From: Stefano Garzarella <sgarzare@redhat.com>
Date: Fri, 24 May 2019 07:58:47 +0000 (+0200)
Subject: block/file-posix: update .help of BLOCK_OPT_PREALLOC option
X-Git-Tag: v4.1.0-rc0~58^2~8
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=abea00533fa48de89f211bf2e0cff334765ed58e;p=thirdparty%2Fqemu.git

block/file-posix: update .help of BLOCK_OPT_PREALLOC option

Show 'falloc' among the allowed values of 'preallocation'
option, only when it is supported (if defined CONFIG_POSIX_FALLOCATE)

Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190524075848.23781-3-sgarzare@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
---

diff --git a/block/file-posix.c b/block/file-posix.c
index 6e6bf3f4a57..83ab1b78efa 100644
--- a/block/file-posix.c
+++ b/block/file-posix.c
@@ -2752,7 +2752,11 @@ static QemuOptsList raw_create_opts = {
         {
             .name = BLOCK_OPT_PREALLOC,
             .type = QEMU_OPT_STRING,
-            .help = "Preallocation mode (allowed values: off, falloc, full)"
+            .help = "Preallocation mode (allowed values: off"
+#ifdef CONFIG_POSIX_FALLOCATE
+                    ", falloc"
+#endif
+                    ", full)"
         },
         { /* end of list */ }
     }