Print e.g. "[devid:4].write_io_errs 6" instead of
"[(null)].write_io_errs 6" when device is missing.
Signed-off-by: Patrik Lundquist <patrik.lundqu...@gmail.com>
---
cmds-device.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/cmds-device.c b/cmds-device.c
index b17b6c6..7616c43 100644
--- a/cmds-device.c
+++ b/cmds-device.c
@@ -447,6 +447,13 @@ static int cmd_device_stats(int argc, char **argv)
canonical_path = canonicalize_path((char *)path);
+ /* No path when device is missing. */
+ if (!canonical_path) {
+ canonical_path = malloc(32);
+ snprintf(canonical_path, 32,
+ "devid:%llu", args.devid);
+ }
+
if (args.nr_items >= BTRFS_DEV_STAT_WRITE_ERRS + 1)
printf("[%s].write_io_errs %llu\n",
canonical_path,
--
2.8.0.rc3
--
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