This is a note to let you know that I've just added the patch titled
erofs: remove the occupied parameter from z_erofs_pagevec_enqueue()
to the 4.19-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
erofs-remove-the-occupied-parameter-from-z_erofs_pagevec_enqueue.patch
and it can be found in the queue-4.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From foo@baz Fri Nov 19 03:26:51 PM CET 2021
From: Gao Xiang <[email protected]>
Date: Tue, 16 Nov 2021 10:41:52 +0800
Subject: erofs: remove the occupied parameter from z_erofs_pagevec_enqueue()
To: Greg Kroah-Hartman <[email protected]>, [email protected]
Cc: [email protected], Yue Hu <[email protected]>, Gao Xiang
<[email protected]>, Gao Xiang <[email protected]>
Message-ID: <[email protected]>
From: Yue Hu <[email protected]>
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/[email protected]
Signed-off-by: Yue Hu <[email protected]>
Reviewed-by: Gao Xiang <[email protected]>
Signed-off-by: Gao Xiang <[email protected]>
[ Gao Xiang: handle 4.19 codebase conflicts manually. ]
Signed-off-by: Gao Xiang <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
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;
Patches currently in stable-queue which might be from
[email protected] are
queue-4.19/lib-xz-validate-the-value-before-assigning-it-to-an-.patch
queue-4.19/erofs-fix-unsafe-pagevec-reuse-of-hooked-pclusters.patch
queue-4.19/lib-xz-avoid-overlapping-memcpy-with-invalid-input-w.patch
queue-4.19/erofs-remove-the-occupied-parameter-from-z_erofs_pagevec_enqueue.patch