On 2019/10/31 17:23, Gao Xiang wrote: > Similar to [1] [2], bio_alloc with __GFP_DIRECT_RECLAIM flags > guarantees bio allocation under some given restrictions, as > stated in block/bio.c and fs/direct-io.c So here it's ok to > not check for NULL value from bio_alloc(). > > [1] https://lore.kernel.org/r/20191030035518.65477-1-gaoxiang25@xxxxxxxxxx > [2] https://lore.kernel.org/r/20190830162812.GA10694@xxxxxxxxxxxxx > Cc: Theodore Ts'o <tytso@xxxxxxx> > Cc: Andreas Dilger <adilger.kernel@xxxxxxxxx> > Cc: Ritesh Harjani <riteshh@xxxxxxxxxxxxx> > Cc: Chao Yu <yuchao0@xxxxxxxxxx> > Signed-off-by: Gao Xiang <gaoxiang25@xxxxxxxxxx> Reviewed-by: Chao Yu <yuchao0@xxxxxxxxxx> Thanks,