diff options
Diffstat (limited to 'fs/overlayfs/overlayfs.h')
| -rw-r--r-- | fs/overlayfs/overlayfs.h | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h index 225ff1171147..e0b7de799f6b 100644 --- a/fs/overlayfs/overlayfs.h +++ b/fs/overlayfs/overlayfs.h @@ -202,7 +202,7 @@ void ovl_drop_write(struct dentry *dentry); struct dentry *ovl_workdir(struct dentry *dentry); const struct cred *ovl_override_creds(struct super_block *sb); struct super_block *ovl_same_sb(struct super_block *sb); -bool ovl_can_decode_fh(struct super_block *sb); +int ovl_can_decode_fh(struct super_block *sb); struct dentry *ovl_indexdir(struct super_block *sb); bool ovl_index_all(struct super_block *sb); bool ovl_verify_lower(struct super_block *sb); @@ -215,6 +215,7 @@ void ovl_path_lower(struct dentry *dentry, struct path *path); enum ovl_path_type ovl_path_real(struct dentry *dentry, struct path *path); struct dentry *ovl_dentry_upper(struct dentry *dentry); struct dentry *ovl_dentry_lower(struct dentry *dentry); +struct ovl_layer *ovl_layer_lower(struct dentry *dentry); struct dentry *ovl_dentry_real(struct dentry *dentry); struct dentry *ovl_i_dentry_upper(struct inode *inode); struct inode *ovl_inode_upper(struct inode *inode); @@ -263,11 +264,19 @@ static inline bool ovl_is_impuredir(struct dentry *dentry) return ovl_check_dir_xattr(dentry, OVL_XATTR_IMPURE); } +static inline unsigned int ovl_xino_bits(struct super_block *sb) +{ + struct ovl_fs *ofs = sb->s_fs_info; + + return ofs->xino_bits; +} + /* 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_check_origin_fh(struct ovl_fs *ofs, struct ovl_fh *fh, +struct dentry *ovl_decode_real_fh(struct ovl_fh *fh, struct vfsmount *mnt, + bool connected); +int ovl_check_origin_fh(struct ovl_fs *ofs, struct ovl_fh *fh, bool connected, struct dentry *upperdentry, struct ovl_path **stackp); int ovl_verify_set_fh(struct dentry *dentry, const char *name, struct dentry *real, bool is_upper, bool set); @@ -329,7 +338,7 @@ struct inode *ovl_new_inode(struct super_block *sb, umode_t mode, dev_t rdev); struct inode *ovl_lookup_inode(struct super_block *sb, struct dentry *real, bool is_upper); struct inode *ovl_get_inode(struct super_block *sb, struct dentry *upperdentry, - struct dentry *lowerdentry, struct dentry *index, + struct ovl_path *lowerpath, struct dentry *index, unsigned int numlower); static inline void ovl_copyattr(struct inode *from, struct inode *to) { @@ -361,7 +370,7 @@ int ovl_copy_up(struct dentry *dentry); int ovl_copy_up_flags(struct dentry *dentry, int flags); int ovl_copy_xattr(struct dentry *old, struct dentry *new); int ovl_set_attr(struct dentry *upper, struct kstat *stat); -struct ovl_fh *ovl_encode_fh(struct dentry *real, bool is_upper); +struct ovl_fh *ovl_encode_real_fh(struct dentry *real, bool is_upper); int ovl_set_origin(struct dentry *dentry, struct dentry *lower, struct dentry *upper); |