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authorHyunchul Lee <cheol.lee@lge.com>2018-03-08 19:34:38 +0900
committerJaegeuk Kim <jaegeuk@kernel.org>2018-03-17 13:57:32 +0900
commitb91050a80cec3daf5a21f78274330df64a4936a3 (patch)
tree0195cd219ab9a4f33027b694b64bbfaa970e0e0a /mm/page_owner.c
parent63189b785960c3346d1af347516b7438f7ada8ec (diff)
downloadlinux-b91050a80cec3daf5a21f78274330df64a4936a3.tar.bz2
f2fs: add nowait aio support
This patch adds nowait aio support[1]. Return EAGAIN if any of the following checks fail for direct I/O: - i_rwsem is not lockable - Blocks are not allocated at the write location And xfstests generic/471 is passed. [1]: 6be96d "Introduce RWF_NOWAIT and FMODE_AIO_NOWAIT" Signed-off-by: Hyunchul Lee <cheol.lee@lge.com> Reviewed-by: Goldwyn Rodrigues <rgoldwyn@suse.com> Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'mm/page_owner.c')
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