From: Yue Hu huyue2@yulong.com
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@gmail.com Signed-off-by: Yue Hu huyue2@yulong.com Reviewed-by: Gao Xiang xiang@kernel.org Signed-off-by: Gao Xiang xiang@kernel.org Signed-off-by: Gao Xiang hsiangkao@linux.alibaba.com --- Gao Xiang: Apply this trivial cleanup (no behavior change) for easier backporting.
fs/erofs/zdata.c | 4 +--- fs/erofs/zpvec.h | 5 +---- 2 files changed, 2 insertions(+), 7 deletions(-)
diff --git a/fs/erofs/zdata.c b/fs/erofs/zdata.c index fad80c97d247..f784feaeb819 100644 --- a/fs/erofs/zdata.c +++ b/fs/erofs/zdata.c @@ -292,7 +292,6 @@ static int z_erofs_attach_page(struct z_erofs_collector *clt, enum z_erofs_page_type type) { int ret; - bool occupied;
/* give priority for inplaceio */ if (clt->mode >= COLLECT_PRIMARY && @@ -300,8 +299,7 @@ static int z_erofs_attach_page(struct z_erofs_collector *clt, z_erofs_try_inplace_io(clt, page)) return 0;
- ret = z_erofs_pagevec_enqueue(&clt->vector, - page, type, &occupied); + ret = z_erofs_pagevec_enqueue(&clt->vector, page, type); clt->cl->vcnt += (unsigned int)ret;
return ret ? 0 : -EAGAIN; diff --git a/fs/erofs/zpvec.h b/fs/erofs/zpvec.h index 58556903aa94..a38c52610367 100644 --- a/fs/erofs/zpvec.h +++ b/fs/erofs/zpvec.h @@ -107,10 +107,8 @@ static inline void z_erofs_pagevec_ctor_init(struct z_erofs_pagevec_ctor *ctor,
static inline bool z_erofs_pagevec_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 (!ctor->next && type) if (ctor->index + 1 == ctor->nr) return false; @@ -125,7 +123,6 @@ static inline bool z_erofs_pagevec_enqueue(struct z_erofs_pagevec_ctor *ctor, /* 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++] = tagptr_fold(erofs_vtptr_t, page, type); return true;