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[Qemu-devel] [PATCH v5 06/10] block: Use bdrv_nb_sectors() in img_conver


From: Markus Armbruster
Subject: [Qemu-devel] [PATCH v5 06/10] block: Use bdrv_nb_sectors() in img_convert()
Date: Thu, 26 Jun 2014 13:23:21 +0200

Instead of bdrv_getlength().  Replace variable output_length by
output_sectors.

Signed-off-by: Markus Armbruster <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
Reviewed-by: Benoit Canet <address@hidden>
---
 qemu-img.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/qemu-img.c b/qemu-img.c
index c98896b..c16037b 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -1470,13 +1470,13 @@ static int img_convert(int argc, char **argv)
     buf = qemu_blockalign(out_bs, bufsectors * BDRV_SECTOR_SIZE);
 
     if (skip_create) {
-        int64_t output_length = bdrv_getlength(out_bs);
-        if (output_length < 0) {
+        int64_t output_sectors = bdrv_nb_sectors(out_bs);
+        if (output_sectors < 0) {
             error_report("unable to get output image length: %s\n",
-                         strerror(-output_length));
+                         strerror(-output_sectors));
             ret = -1;
             goto out;
-        } else if (output_length < total_sectors << BDRV_SECTOR_BITS) {
+        } else if (output_sectors < total_sectors) {
             error_report("output file is smaller than input file");
             ret = -1;
             goto out;
-- 
1.9.3




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