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authorPatrik Lundquist <patrik.lundquist@gmail.com>2016-04-05 17:27:43 +0200
committerDavid Sterba <dsterba@suse.com>2016-05-02 14:41:54 +0200
commita963abc3d32cc3ca8ebf202f1227064fdd9c14a6 (patch)
tree14dce5724384f89ebaf78b39edac95eeba0563f3 /cmds-device.c
parent972cfbe32fecc4844284277e33429371146a08aa (diff)
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btrfs-progs: device stats: Print devid instead of null
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.lundquist@gmail.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'cmds-device.c')
-rw-r--r--cmds-device.c7
1 files changed, 7 insertions, 0 deletions
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,