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-rw-r--r--fs/btrfs/fs.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/btrfs/fs.h b/fs/btrfs/fs.h
index 60ec557a7e3a..a83c51522152 100644
--- a/fs/btrfs/fs.h
+++ b/fs/btrfs/fs.h
@@ -839,6 +839,9 @@ struct btrfs_fs_info {
#define page_to_fs_info(_page) (page_to_inode(_page)->root->fs_info)
#define folio_to_fs_info(_folio) (folio_to_inode(_folio)->root->fs_info)
+#define inode_to_fs_info(_inode) (BTRFS_I(_Generic((_inode), \
+ struct inode *: (_inode)))->root->fs_info)
+
static inline u64 btrfs_get_fs_generation(const struct btrfs_fs_info *fs_info)
{
return READ_ONCE(fs_info->generation);