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| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-02-28 05:29:16 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-02-28 05:29:16 -0300 |
| commit | 844e3cded9c8665e95b1e43b707a6c3adcbc901f (patch) | |
| tree | dd9cccb325c949319a9de3e0cabad91d6261fa75 /fs/aufs/vfsub.c | |
| parent | 6d461a4fe7896faa1aec5a5417888cf179e46b9f (diff) | |
Linux-libre 4.4.3-gnu
Diffstat (limited to 'fs/aufs/vfsub.c')
| -rw-r--r-- | fs/aufs/vfsub.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/fs/aufs/vfsub.c b/fs/aufs/vfsub.c index f072c59c0..89f999c97 100644 --- a/fs/aufs/vfsub.c +++ b/fs/aufs/vfsub.c @@ -7,10 +7,28 @@ */ #include <linux/namei.h> +#include <linux/nsproxy.h> #include <linux/security.h> #include <linux/splice.h> +#include "../fs/mount.h" #include "aufs.h" +#ifdef CONFIG_AUFS_BR_FUSE +int vfsub_test_mntns(struct vfsmount *mnt, struct super_block *h_sb) +{ + struct nsproxy *ns; + + if (!au_test_fuse(h_sb) || !au_userns) + return 0; + + ns = current->nsproxy; + /* no {get,put}_nsproxy(ns) */ + return real_mount(mnt)->mnt_ns == ns->mnt_ns ? 0 : -EACCES; +} +#endif + +/* ---------------------------------------------------------------------- */ + int vfsub_update_h_iattr(struct path *h_path, int *did) { int err; |