diff options
Diffstat (limited to 'drivers/staging/lustre/lustre/obdclass/cl_page.c')
| -rw-r--r-- | drivers/staging/lustre/lustre/obdclass/cl_page.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/drivers/staging/lustre/lustre/obdclass/cl_page.c b/drivers/staging/lustre/lustre/obdclass/cl_page.c index a7f3032f34dd..d5fb81f84cd4 100644 --- a/drivers/staging/lustre/lustre/obdclass/cl_page.c +++ b/drivers/staging/lustre/lustre/obdclass/cl_page.c @@ -51,13 +51,13 @@ static void cl_page_delete0(const struct lu_env *env, struct cl_page *pg, int radix); -# define PASSERT(env, page, expr) \ - do { \ - if (unlikely(!(expr))) { \ - CL_PAGE_DEBUG(D_ERROR, (env), (page), #expr "\n"); \ - LASSERT(0); \ - } \ - } while (0) +# define PASSERT(env, page, expr) \ + do { \ + if (unlikely(!(expr))) { \ + CL_PAGE_DEBUG(D_ERROR, (env), (page), #expr "\n"); \ + LASSERT(0); \ + } \ + } while (0) # define PINVRNT(env, page, exp) \ ((void)sizeof(env), (void)sizeof(page), (void)sizeof !!(exp)) @@ -169,6 +169,7 @@ int cl_page_gang_lookup(const struct lu_env *env, struct cl_object *obj, while ((nr = radix_tree_gang_lookup(&hdr->coh_tree, (void **)pvec, idx, CLT_PVEC_SIZE)) > 0) { int end_of_region = 0; + idx = pvec[nr - 1]->cp_index + 1; for (i = 0, j = 0; i < nr; ++i) { page = pvec[i]; @@ -286,6 +287,7 @@ static struct cl_page *cl_page_alloc(const struct lu_env *env, GFP_NOFS); if (page != NULL) { int result = 0; + atomic_set(&page->cp_ref, 1); if (type == CPT_CACHEABLE) /* for radix tree */ atomic_inc(&page->cp_ref); @@ -352,8 +354,10 @@ static struct cl_page *cl_page_find0(const struct lu_env *env, idx, PFID(&hdr->coh_lu.loh_fid), vmpage, vmpage->private, type); /* fast path. */ if (type == CPT_CACHEABLE) { - /* vmpage lock is used to protect the child/parent - * relationship */ + /* + * vmpage lock is used to protect the child/parent + * relationship + */ KLASSERT(PageLocked(vmpage)); /* * cl_vmpage_page() can be called here without any locks as @@ -372,9 +376,8 @@ static struct cl_page *cl_page_find0(const struct lu_env *env, idx) == page)); } - if (page != NULL) { + if (page != NULL) return page; - } /* allocate and initialize cl_page */ page = cl_page_alloc(env, o, idx, vmpage, type); @@ -1189,9 +1192,6 @@ int cl_page_prep(const struct lu_env *env, struct cl_io *io, if (result == 0) cl_page_io_start(env, pg, crt); - KLASSERT(ergo(crt == CRT_WRITE && pg->cp_type == CPT_CACHEABLE, - equi(result == 0, - PageWriteback(cl_page_vmpage(env, pg))))); CL_PAGE_HEADER(D_TRACE, env, pg, "%d %d\n", crt, result); return result; } @@ -1425,7 +1425,7 @@ void cl_page_clip(const struct lu_env *env, struct cl_page *pg, CL_PAGE_HEADER(D_TRACE, env, pg, "%d %d\n", from, to); CL_PAGE_INVOID(env, pg, CL_PAGE_OP(cpo_clip), (const struct lu_env *, - const struct cl_page_slice *,int, int), + const struct cl_page_slice *, int, int), from, to); } EXPORT_SYMBOL(cl_page_clip); |