From: Volker Lendecke <vl@samba.org>
Date: Sun, 23 Nov 2025 06:59:55 +0000 (+0100)
Subject: smbd: Add sys_fstatvfs()
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7d06923eca40889489a4a02fea3f589f073b3531;p=thirdparty%2Fsamba.git

smbd: Add sys_fstatvfs()

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Anoop C S <anoopcs@samba.org>
---

diff --git a/source3/smbd/proto.h b/source3/smbd/proto.h
index 26a6b6d9176..509c3019644 100644
--- a/source3/smbd/proto.h
+++ b/source3/smbd/proto.h
@@ -1049,6 +1049,7 @@ NTSTATUS srvstr_push_fn(const char *base_ptr, uint16_t smb_flags2, void *dest,
 /* The following definitions come from smbd/statvfs.c  */
 
 int sys_statvfs(const char *path, struct vfs_statvfs_struct *statbuf);
+int sys_fstatvfs(int fd, struct vfs_statvfs_struct *statbuf);
 
 /* The following definitions come from smbd/trans2.c  */
 
diff --git a/source3/smbd/statvfs.c b/source3/smbd/statvfs.c
index 064c6ac02f8..0c45f3c238d 100644
--- a/source3/smbd/statvfs.c
+++ b/source3/smbd/statvfs.c
@@ -127,6 +127,22 @@ static int bsd_statvfs(const char *path, struct vfs_statvfs_struct *statbuf)
 
 	return 0;
 }
+
+static int bsd_fstatvfs(int fd, struct vfs_statvfs_struct *statbuf)
+{
+	struct statfs sbuf;
+	int ret;
+
+	ret = fstatfs(fd, &sbuf);
+	if (ret != 0) {
+		return ret;
+	}
+
+	bsd_init_statvfs(&sbuf, statbuf);
+
+	return 0;
+}
+
 #elif defined(STAT_STATVFS) && defined(HAVE_FSID_INT)
 
 static void posix_init_statvfs(const struct statvfs *src,
@@ -181,6 +197,23 @@ static int posix_statvfs(const char *path, struct vfs_statvfs_struct *statbuf)
 
 	return 0;
 }
+
+static int posix_fstatvfs(int fd, struct vfs_statvfs_struct *statbuf)
+{
+	struct statvfs statvfs_buf;
+	int ret;
+
+	ret = fstatvfs(fd, &statvfs_buf);
+
+	if (ret != 0) {
+		return ret;
+	}
+
+	posix_init_statvfs(&statvfs_buf, statbuf);
+
+	return 0;
+}
+
 #endif
 
 /*
@@ -205,3 +238,19 @@ int sys_statvfs(const char *path, struct vfs_statvfs_struct *statbuf)
 #endif /* LINUX */
 
 }
+
+int sys_fstatvfs(int fd, struct vfs_statvfs_struct *statbuf)
+{
+#if defined(BSD_STYLE_STATVFS)
+	return bsd_fstatvfs(fd, statbuf);
+#elif defined(STAT_STATVFS) && defined(HAVE_FSID_INT)
+	return posix_fstatvfs(fd, statbuf);
+#else
+	/* BB change this to return invalid level */
+#ifdef EOPNOTSUPP
+	return EOPNOTSUPP;
+#else
+	return -1;
+#endif /* EOPNOTSUPP */
+#endif /* LINUX */
+}