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Date: Thu, 31 Oct 2019 17:29:58 +0800 From: Chao Yu <yuchao0@...wei.com> To: Gao Xiang <gaoxiang25@...wei.com>, Theodore Ts'o <tytso@....edu>, "Andreas Dilger" <adilger.kernel@...ger.ca> CC: <linux-ext4@...r.kernel.org>, <linux-kernel@...r.kernel.org>, "Ritesh Harjani" <riteshh@...ux.ibm.com> Subject: Re: [PATCH v2] ext4: bio_alloc with __GFP_DIRECT_RECLAIM never fails 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@huawei.com > [2] https://lore.kernel.org/r/20190830162812.GA10694@infradead.org > Cc: Theodore Ts'o <tytso@....edu> > Cc: Andreas Dilger <adilger.kernel@...ger.ca> > Cc: Ritesh Harjani <riteshh@...ux.ibm.com> > Cc: Chao Yu <yuchao0@...wei.com> > Signed-off-by: Gao Xiang <gaoxiang25@...wei.com> Reviewed-by: Chao Yu <yuchao0@...wei.com> Thanks,
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