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authorTejun Heo <tj@kernel.org>2014-02-12 09:29:48 -0500
committerTejun Heo <tj@kernel.org>2014-02-12 09:29:48 -0500
commit86bf4b68759141459864ebd36ac3038a9cda895b (patch)
tree81c1bfe990c4752f5056c9df02258391fc9ca464 /kernel
parent2bd59d48ebfb3df41ee56938946ca0dd30887312 (diff)
downloadblackbird-op-linux-86bf4b68759141459864ebd36ac3038a9cda895b.tar.gz
blackbird-op-linux-86bf4b68759141459864ebd36ac3038a9cda895b.zip
cgroup: warn if "xattr" is specified with "sane_behavior"
Mount option "xattr" is no longer necessary as it's enabled by default on kernfs. Warn if "xattr" is specified with "sane_behavior" so that the option can be removed in the future. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Li Zefan <lizefan@huawei.com>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/cgroup.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index cda614da40cf..a0fab71f200f 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -1267,6 +1267,9 @@ static int parse_cgroupfs_options(char *data, struct cgroup_sb_opts *opts)
pr_err("cgroup: sane_behavior: clone_children is not allowed\n");
return -EINVAL;
}
+
+ if (opts->flags & CGRP_ROOT_XATTR)
+ pr_warning("cgroup: sane_behavior: xattr is always available, flag unnecessary\n");
}
/*
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