* Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2012, 2014, Intel Corporation.
+ * Copyright (c) 2012, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
if (unlikely(rc < sizeof(struct lu_fid))) {
fid_zero(&ff->ff_parent);
-
- return -ENODATA;
+ return -EINVAL;
}
filter_fid_le_to_cpu(ff, ff, rc);
/* Don't create objects beyond the valid range for this SEQ */
if (unlikely(fid_seq_is_mdt0(ostid_seq(&oseq->os_oi)) &&
- (id + nr) >= IDIF_MAX_OID)) {
+ (id + nr) > IDIF_MAX_OID)) {
CERROR("%s:"DOSTID" hit the IDIF_MAX_OID (1<<48)!\n",
ofd_name(ofd), id, ostid_seq(&oseq->os_oi));
RETURN(rc = -ENOSPC);
} else if (unlikely(!fid_seq_is_mdt0(ostid_seq(&oseq->os_oi)) &&
- (id + nr) >= OBIF_MAX_OID)) {
+ (id + nr) > OBIF_MAX_OID)) {
CERROR("%s:"DOSTID" hit the OBIF_MAX_OID (1<<32)!\n",
ofd_name(ofd), id, ostid_seq(&oseq->os_oi));
RETURN(rc = -ENOSPC);
}
/**
+ * Check if it needs to update filter_fid by the value of @oa.
+ *
+ * \param[in] env env
+ * \param[in] fo ofd object
+ * \param[in] oa obdo from client or MDT
+ * \param[out] ff if filter_fid needs updating, this field is used to
+ * return the new buffer
+ *
+ * \retval < 0 error occurred
+ * \retval 0 doesn't need to update filter_fid
+ * \retval FL_XATTR_{CREATE,REPLACE} flag for xattr update
+ */
+int ofd_object_ff_update(const struct lu_env *env, struct ofd_object *fo,
+ const struct obdo *oa, struct filter_fid *ff)
+{
+ int rc = 0;
+ ENTRY;
+
+ if (!(oa->o_valid &
+ (OBD_MD_FLFID | OBD_MD_FLOSTLAYOUT | OBD_MD_LAYOUT_VERSION)))
+ RETURN(0);
+
+ rc = ofd_object_ff_load(env, fo);
+ if (rc < 0 && rc != -ENODATA)
+ RETURN(rc);
+
+ LASSERT(ff != &fo->ofo_ff);
+ if (rc == -ENODATA) {
+ rc = LU_XATTR_CREATE;
+ memset(ff, 0, sizeof(*ff));
+ } else {
+ rc = LU_XATTR_REPLACE;
+ memcpy(ff, &fo->ofo_ff, sizeof(*ff));
+ }
+
+ if (oa->o_valid & OBD_MD_FLFID) {
+ /* 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 = oa->o_parent_seq;
+ ff->ff_parent.f_oid = 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 = oa->o_stripe_idx;
+ }
+ if (oa->o_valid & OBD_MD_FLOSTLAYOUT)
+ ff->ff_layout = oa->o_layout;
+
+ if (oa->o_valid & OBD_MD_LAYOUT_VERSION) {
+ CDEBUG(D_INODE, DFID": OST("DFID") layout version %u -> %u\n",
+ PFID(&fo->ofo_ff.ff_parent),
+ PFID(lu_object_fid(&fo->ofo_obj.do_lu)),
+ ff->ff_layout_version, oa->o_layout_version);
+
+ /* only the MDS has the authority to update layout version */
+ if (!(exp_connect_flags(ofd_info(env)->fti_exp) &
+ OBD_CONNECT_MDS)) {
+ CERROR(DFID": update layout version from client\n",
+ PFID(&fo->ofo_ff.ff_parent));
+
+ RETURN(-EPERM);
+ }
+
+ if (ff->ff_layout_version & LU_LAYOUT_RESYNC) {
+ /* this opens a new era of writing */
+ ff->ff_layout_version = 0;
+ ff->ff_range = 0;
+ }
+
+ /* it's not allowed to change it to a smaller value */
+ if (oa->o_layout_version < ff->ff_layout_version)
+ RETURN(-EINVAL);
+
+ if (ff->ff_layout_version == 0 ||
+ oa->o_layout_version & LU_LAYOUT_RESYNC) {
+ /* if LU_LAYOUT_RESYNC is set, it closes the era of
+ * writing. Only mirror I/O can write this object. */
+ ff->ff_layout_version = oa->o_layout_version;
+ ff->ff_range = 0;
+ } else if (oa->o_layout_version > ff->ff_layout_version) {
+ ff->ff_range = MAX(ff->ff_range,
+ oa->o_layout_version - ff->ff_layout_version);
+ }
+ }
+
+ if (memcmp(ff, &fo->ofo_ff, sizeof(*ff)))
+ filter_fid_cpu_to_le(ff, ff, sizeof(*ff));
+ else /* no change */
+ rc = 0;
+
+ RETURN(rc);
+}
+
+/**
* Set OFD object attributes.
*
* This function sets OFD object attributes taken from incoming request.
* \param[in] env execution environment
* \param[in] fo OFD object
* \param[in] la object attributes
- * \param[in] ff filter_fid structure, contains additional attributes
+ * \param[in] oa obdo carries fid, ost_layout, layout version
*
* \retval 0 if successful
* \retval negative value on error
*/
int ofd_attr_set(const struct lu_env *env, struct ofd_object *fo,
- struct lu_attr *la, struct filter_fid *ff)
+ struct lu_attr *la, struct obdo *oa)
{
struct ofd_thread_info *info = ofd_info(env);
struct ofd_device *ofd = ofd_obj2dev(fo);
+ struct filter_fid *ff = &info->fti_mds_fid;
struct thandle *th;
struct ofd_mod_data *fmd;
- int ff_needed = 0;
+ int fl;
int rc;
int rc2;
ENTRY;
if (rc != 0)
GOTO(unlock, rc);
- if (ff != NULL) {
- rc = ofd_object_ff_load(env, fo);
- if (rc == -ENODATA)
- ff_needed = 1;
- else if (rc < 0)
- GOTO(unlock, rc);
- }
+ fl = ofd_object_ff_update(env, fo, oa, ff);
+ if (fl < 0)
+ GOTO(unlock, rc = fl);
th = ofd_trans_create(env, ofd);
if (IS_ERR(th))
if (rc)
GOTO(stop, rc);
- if (ff_needed) {
+ if (fl) {
if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_UNMATCHED_PAIR1))
ff->ff_parent.f_oid = cpu_to_le32(1UL << 31);
else if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_UNMATCHED_PAIR2))
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,
+ &info->fti_buf, XATTR_NAME_FID, fl,
th);
if (rc)
GOTO(stop, rc);
if (rc)
GOTO(stop, rc);
- if (ff_needed) {
+ if (fl) {
if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_NOPFID))
GOTO(stop, rc);
+ info->fti_buf.lb_buf = ff;
+ info->fti_buf.lb_len = sizeof(*ff);
rc = dt_xattr_set(env, ofd_object_child(fo), &info->fti_buf,
- XATTR_NAME_FID, 0, th);
+ XATTR_NAME_FID, fl, th);
if (!rc)
filter_fid_le_to_cpu(&fo->ofo_ff, ff, sizeof(*ff));
}
* \param[in] start start offset to punch from
* \param[in] end end of punch
* \param[in] la object attributes
- * \param[in] ff filter_fid structure
* \param[in] oa obdo struct from incoming request
*
* \retval 0 if successful
*/
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 obdo *oa)
+ struct obdo *oa)
{
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 filter_fid *ff = &info->fti_mds_fid;
struct thandle *th;
- int ff_needed = 0;
+ int fl;
int rc;
int rc2;
GOTO(unlock, rc);
}
+ /* need to verify layout version */
+ if (oa->o_valid & OBD_MD_LAYOUT_VERSION) {
+ rc = ofd_verify_layout_version(env, fo, oa);
+ if (rc)
+ GOTO(unlock, rc);
+
+ oa->o_valid &= ~OBD_MD_LAYOUT_VERSION;
+ }
+
/* VBR: version recovery check */
rc = ofd_version_get_check(info, fo);
if (rc)
if (rc != 0)
GOTO(unlock, rc);
- if (ff != NULL) {
- rc = ofd_object_ff_load(env, fo);
- if (rc == -ENODATA)
- ff_needed = 1;
- else if (rc < 0)
- GOTO(unlock, rc);
- }
+ fl = ofd_object_ff_update(env, fo, oa, ff);
+ if (fl < 0)
+ GOTO(unlock, rc = fl);
th = ofd_trans_create(env, ofd);
if (IS_ERR(th))
if (rc)
GOTO(stop, rc);
- if (ff_needed) {
+ if (fl) {
if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_UNMATCHED_PAIR1))
ff->ff_parent.f_oid = cpu_to_le32(1UL << 31);
else if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_UNMATCHED_PAIR2))
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,
+ &info->fti_buf, XATTR_NAME_FID, fl,
th);
if (rc)
GOTO(stop, rc);
if (rc)
GOTO(stop, rc);
- if (ff_needed) {
+ if (fl) {
if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_NOPFID))
GOTO(stop, rc);
rc = dt_xattr_set(env, ofd_object_child(fo), &info->fti_buf,
- XATTR_NAME_FID, 0, th);
+ XATTR_NAME_FID, fl, th);
if (!rc)
filter_fid_le_to_cpu(&fo->ofo_ff, ff, sizeof(*ff));
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff