diff options
Diffstat (limited to 'drivers/staging/lustre/lustre/osc/osc_page.c')
| -rw-r--r-- | drivers/staging/lustre/lustre/osc/osc_page.c | 36 |
1 files changed, 4 insertions, 32 deletions
diff --git a/drivers/staging/lustre/lustre/osc/osc_page.c b/drivers/staging/lustre/lustre/osc/osc_page.c index c29c2eabe..355f496a2 100644 --- a/drivers/staging/lustre/lustre/osc/osc_page.c +++ b/drivers/staging/lustre/lustre/osc/osc_page.c @@ -15,11 +15,7 @@ * * You should have received a copy of the GNU General Public License * version 2 along with this program; If not, see - * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf - * - * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, - * CA 95054 USA or visit www.sun.com if you need additional information or - * have any questions. + * http://www.gnu.org/licenses/gpl-2.0.html * * GPL HEADER END */ @@ -52,13 +48,6 @@ static int osc_lru_reserve(const struct lu_env *env, struct osc_object *obj, * @{ */ -static int osc_page_protected(const struct lu_env *env, - const struct osc_page *opg, - enum cl_lock_mode mode, int unref) -{ - return 1; -} - /***************************************************************************** * * Page operations. @@ -110,8 +99,6 @@ int osc_page_cache_add(const struct lu_env *env, struct osc_page *opg = cl2osc_page(slice); int result; - LINVRNT(osc_page_protected(env, opg, CLM_WRITE, 0)); - osc_page_transfer_get(opg, "transfer\0cache"); result = osc_queue_async_io(env, io, opg); if (result != 0) @@ -214,8 +201,6 @@ static void osc_page_delete(const struct lu_env *env, struct osc_object *obj = cl2osc(opg->ops_cl.cpl_obj); int rc; - LINVRNT(opg->ops_temp || osc_page_protected(env, opg, CLM_READ, 1)); - CDEBUG(D_TRACE, "%p\n", opg); osc_page_transfer_put(env, opg); rc = osc_teardown_async_page(env, obj, opg); @@ -254,8 +239,6 @@ static void osc_page_clip(const struct lu_env *env, struct osc_page *opg = cl2osc_page(slice); struct osc_async_page *oap = &opg->ops_oap; - LINVRNT(osc_page_protected(env, opg, CLM_READ, 0)); - opg->ops_from = from; opg->ops_to = to; spin_lock(&oap->oap_lock); @@ -269,8 +252,6 @@ static int osc_page_cancel(const struct lu_env *env, struct osc_page *opg = cl2osc_page(slice); int rc = 0; - LINVRNT(osc_page_protected(env, opg, CLM_READ, 0)); - /* Check if the transferring against this page * is completed, or not even queued. */ @@ -320,10 +301,6 @@ int osc_page_init(const struct lu_env *env, struct cl_object *obj, cl_page_slice_add(page, &opg->ops_cl, obj, index, &osc_page_ops); } - /* - * Cannot assert osc_page_protected() here as read-ahead - * creates temporary pages outside of a lock. - */ /* ops_inflight and ops_lru are the same field, but it doesn't * hurt to initialize it twice :-) */ @@ -380,10 +357,6 @@ void osc_page_submit(const struct lu_env *env, struct osc_page *opg, enum cl_req_type crt, int brw_flags) { struct osc_async_page *oap = &opg->ops_oap; - struct osc_object *obj = oap->oap_obj; - - LINVRNT(osc_page_protected(env, opg, - crt == CRT_WRITE ? CLM_WRITE : CLM_READ, 1)); LASSERTF(oap->oap_magic == OAP_MAGIC, "Bad oap magic: oap %p, magic 0x%x\n", oap, oap->oap_magic); @@ -398,8 +371,7 @@ void osc_page_submit(const struct lu_env *env, struct osc_page *opg, if (osc_over_unstable_soft_limit(oap->oap_cli)) oap->oap_brw_flags |= OBD_BRW_SOFT_SYNC; - if (!client_is_remote(osc_export(obj)) && - capable(CFS_CAP_SYS_RESOURCE)) { + if (capable(CFS_CAP_SYS_RESOURCE)) { oap->oap_brw_flags |= OBD_BRW_NOQUOTA; oap->oap_cmd |= OBD_BRW_NOQUOTA; } @@ -440,7 +412,7 @@ static int osc_cache_too_much(struct client_obd *cli) int pages = atomic_read(&cli->cl_lru_in_list); unsigned long budget; - budget = cache->ccc_lru_max / atomic_read(&cache->ccc_users); + budget = cache->ccc_lru_max / (atomic_read(&cache->ccc_users) - 2); /* if it's going to run out LRU slots, we should free some, but not * too much to maintain fairness among OSCs. @@ -740,7 +712,7 @@ int osc_lru_reclaim(struct client_obd *cli) cache->ccc_lru_shrinkers++; list_move_tail(&cli->cl_lru_osc, &cache->ccc_lru); - max_scans = atomic_read(&cache->ccc_users); + max_scans = atomic_read(&cache->ccc_users) - 2; while (--max_scans > 0 && !list_empty(&cache->ccc_lru)) { cli = list_entry(cache->ccc_lru.next, struct client_obd, cl_lru_osc); |