On 2019/3/25 11:40, Gao Xiang wrote: > Used to simulate disk IO read error for testing fatal > error tolerance. > > Here are the details, > 1) use bio->bi_private to indicate super_block > for non-compressed bios since some (mainly meta) > pages can be of the corresponding bdev inode; > 2) get super_block dynamically for compressed bios, > therefore it could not inject bios full of staging > pages, yet it doesn't affect the normal usage. > > Signed-off-by: Gao Xiang <gaoxiang25@xxxxxxxxxx> Reviewed-by: Chao Yu <yuchao0@xxxxxxxxxx> Thanks, _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel