btrfs-progs: fi show: remove stray newline in filesystem show

Remove last newline in the output of 'btrfs filesystem show', keep the
line between two filesystems so the devices are visually grouped
togehter.

Pull-request: #866
Author: Matt Langford <github@matt.boats>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Matt Langford 2024-08-08 11:38:35 -04:00 committed by David Sterba
parent 7c3b897803
commit 4331bfb011

View File

@ -365,7 +365,6 @@ static void print_one_uuid(struct btrfs_fs_devices *fs_devices,
if (devs_found < total) {
pr_verbose(LOG_DEFAULT, "\t*** Some devices missing\n");
}
pr_verbose(LOG_DEFAULT, "\n");
}
/* adds up all the used spaces as reported by the space info ioctl
@ -431,7 +430,6 @@ static int print_one_fs(struct btrfs_ioctl_fs_info_args *fs_info,
free(canonical_path);
}
pr_verbose(LOG_DEFAULT, "\n");
return 0;
}
@ -481,6 +479,10 @@ static int btrfs_scan_kernel(void *search, unsigned unit_mode)
fd = open(mnt->mnt_dir, O_RDONLY);
if ((fd != -1) && !get_df(fd, &space_info_arg)) {
/* Put space between filesystem entries for readability. */
if (found != 0)
pr_verbose(LOG_DEFAULT, "\n");
print_one_fs(&fs_info_arg, dev_info_arg,
space_info_arg, label, unit_mode);
free(space_info_arg);
@ -757,6 +759,7 @@ static int cmd_filesystem_show(const struct cmd_struct *cmd,
char uuid_buf[BTRFS_UUID_UNPARSED_SIZE];
unsigned unit_mode;
int found = 0;
bool needs_newline = false;
unit_mode = get_unit_mode_from_arg(&argc, argv, 0);
@ -845,6 +848,12 @@ static int cmd_filesystem_show(const struct cmd_struct *cmd,
goto out;
}
/*
* The above call will return 0 if it found anything, in those cases we
* need an extra newline below.
*/
needs_newline = !ret;
/* shows mounted only */
if (where == BTRFS_SCAN_MOUNTED)
goto out;
@ -882,8 +891,14 @@ devs_only:
goto out;
}
list_for_each_entry(fs_devices, &all_uuids, fs_list)
list_for_each_entry(fs_devices, &all_uuids, fs_list) {
/* Put space between filesystem entries for readability. */
if (needs_newline)
pr_verbose(LOG_DEFAULT, "\n");
print_one_uuid(fs_devices, unit_mode);
needs_newline = true;
}
if (search && !found) {
error("not a valid btrfs filesystem: %s", search);