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由 Andrey Vagin 提交于
__vfs_write() returns a negative value in a error case. Link: http://lkml.kernel.org/r/20160616083108.6278.65815.stgit@pluto.themaw.netSigned-off-by: NAndrey Vagin <avagin@openvz.org> Signed-off-by: NIan Kent <raven@themaw.net> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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