From: Jaegeuk Kim <jaegeuk@kernel.org>
To: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net
Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Subject: [f2fs-dev] [PATCH] f2fs: add a proc entry show disk map
Date: Mon, 4 Mar 2024 16:17:08 -0800 [thread overview]
Message-ID: <20240305001709.637722-1-jaegeuk@kernel.org> (raw)
This patch adds the disk map of block address ranges configured by multiple
partitions.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
fs/f2fs/sysfs.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index 10f308b3128f..e81af6adb85b 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -1492,6 +1492,27 @@ static int __maybe_unused discard_plist_seq_show(struct seq_file *seq,
return 0;
}
+static int __maybe_unused disk_map_seq_show(struct seq_file *seq,
+ void *offset)
+{
+ struct super_block *sb = seq->private;
+ struct f2fs_sb_info *sbi = F2FS_SB(sb);
+ int i;
+
+ seq_puts(seq, "Disk Map for multi devices:\n");
+ if (!f2fs_is_multi_device(sbi))
+ return 0;
+
+ for (i = 0; i < sbi->s_ndevs; i++) {
+ seq_printf(seq, "%2d (zoned=%d): %20x - %20x",
+ i, bdev_is_zoned(FDEV(i).bdev),
+ FDEV(i).start_blk, FDEV(i).end_blk);
+ seq_putc(seq, '\n');
+ }
+ return 0;
+}
+
+
int __init f2fs_init_sysfs(void)
{
int ret;
@@ -1573,6 +1594,8 @@ int f2fs_register_sysfs(struct f2fs_sb_info *sbi)
victim_bits_seq_show, sb);
proc_create_single_data("discard_plist_info", 0444, sbi->s_proc,
discard_plist_seq_show, sb);
+ proc_create_single_data("disk_map", 0444, sbi->s_proc,
+ disk_map_seq_show, sb);
return 0;
put_feature_list_kobj:
kobject_put(&sbi->s_feature_list_kobj);
--
2.44.0.278.ge034bb2e1d-goog
_______________________________________________
Linux-f2fs-devel mailing list
Linux-f2fs-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
next reply other threads:[~2024-03-05 0:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-05 0:17 Jaegeuk Kim [this message]
2024-03-05 23:28 ` [f2fs-dev] [PATCH v2] f2fs: add a proc entry show disk map Jaegeuk Kim
2024-03-06 2:23 ` Chao Yu
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20240305001709.637722-1-jaegeuk@kernel.org \
--to=jaegeuk@kernel.org \
--cc=linux-f2fs-devel@lists.sourceforge.net \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).