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| author | Al Viro <viro@zeniv.linux.org.uk> | 2019-01-17 02:25:51 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2019-02-28 03:29:32 -0500 |
| commit | cf6299b1d00555cd10dc30d95b300d7084128a2c (patch) | |
| tree | f4cd581ee037732a736b70e1fffa220e012be512 /kernel/cgroup/cgroup-v1.c | |
| parent | e34a98d5b226b84a3ed6da93e7a92e65cc1c81ba (diff) | |
| download | linux-cf6299b1d00555cd10dc30d95b300d7084128a2c.tar.gz linux-cf6299b1d00555cd10dc30d95b300d7084128a2c.tar.bz2 linux-cf6299b1d00555cd10dc30d95b300d7084128a2c.zip | |
cgroup: stash cgroup_root reference into cgroup_fs_context
Note that this reference is *NOT* contributing to refcount of
cgroup_root in question and is valid only until cgroup_do_mount()
returns.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'kernel/cgroup/cgroup-v1.c')
| -rw-r--r-- | kernel/cgroup/cgroup-v1.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/cgroup/cgroup-v1.c b/kernel/cgroup/cgroup-v1.c index 725e9f6fe80d..45a198c63d6e 100644 --- a/kernel/cgroup/cgroup-v1.c +++ b/kernel/cgroup/cgroup-v1.c @@ -1208,6 +1208,7 @@ int cgroup1_get_tree(struct fs_context *fc) if (root->flags ^ ctx->flags) pr_warn("new mount options do not match the existing superblock, will be ignored\n"); + ctx->root = root; ret = 0; goto out_unlock; } @@ -1234,7 +1235,8 @@ int cgroup1_get_tree(struct fs_context *fc) goto out_unlock; } - init_cgroup_root(root, ctx); + ctx->root = root; + init_cgroup_root(ctx); ret = cgroup_setup_root(root, ctx->subsys_mask); if (ret) |