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[Qemu-devel] [PATCH 2/2] block: Add hint to -EFBIG error message
From: |
Stefan Hajnoczi |
Subject: |
[Qemu-devel] [PATCH 2/2] block: Add hint to -EFBIG error message |
Date: |
Tue, 14 May 2013 16:54:29 +0200 |
From: Kevin Wolf <address@hidden>
The limit of qcow2 files at least depends on the cluster size. If the
image format has a cluster_size option, suggest to increase it.
Signed-off-by: Kevin Wolf <address@hidden>
Signed-off-by: Stefan Hajnoczi <address@hidden>
---
block.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/block.c b/block.c
index aa9a533..3f87489 100644
--- a/block.c
+++ b/block.c
@@ -4857,8 +4857,12 @@ void bdrv_img_create(const char *filename, const char
*fmt,
error_setg(errp,"Formatting or formatting option not supported for
"
"file format '%s'", fmt);
} else if (ret == -EFBIG) {
- error_setg(errp, "The image size is too large for file format
'%s'",
- fmt);
+ const char *cluster_size_hint = "";
+ if (get_option_parameter(create_options, BLOCK_OPT_CLUSTER_SIZE)) {
+ cluster_size_hint = " (try using a larger cluster size)";
+ }
+ error_setg(errp, "The image size is too large for file format
'%s'%s",
+ fmt, cluster_size_hint);
} else {
error_setg(errp, "%s: error while creating %s: %s", filename, fmt,
strerror(-ret));
--
1.8.1.4