static void osc_io_setattr_end(const struct lu_env *env,
const struct cl_io_slice *slice)
{
struct cl_io *io = slice->cis_io;
struct osc_io *oio = cl2osc_io(env, slice);
struct cl_object *obj = slice->cis_obj;
struct osc_async_cbargs *cbargs = &oio->oi_cbarg;
int result = 0;
if (cbargs->opc_rpc_sent) {
wait_for_completion(&cbargs->opc_sync);
result = io->ci_result = cbargs->opc_rc;
}
if (result == 0) {
if (oio->oi_lockless) {
/* lockless truncate */
struct osc_device *osd = lu2osc_dev(obj->co_lu.lo_dev);
LASSERT(cl_io_is_trunc(io));
/* XXX: Need a lock. */
osd->od_stats.os_lockless_truncates++;
}
}
if (cl_io_is_trunc(io)) {
__u64 size = io->u.ci_setattr.sa_attr.lvb_size;
osc_trunc_check(env, io, oio, size);
if (oio->oi_trunc != NULL) {
osc_cache_truncate_end(env, oio, cl2osc(obj));
oio->oi_trunc = NULL;
}
}
}
static void vvp_io_setattr_end(const struct lu_env *env,
const struct cl_io_slice *ios)
{
struct cl_io *io = ios->cis_io;
struct inode *inode = ccc_object_inode(io->ci_obj);
if (cl_io_is_trunc(io)) {
/* Truncate in memory pages - they must be clean pages
* because osc has already notified to destroy osc_extents. */
vvp_do_vmtruncate(inode, io->u.ci_setattr.sa_attr.lvb_size);
inode_dio_write_done(inode);
}
mutex_unlock(&inode->i_mutex);
}
static int vvp_io_setattr_start(const struct lu_env *env,
const struct cl_io_slice *ios)
{
struct cl_io *io = ios->cis_io;
struct inode *inode = ccc_object_inode(io->ci_obj);
int result = 0;
mutex_lock(&inode->i_mutex);
if (cl_io_is_trunc(io))
result = vvp_io_setattr_trunc(env, ios, inode,
io->u.ci_setattr.sa_attr.lvb_size);
if (result == 0)
result = vvp_io_setattr_time(env, ios);
return result;
}
/**
* Implementation of cl_io_operations::cio_lock() method for CIT_SETATTR io.
*
* Handles "lockless io" mode when extent locking is done by server.
*/
static int vvp_io_setattr_lock(const struct lu_env *env,
const struct cl_io_slice *ios)
{
struct ccc_io *cio = ccc_env_io(env);
struct cl_io *io = ios->cis_io;
__u64 new_size;
__u32 enqflags = 0;
if (cl_io_is_trunc(io)) {
new_size = io->u.ci_setattr.sa_attr.lvb_size;
if (new_size == 0)
enqflags = CEF_DISCARD_DATA;
} else {
if ((io->u.ci_setattr.sa_attr.lvb_mtime >=
io->u.ci_setattr.sa_attr.lvb_ctime) ||
(io->u.ci_setattr.sa_attr.lvb_atime >=
io->u.ci_setattr.sa_attr.lvb_ctime))
return 0;
new_size = 0;
}
cio->u.setattr.cui_local_lock = SETATTR_EXTENT_LOCK;
return ccc_io_one_lock(env, io, enqflags, CLM_WRITE,
new_size, OBD_OBJECT_EOF);
}
static int osc_io_setattr_start(const struct lu_env *env,
const struct cl_io_slice *slice)
{
struct cl_io *io = slice->cis_io;
struct osc_io *oio = cl2osc_io(env, slice);
struct cl_object *obj = slice->cis_obj;
struct lov_oinfo *loi = cl2osc(obj)->oo_oinfo;
struct cl_attr *attr = &osc_env_info(env)->oti_attr;
struct obdo *oa = &oio->oi_oa;
struct osc_async_cbargs *cbargs = &oio->oi_cbarg;
__u64 size = io->u.ci_setattr.sa_attr.lvb_size;
unsigned int ia_valid = io->u.ci_setattr.sa_valid;
int result = 0;
struct obd_info oinfo = { { { 0 } } };
/* truncate cache dirty pages first */
if (cl_io_is_trunc(io))
result = osc_cache_truncate_start(env, oio, cl2osc(obj), size);
if (result == 0 && oio->oi_lockless == 0) {
cl_object_attr_lock(obj);
result = cl_object_attr_get(env, obj, attr);
if (result == 0) {
struct ost_lvb *lvb = &io->u.ci_setattr.sa_attr;
unsigned int cl_valid = 0;
if (ia_valid & ATTR_SIZE) {
attr->cat_size = attr->cat_kms = size;
cl_valid = (CAT_SIZE | CAT_KMS);
}
if (ia_valid & ATTR_MTIME_SET) {
attr->cat_mtime = lvb->lvb_mtime;
cl_valid |= CAT_MTIME;
}
if (ia_valid & ATTR_ATIME_SET) {
attr->cat_atime = lvb->lvb_atime;
cl_valid |= CAT_ATIME;
}
if (ia_valid & ATTR_CTIME_SET) {
attr->cat_ctime = lvb->lvb_ctime;
cl_valid |= CAT_CTIME;
}
result = cl_object_attr_set(env, obj, attr, cl_valid);
}
cl_object_attr_unlock(obj);
}
memset(oa, 0, sizeof(*oa));
if (result == 0) {
oa->o_oi = loi->loi_oi;
oa->o_mtime = attr->cat_mtime;
oa->o_atime = attr->cat_atime;
oa->o_ctime = attr->cat_ctime;
oa->o_valid = OBD_MD_FLID | OBD_MD_FLGROUP | OBD_MD_FLATIME |
OBD_MD_FLCTIME | OBD_MD_FLMTIME;
if (ia_valid & ATTR_SIZE) {
oa->o_size = size;
oa->o_blocks = OBD_OBJECT_EOF;
oa->o_valid |= OBD_MD_FLSIZE | OBD_MD_FLBLOCKS;
if (oio->oi_lockless) {
oa->o_flags = OBD_FL_SRVLOCK;
oa->o_valid |= OBD_MD_FLFLAGS;
}
} else {
LASSERT(oio->oi_lockless == 0);
}
oinfo.oi_oa = oa;
oinfo.oi_capa = io->u.ci_setattr.sa_capa;
init_completion(&cbargs->opc_sync);
if (ia_valid & ATTR_SIZE)
result = osc_punch_base(osc_export(cl2osc(obj)),
&oinfo, osc_async_upcall,
cbargs, PTLRPCD_SET);
else
result = osc_setattr_async_base(osc_export(cl2osc(obj)),
&oinfo, NULL,
osc_async_upcall,
cbargs, PTLRPCD_SET);
cbargs->opc_rpc_sent = result == 0;
}
return result;
}
