linux-kernel - [PATCH] bcachefs: Fix missing spaces in journal_entry_dev_usage_to

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Date: Thu, 18 Apr 2024 16:31:03 +0800
From: Youling Tang <youling.tang@...ux.dev>
To: Kent Overstreet <kent.overstreet@...ux.dev>
Cc: linux-bcachefs@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Youling Tang <tangyouling@...inos.cn>
Subject: [PATCH] bcachefs: Fix missing spaces in journal_entry_dev_usage_to_text

From: Youling Tang <tangyouling@...inos.cn>

Fixed missing spaces displayed in journal_entry_dev_usage_to_text
while adjusting the display format to improve readability.

before:
```
 # bcachefs list_journal -a -t alloc:1:0 /dev/sdb
 ...
     dev_usage: dev=0free: buckets=233180 sectors=0 fragmented=0sb: buckets=13 sectors=6152 fragmented=504journal: buckets=1847 sectors=945664 fragmented=0btree: buckets=20 sectors=10240 fragmented=0user: buckets=1419 sectors=726513 fragmented=15cached: buckets=0 sectors=0 fragmented=0parity: buckets=0 sectors=0 fragmented=0stripe: buckets=0 sectors=0 fragmented=0need_gc_gens: buckets=0 sectors=0 fragmented=0need_discard: buckets=1 sectors=0 fragmented=0
```

after:
```
 # bcachefs list_journal -a -t alloc:1:0 /dev/sdb
 ...
     dev_usage: dev=0
       free: buckets=233180 sectors=0 fragmented=0
       sb: buckets=13 sectors=6152 fragmented=504
       journal: buckets=1847 sectors=945664 fragmented=0
       btree: buckets=20 sectors=10240 fragmented=0
       user: buckets=1419 sectors=726513 fragmented=15
       cached: buckets=0 sectors=0 fragmented=0
       parity: buckets=0 sectors=0 fragmented=0
       stripe: buckets=0 sectors=0 fragmented=0
       need_gc_gens: buckets=0 sectors=0 fragmented=0
       need_discard: buckets=1 sectors=0 fragmented=0
```
Signed-off-by: Youling Tang <tangyouling@...inos.cn>
---
- Note: Test only by modifying bcachefs-tools.

 fs/bcachefs/journal_io.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fs/bcachefs/journal_io.c b/fs/bcachefs/journal_io.c
index e726d9f560a0..58501ef758b3 100644
--- a/fs/bcachefs/journal_io.c
+++ b/fs/bcachefs/journal_io.c
@@ -706,13 +706,16 @@ static void journal_entry_dev_usage_to_text(struct printbuf *out, struct bch_fs
 
 	prt_printf(out, "dev=%u", le32_to_cpu(u->dev));
 
+	printbuf_indent_add(out, 2);
 	for (i = 0; i < nr_types; i++) {
+		prt_newline(out);
 		bch2_prt_data_type(out, i);
 		prt_printf(out, ": buckets=%llu sectors=%llu fragmented=%llu",
 		       le64_to_cpu(u->d[i].buckets),
 		       le64_to_cpu(u->d[i].sectors),
 		       le64_to_cpu(u->d[i].fragmented));
 	}
+	printbuf_indent_sub(out, 2);
 }
 
 static int journal_entry_log_validate(struct bch_fs *c,
-- 
2.34.1