diff options
| author | Christoph Hellwig | 2020-11-16 15:43:46 +0100 |
|---|---|---|
| committer | Jens Axboe | 2020-12-01 14:53:38 -0700 |
| commit | ee763e2143e79fa41d2818e620e1e8ff69af87bf (patch) | |
| tree | 41496d230f2fab19e5277d71d3319c61701cc1ef | |
| parent | a6419fd810c6b3b060f75b69b09d25ea2ac1f200 (diff) | |
zram: do not call set_blocksize
set_blocksize is used by file systems to use their preferred buffer cache
block size. Block drivers should not set it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | drivers/block/zram/zram_drv.c | 11 | ||||
| -rw-r--r-- | drivers/block/zram/zram_drv.h | 1 |
2 files changed, 1 insertions, 11 deletions
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index 6d15d51cee2b..b5f68951c9d2 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -403,13 +403,10 @@ static void reset_bdev(struct zram *zram) return; bdev = zram->bdev; - if (zram->old_block_size) - set_blocksize(bdev, zram->old_block_size); blkdev_put(bdev, FMODE_READ|FMODE_WRITE|FMODE_EXCL); /* hope filp_close flush all of IO */ filp_close(zram->backing_dev, NULL); zram->backing_dev = NULL; - zram->old_block_size = 0; zram->bdev = NULL; zram->disk->fops = &zram_devops; kvfree(zram->bitmap); @@ -454,7 +451,7 @@ static ssize_t backing_dev_store(struct device *dev, struct file *backing_dev = NULL; struct inode *inode; struct address_space *mapping; - unsigned int bitmap_sz, old_block_size = 0; + unsigned int bitmap_sz; unsigned long nr_pages, *bitmap = NULL; struct block_device *bdev = NULL; int err; @@ -509,14 +506,8 @@ static ssize_t backing_dev_store(struct device *dev, goto out; } - old_block_size = block_size(bdev); - err = set_blocksize(bdev, PAGE_SIZE); - if (err) - goto out; - reset_bdev(zram); - zram->old_block_size = old_block_size; zram->bdev = bdev; zram->backing_dev = backing_dev; zram->bitmap = bitmap; diff --git a/drivers/block/zram/zram_drv.h b/drivers/block/zram/zram_drv.h index f2fd46daa760..712354a4207c 100644 --- a/drivers/block/zram/zram_drv.h +++ b/drivers/block/zram/zram_drv.h @@ -118,7 +118,6 @@ struct zram { bool wb_limit_enable; u64 bd_wb_limit; struct block_device *bdev; - unsigned int old_block_size; unsigned long *bitmap; unsigned long nr_pages; #endif |