From 18597572f62ab18824df6bab6c30d2b645921969 Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@tavianator.com>
Date: Wed, 23 Aug 2023 13:10:10 -0400
Subject: ioq: Implement ioq_stat()

---
 src/ioq.h | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

(limited to 'src/ioq.h')

diff --git a/src/ioq.h b/src/ioq.h
index e1e5052..77aabaa 100644
--- a/src/ioq.h
+++ b/src/ioq.h
@@ -10,6 +10,7 @@
 
 #include "config.h"
 #include "dir.h"
+#include "stat.h"
 #include <stddef.h>
 
 /**
@@ -27,6 +28,8 @@ enum ioq_op {
 	IOQ_OPENDIR,
 	/** ioq_closedir(). */
 	IOQ_CLOSEDIR,
+	/** ioq_stat(). */
+	IOQ_STAT,
 };
 
 /**
@@ -59,6 +62,14 @@ struct ioq_ent {
 		struct ioq_closedir {
 			struct bfs_dir *dir;
 		} closedir;
+		/** ioq_stat() args. */
+		struct ioq_stat {
+			int dfd;
+			const char *path;
+			enum bfs_stat_flags flags;
+			struct bfs_stat *buf;
+			void *xbuf;
+		} stat;
 	};
 };
 
@@ -127,6 +138,26 @@ int ioq_opendir(struct ioq *ioq, struct bfs_dir *dir, int dfd, const char *path,
  */
 int ioq_closedir(struct ioq *ioq, struct bfs_dir *dir, void *ptr);
 
+/**
+ * Asynchronous bfs_stat().
+ *
+ * @param ioq
+ *         The I/O queue.
+ * @param dfd
+ *         The base file descriptor.
+ * @param path
+ *         The path to stat, relative to dfd.
+ * @param flags
+ *         Flags that affect the lookup.
+ * @param buf
+ *         A place to store the stat buffer, if successful.
+ * @param ptr
+ *         An arbitrary pointer to associate with the request.
+ * @return
+ *         0 on success, or -1 on failure.
+ */
+int ioq_stat(struct ioq *ioq, int dfd, const char *path, enum bfs_stat_flags flags, struct bfs_stat *buf, void *ptr);
+
 /**
  * Pop a response from the queue.
  *
-- 
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