diff options
| author | Christoph Hellwig <hch@lst.de> | 2023-04-11 19:14:54 +0200 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-04-19 01:29:59 +0200 |
| commit | 6aa4b839e7a481cc20b243168dc3333fc3d87eb0 (patch) | |
| tree | 16cdaa2f61e42eb226acd11a48a75272d8eea330 /drivers/block/zram | |
| parent | zram: refactor zram_bdev_read (diff) | |
| download | linux-6aa4b839e7a481cc20b243168dc3333fc3d87eb0.tar.xz linux-6aa4b839e7a481cc20b243168dc3333fc3d87eb0.zip | |
zram: don't pass a bvec to __zram_bvec_write
__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.
Link: https://lkml.kernel.org/r/20230411171459.567614-13-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Acked-by: Minchan Kim <minchan@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'drivers/block/zram')
| -rw-r--r-- | drivers/block/zram/zram_drv.c | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index 2e985531d8cb..cbcfb5cb2fed 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 @@ out: 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. |