Thread (11 messages) 11 messages, 5 authors, 2019-11-15

Re: [PATCH v2] ext4: bio_alloc with __GFP_DIRECT_RECLAIM never fails

From: Gao Xiang <hidden>
Date: 2019-11-15 03:21:54
Also in: lkml

Hi Ted,

On Thu, Nov 14, 2019 at 10:19:53PM -0500, Theodore Y. Ts'o wrote:
On Thu, Oct 31, 2019 at 05:29:58PM +0800, Chao Yu wrote:
quoted
On 2019/10/31 17:23, Gao Xiang wrote:
quoted
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 (local)
[2] https://lore.kernel.org/r/20190830162812.GA10694@infradead.org (local)
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Andreas Dilger <adilger.kernel@dilger.ca>
Cc: Ritesh Harjani <redacted>
Cc: Chao Yu <redacted>
Signed-off-by: Gao Xiang <redacted>
Reviewed-by: Chao Yu <redacted>
Thanks, applied.

					- Ted
Thanks for considering this. Have a nice day.

Thanks,
Gao Xiang
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