__zram_bvec_write only extracts the page from __zram_bvec_write and
always expects a full page of input. Pass the page directly instead
of the bvec and rename the function to zram_write_page.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>
Acked-by: Minchan Kim <minchan@xxxxxxxxxx>
---
drivers/block/zram/zram_drv.c | 14 ++++----------
1 file changed, 4 insertions(+), 10 deletions(-)
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index f2467ea1699a99..e8b81471be3dfe 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -1443,8 +1443,7 @@ static int zram_bvec_read(struct zram *zram, struct bio_vec *bvec,
return zram_read_page(zram, bvec->bv_page, index, bio, false);
}
-static int __zram_bvec_write(struct zram *zram, struct bio_vec *bvec,
- u32 index, struct bio *bio)
+static int zram_write_page(struct zram *zram, struct page *page, u32 index)
{
int ret = 0;
unsigned long alloced_pages;
@@ -1452,7 +1451,6 @@ static int __zram_bvec_write(struct zram *zram, struct bio_vec *bvec,
unsigned int comp_len = 0;
void *src, *dst, *mem;
struct zcomp_strm *zstrm;
- struct page *page = bvec->bv_page;
unsigned long element = 0;
enum zram_pageflags flags = 0;
@@ -1573,11 +1571,9 @@ static int __zram_bvec_write(struct zram *zram, struct bio_vec *bvec,
static int zram_bvec_write(struct zram *zram, struct bio_vec *bvec,
u32 index, int offset, struct bio *bio)
{
+ struct page *page = bvec->bv_page;
int ret;
- struct page *page = NULL;
- struct bio_vec vec;
- vec = *bvec;
if (is_partial_io(bvec)) {
/*
* This is a partial IO. We need to read the full page
@@ -1592,11 +1588,9 @@ static int zram_bvec_write(struct zram *zram, struct bio_vec *bvec,
goto out;
memcpy_from_bvec(page_address(page) + offset, bvec);
-
- bvec_set_page(&vec, page, PAGE_SIZE, 0);
}
- ret = __zram_bvec_write(zram, &vec, index, bio);
+ ret = zram_write_page(zram, page, index);
out:
if (is_partial_io(bvec))
__free_page(page);
@@ -1711,7 +1705,7 @@ static int zram_recompress(struct zram *zram, u32 index, struct page *page,
/*
* No direct reclaim (slow path) for handle allocation and no
- * re-compression attempt (unlike in __zram_bvec_write()) since
+ * re-compression attempt (unlike in zram_write_bvec()) since
* we already have stored that object in zsmalloc. If we cannot
* alloc memory for recompressed object then we bail out and
* simply keep the old (existing) object in zsmalloc.
--
2.39.2
