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-rw-r--r--hw/9pfs/9p.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/hw/9pfs/9p.h b/hw/9pfs/9p.h
index 561774e843..93b7030edf 100644
--- a/hw/9pfs/9p.h
+++ b/hw/9pfs/9p.h
@@ -215,6 +215,28 @@ static inline void v9fs_readdir_init(V9fsDir *dir)
     qemu_co_mutex_init(&dir->readdir_mutex);
 }
 
+/**
+ * Type for 9p fs drivers' (a.k.a. 9p backends) result of readdir requests,
+ * which is a chained list of directory entries.
+ */
+typedef struct V9fsDirEnt {
+    /* mandatory (must not be NULL) information for all readdir requests */
+    struct dirent *dent;
+    /*
+     * optional (may be NULL): A full stat of each directory entry is just
+     * done if explicitly told to fs driver.
+     */
+    struct stat *st;
+    /*
+     * instead of an array, directory entries are always returned as
+     * chained list, that's because the amount of entries retrieved by fs
+     * drivers is dependent on the individual entries' name (since response
+     * messages are size limited), so the final amount cannot be estimated
+     * before hand
+     */
+    struct V9fsDirEnt *next;
+} V9fsDirEnt;
+
 /*
  * Filled by fs driver on open and other
  * calls.