attr fti_attr;
+ struct lu_attr fti_attr2;
+ struct filter_fid fti_mds_fid2;
+ struct ost_id fti_ostid;
struct ofd_object *fti_obj;
union {
char name[64]; /* for ofd_init0() */
struct obd_statfs osfs; /* for obdofd_statfs() */
} fti_u;
+ /* Ops object filename */
+ struct lu_name fti_name;
struct dt_object_format fti_dof;
struct lu_buf fti_buf;
loff_t fti_off;
/* ofd_fs.c */
obd_id ofd_last_id(struct ofd_device *ofd, obd_seq seq);
+void ofd_last_id_set(struct ofd_device *ofd, obd_id id, obd_seq seq);
int ofd_group_load(const struct lu_env *env, struct ofd_device *ofd, int);
int ofd_fs_setup(const struct lu_env *env, struct ofd_device *ofd,
struct obd_device *obd);
int lproc_ofd_attach_seqstat(struct obd_device *dev);
extern struct file_operations ofd_per_nid_stats_fops;
+/* ofd_objects.c */
+struct ofd_object *ofd_object_find(const struct lu_env *env,
+ struct ofd_device *ofd,
+ const struct lu_fid *fid);
+struct ofd_object *ofd_object_find_or_create(const struct lu_env *env,
+ struct ofd_device *ofd,
+ const struct lu_fid *fid,
+ struct lu_attr *attr);
+int ofd_object_ff_check(const struct lu_env *env, struct ofd_object *fo);
+int ofd_precreate_object(const struct lu_env *env, struct ofd_device *ofd,
+ obd_id id, obd_seq seq);
+
+void ofd_object_put(const struct lu_env *env, struct ofd_object *fo);
+int ofd_attr_set(const struct lu_env *env, struct ofd_object *fo,
+ struct lu_attr *la, struct filter_fid *ff);
+int ofd_object_punch(const struct lu_env *env, struct ofd_object *fo,
+ __u64 start, __u64 end, struct lu_attr *la,
+ struct filter_fid *ff);
+int ofd_object_destroy(const struct lu_env *, struct ofd_object *, int);
+int ofd_attr_get(const struct lu_env *env, struct ofd_object *fo,
+ struct lu_attr *la);
+int ofd_attr_handle_ugid(const struct lu_env *env, struct ofd_object *fo,
+ struct lu_attr *la, int is_setattr);
+
/* ofd_grants.c */
#define OFD_GRANT_RATIO_SHIFT 8
static inline __u64 ofd_grant_reserved(struct ofd_device *ofd, obd_size bavail)
LASSERT(info);
LASSERT(info->fti_exp == NULL);
LASSERT(info->fti_env == NULL);
+ LASSERT(info->fti_attr.la_valid == 0);
info->fti_env = env;
info->fti_exp = exp;
+ info->fti_pre_version = 0;
+ info->fti_transno = 0;
+ info->fti_has_trans = 0;
return info;
}
ofd->ofd_sync_lock_cancel = ALWAYS_SYNC_ON_CANCEL;
}
+static inline void ofd_prepare_fidea(struct filter_fid *ff, struct obdo *oa)
+{
+ if (!(oa->o_valid & OBD_MD_FLGROUP))
+ oa->o_seq = 0;
+ /* packing fid and converting it to LE for storing into EA.
+ * Here ->o_stripe_idx should be filled by LOV and rest of
+ * fields - by client. */
+ ff->ff_parent.f_seq = cpu_to_le64(oa->o_parent_seq);
+ ff->ff_parent.f_oid = cpu_to_le32(oa->o_parent_oid);
+ /* XXX: we are ignoring o_parent_ver here, since this should
+ * be the same for all objects in this fileset. */
+ ff->ff_parent.f_ver = cpu_to_le32(oa->o_stripe_idx);
+ ff->ff_objid = cpu_to_le64(oa->o_id);
+ ff->ff_seq = cpu_to_le64(oa->o_seq);
+}
+
/* niobuf_local has no rnb_ prefix in master */
#define rnb_offset offset
#define rnb_flags flags
--- /dev/null
+/*
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2012, Whamcloud, Inc.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/ofd/ofd_objects.c
+ *
+ * Author: Alex Zhuravlev <bzzz@whamcloud.com>
+ * Author: Mikhail Pershin <tappro@whamcloud.com>
+ */
+
+#define DEBUG_SUBSYSTEM S_FILTER
+
+#include <dt_object.h>
+
+#include "ofd_internal.h"
+
+int ofd_version_get_check(struct ofd_thread_info *info,
+ struct ofd_object *fo)
+{
+ dt_obj_version_t curr_version;
+
+ LASSERT(ofd_object_exists(fo));
+ LASSERT(info->fti_exp);
+
+ curr_version = dt_version_get(info->fti_env, ofd_object_child(fo));
+ if ((__s64)curr_version == -EOPNOTSUPP)
+ RETURN(0);
+ /* VBR: version is checked always because costs nothing */
+ if (info->fti_pre_version != 0 &&
+ info->fti_pre_version != curr_version) {
+ CDEBUG(D_INODE, "Version mismatch "LPX64" != "LPX64"\n",
+ info->fti_pre_version, curr_version);
+ cfs_spin_lock(&info->fti_exp->exp_lock);
+ info->fti_exp->exp_vbr_failed = 1;
+ cfs_spin_unlock(&info->fti_exp->exp_lock);
+ RETURN (-EOVERFLOW);
+ }
+ info->fti_pre_version = curr_version;
+ RETURN(0);
+}
+
+struct ofd_object *ofd_object_find(const struct lu_env *env,
+ struct ofd_device *ofd,
+ const struct lu_fid *fid)
+{
+ struct ofd_object *fo;
+ struct lu_object *o;
+
+ ENTRY;
+
+ o = lu_object_find(env, &ofd->ofd_dt_dev.dd_lu_dev, fid, NULL);
+ if (likely(!IS_ERR(o)))
+ fo = ofd_obj(o);
+ else
+ fo = (struct ofd_object *)o; /* return error */
+ RETURN(fo);
+}
+
+struct ofd_object *ofd_object_find_or_create(const struct lu_env *env,
+ struct ofd_device *ofd,
+ const struct lu_fid *fid,
+ struct lu_attr *attr)
+{
+ struct ofd_thread_info *info = ofd_info(env);
+ struct lu_object *fo_obj;
+ struct dt_object *dto;
+
+ ENTRY;
+
+ info->fti_dof.dof_type = dt_mode_to_dft(S_IFREG);
+
+ dto = dt_find_or_create(env, ofd->ofd_osd, fid, &info->fti_dof, attr);
+ if (IS_ERR(dto))
+ RETURN((struct ofd_object *)dto);
+
+ fo_obj = lu_object_locate(dto->do_lu.lo_header,
+ ofd->ofd_dt_dev.dd_lu_dev.ld_type);
+ RETURN(ofd_obj(fo_obj));
+}
+
+int ofd_object_ff_check(const struct lu_env *env, struct ofd_object *fo)
+{
+ struct ofd_thread_info *info = ofd_info(env);
+ int rc = 0;
+
+ ENTRY;
+
+ if (!fo->ofo_ff_exists) {
+ /*
+ * This actually means that we don't know whether the object
+ * has the "fid" EA or not.
+ */
+ info->fti_buf.lb_buf = &info->fti_mds_fid2;
+ info->fti_buf.lb_len = sizeof(info->fti_mds_fid2);
+ rc = dt_xattr_get(env, ofd_object_child(fo), &info->fti_buf,
+ XATTR_NAME_FID, BYPASS_CAPA);
+ if (rc >= 0 || rc == -ENODATA) {
+ /*
+ * Here we assume that, if the object doesn't have the
+ * "fid" EA, the caller will add one, unless a fatal
+ * error (e.g., a memory or disk failure) prevents it
+ * from doing so.
+ */
+ fo->ofo_ff_exists = 1;
+ }
+ if (rc > 0)
+ rc = 0;
+ }
+ RETURN(rc);
+}
+
+void ofd_object_put(const struct lu_env *env, struct ofd_object *fo)
+{
+ lu_object_put(env, &fo->ofo_obj.do_lu);
+}
+
+int ofd_precreate_object(const struct lu_env *env, struct ofd_device *ofd,
+ obd_id id, obd_seq group)
+{
+ struct ofd_thread_info *info = ofd_info(env);
+ struct ofd_object *fo;
+ struct dt_object *next;
+ struct thandle *th;
+ obd_id tmp;
+ int rc;
+
+ ENTRY;
+
+ /* Don't create objects beyond the valid range for this SEQ */
+ if (unlikely(fid_seq_is_mdt0(group) && id >= IDIF_MAX_OID)) {
+ CERROR("%s:"POSTID" hit the IDIF_MAX_OID (1<<48)!\n",
+ ofd_name(ofd), id, group);
+ RETURN(rc = -ENOSPC);
+ } else if (unlikely(!fid_seq_is_mdt0(group) && id >= OBIF_MAX_OID)) {
+ CERROR("%s:"POSTID" hit the OBIF_MAX_OID (1<<32)!\n",
+ ofd_name(ofd), id, group);
+ RETURN(rc = -ENOSPC);
+ }
+ info->fti_ostid.oi_id = id;
+ info->fti_ostid.oi_seq = group;
+ fid_ostid_unpack(&info->fti_fid, &info->fti_ostid, 0);
+
+ fo = ofd_object_find(env, ofd, &info->fti_fid);
+ if (IS_ERR(fo))
+ RETURN(PTR_ERR(fo));
+
+ info->fti_attr.la_valid = LA_TYPE | LA_MODE;
+ /*
+ * We mark object SUID+SGID to flag it for accepting UID+GID from
+ * client on first write. Currently the permission bits on the OST are
+ * never used, so this is OK.
+ */
+ info->fti_attr.la_mode = S_IFREG | S_ISUID | S_ISGID | 0666;
+ info->fti_dof.dof_type = dt_mode_to_dft(S_IFREG);
+
+ /* Initialize a/c/m time so any client timestamp will always
+ * be newer and update the inode. ctime = 0 is also handled
+ * specially in osd_inode_setattr(). See LU-221, LU-1042 */
+ info->fti_attr.la_valid |= LA_ATIME | LA_MTIME | LA_CTIME;
+ info->fti_attr.la_atime = 0;
+ info->fti_attr.la_mtime = 0;
+ info->fti_attr.la_ctime = 0;
+
+ next = ofd_object_child(fo);
+ LASSERT(next != NULL);
+
+ info->fti_buf.lb_buf = &tmp;
+ info->fti_buf.lb_len = sizeof(tmp);
+ info->fti_off = 0;
+
+ ofd_write_lock(env, fo);
+ th = ofd_trans_create(env, ofd);
+ if (IS_ERR(th))
+ GOTO(out_unlock, rc = PTR_ERR(th));
+
+ rc = dt_declare_record_write(env, ofd->ofd_lastid_obj[group],
+ sizeof(tmp), info->fti_off, th);
+ if (rc)
+ GOTO(trans_stop, rc);
+
+ if (unlikely(ofd_object_exists(fo))) {
+ /* object may exist being re-created by write replay */
+ CDEBUG(D_INODE, "object %u/"LPD64" exists: "DFID"\n",
+ (unsigned) group, id, PFID(&info->fti_fid));
+ rc = dt_trans_start_local(env, ofd->ofd_osd, th);
+ if (rc)
+ GOTO(trans_stop, rc);
+ GOTO(last_id_write, rc);
+ }
+ rc = dt_declare_create(env, next, &info->fti_attr, NULL,
+ &info->fti_dof, th);
+ if (rc)
+ GOTO(trans_stop, rc);
+
+ rc = dt_trans_start_local(env, ofd->ofd_osd, th);
+ if (rc)
+ GOTO(trans_stop, rc);
+
+ CDEBUG(D_OTHER, "create new object %lu:%llu\n",
+ (unsigned long) info->fti_fid.f_oid, info->fti_fid.f_seq);
+
+ rc = dt_create(env, next, &info->fti_attr, NULL, &info->fti_dof, th);
+ if (rc)
+ GOTO(trans_stop, rc);
+ LASSERT(ofd_object_exists(fo));
+
+last_id_write:
+ ofd_last_id_set(ofd, id, group);
+
+ tmp = cpu_to_le64(ofd_last_id(ofd, group));
+ rc = dt_record_write(env, ofd->ofd_lastid_obj[group], &info->fti_buf,
+ &info->fti_off, th);
+trans_stop:
+ ofd_trans_stop(env, ofd, th, rc);
+out_unlock:
+ ofd_write_unlock(env, fo);
+ ofd_object_put(env, fo);
+ RETURN(rc);
+}
+
+/*
+ * If the object still has SUID+SGID bits set (see ofd_precreate_object()) then
+ * we will accept the UID+GID if sent by the client for initializing the
+ * ownership of this object. We only allow this to happen once (so clear these
+ * bits) and later only allow setattr.
+ */
+int ofd_attr_handle_ugid(const struct lu_env *env, struct ofd_object *fo,
+ struct lu_attr *la, int is_setattr)
+{
+ struct ofd_thread_info *info = ofd_info(env);
+ struct lu_attr *ln = &info->fti_attr2;
+ __u32 mask = 0;
+ int rc;
+
+ ENTRY;
+
+ if (!(la->la_valid & LA_UID) && !(la->la_valid & LA_GID))
+ RETURN(0);
+
+ rc = dt_attr_get(env, ofd_object_child(fo), ln, BYPASS_CAPA);
+ if (rc != 0)
+ RETURN(rc);
+
+ LASSERT(ln->la_valid & LA_MODE);
+
+ if (!is_setattr) {
+ if (!(ln->la_mode & S_ISUID))
+ la->la_valid &= ~LA_UID;
+ if (!(ln->la_mode & S_ISGID))
+ la->la_valid &= ~LA_GID;
+ }
+
+ if ((la->la_valid & LA_UID) && (ln->la_mode & S_ISUID))
+ mask |= S_ISUID;
+ if ((la->la_valid & LA_GID) && (ln->la_mode & S_ISGID))
+ mask |= S_ISGID;
+ if (mask != 0) {
+ if (!(la->la_valid & LA_MODE) || !is_setattr) {
+ la->la_mode = ln->la_mode;
+ la->la_valid |= LA_MODE;
+ }
+ la->la_mode &= ~mask;
+ }
+
+ RETURN(0);
+}
+
+int ofd_attr_set(const struct lu_env *env, struct ofd_object *fo,
+ struct lu_attr *la, struct filter_fid *ff)
+{
+ struct ofd_thread_info *info = ofd_info(env);
+ struct ofd_device *ofd = ofd_obj2dev(fo);
+ struct thandle *th;
+ struct ofd_mod_data *fmd;
+ int ff_needed = 0;
+ int rc;
+ ENTRY;
+
+ ofd_write_lock(env, fo);
+ if (!ofd_object_exists(fo))
+ GOTO(unlock, rc = -ENOENT);
+
+ if (la->la_valid & (LA_ATIME | LA_MTIME | LA_CTIME)) {
+ fmd = ofd_fmd_get(info->fti_exp, &fo->ofo_header.loh_fid);
+ if (fmd && fmd->fmd_mactime_xid < info->fti_xid)
+ fmd->fmd_mactime_xid = info->fti_xid;
+ ofd_fmd_put(info->fti_exp, fmd);
+ }
+
+ /* VBR: version recovery check */
+ rc = ofd_version_get_check(info, fo);
+ if (rc)
+ GOTO(unlock, rc);
+
+ rc = ofd_attr_handle_ugid(env, fo, la, 1 /* is_setattr */);
+ if (rc != 0)
+ GOTO(unlock, rc);
+
+ if (ff != NULL) {
+ rc = ofd_object_ff_check(env, fo);
+ if (rc == -ENODATA)
+ ff_needed = 1;
+ else if (rc < 0)
+ GOTO(unlock, rc);
+ }
+
+ th = ofd_trans_create(env, ofd);
+ if (IS_ERR(th))
+ GOTO(unlock, rc = PTR_ERR(th));
+
+ rc = dt_declare_attr_set(env, ofd_object_child(fo), la, th);
+ if (rc)
+ GOTO(stop, rc);
+
+ if (ff_needed) {
+ info->fti_buf.lb_buf = ff;
+ info->fti_buf.lb_len = sizeof(*ff);
+ rc = dt_declare_xattr_set(env, ofd_object_child(fo),
+ &info->fti_buf, XATTR_NAME_FID, 0,
+ th);
+ if (rc)
+ GOTO(stop, rc);
+ }
+
+ rc = ofd_trans_start(env, ofd, la->la_valid & LA_SIZE ? fo : NULL, th);
+ if (rc)
+ GOTO(stop, rc);
+
+ rc = dt_attr_set(env, ofd_object_child(fo), la, th,
+ ofd_object_capa(env, fo));
+ if (rc)
+ GOTO(stop, rc);
+
+ if (ff_needed)
+ rc = dt_xattr_set(env, ofd_object_child(fo), &info->fti_buf,
+ XATTR_NAME_FID, 0, th, BYPASS_CAPA);
+
+stop:
+ ofd_trans_stop(env, ofd, th, rc);
+unlock:
+ ofd_write_unlock(env, fo);
+ RETURN(rc);
+}
+
+int ofd_object_punch(const struct lu_env *env, struct ofd_object *fo,
+ __u64 start, __u64 end, struct lu_attr *la,
+ struct filter_fid *ff)
+{
+ struct ofd_thread_info *info = ofd_info(env);
+ struct ofd_device *ofd = ofd_obj2dev(fo);
+ struct ofd_mod_data *fmd;
+ struct dt_object *dob = ofd_object_child(fo);
+ struct thandle *th;
+ int ff_needed = 0;
+ int rc;
+
+ ENTRY;
+
+ /* we support truncate, not punch yet */
+ LASSERT(end == OBD_OBJECT_EOF);
+
+ fmd = ofd_fmd_get(info->fti_exp, &fo->ofo_header.loh_fid);
+ if (fmd && fmd->fmd_mactime_xid < info->fti_xid)
+ fmd->fmd_mactime_xid = info->fti_xid;
+ ofd_fmd_put(info->fti_exp, fmd);
+
+ ofd_write_lock(env, fo);
+ if (!ofd_object_exists(fo))
+ GOTO(unlock, rc = -ENOENT);
+
+ /* VBR: version recovery check */
+ rc = ofd_version_get_check(info, fo);
+ if (rc)
+ GOTO(unlock, rc);
+
+ rc = ofd_attr_handle_ugid(env, fo, la, 0 /* !is_setattr */);
+ if (rc != 0)
+ GOTO(unlock, rc);
+
+ if (ff != NULL) {
+ rc = ofd_object_ff_check(env, fo);
+ if (rc == -ENODATA)
+ ff_needed = 1;
+ else if (rc < 0)
+ GOTO(unlock, rc);
+ }
+
+ th = ofd_trans_create(env, ofd);
+ if (IS_ERR(th))
+ GOTO(unlock, rc = PTR_ERR(th));
+
+ rc = dt_declare_attr_set(env, dob, la, th);
+ if (rc)
+ GOTO(stop, rc);
+
+ rc = dt_declare_punch(env, dob, start, OBD_OBJECT_EOF, th);
+ if (rc)
+ GOTO(stop, rc);
+
+ if (ff_needed) {
+ info->fti_buf.lb_buf = ff;
+ info->fti_buf.lb_len = sizeof(*ff);
+ rc = dt_declare_xattr_set(env, ofd_object_child(fo),
+ &info->fti_buf, XATTR_NAME_FID, 0,
+ th);
+ if (rc)
+ GOTO(stop, rc);
+ }
+
+ rc = ofd_trans_start(env, ofd, fo, th);
+ if (rc)
+ GOTO(stop, rc);
+
+ rc = dt_punch(env, dob, start, OBD_OBJECT_EOF, th,
+ ofd_object_capa(env, fo));
+ if (rc)
+ GOTO(stop, rc);
+
+ rc = dt_attr_set(env, dob, la, th, ofd_object_capa(env, fo));
+ if (rc)
+ GOTO(stop, rc);
+
+ if (ff_needed)
+ rc = dt_xattr_set(env, ofd_object_child(fo), &info->fti_buf,
+ XATTR_NAME_FID, 0, th, BYPASS_CAPA);
+
+stop:
+ ofd_trans_stop(env, ofd, th, rc);
+unlock:
+ ofd_write_unlock(env, fo);
+ RETURN(rc);
+}
+
+int ofd_object_destroy(const struct lu_env *env, struct ofd_object *fo,
+ int orphan)
+{
+ struct ofd_device *ofd = ofd_obj2dev(fo);
+ struct thandle *th;
+ int rc = 0;
+
+ ENTRY;
+
+ ofd_write_lock(env, fo);
+ if (!ofd_object_exists(fo))
+ GOTO(unlock, rc = -ENOENT);
+
+ th = ofd_trans_create(env, ofd);
+ if (IS_ERR(th))
+ GOTO(unlock, rc = PTR_ERR(th));
+
+ dt_declare_ref_del(env, ofd_object_child(fo), th);
+ dt_declare_destroy(env, ofd_object_child(fo), th);
+ if (orphan)
+ rc = dt_trans_start_local(env, ofd->ofd_osd, th);
+ else
+ rc = ofd_trans_start(env, ofd, NULL, th);
+ if (rc)
+ GOTO(stop, rc);
+
+ ofd_fmd_drop(ofd_info(env)->fti_exp, &fo->ofo_header.loh_fid);
+
+ dt_ref_del(env, ofd_object_child(fo), th);
+ dt_destroy(env, ofd_object_child(fo), th);
+stop:
+ ofd_trans_stop(env, ofd, th, rc);
+unlock:
+ ofd_write_unlock(env, fo);
+ RETURN(rc);
+}
+
+int ofd_attr_get(const struct lu_env *env, struct ofd_object *fo,
+ struct lu_attr *la)
+{
+ int rc = 0;
+
+ ENTRY;
+
+ if (ofd_object_exists(fo)) {
+ rc = dt_attr_get(env, ofd_object_child(fo), la,
+ ofd_object_capa(env, fo));
+
+#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2,7,50,0)
+ /* Try to correct for a bug in 2.1.0 (LU-221) that caused
+ * negative timestamps to appear to be in the far future,
+ * due old timestamp being stored on disk as an unsigned value.
+ * This fixes up any bad values stored on disk before
+ * returning them to the client, and ensures any timestamp
+ * updates are correct. LU-1042 */
+ if (unlikely(la->la_atime == LU221_BAD_TIME))
+ la->la_atime = 0;
+ if (unlikely(la->la_mtime == LU221_BAD_TIME))
+ la->la_mtime = 0;
+ if (unlikely(la->la_ctime == LU221_BAD_TIME))
+ la->la_ctime = 0;
+#else
+#warning "remove old LU-221/LU-1042 workaround code"
+#endif
+ } else {
+ rc = -ENOENT;
+ }
+ RETURN(rc);
+}
git://git.whamcloud.com / fs / lustre-release.git / commitdiff