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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>
This commit is contained in:
Nitin Gupta 2010-01-28 21:13:39 +05:30 committed by Greg Kroah-Hartman
parent 7eef753390
commit 5d83d5a0b5
1 changed files with 4 additions and 0 deletions
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4
drivers/staging/ramzswap/ramzswap_drv.c
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@ -1335,6 +1335,10 @@ static int create_device(struct ramzswap *rzs, int device_id)
* 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;