diff options
Diffstat (limited to 'fs/overlayfs/overlayfs.h')
| -rw-r--r-- | fs/overlayfs/overlayfs.h | 51 |
1 files changed, 30 insertions, 21 deletions
diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h index 5f108233f03b..feef0eadc5b3 100644 --- a/fs/overlayfs/overlayfs.h +++ b/fs/overlayfs/overlayfs.h @@ -170,14 +170,16 @@ static inline int ovl_do_symlink(struct inode *dir, struct dentry *dentry, return err; } -static inline ssize_t ovl_do_getxattr(struct dentry *dentry, const char *name, - void *value, size_t size) +static inline ssize_t ovl_do_getxattr(struct ovl_fs *ofs, struct dentry *dentry, + const char *name, void *value, + size_t size) { return vfs_getxattr(dentry, name, value, size); } -static inline int ovl_do_setxattr(struct dentry *dentry, const char *name, - const void *value, size_t size) +static inline int ovl_do_setxattr(struct ovl_fs *ofs, struct dentry *dentry, + const char *name, const void *value, + size_t size) { int err = vfs_setxattr(dentry, name, value, size, 0); pr_debug("setxattr(%pd2, \"%s\", \"%*pE\", %zu, 0) = %i\n", @@ -185,7 +187,8 @@ static inline int ovl_do_setxattr(struct dentry *dentry, const char *name, return err; } -static inline int ovl_do_removexattr(struct dentry *dentry, const char *name) +static inline int ovl_do_removexattr(struct ovl_fs *ofs, struct dentry *dentry, + const char *name) { int err = vfs_removexattr(dentry, name); pr_debug("removexattr(%pd2, \"%s\") = %i\n", dentry, name, err); @@ -286,8 +289,9 @@ struct file *ovl_path_open(struct path *path, int flags); int ovl_copy_up_start(struct dentry *dentry, int flags); void ovl_copy_up_end(struct dentry *dentry); bool ovl_already_copied_up(struct dentry *dentry, int flags); -bool ovl_check_origin_xattr(struct dentry *dentry); -bool ovl_check_dir_xattr(struct dentry *dentry, const char *name); +bool ovl_check_origin_xattr(struct ovl_fs *ofs, struct dentry *dentry); +bool ovl_check_dir_xattr(struct super_block *sb, struct dentry *dentry, + const char *name); int ovl_check_setxattr(struct dentry *dentry, struct dentry *upperdentry, const char *name, const void *value, size_t size, int xerr); @@ -302,13 +306,15 @@ bool ovl_need_index(struct dentry *dentry); int ovl_nlink_start(struct dentry *dentry); void ovl_nlink_end(struct dentry *dentry); int ovl_lock_rename_workdir(struct dentry *workdir, struct dentry *upperdir); -int ovl_check_metacopy_xattr(struct dentry *dentry); +int ovl_check_metacopy_xattr(struct ovl_fs *ofs, struct dentry *dentry); bool ovl_is_metacopy_dentry(struct dentry *dentry); -char *ovl_get_redirect_xattr(struct dentry *dentry, int padding); +char *ovl_get_redirect_xattr(struct ovl_fs *ofs, struct dentry *dentry, + int padding); -static inline bool ovl_is_impuredir(struct dentry *dentry) +static inline bool ovl_is_impuredir(struct super_block *sb, + struct dentry *dentry) { - return ovl_check_dir_xattr(dentry, OVL_XATTR_IMPURE); + return ovl_check_dir_xattr(sb, dentry, OVL_XATTR_IMPURE); } /* @@ -369,8 +375,9 @@ 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); +int ovl_verify_set_fh(struct ovl_fs *ofs, struct dentry *dentry, + const char *name, struct dentry *real, bool is_upper, + bool set); struct dentry *ovl_index_upper(struct ovl_fs *ofs, struct dentry *index); int ovl_verify_index(struct ovl_fs *ofs, struct dentry *index); int ovl_get_index_name(struct dentry *origin, struct qstr *name); @@ -382,16 +389,17 @@ struct dentry *ovl_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags); bool ovl_lower_positive(struct dentry *dentry); -static inline int ovl_verify_origin(struct dentry *upper, +static inline int ovl_verify_origin(struct ovl_fs *ofs, struct dentry *upper, struct dentry *origin, bool set) { - return ovl_verify_set_fh(upper, OVL_XATTR_ORIGIN, origin, false, set); + return ovl_verify_set_fh(ofs, upper, OVL_XATTR_ORIGIN, origin, + false, set); } -static inline int ovl_verify_upper(struct dentry *index, - struct dentry *upper, bool set) +static inline int ovl_verify_upper(struct ovl_fs *ofs, struct dentry *index, + struct dentry *upper, bool set) { - return ovl_verify_set_fh(index, OVL_XATTR_UPPER, upper, true, set); + return ovl_verify_set_fh(ofs, index, OVL_XATTR_UPPER, upper, true, set); } /* readdir.c */ @@ -408,7 +416,7 @@ int ovl_indexdir_cleanup(struct ovl_fs *ofs); /* inode.c */ int ovl_set_nlink_upper(struct dentry *dentry); int ovl_set_nlink_lower(struct dentry *dentry); -unsigned int ovl_get_nlink(struct dentry *lowerdentry, +unsigned int ovl_get_nlink(struct ovl_fs *ofs, struct dentry *lowerdentry, struct dentry *upperdentry, unsigned int fallback); int ovl_setattr(struct dentry *dentry, struct iattr *attr); @@ -422,7 +430,7 @@ int ovl_xattr_get(struct dentry *dentry, struct inode *inode, const char *name, ssize_t ovl_listxattr(struct dentry *dentry, char *list, size_t size); struct posix_acl *ovl_get_acl(struct inode *inode, int type); int ovl_update_time(struct inode *inode, struct timespec64 *ts, int flags); -bool ovl_is_private_xattr(const char *name); +bool ovl_is_private_xattr(struct super_block *sb, const char *name); struct ovl_inode_params { struct inode *newinode; @@ -488,7 +496,8 @@ void ovl_aio_request_cache_destroy(void); int ovl_copy_up(struct dentry *dentry); int ovl_copy_up_with_data(struct dentry *dentry); int ovl_maybe_copy_up(struct dentry *dentry, int flags); -int ovl_copy_xattr(struct dentry *old, struct dentry *new); +int ovl_copy_xattr(struct super_block *sb, struct dentry *old, + struct dentry *new); int ovl_set_attr(struct dentry *upper, struct kstat *stat); struct ovl_fh *ovl_encode_real_fh(struct dentry *real, bool is_upper); int ovl_set_origin(struct dentry *dentry, struct dentry *lower, |