diff options
Diffstat (limited to 'drivers/staging/lustre/lustre/osc/osc_cache.c')
| -rw-r--r-- | drivers/staging/lustre/lustre/osc/osc_cache.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/staging/lustre/lustre/osc/osc_cache.c b/drivers/staging/lustre/lustre/osc/osc_cache.c index be4511e78c04..fe9989a49f81 100644 --- a/drivers/staging/lustre/lustre/osc/osc_cache.c +++ b/drivers/staging/lustre/lustre/osc/osc_cache.c @@ -1020,7 +1020,7 @@ out: /** * This function is used to make the extent prepared for transfer. - * A race with flusing page - ll_writepage() has to be handled cautiously. + * A race with flushing page - ll_writepage() has to be handled cautiously. */ static int osc_extent_make_ready(const struct lu_env *env, struct osc_extent *ext) @@ -2146,7 +2146,7 @@ int osc_prep_async_page(struct osc_object *osc, struct osc_page *ops, oap->oap_obj_off = offset; LASSERT(!(offset & ~CFS_PAGE_MASK)); - if (!client_is_remote(exp) && cfs_capable(CFS_CAP_SYS_RESOURCE)) + if (!client_is_remote(exp) && capable(CFS_CAP_SYS_RESOURCE)) oap->oap_brw_flags = OBD_BRW_NOQUOTA; INIT_LIST_HEAD(&oap->oap_pending_item); @@ -2186,7 +2186,7 @@ int osc_queue_async_io(const struct lu_env *env, struct cl_io *io, /* Set the OBD_BRW_SRVLOCK before the page is queued. */ brw_flags |= ops->ops_srvlock ? OBD_BRW_SRVLOCK : 0; if (!client_is_remote(osc_export(osc)) && - cfs_capable(CFS_CAP_SYS_RESOURCE)) { + capable(CFS_CAP_SYS_RESOURCE)) { brw_flags |= OBD_BRW_NOQUOTA; cmd |= OBD_BRW_NOQUOTA; } @@ -2394,6 +2394,12 @@ int osc_flush_async_page(const struct lu_env *env, struct cl_io *io, * really sending the RPC. */ case OES_TRUNC: /* race with truncate, page will be redirtied */ + case OES_ACTIVE: + /* The extent is active so we need to abort and let the caller + * re-dirty the page. If we continued on here, and we were the + * one making the extent active, we could deadlock waiting for + * the page writeback to clear but it won't because the extent + * is active and won't be written out. */ GOTO(out, rc = -EAGAIN); default: break; |