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[Qemu-devel] [PATCH] qemu-img: print error codes when convert fails
From: |
Stefan Hajnoczi |
Subject: |
[Qemu-devel] [PATCH] qemu-img: print error codes when convert fails |
Date: |
Wed, 17 Aug 2011 17:41:09 +0100 |
Signed-off-by: Stefan Hajnoczi <address@hidden>
---
qemu-img.c | 13 ++++++++-----
1 files changed, 8 insertions(+), 5 deletions(-)
diff --git a/qemu-img.c b/qemu-img.c
index b205e98..d9e6fc8 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -890,7 +890,8 @@ static int img_convert(int argc, char **argv)
ret = bdrv_read(bs[bs_i], bs_num, buf2, nlow);
if (ret < 0) {
- error_report("error while reading");
+ error_report("error while reading sector %" PRId64 ": %s",
+ bs_num, strerror(-ret));
goto out;
}
@@ -908,8 +909,8 @@ static int img_convert(int argc, char **argv)
ret = bdrv_write_compressed(out_bs, sector_num, buf,
cluster_sectors);
if (ret != 0) {
- error_report("error while compressing sector %" PRId64,
- sector_num);
+ error_report("error while compressing sector %" PRId64
+ ": %s", sector_num, strerror(-ret));
goto out;
}
}
@@ -972,7 +973,8 @@ static int img_convert(int argc, char **argv)
ret = bdrv_read(bs[bs_i], sector_num - bs_offset, buf, n);
if (ret < 0) {
- error_report("error while reading");
+ error_report("error while reading sector %" PRId64 ": %s",
+ sector_num - bs_offset, strerror(-ret));
goto out;
}
/* NOTE: at the same time we convert, we do not write zero
@@ -991,7 +993,8 @@ static int img_convert(int argc, char **argv)
is_allocated_sectors(buf1, n, &n1)) {
ret = bdrv_write(out_bs, sector_num, buf1, n1);
if (ret < 0) {
- error_report("error while writing");
+ error_report("error while writing sector %" PRId64
+ ": %s", sector_num, strerror(-ret));
goto out;
}
}
--
1.7.5.4
- [Qemu-devel] [PATCH] qemu-img: print error codes when convert fails,
Stefan Hajnoczi <=