From: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>
To: "linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>
Subject: [PATCH] btrfs-progs: fi show: print error message if no valid Btrfs is specified
Date: Fri, 24 Jun 2016 17:24:47 +0900 [thread overview]
Message-ID: <a22eda17-c639-9b2b-fa08-d4f0b032d4c9@jp.fujitsu.com> (raw)
* Before this patch
===============================
# ./btrfs fi show foo # "foo" doesn't mean any valid Btrfs
# # no error message
# echo $?
1
===============================
* After this patch
===============================
# ./btrfs fi show foo
ERROR: foo is not a valid Btrfs
#
# echo $?
1
===============================
Signed-off-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>
---
cmds-filesystem.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/cmds-filesystem.c b/cmds-filesystem.c
index 88867a3..90f3c49 100644
--- a/cmds-filesystem.c
+++ b/cmds-filesystem.c
@@ -898,9 +898,10 @@ devs_only:
list_for_each_entry(fs_devices, &all_uuids, list)
print_one_uuid(fs_devices, unit_mode);
- if (search && !found)
+ if (search && !found) {
+ error("%s is not a valid Btrfs", search);
ret = 1;
-
+ }
while (!list_empty(&all_uuids)) {
fs_devices = list_entry(all_uuids.next,
struct btrfs_fs_devices, list);
--
2.5.5
next reply other threads:[~2016-06-24 8:25 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-24 8:24 Satoru Takeuchi [this message]
2016-06-24 12:01 ` [PATCH] btrfs-progs: fi show: print error message if no valid Btrfs is specified David Sterba
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