Show 'falloc' among the allowed values of 'preallocation'
option, only when it is supported (if defined CONFIG_POSIX_FALLOCATE)
Signed-off-by: Stefano Garzarella <sgarz...@redhat.com>
Reviewed-by: Markus Armbruster <arm...@redhat.com>
---
block/file-posix.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/block/file-posix.c b/block/file-posix.c
index d018429672..9632e3a87b 100644
--- a/block/file-posix.c
+++ b/block/file-posix.c
@@ -2751,7 +2751,11 @@ 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 */ }
}
--
2.20.1
