[PATCH 4.19 257/323] erofs: remove the occupied parameter from z_erofs_pagevec_enqueue()

From: Greg Kroah-Hartman
Date: Wed Nov 24 2021 - 08:16:00 EST


From: Yue Hu <huyue2@xxxxxxxxxx>

commit 7dea3de7d384f4c8156e8bd93112ba6db1eb276c upstream.

No any behavior to variable occupied in z_erofs_attach_page() which
is only caller to z_erofs_pagevec_enqueue().

Link: https://lore.kernel.org/r/20210419102623.2015-1-zbestahu@xxxxxxxxx
Signed-off-by: Yue Hu <huyue2@xxxxxxxxxx>
Reviewed-by: Gao Xiang <xiang@xxxxxxxxxx>
Signed-off-by: Gao Xiang <xiang@xxxxxxxxxx>
[ Gao Xiang: handle 4.19 codebase conflicts manually. ]
Signed-off-by: Gao Xiang <hsiangkao@xxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/erofs/unzip_pagevec.h | 5 +----
drivers/staging/erofs/unzip_vle.c | 4 +---
2 files changed, 2 insertions(+), 7 deletions(-)

--- a/drivers/staging/erofs/unzip_pagevec.h
+++ b/drivers/staging/erofs/unzip_pagevec.h
@@ -117,10 +117,8 @@ static inline void z_erofs_pagevec_ctor_
static inline bool
z_erofs_pagevec_ctor_enqueue(struct z_erofs_pagevec_ctor *ctor,
struct page *page,
- enum z_erofs_page_type type,
- bool *occupied)
+ enum z_erofs_page_type type)
{
- *occupied = false;
if (unlikely(ctor->next == NULL && type))
if (ctor->index + 1 == ctor->nr)
return false;
@@ -135,7 +133,6 @@ z_erofs_pagevec_ctor_enqueue(struct z_er
/* should remind that collector->next never equal to 1, 2 */
if (type == (uintptr_t)ctor->next) {
ctor->next = page;
- *occupied = true;
}

ctor->pages[ctor->index++] =
--- a/drivers/staging/erofs/unzip_vle.c
+++ b/drivers/staging/erofs/unzip_vle.c
@@ -234,7 +234,6 @@ static int z_erofs_vle_work_add_page(
enum z_erofs_page_type type)
{
int ret;
- bool occupied;

/* give priority for the compressed data storage */
if (builder->role >= Z_EROFS_VLE_WORK_PRIMARY &&
@@ -242,8 +241,7 @@ static int z_erofs_vle_work_add_page(
try_to_reuse_as_compressed_page(builder, page))
return 0;

- ret = z_erofs_pagevec_ctor_enqueue(&builder->vector,
- page, type, &occupied);
+ ret = z_erofs_pagevec_ctor_enqueue(&builder->vector, page, type);
builder->work->vcnt += (unsigned)ret;

return ret ? 0 : -EAGAIN;