Staging: ramzswap: Set block size to PAGE_SIZE
ramzswap block size needs to be set equal to PAGE_SIZE to
avoid receiving any unaligned block I/O requests (happens
due to readahead logic during swapon). These unaligned
accesses produce unnecessary I/O errors, scaring users.
Signed-off-by: Nitin Gupta <ngupta@vflare.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/staging/ramzswap/ramzswap_drv.c b/drivers/staging/ramzswap/ramzswap_drv.c
index 3567ee3..2021ad6 100644
--- a/drivers/staging/ramzswap/ramzswap_drv.c
+++ b/drivers/staging/ramzswap/ramzswap_drv.c
@@ -1335,6 +1335,10 @@
* or set equal to backing swap device (if provided)
*/
set_capacity(rzs->disk, 0);
+
+ blk_queue_physical_block_size(rzs->disk->queue, PAGE_SIZE);
+ blk_queue_logical_block_size(rzs->disk->queue, PAGE_SIZE);
+
add_disk(rzs->disk);
rzs->init_done = 0;