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-rw-r--r--fs/f2fs/sysfs.c52
1 files changed, 49 insertions, 3 deletions
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index a7ec55c7bb..a568ce96cf 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -493,8 +493,8 @@ out:
spin_lock(&sbi->stat_lock);
if (t > (unsigned long)(sbi->user_block_count -
F2FS_OPTION(sbi).root_reserved_blocks -
- sbi->blocks_per_seg *
- SM_I(sbi)->additional_reserved_segments)) {
+ SEGS_TO_BLKS(sbi,
+ SM_I(sbi)->additional_reserved_segments))) {
spin_unlock(&sbi->stat_lock);
return -EINVAL;
}
@@ -551,7 +551,7 @@ out:
}
if (!strcmp(a->attr.name, "migration_granularity")) {
- if (t == 0 || t > sbi->segs_per_sec)
+ if (t == 0 || t > SEGS_PER_SEC(sbi))
return -EINVAL;
}
@@ -1492,6 +1492,50 @@ 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_printf(seq, "Address Layout : %5luB Block address (# of Segments)\n",
+ F2FS_BLKSIZE);
+ seq_printf(seq, " SB : %12s\n", "0/1024B");
+ seq_printf(seq, " seg0_blkaddr : 0x%010x\n", SEG0_BLKADDR(sbi));
+ seq_printf(seq, " Checkpoint : 0x%010x (%10d)\n",
+ le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr), 2);
+ seq_printf(seq, " SIT : 0x%010x (%10d)\n",
+ SIT_I(sbi)->sit_base_addr,
+ le32_to_cpu(F2FS_RAW_SUPER(sbi)->segment_count_sit));
+ seq_printf(seq, " NAT : 0x%010x (%10d)\n",
+ NM_I(sbi)->nat_blkaddr,
+ le32_to_cpu(F2FS_RAW_SUPER(sbi)->segment_count_nat));
+ seq_printf(seq, " SSA : 0x%010x (%10d)\n",
+ SM_I(sbi)->ssa_blkaddr,
+ le32_to_cpu(F2FS_RAW_SUPER(sbi)->segment_count_ssa));
+ seq_printf(seq, " Main : 0x%010x (%10d)\n",
+ SM_I(sbi)->main_blkaddr,
+ le32_to_cpu(F2FS_RAW_SUPER(sbi)->segment_count_main));
+ seq_printf(seq, " # of Sections : %12d\n",
+ le32_to_cpu(F2FS_RAW_SUPER(sbi)->section_count));
+ seq_printf(seq, " Segs/Sections : %12d\n",
+ SEGS_PER_SEC(sbi));
+ seq_printf(seq, " Section size : %12d MB\n",
+ SEGS_PER_SEC(sbi) << 1);
+
+ if (!f2fs_is_multi_device(sbi))
+ return 0;
+
+ seq_puts(seq, "\nDisk Map for multi devices:\n");
+ for (i = 0; i < sbi->s_ndevs; i++)
+ seq_printf(seq, "Disk:%2d (zoned=%d): 0x%010x - 0x%010x on %s\n",
+ i, bdev_is_zoned(FDEV(i).bdev),
+ FDEV(i).start_blk, FDEV(i).end_blk,
+ FDEV(i).path);
+ return 0;
+}
+
int __init f2fs_init_sysfs(void)
{
int ret;
@@ -1573,6 +1617,8 @@ 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);