From: Marcos Paulo de Souza <mpdesouza@xxxxxxxx>
Current btrfs code returns ENOTCONN when the user tries to create a
qgroup on a subvolume without quota enabled. In order to present a
meaningful message to the user, we now handle ENOTCONN showing
the message "quota not enabled".
Signed-off-by: Marcos Paulo de Souza <mpdesouza@xxxxxxxx>
---
This patch survived a full btrfs-progs tests run
cmds/qgroup.c | 15 +++++++++++----
1 file changed, 11 insertions(+), 4 deletions(-)
diff --git a/cmds/qgroup.c b/cmds/qgroup.c
index ba81052a..6bfb4949 100644
--- a/cmds/qgroup.c
+++ b/cmds/qgroup.c
@@ -98,7 +98,9 @@ static int _cmd_qgroup_assign(const struct cmd_struct *cmd, int assign,
ret = ioctl(fd, BTRFS_IOC_QGROUP_ASSIGN, &args);
if (ret < 0) {
- error("unable to assign quota group: %m");
+ error("unable to assign quota group: %s",
+ errno == ENOTCONN ? "quota not enabled"
+ : strerror(errno));
close_file_or_dir(fd, dirstream);
return 1;
}
@@ -152,8 +154,10 @@ static int _cmd_qgroup_create(int create, int argc, char **argv)
ret = ioctl(fd, BTRFS_IOC_QGROUP_CREATE, &args);
close_file_or_dir(fd, dirstream);
if (ret < 0) {
- error("unable to %s quota group: %m",
- create ? "create":"destroy");
+ error("unable to %s quota group: %s",
+ create ? "create":"destroy",
+ errno == ENOTCONN ? "quota not enabled"
+ : strerror(errno));
return 1;
}
return 0;
@@ -447,7 +451,10 @@ static int cmd_qgroup_limit(const struct cmd_struct *cmd, int argc, char **argv)
ret = ioctl(fd, BTRFS_IOC_QGROUP_LIMIT, &args);
close_file_or_dir(fd, dirstream);
if (ret < 0) {
- error("unable to limit requested quota group: %m");
+ error("unable to limit requested quota group: %s",
+ errno == ENOTCONN ? "quota not enabled"
+ : strerror(errno));
+
return 1;
}
return 0;
--
2.23.0