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Currently, cg_read()/cg_write() returns 0 on success and -1 on failure. Modify them to return the -errno on failure. Link: https://lkml.kernel.org/r/20220425190040.2475377-3-yosryahmed@google.com Signed-off-by: Yosry Ahmed <yosryahmed@google.com> Acked-by: Shakeel Butt <shakeelb@google.com> Acked-by: David Rientjes <rientjes@google.com> Acked-by: Roman Gushchin <roman.gushchin@linux.dev> Cc: Chen Wandun <chenwandun@huawei.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Greg Thelen <gthelen@google.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Michal Hocko <mhocko@suse.com> Cc: "Michal Koutn" <mkoutny@suse.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Tejun Heo <tj@kernel.org> Cc: Tim Chen <tim.c.chen@linux.intel.com> Cc: Vaibhav Jain <vaibhav@linux.ibm.com> Cc: Wei Xu <weixugc@google.com> Cc: Yu Zhao <yuzhao@google.com> Cc: Zefan Li <lizefan.x@bytedance.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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