From 7fb8f617561c2761d9e804ef4e83a881271a3d3c Mon Sep 17 00:00:00 2001
From: xqyjlj <xqyjlj@126.com>
Date: Wed, 29 Mar 2023 14:36:36 +0800
Subject: [PATCH] =?UTF-8?q?=E2=9C=A8=20feat(components/dfs/filesystems/dev?=
 =?UTF-8?q?fs/devfs.c):=20add=20statfs=20support?=
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---
 components/dfs/filesystems/devfs/devfs.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/components/dfs/filesystems/devfs/devfs.c b/components/dfs/filesystems/devfs/devfs.c
index 7a54df3509..f0b7327ecd 100644
--- a/components/dfs/filesystems/devfs/devfs.c
+++ b/components/dfs/filesystems/devfs/devfs.c
@@ -29,6 +29,16 @@ int dfs_device_fs_mount(struct dfs_filesystem *fs, unsigned long rwflag, const v
     return RT_EOK;
 }
 
+int dfs_device_fs_statfs(struct dfs_filesystem *fs, struct statfs *buf)
+{
+    buf->f_bsize  = 512;
+    buf->f_blocks = 2048 * 64; // 64M
+    buf->f_bfree  = buf->f_blocks;
+    buf->f_bavail = buf->f_bfree;
+
+    return RT_EOK;
+}
+
 int dfs_device_fs_ioctl(struct dfs_fd *file, int cmd, void *args)
 {
     rt_err_t result;
@@ -391,7 +401,7 @@ static const struct dfs_filesystem_ops _device_fs =
     dfs_device_fs_mount,
     RT_NULL, /*unmount*/
     RT_NULL, /*mkfs*/
-    RT_NULL, /*statfs*/
+    dfs_device_fs_statfs,
     dfs_device_fs_unlink,
     dfs_device_fs_stat,
     RT_NULL, /*rename*/
-- 
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