struct lov_user_md_v3 eti_lum;
struct md_attr eti_ma;
struct lu_name eti_lname;
+ /* per-thread values, can be re-used */
+ void *eti_big_lmm;
+ int eti_big_lmmsize;
char eti_name[20];
struct lu_buf eti_buf;
char eti_xattr_buf[LUSTRE_POSIX_ACL_MAX_SIZE];
lname->ln_namelen = strlen(name);
}
+/* similar to mdt_attr_get_complex */
+static int echo_big_lmm_get(const struct lu_env *env, struct md_object *o,
+ struct md_attr *ma)
+{
+ struct echo_thread_info *info = echo_env_info(env);
+ int rc;
+
+ ENTRY;
+
+ LASSERT(ma->ma_lmm_size > 0);
+
+ rc = mo_xattr_get(env, o, &LU_BUF_NULL, XATTR_NAME_LOV);
+ if (rc < 0)
+ RETURN(rc);
+
+ /* big_lmm may need to be grown */
+ if (info->eti_big_lmmsize < rc) {
+ int size = size_roundup_power2(rc);
+
+ if (info->eti_big_lmmsize > 0) {
+ /* free old buffer */
+ LASSERT(info->eti_big_lmm);
+ OBD_FREE_LARGE(info->eti_big_lmm,
+ info->eti_big_lmmsize);
+ info->eti_big_lmm = NULL;
+ info->eti_big_lmmsize = 0;
+ }
+
+ OBD_ALLOC_LARGE(info->eti_big_lmm, size);
+ if (info->eti_big_lmm == NULL)
+ RETURN(-ENOMEM);
+ info->eti_big_lmmsize = size;
+ }
+ LASSERT(info->eti_big_lmmsize >= rc);
+
+ info->eti_buf.lb_buf = info->eti_big_lmm;
+ info->eti_buf.lb_len = info->eti_big_lmmsize;
+ rc = mo_xattr_get(env, o, &info->eti_buf, XATTR_NAME_LOV);
+ if (rc < 0)
+ RETURN(rc);
+
+ ma->ma_valid |= MA_LOV;
+ ma->ma_lmm = info->eti_big_lmm;
+ ma->ma_lmm_size = rc;
+
+ RETURN(0);
+}
+
+int echo_attr_get_complex(const struct lu_env *env, struct md_object *next,
+ struct md_attr *ma)
+{
+ struct echo_thread_info *info = echo_env_info(env);
+ struct lu_buf *buf = &info->eti_buf;
+ cfs_umode_t mode = lu_object_attr(&next->mo_lu);
+ int need = ma->ma_need;
+ int rc = 0, rc2;
+
+ ENTRY;
+
+ ma->ma_valid = 0;
+
+ if (need & MA_INODE) {
+ ma->ma_need = MA_INODE;
+ rc = mo_attr_get(env, next, ma);
+ if (rc)
+ GOTO(out, rc);
+ ma->ma_valid |= MA_INODE;
+ }
+
+ if (need & MA_LOV) {
+ if (S_ISREG(mode) || S_ISDIR(mode)) {
+ LASSERT(ma->ma_lmm_size > 0);
+ buf->lb_buf = ma->ma_lmm;
+ buf->lb_len = ma->ma_lmm_size;
+ rc2 = mo_xattr_get(env, next, buf, XATTR_NAME_LOV);
+ if (rc2 > 0) {
+ ma->ma_lmm_size = rc2;
+ ma->ma_valid |= MA_LOV;
+ } else if (rc2 == -ENODATA) {
+ /* no LOV EA */
+ ma->ma_lmm_size = 0;
+ } else if (rc2 == -ERANGE) {
+ rc2 = echo_big_lmm_get(env, next, ma);
+ if (rc2 < 0)
+ GOTO(out, rc = rc2);
+ } else {
+ GOTO(out, rc = rc2);
+ }
+ }
+ }
+
+#ifdef CONFIG_FS_POSIX_ACL
+ if (need & MA_ACL_DEF && S_ISDIR(mode)) {
+ buf->lb_buf = ma->ma_acl;
+ buf->lb_len = ma->ma_acl_size;
+ rc2 = mo_xattr_get(env, next, buf, XATTR_NAME_ACL_DEFAULT);
+ if (rc2 > 0) {
+ ma->ma_acl_size = rc2;
+ ma->ma_valid |= MA_ACL_DEF;
+ } else if (rc2 == -ENODATA) {
+ /* no ACLs */
+ ma->ma_acl_size = 0;
+ } else {
+ GOTO(out, rc = rc2);
+ }
+ }
+#endif
+out:
+ ma->ma_need = need;
+ CDEBUG(D_INODE, "after getattr rc = %d, ma_valid = "LPX64" ma_lmm=%p\n",
+ rc, ma->ma_valid, ma->ma_lmm);
+ RETURN(rc);
+}
+
static int
echo_md_create_internal(const struct lu_env *env, struct echo_device *ed,
struct md_object *parent, struct lu_fid *fid,
struct lu_object_conf conf = { .loc_flags = LOC_F_NEW };
int rc;
+ ENTRY;
+
rc = mdo_lookup(env, parent, lname, fid2, spec);
if (rc == 0)
return -EEXIST;
if (IS_ERR(ec_child)) {
CERROR("Can not find the child "DFID": rc = %ld\n", PFID(fid),
PTR_ERR(ec_child));
- return PTR_ERR(ec_child);
+ RETURN(PTR_ERR(ec_child));
}
child = lu_object_locate(ec_child->lo_header, ld->ld_type);
}
CDEBUG(D_RPCTRACE, "End creating object "DFID" %s %p rc = %d\n",
PFID(lu_object_fid(&parent->mo_lu)), lname->ln_name, parent, rc);
+ EXIT;
out_put:
lu_object_put(env, ec_child);
return rc;
}
-static int echo_set_lmm_size(const struct lu_env *env,
- struct lu_device *ld,
- struct md_attr *ma, int *lmm_size,
- int *cookie_size)
+static int echo_set_lmm_size(const struct lu_env *env, struct lu_device *ld,
+ struct md_attr *ma)
{
- struct md_device *md = lu2md_dev(ld);
- int rc;
- ENTRY;
-
- md = lu2md_dev(ld);
- rc = md->md_ops->mdo_maxsize_get(env, md,
- lmm_size, cookie_size);
- if (rc)
- RETURN(rc);
-
- ma->ma_lmm_size = *lmm_size;
- if (*lmm_size > 0) {
- OBD_ALLOC(ma->ma_lmm, *lmm_size);
- if (ma->ma_lmm == NULL) {
- ma->ma_lmm_size = 0;
- RETURN(-ENOMEM);
- }
- }
+ struct echo_thread_info *info = echo_env_info(env);
- ma->ma_cookie_size = *cookie_size;
- if (*cookie_size > 0) {
- OBD_ALLOC(ma->ma_cookie, *cookie_size);
- if (ma->ma_cookie == NULL) {
- ma->ma_cookie_size = 0;
- RETURN(-ENOMEM);
- }
+ if (strcmp(ld->ld_type->ldt_name, LUSTRE_MDD_NAME)) {
+ ma->ma_lmm = (void *)&info->eti_lmm;
+ ma->ma_lmm_size = sizeof(info->eti_lmm);
+ } else {
+ LASSERT(info->eti_big_lmmsize);
+ ma->ma_lmm = info->eti_big_lmm;
+ ma->ma_lmm_size = info->eti_big_lmmsize;
}
- RETURN(0);
+ return 0;
}
static int echo_create_md_object(const struct lu_env *env,
struct md_attr *ma = &info->eti_ma;
struct lu_device *ld = ed->ed_next;
int rc = 0;
- int lmm_size = 0;
- int cookie_size = 0;
int i;
+ ENTRY;
+
parent = lu_object_locate(ec_parent->lo_header, ld->ld_type);
- if (ec_parent == NULL) {
- lu_object_put(env, ec_parent);
- RETURN(PTR_ERR(parent));
- }
+ if (parent == NULL)
+ RETURN(-ENXIO);
memset(ma, 0, sizeof(*ma));
memset(spec, 0, sizeof(*spec));
if (stripe_count != 0) {
spec->sp_cr_flags |= FMODE_WRITE;
- rc = echo_set_lmm_size(env, ld, ma, &lmm_size, &cookie_size);
- if (rc)
- GOTO(out_free, rc);
+ echo_set_lmm_size(env, ld, ma);
if (stripe_count != -1) {
struct lov_user_md_v3 *lum = &info->eti_lum;
+
lum->lmm_magic = LOV_USER_MAGIC_V3;
lum->lmm_stripe_count = stripe_count;
lum->lmm_stripe_offset = stripe_offset;
/* If name is specified, only create one object by name */
rc = echo_md_create_internal(env, ed, lu2md(parent), fid, lname,
spec, ma);
- GOTO(out_free, rc);
+ RETURN(rc);
}
/* Create multiple object sequenced by id */
fid->f_oid++;
}
-out_free:
- if (lmm_size > 0 && ma->ma_lmm != NULL)
- OBD_FREE(ma->ma_lmm, lmm_size);
- if (cookie_size > 0 && ma->ma_cookie != NULL)
- OBD_FREE(ma->ma_cookie, cookie_size);
-
- return rc;
+ RETURN(rc);
}
static struct lu_object *echo_md_lookup(const struct lu_env *env,
int rc = 0;
int i;
+ ENTRY;
+
parent = lu_object_locate(ec_parent->lo_header, ld->ld_type);
- if (ec_parent == NULL) {
- lu_object_put(env, ec_parent);
- return PTR_ERR(parent);
- }
+ if (parent == NULL)
+ RETURN(-ENXIO);
- buf->lb_buf = info->eti_xattr_buf;
- buf->lb_len = sizeof(info->eti_xattr_buf);
for (i = 0; i < count; i++) {
struct lu_object *ec_child, *child;
CDEBUG(D_RPCTRACE, "Start setattr object "DFID"\n",
PFID(lu_object_fid(child)));
+ buf->lb_buf = info->eti_xattr_buf;
+ buf->lb_len = sizeof(info->eti_xattr_buf);
+
sprintf(name, "%s.test1", XATTR_USER_PREFIX);
rc = mo_xattr_set(env, lu2md(child), buf, name,
LU_XATTR_CREATE);
- if (rc) {
+ if (rc < 0) {
CERROR("Can not setattr child "DFID": rc = %d\n",
PFID(lu_object_fid(child)), rc);
lu_object_put(env, ec_child);
id++;
lu_object_put(env, ec_child);
}
- return rc;
+ RETURN(rc);
}
static int echo_getattr_object(const struct lu_env *env,
struct md_attr *ma = &info->eti_ma;
struct lu_device *ld = ed->ed_next;
int rc = 0;
- int lmm_size = 0;
- int cookie_size = 0;
int i;
+ ENTRY;
+
parent = lu_object_locate(ec_parent->lo_header, ld->ld_type);
- if (ec_parent == NULL) {
- lu_object_put(env, ec_parent);
- return PTR_ERR(parent);
- }
+ if (parent == NULL)
+ RETURN(-ENXIO);
memset(ma, 0, sizeof(*ma));
- rc = echo_set_lmm_size(env, ld, ma, &lmm_size, &cookie_size);
- if (rc)
- GOTO(out_free, rc);
-
ma->ma_need |= MA_INODE | MA_LOV | MA_PFID | MA_HSM | MA_ACL_DEF;
ma->ma_acl = info->eti_xattr_buf;
ma->ma_acl_size = sizeof(info->eti_xattr_buf);
ma->ma_valid = 0;
echo_md_build_name(lname, name, id);
+ echo_set_lmm_size(env, ld, ma);
ec_child = echo_md_lookup(env, ed, lu2md(parent), lname);
if (IS_ERR(ec_child)) {
if (child == NULL) {
CERROR("Can not locate the child %s\n", lname->ln_name);
lu_object_put(env, ec_child);
- GOTO(out_free, rc = -EINVAL);
+ RETURN(-EINVAL);
}
CDEBUG(D_RPCTRACE, "Start getattr object "DFID"\n",
PFID(lu_object_fid(child)));
- rc = mo_attr_get(env, lu2md(child), ma);
+ rc = echo_attr_get_complex(env, lu2md(child), ma);
if (rc) {
CERROR("Can not getattr child "DFID": rc = %d\n",
PFID(lu_object_fid(child)), rc);
lu_object_put(env, ec_child);
}
-out_free:
- if (lmm_size > 0 && ma->ma_lmm != NULL)
- OBD_FREE(ma->ma_lmm, lmm_size);
- if (cookie_size > 0 && ma->ma_cookie != NULL)
- OBD_FREE(ma->ma_cookie, cookie_size);
- return rc;
+ RETURN(rc);
}
static int echo_lookup_object(const struct lu_env *env,
int i;
parent = lu_object_locate(ec_parent->lo_header, ld->ld_type);
- if (ec_parent == NULL) {
- lu_object_put(env, ec_parent);
- return PTR_ERR(parent);
- }
+ if (parent == NULL)
+ return -ENXIO;
/*prepare the requests*/
for (i = 0; i < count; i++) {
struct lu_object *child;
int rc;
+ ENTRY;
+
ec_child = echo_md_lookup(env, ed, parent, lname);
if (IS_ERR(ec_child)) {
CERROR("Can't find child %s: rc = %ld\n", lname->ln_name,
struct lu_device *ld = ed->ed_next;
struct lu_object *parent;
int rc = 0;
- int lmm_size = 0;
- int cookie_size = 0;
int i;
ENTRY;
ma->ma_need = MA_INODE;
ma->ma_valid = 0;
- rc = echo_set_lmm_size(env, ld, ma, &lmm_size, &cookie_size);
- if (rc)
- GOTO(out_free, rc);
if (name != NULL) {
lname->ln_name = name;
lname->ln_namelen = namelen;
rc = echo_md_destroy_internal(env, ed, lu2md(parent), lname,
ma);
- GOTO(out_free, rc);
+ RETURN(rc);
}
/*prepare the requests*/
for (i = 0; i < count; i++) {
char *tmp_name = info->eti_name;
- ma->ma_need |= MA_LOV;
ma->ma_valid = 0;
echo_md_build_name(lname, tmp_name, id);
id++;
}
-out_free:
- if (lmm_size > 0 && ma->ma_lmm != NULL)
- OBD_FREE(ma->ma_lmm, lmm_size);
- if (cookie_size > 0 && ma->ma_cookie != NULL)
- OBD_FREE(ma->ma_cookie, cookie_size);
RETURN(rc);
}
char *path, int path_len, int id, int count,
struct obd_ioctl_data *data)
{
+ struct echo_thread_info *info;
struct lu_device *ld = ed->ed_next;
struct lu_env *env;
int refcheck;
RETURN(PTR_ERR(env));
rc = lu_env_refill_by_tags(env, ECHO_MD_CTX_TAG, ECHO_MD_SES_TAG);
- if (rc != 0) {
- cl_env_put(env, &refcheck);
- RETURN(rc);
- }
+ if (rc != 0)
+ GOTO(out_env, rc);
+
+ /* init big_lmm buffer */
+ info = echo_env_info(env);
+ LASSERT(info->eti_big_lmm == NULL);
+ OBD_ALLOC_LARGE(info->eti_big_lmm, MIN_MD_SIZE);
+ if (info->eti_big_lmm == NULL)
+ GOTO(out_env, rc = -ENOMEM);
+ info->eti_big_lmmsize = MIN_MD_SIZE;
parent = echo_resolve_path(env, ed, path, path_len);
if (IS_ERR(parent)) {
CERROR("Can not resolve the path %s: rc = %ld\n", path,
PTR_ERR(parent));
- cl_env_put(env, &refcheck);
- RETURN(PTR_ERR(parent));
+ GOTO(out_free, PTR_ERR(parent));
}
if (namelen > 0) {
OBD_ALLOC(name, namelen + 1);
if (name == NULL)
- RETURN(-ENOMEM);
- if (cfs_copy_from_user(name, data->ioc_pbuf2, namelen)) {
- OBD_FREE(name, namelen + 1);
- RETURN(-EFAULT);
- }
+ GOTO(out_put, rc = -ENOMEM);
+ if (cfs_copy_from_user(name, data->ioc_pbuf2, namelen))
+ GOTO(out_name, rc = -EFAULT);
}
switch (command) {
rc = -EINVAL;
break;
}
+out_name:
if (name != NULL)
OBD_FREE(name, namelen + 1);
+out_put:
lu_object_put(env, parent);
+out_free:
+ LASSERT(info->eti_big_lmm);
+ OBD_FREE_LARGE(info->eti_big_lmm, info->eti_big_lmmsize);
+ info->eti_big_lmm = NULL;
+ info->eti_big_lmmsize = 0;
+out_env:
cl_env_put(env, &refcheck);
return rc;
}