fs/btrfs/verity.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2
   3 #ifndef BTRFS_VERITY_H
   4 #define BTRFS_VERITY_H
   5
   6 struct inode;
   7 struct btrfs_inode;
   8
   9 #ifdef CONFIG_FS_VERITY
  10
  11 #include <linux/fsverity.h>
  12
  13 extern const struct fsverity_operations btrfs_verityops;
  14
  15 int btrfs_drop_verity_items(struct btrfs_inode *inode);
  16 int btrfs_get_verity_descriptor(struct inode *inode, void *buf, size_t buf_size);
  17
  18 #else
  19
  20 #include <linux/errno.h>
  21
  22 static inline int btrfs_drop_verity_items(struct btrfs_inode *inode)
  23 {
  24         return 0;
  25 }
  26
  27 static inline int btrfs_get_verity_descriptor(struct inode *inode, void *buf,
  28                                               size_t buf_size)
  29 {
  30         return -EPERM;
  31 }
  32
  33 #endif
  34
  35 #endif