int osd_xattr_set(const struct lu_env *env, struct dt_object *dt,
const struct lu_buf *buf, const char *name, int fl,
struct thandle *handle)
{
struct osd_object *obj = osd_dt_obj(dt);
struct osd_thandle *oh;
int rc = 0;
ENTRY;
LASSERT(handle != NULL);
LASSERT(osd_invariant(obj));
if (!osd_obj2dev(obj)->od_posix_acl &&
(strcmp(name, POSIX_ACL_XATTR_ACCESS) == 0 ||
strcmp(name, POSIX_ACL_XATTR_DEFAULT) == 0))
RETURN(-EOPNOTSUPP);
if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_LINKEA_OVERFLOW) &&
strcmp(name, XATTR_NAME_LINK) == 0)
RETURN(-ENOSPC);
oh = container_of0(handle, struct osd_thandle, ot_super);
down_write(&obj->oo_guard);
CDEBUG(D_INODE, "Setting xattr %s with size %d\n",
name, (int)buf->lb_len);
rc = osd_xattr_set_internal(env, obj, buf, name, fl, oh);
up_write(&obj->oo_guard);
RETURN(rc);
}
int osd_xattr_set(const struct lu_env *env, struct dt_object *dt,
const struct lu_buf *buf, const char *name, int fl,
struct thandle *handle, struct lustre_capa *capa)
{
struct osd_object *obj = osd_dt_obj(dt);
struct osd_thandle *oh;
int rc = 0;
ENTRY;
LASSERT(handle != NULL);
LASSERT(osd_invariant(obj));
LASSERT(dt_object_exists(dt));
LASSERT(obj->oo_db);
if (!osd_obj2dev(obj)->od_posix_acl &&
(strcmp(name, POSIX_ACL_XATTR_ACCESS) == 0 ||
strcmp(name, POSIX_ACL_XATTR_DEFAULT) == 0))
RETURN(-EOPNOTSUPP);
oh = container_of0(handle, struct osd_thandle, ot_super);
down(&obj->oo_guard);
CDEBUG(D_INODE, "Setting xattr %s with size %d\n",
name, (int)buf->lb_len);
rc = osd_xattr_set_internal(env, obj, buf, name, fl, oh, capa);
up(&obj->oo_guard);
RETURN(rc);
}
/*
* Primitives for directory (i.e. ZAP) handling
*/
static inline int osd_init_lma(const struct lu_env *env, struct osd_object *obj,
const struct lu_fid *fid, struct osd_thandle *oh)
{
struct osd_thread_info *info = osd_oti_get(env);
struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
struct lu_buf buf;
int rc;
lustre_lma_init(lma, fid);
lustre_lma_swab(lma);
buf.lb_buf = lma;
buf.lb_len = sizeof(*lma);
rc = osd_xattr_set_internal(env, obj, &buf, XATTR_NAME_LMA,
LU_XATTR_CREATE, oh, BYPASS_CAPA);
return rc;
}
int osd_xattr_set(const struct lu_env *env, struct dt_object *dt,
const struct lu_buf *buf, const char *name, int fl,
struct thandle *handle, struct lustre_capa *capa)
{
struct osd_object *obj = osd_dt_obj(dt);
struct osd_thandle *oh;
int rc = 0;
ENTRY;
LASSERT(handle != NULL);
LASSERT(osd_invariant(obj));
LASSERT(dt_object_exists(dt));
LASSERT(obj->oo_db);
oh = container_of0(handle, struct osd_thandle, ot_super);
down(&obj->oo_guard);
CDEBUG(D_INODE, "Setting xattr %s with size %d\n",
name, (int)buf->lb_len);
rc = osd_xattr_set_internal(env, obj, buf, name, fl, oh, capa);
up(&obj->oo_guard);
RETURN(rc);
}
/*
* Set the attributes of an object
*
* The transaction passed to this routine must have
* dmu_tx_hold_bonus(tx, oid) called and then assigned
* to a transaction group.
*/
static int osd_attr_set(const struct lu_env *env, struct dt_object *dt,
const struct lu_attr *la, struct thandle *handle)
{
struct osd_thread_info *info = osd_oti_get(env);
sa_bulk_attr_t *bulk = osd_oti_get(env)->oti_attr_bulk;
struct osd_object *obj = osd_dt_obj(dt);
struct osd_device *osd = osd_obj2dev(obj);
struct osd_thandle *oh;
struct osa_attr *osa = &info->oti_osa;
__u64 valid = la->la_valid;
int cnt;
int rc = 0;
ENTRY;
down_read(&obj->oo_guard);
if (unlikely(!dt_object_exists(dt) || obj->oo_destroyed))
GOTO(out, rc = -ENOENT);
LASSERT(handle != NULL);
LASSERT(osd_invariant(obj));
LASSERT(obj->oo_sa_hdl);
oh = container_of0(handle, struct osd_thandle, ot_super);
/* Assert that the transaction has been assigned to a
transaction group. */
LASSERT(oh->ot_tx->tx_txg != 0);
/* Only allow set size for regular file */
if (!S_ISREG(dt->do_lu.lo_header->loh_attr))
valid &= ~(LA_SIZE | LA_BLOCKS);
if (valid & LA_CTIME && la->la_ctime == obj->oo_attr.la_ctime)
valid &= ~LA_CTIME;
if (valid & LA_MTIME && la->la_mtime == obj->oo_attr.la_mtime)
valid &= ~LA_MTIME;
if (valid & LA_ATIME && la->la_atime == obj->oo_attr.la_atime)
valid &= ~LA_ATIME;
if (valid == 0)
GOTO(out, rc = 0);
if (valid & LA_FLAGS) {
struct lustre_mdt_attrs *lma;
struct lu_buf buf;
if (la->la_flags & LUSTRE_LMA_FL_MASKS) {
CLASSERT(sizeof(info->oti_buf) >= sizeof(*lma));
lma = (struct lustre_mdt_attrs *)&info->oti_buf;
buf.lb_buf = lma;
buf.lb_len = sizeof(info->oti_buf);
rc = osd_xattr_get(env, &obj->oo_dt, &buf,
XATTR_NAME_LMA);
if (rc > 0) {
lma->lma_incompat =
le32_to_cpu(lma->lma_incompat);
lma->lma_incompat |=
lustre_to_lma_flags(la->la_flags);
lma->lma_incompat =
cpu_to_le32(lma->lma_incompat);
buf.lb_buf = lma;
buf.lb_len = sizeof(*lma);
rc = osd_xattr_set_internal(env, obj, &buf,
XATTR_NAME_LMA,
LU_XATTR_REPLACE,
oh);
}
if (rc < 0) {
CWARN("%s: failed to set LMA flags: rc = %d\n",
osd->od_svname, rc);
RETURN(rc);
}
}
}
/* do both accounting updates outside oo_attr_lock below */
if ((valid & LA_UID) && (la->la_uid != obj->oo_attr.la_uid)) {
/* Update user accounting. Failure isn't fatal, but we still
* log an error message */
rc = -zap_increment_int(osd->od_os, osd->od_iusr_oid,
la->la_uid, 1, oh->ot_tx);
if (rc)
CERROR("%s: failed to update accounting ZAP for user "
"%d (%d)\n", osd->od_svname, la->la_uid, rc);
rc = -zap_increment_int(osd->od_os, osd->od_iusr_oid,
obj->oo_attr.la_uid, -1, oh->ot_tx);
if (rc)
CERROR("%s: failed to update accounting ZAP for user "
"%d (%d)\n", osd->od_svname,
obj->oo_attr.la_uid, rc);
}
if ((valid & LA_GID) && (la->la_gid != obj->oo_attr.la_gid)) {
/* Update group accounting. Failure isn't fatal, but we still
* log an error message */
rc = -zap_increment_int(osd->od_os, osd->od_igrp_oid,
la->la_gid, 1, oh->ot_tx);
if (rc)
CERROR("%s: failed to update accounting ZAP for user "
"%d (%d)\n", osd->od_svname, la->la_gid, rc);
rc = -zap_increment_int(osd->od_os, osd->od_igrp_oid,
obj->oo_attr.la_gid, -1, oh->ot_tx);
if (rc)
CERROR("%s: failed to update accounting ZAP for user "
"%d (%d)\n", osd->od_svname,
obj->oo_attr.la_gid, rc);
}
write_lock(&obj->oo_attr_lock);
cnt = 0;
if (valid & LA_ATIME) {
osa->atime[0] = obj->oo_attr.la_atime = la->la_atime;
SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_ATIME(osd), NULL,
osa->atime, 16);
}
if (valid & LA_MTIME) {
osa->mtime[0] = obj->oo_attr.la_mtime = la->la_mtime;
SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MTIME(osd), NULL,
osa->mtime, 16);
}
if (valid & LA_CTIME) {
osa->ctime[0] = obj->oo_attr.la_ctime = la->la_ctime;
SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_CTIME(osd), NULL,
osa->ctime, 16);
}
if (valid & LA_MODE) {
/* mode is stored along with type, so read it first */
obj->oo_attr.la_mode = (obj->oo_attr.la_mode & S_IFMT) |
(la->la_mode & ~S_IFMT);
osa->mode = obj->oo_attr.la_mode;
SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MODE(osd), NULL,
&osa->mode, 8);
}
if (valid & LA_SIZE) {
osa->size = obj->oo_attr.la_size = la->la_size;
SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_SIZE(osd), NULL,
&osa->size, 8);
}
if (valid & LA_NLINK) {
osa->nlink = obj->oo_attr.la_nlink = la->la_nlink;
SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_LINKS(osd), NULL,
&osa->nlink, 8);
}
if (valid & LA_RDEV) {
osa->rdev = obj->oo_attr.la_rdev = la->la_rdev;
SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_RDEV(osd), NULL,
&osa->rdev, 8);
}
if (valid & LA_FLAGS) {
osa->flags = attrs_fs2zfs(la->la_flags);
/* many flags are not supported by zfs, so ensure a good cached
* copy */
obj->oo_attr.la_flags = attrs_zfs2fs(osa->flags);
SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_FLAGS(osd), NULL,
&osa->flags, 8);
}
if (valid & LA_UID) {
osa->uid = obj->oo_attr.la_uid = la->la_uid;
SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_UID(osd), NULL,
&osa->uid, 8);
}
if (valid & LA_GID) {
osa->gid = obj->oo_attr.la_gid = la->la_gid;
SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_GID(osd), NULL,
&osa->gid, 8);
}
obj->oo_attr.la_valid |= valid;
write_unlock(&obj->oo_attr_lock);
LASSERT(cnt <= ARRAY_SIZE(osd_oti_get(env)->oti_attr_bulk));
rc = osd_object_sa_bulk_update(obj, bulk, cnt, oh);
out:
up_read(&obj->oo_guard);
RETURN(rc);
}