* 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/
#define DEBUG_SUBSYSTEM S_FILTER
#include <dt_object.h>
-#include <lustre/lustre_idl.h>
#include <lustre_lfsck.h>
#include "ofd_internal.h"
* Get FID of parent MDT object.
*
* This function reads extended attribute XATTR_NAME_FID of OFD object which
- * contains the MDT parent object FID and saves it in ofd_object::ofo_pfid.
+ * contains the MDT parent object FID and saves it in ofd_object::ofo_ff.
*
* The filter_fid::ff_parent::f_ver field currently holds
* the OST-object index in the parent MDT-object's layout EA,
*/
int ofd_object_ff_load(const struct lu_env *env, struct ofd_object *fo)
{
- struct ofd_thread_info *info = ofd_info(env);
- struct filter_fid_old *ff = &info->fti_mds_fid_old;
- struct lu_buf *buf = &info->fti_buf;
- struct lu_fid *pfid = &fo->ofo_pfid;
- int rc = 0;
+ struct ofd_thread_info *info = ofd_info(env);
+ struct filter_fid *ff = &fo->ofo_ff;
+ struct lu_buf *buf = &info->fti_buf;
+ int rc = 0;
- if (fid_is_sane(pfid))
+ if (fid_is_sane(&ff->ff_parent))
return 0;
buf->lb_buf = ff;
if (rc < 0)
return rc;
- if (rc < sizeof(struct lu_fid)) {
- fid_zero(pfid);
-
- return -ENODATA;
+ if (unlikely(rc < sizeof(struct lu_fid))) {
+ fid_zero(&ff->ff_parent);
+ return -EINVAL;
}
- pfid->f_seq = le64_to_cpu(ff->ff_parent.f_seq);
- pfid->f_oid = le32_to_cpu(ff->ff_parent.f_oid);
- pfid->f_stripe_idx = le32_to_cpu(ff->ff_parent.f_stripe_idx);
+ filter_fid_le_to_cpu(ff, ff, rc);
return 0;
}
/**
- * Put OFD object reference.
- *
- * \param[in] env execution environment
- * \param[in] fo OFD object
- */
-void ofd_object_put(const struct lu_env *env, struct ofd_object *fo)
-{
- lu_object_put(env, &fo->ofo_obj.do_lu);
-}
-
-/**
* Precreate the given number \a nr of objects in the given sequence \a oseq.
*
* This function precreates new OST objects in the given sequence.
struct thandle *th;
struct ofd_object **batch;
struct lu_fid *fid = &info->fti_fid;
- u64 tmp;
- int rc;
- int i;
- int objects = 0;
- int nr_saved = nr;
+ u64 tmp;
+ int rc;
+ int rc2;
+ int i;
+ int objects = 0;
+ int nr_saved = nr;
ENTRY;
/* 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);
RETURN(-ENOMEM);
info->fti_attr.la_valid = LA_TYPE | LA_MODE;
- info->fti_attr.la_mode = S_IFREG | S_ISUID | S_ISGID | 0666;
+ info->fti_attr.la_mode = S_IFREG | S_ISUID | S_ISGID | S_ISVTX | 0666;
info->fti_dof.dof_type = dt_mode_to_dft(S_IFREG);
info->fti_attr.la_valid |= LA_ATIME | LA_MTIME | LA_CTIME;
/* Only the new created objects need to be recorded. */
if (ofd->ofd_osd->dd_record_fid_accessed) {
- struct lfsck_request *lr = &ofd_info(env)->fti_lr;
+ struct lfsck_req_local *lrl = &ofd_info(env)->fti_lrl;
- lfsck_pack_rfa(lr, lu_object_fid(&fo->ofo_obj.do_lu),
- LE_FID_ACCESSED,
- LFSCK_TYPE_LAYOUT);
- lfsck_in_notify(env, ofd->ofd_osd, lr, NULL);
+ lfsck_pack_rfa(lrl, lu_object_fid(&fo->ofo_obj.do_lu),
+ LEL_FID_ACCESSED, LFSCK_TYPE_LAYOUT);
+ lfsck_in_notify_local(env, ofd->ofd_osd, lrl, NULL);
}
if (likely(!ofd_object_exists(fo) &&
}
trans_stop:
- ofd_trans_stop(env, ofd, th, rc);
+ rc2 = ofd_trans_stop(env, ofd, th, rc);
+ if (rc2)
+ CERROR("%s: failed to stop transaction: rc = %d\n",
+ ofd_name(ofd), rc2);
+ if (!rc)
+ rc = rc2;
out:
for (i = 0; i < nr_saved; i++) {
fo = batch[i];
*
* If the object still has SUID+SGID bits set, meaning that it was precreated
* by the MDT before it was assigned to any file, (see ofd_precreate_objects())
- * 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.
+ * then we will accept the UID/GID/PROJID 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.
*
* \param[in] env execution environment
* \param[in] fo OFD object
* \retval 0 if successful
* \retval negative value on error
*/
-int ofd_attr_handle_ugid(const struct lu_env *env, struct ofd_object *fo,
+int ofd_attr_handle_id(const struct lu_env *env, struct ofd_object *fo,
struct lu_attr *la, int is_setattr)
{
struct ofd_thread_info *info = ofd_info(env);
ENTRY;
- if (!(la->la_valid & LA_UID) && !(la->la_valid & LA_GID))
+ if (!(la->la_valid & LA_UID) && !(la->la_valid & LA_GID) &&
+ !(la->la_valid & LA_PROJID))
RETURN(0);
rc = dt_attr_get(env, ofd_object_child(fo), ln);
LASSERT(ln->la_valid & LA_MODE);
+ /*
+ * Only allow setattr to change UID/GID/PROJID, if
+ * SUID+SGID is not set which means this is not
+ * initialization of this objects.
+ */
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 (!(ln->la_mode & S_ISVTX))
+ la->la_valid &= ~LA_PROJID;
}
+ /* Initialize ownership of this object, clear SUID+SGID bits*/
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 ((la->la_valid & LA_PROJID) && (ln->la_mode & S_ISVTX))
+ mask |= S_ISVTX;
if (mask != 0) {
if (!(la->la_valid & LA_MODE) || !is_setattr) {
la->la_mode = ln->la_mode;
}
/**
+ * 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 rc;
+ int fl;
+ int rc;
+ int rc2;
ENTRY;
ofd_write_lock(env, fo);
if (rc)
GOTO(unlock, rc);
- rc = ofd_attr_handle_ugid(env, fo, la, 1 /* is_setattr */);
+ rc = ofd_attr_handle_id(env, fo, la, 1 /* is_setattr */);
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))
+ le32_add_cpu(&ff->ff_parent.f_oid, -1);
+
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);
- if (rc == 0) {
- fo->ofo_pfid.f_seq = le64_to_cpu(ff->ff_parent.f_seq);
- fo->ofo_pfid.f_oid = le32_to_cpu(ff->ff_parent.f_oid);
- /* Currently, the filter_fid::ff_parent::f_ver is not
- * the real parent MDT-object's FID::f_ver, instead it
- * is the OST-object index in its parent MDT-object's
- * layout EA. */
- fo->ofo_pfid.f_stripe_idx =
- le32_to_cpu(ff->ff_parent.f_stripe_idx);
- }
+ XATTR_NAME_FID, fl, th);
+ if (!rc)
+ filter_fid_le_to_cpu(&fo->ofo_ff, ff, sizeof(*ff));
}
GOTO(stop, rc);
stop:
- ofd_trans_stop(env, ofd, th, rc);
+ rc2 = ofd_trans_stop(env, ofd, th, rc);
+ if (rc2)
+ CERROR("%s: failed to stop transaction: rc = %d\n",
+ ofd_name(ofd), rc2);
+ if (!rc)
+ rc = rc2;
+
unlock:
ofd_write_unlock(env, fo);
* \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 rc;
+ int fl;
+ int rc;
+ int rc2;
ENTRY;
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)
GOTO(unlock, rc);
- rc = ofd_attr_handle_ugid(env, fo, la, 0 /* !is_setattr */);
+ rc = ofd_attr_handle_id(env, fo, la, 0 /* !is_setattr */);
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))
+ le32_add_cpu(&ff->ff_parent.f_oid, -1);
+
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);
- if (rc == 0) {
- fo->ofo_pfid.f_seq = le64_to_cpu(ff->ff_parent.f_seq);
- fo->ofo_pfid.f_oid = le32_to_cpu(ff->ff_parent.f_oid);
- /* Currently, the filter_fid::ff_parent::f_ver is not
- * the real parent MDT-object's FID::f_ver, instead it
- * is the OST-object index in its parent MDT-object's
- * layout EA. */
- fo->ofo_pfid.f_stripe_idx =
- le32_to_cpu(ff->ff_parent.f_stripe_idx);
- }
+ XATTR_NAME_FID, fl, th);
+ if (!rc)
+ filter_fid_le_to_cpu(&fo->ofo_ff, ff, sizeof(*ff));
}
GOTO(stop, rc);
stop:
- ofd_trans_stop(env, ofd, th, rc);
+ rc2 = ofd_trans_stop(env, ofd, th, rc);
+ if (rc2 != 0)
+ CERROR("%s: failed to stop transaction: rc = %d\n",
+ ofd_name(ofd), rc2);
+ if (!rc)
+ rc = rc2;
unlock:
ofd_write_unlock(env, fo);
* \retval 0 if successful
* \retval negative value on error
*/
-int ofd_object_destroy(const struct lu_env *env, struct ofd_object *fo,
+int ofd_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;
+ int rc = 0;
+ int rc2;
ENTRY;
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);
+ rc2 = ofd_trans_stop(env, ofd, th, rc);
+ if (rc2)
+ CERROR("%s failed to stop transaction: %d\n",
+ ofd_name(ofd), rc2);
+ if (!rc)
+ rc = rc2;
unlock:
ofd_write_unlock(env, fo);
RETURN(rc);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff