commit | 5500221ea1b72c550b61f88fe3e8afbb08445989 | [log] [tgz] |
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author | Gao Xiang <gaoxiang25@huawei.com> | Thu Oct 31 17:23:15 2019 +0800 |
committer | Theodore Ts'o <tytso@mit.edu> | Thu Nov 14 22:19:11 2019 -0500 |
tree | abff9db3e85a302c51438e7b1ff83c5054a3d229 | |
parent | ebc11f7b1f2a016a99796b0923d9c0d7b7f9cba6 [diff] |
ext4: bio_alloc with __GFP_DIRECT_RECLAIM never fails 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@mit.edu> Cc: Andreas Dilger <adilger.kernel@dilger.ca> Cc: Ritesh Harjani <riteshh@linux.ibm.com> Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Gao Xiang <gaoxiang25@huawei.com> Link: https://lore.kernel.org/r/20191031092315.139267-1-gaoxiang25@huawei.com Signed-off-by: Theodore Ts'o <tytso@mit.edu>