int result = 0;
int brw_flags;
unsigned int max_pages;
+ unsigned int ppc_bits; /* pages per chunk bits */
+ unsigned int ppc;
+ bool sync_queue = false;
LASSERT(qin->pl_nr > 0);
osc = cl2osc(ios->cis_obj);
cli = osc_cli(osc);
max_pages = cli->cl_max_pages_per_rpc;
+ ppc_bits = cli->cl_chunkbits - PAGE_SHIFT;
+ ppc = 1 << ppc_bits;
brw_flags = osc_io_srvlock(cl2osc_io(env, ios)) ? OBD_BRW_SRVLOCK : 0;
brw_flags |= crt == CRT_WRITE ? OBD_BRW_WRITE : OBD_BRW_READ;
else /* async IO */
cl_page_list_del(env, qin, page);
- if (++queued == max_pages) {
- queued = 0;
+ queued++;
+ if (queued == max_pages) {
+ sync_queue = true;
+ } else if (crt == CRT_WRITE) {
+ unsigned int chunks;
+ unsigned int next_chunks;
+
+ chunks = (queued + ppc - 1) >> ppc_bits;
+ /* chunk number if add another page */
+ next_chunks = (queued + ppc) >> ppc_bits;
+
+ /* next page will excceed write chunk limit */
+ if (chunks == osc_max_write_chunks(cli) &&
+ next_chunks > chunks)
+ sync_queue = true;
+ }
+
+ if (sync_queue) {
result = osc_queue_sync_pages(env, io, osc, &list,
brw_flags);
if (result < 0)
break;
+ queued = 0;
+ sync_queue = false;
}
}
{
struct osc_object *osc = cl2osc(ios->cis_obj);
struct obd_import *imp = osc_cli(osc)->cl_import;
+ struct osc_io *oio = osc_env_io(env);
int rc = -EIO;
spin_lock(&imp->imp_lock);
if (likely(!imp->imp_invalid)) {
- struct osc_io *oio = osc_env_io(env);
-
atomic_inc(&osc->oo_nr_ios);
oio->oi_is_active = 1;
rc = 0;
}
spin_unlock(&imp->imp_lock);
+ if (cfs_capable(CFS_CAP_SYS_RESOURCE))
+ oio->oi_cap_sys_resource = 1;
+
return rc;
}
EXPORT_SYMBOL(osc_io_iter_init);
-int osc_io_write_iter_init(const struct lu_env *env,
- const struct cl_io_slice *ios)
+int osc_io_rw_iter_init(const struct lu_env *env,
+ const struct cl_io_slice *ios)
{
struct cl_io *io = ios->cis_io;
struct osc_io *oio = osc_env_io(env);
if (cl_io_is_append(io))
RETURN(osc_io_iter_init(env, ios));
- npages = io->u.ci_rw.rw_range.cir_count >> PAGE_SHIFT;
- if (io->u.ci_rw.rw_range.cir_pos & ~PAGE_MASK)
+ npages = io->u.ci_rw.crw_count >> PAGE_SHIFT;
+ if (io->u.ci_rw.crw_pos & ~PAGE_MASK)
++npages;
oio->oi_lru_reserved = osc_lru_reserve(osc_cli(osc), npages);
RETURN(osc_io_iter_init(env, ios));
}
-EXPORT_SYMBOL(osc_io_write_iter_init);
+EXPORT_SYMBOL(osc_io_rw_iter_init);
void osc_io_iter_fini(const struct lu_env *env,
const struct cl_io_slice *ios)
}
EXPORT_SYMBOL(osc_io_iter_fini);
-void osc_io_write_iter_fini(const struct lu_env *env,
- const struct cl_io_slice *ios)
+void osc_io_rw_iter_fini(const struct lu_env *env,
+ const struct cl_io_slice *ios)
{
struct osc_io *oio = osc_env_io(env);
struct osc_object *osc = cl2osc(ios->cis_obj);
osc_io_iter_fini(env, ios);
}
-EXPORT_SYMBOL(osc_io_write_iter_fini);
+EXPORT_SYMBOL(osc_io_rw_iter_fini);
int osc_io_fault_start(const struct lu_env *env, const struct cl_io_slice *ios)
{
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;
- ENTRY;
+ unsigned int ia_avalid = io->u.ci_setattr.sa_avalid;
+ enum op_xvalid ia_xvalid = io->u.ci_setattr.sa_xvalid;
+ int result = 0;
+ ENTRY;
/* truncate cache dirty pages first */
if (cl_io_is_trunc(io))
result = osc_cache_truncate_start(env, cl2osc(obj), size,
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;
+ if (ia_avalid & ATTR_SIZE) {
+ attr->cat_size = size;
+ attr->cat_kms = size;
cl_valid = (CAT_SIZE | CAT_KMS);
}
- if (ia_valid & ATTR_MTIME_SET) {
+ if (ia_avalid & ATTR_MTIME_SET) {
attr->cat_mtime = lvb->lvb_mtime;
cl_valid |= CAT_MTIME;
}
- if (ia_valid & ATTR_ATIME_SET) {
+ if (ia_avalid & ATTR_ATIME_SET) {
attr->cat_atime = lvb->lvb_atime;
cl_valid |= CAT_ATIME;
}
- if (ia_valid & ATTR_CTIME_SET) {
+ if (ia_xvalid & OP_XVALID_CTIME_SET) {
attr->cat_ctime = lvb->lvb_ctime;
cl_valid |= CAT_CTIME;
}
oa->o_layout = io->u.ci_setattr.sa_layout;
oa->o_valid |= OBD_MD_FLID | OBD_MD_FLGROUP |
OBD_MD_FLOSTLAYOUT;
- if (ia_valid & ATTR_CTIME) {
+ if (ia_avalid & ATTR_CTIME) {
oa->o_valid |= OBD_MD_FLCTIME;
oa->o_ctime = attr->cat_ctime;
}
- if (ia_valid & ATTR_ATIME) {
+ if (ia_avalid & ATTR_ATIME) {
oa->o_valid |= OBD_MD_FLATIME;
oa->o_atime = attr->cat_atime;
}
- if (ia_valid & ATTR_MTIME) {
+ if (ia_avalid & ATTR_MTIME) {
oa->o_valid |= OBD_MD_FLMTIME;
oa->o_mtime = attr->cat_mtime;
}
- 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;
- }
+ if (ia_avalid & 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;
+ }
if (io->ci_layout_version > 0) {
/* verify layout version */
oa->o_valid |= OBD_MD_LAYOUT_VERSION;
oa->o_layout_version = io->ci_layout_version;
}
- } else {
- LASSERT(oio->oi_lockless == 0);
- }
+ } else {
+ LASSERT(oio->oi_lockless == 0);
+ }
- if (ia_valid & ATTR_ATTR_FLAG) {
+ if (ia_xvalid & OP_XVALID_FLAGS) {
oa->o_flags = io->u.ci_setattr.sa_attr_flags;
oa->o_valid |= OBD_MD_FLFLAGS;
}
init_completion(&cbargs->opc_sync);
- if (ia_valid & ATTR_SIZE)
+ if (ia_avalid & ATTR_SIZE)
result = osc_punch_send(osc_export(cl2osc(obj)),
oa, osc_async_upcall, cbargs);
else
static int
osc_data_version_interpret(const struct lu_env *env, struct ptlrpc_request *req,
- void *arg, int rc)
+ void *args, int rc)
{
- struct osc_data_version_args *dva = arg;
+ struct osc_data_version_args *dva = args;
struct osc_io *oio = dva->dva_oio;
const struct ost_body *body;
static const struct cl_io_operations osc_io_ops = {
.op = {
[CIT_READ] = {
- .cio_iter_init = osc_io_iter_init,
- .cio_iter_fini = osc_io_iter_fini,
+ .cio_iter_init = osc_io_rw_iter_init,
+ .cio_iter_fini = osc_io_rw_iter_fini,
.cio_start = osc_io_read_start,
.cio_fini = osc_io_fini
},
[CIT_WRITE] = {
- .cio_iter_init = osc_io_write_iter_init,
- .cio_iter_fini = osc_io_write_iter_fini,
+ .cio_iter_init = osc_io_rw_iter_init,
+ .cio_iter_fini = osc_io_rw_iter_fini,
.cio_start = osc_io_write_start,
.cio_end = osc_io_end,
.cio_fini = osc_io_fini
git://git.whamcloud.com / fs / lustre-release.git / blobdiff