diff options
| author | Amir Goldstein <amir73il@gmail.com> | 2018-01-19 00:03:23 +0100 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@redhat.com> | 2018-01-24 11:26:00 +0100 |
| commit | 8556a4205b111c4dac931ee5eba4fcce74c3cb21 (patch) | |
| tree | 91e96d4841893b6b7e5b938e59725f6a31996add /fs/overlayfs/overlayfs.h | |
| parent | ovl: encode pure upper file handles (diff) | |
| download | linux-8556a4205b111c4dac931ee5eba4fcce74c3cb21.tar.xz linux-8556a4205b111c4dac931ee5eba4fcce74c3cb21.zip | |
ovl: decode pure upper file handles
Decoding an upper file handle is done by decoding the upper dentry from
underlying upper fs, finding or allocating an overlay inode that is
hashed by the real upper inode and instantiating an overlay dentry with
that inode.
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/overlayfs/overlayfs.h')
| -rw-r--r-- | fs/overlayfs/overlayfs.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h index f2baa2ccaacd..401113a2e9c7 100644 --- a/fs/overlayfs/overlayfs.h +++ b/fs/overlayfs/overlayfs.h @@ -264,6 +264,8 @@ static inline bool ovl_is_impuredir(struct dentry *dentry) /* namei.c */ +int ovl_check_fh_len(struct ovl_fh *fh, int fh_len); +struct dentry *ovl_decode_fh(struct ovl_fh *fh, struct vfsmount *mnt); int ovl_verify_set_fh(struct dentry *dentry, const char *name, struct dentry *real, bool is_upper, bool set); int ovl_verify_index(struct ovl_fs *ofs, struct dentry *index); |