Satoru Takeuchi
2014-Aug-11 09:13 UTC
[PATCH 3/3] btrfs-progs: Show error message if btrfs filesystem show failed to find any btrfs filesystem
From: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>
Current btrfs doesn't display any error message if this command
failed to find any btrfs filesystem corresponding to
<path>|<uuid>|<device>|<label> which user specified.
Signed-off-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>
---
cmds-filesystem.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/cmds-filesystem.c b/cmds-filesystem.c
index 7633f1f..2f78e24 100644
--- a/cmds-filesystem.c
+++ b/cmds-filesystem.c
@@ -695,6 +695,7 @@ static int cmd_show(int argc, char **argv)
ret = btrfs_scan_kernel(search);
if (search && !ret) {
/* since search is found we are done */
+ found = 1;
goto out;
}
@@ -729,6 +730,15 @@ devs_only:
btrfs_close_devices(fs_devices);
}
out:
+ if (search && !found) {
+ fprintf(stderr,
+ "ERROR: Couldn't find any btrfs filesystem "
+ "matches with '%s'.\n", search);
+ fprintf(stderr,
+ "Please check if both '%s' and the range of scanning "
+ "are correct.\n", search);
+ }
+
printf("%s\n", BTRFS_BUILD_VERSION);
free_seen_fsid();
return ret;
--
1.9.3
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