This patch adds the disk map of block address ranges configured by multiple
partitions.
Signed-off-by: Jaegeuk Kim <jaeg...@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
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