diff options
| -rw-r--r-- | fs/f2fs/sysfs.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c index 47f24b922af0..79e47e7d737c 100644 --- a/fs/f2fs/sysfs.c +++ b/fs/f2fs/sysfs.c @@ -615,6 +615,28 @@ static int __maybe_unused iostat_info_seq_show(struct seq_file *seq, return 0; } +static int __maybe_unused victim_bits_seq_show(struct seq_file *seq, + void *offset) +{ + struct super_block *sb = seq->private; + struct f2fs_sb_info *sbi = F2FS_SB(sb); + struct dirty_seglist_info *dirty_i = DIRTY_I(sbi); + int i; + + seq_puts(seq, "format: victim_secmap bitmaps\n"); + + for (i = 0; i < MAIN_SECS(sbi); i++) { + if ((i % 10) == 0) + seq_printf(seq, "%-10d", i); + seq_printf(seq, "%d", test_bit(i, dirty_i->victim_secmap) ? 1 : 0); + if ((i % 10) == 9 || i == (MAIN_SECS(sbi) - 1)) + seq_putc(seq, '\n'); + else + seq_putc(seq, ' '); + } + return 0; +} + #define F2FS_PROC_FILE_DEF(_name) \ static int _name##_open_fs(struct inode *inode, struct file *file) \ { \ @@ -631,6 +653,7 @@ static const struct file_operations f2fs_seq_##_name##_fops = { \ F2FS_PROC_FILE_DEF(segment_info); F2FS_PROC_FILE_DEF(segment_bits); F2FS_PROC_FILE_DEF(iostat_info); +F2FS_PROC_FILE_DEF(victim_bits); int __init f2fs_init_sysfs(void) { @@ -681,6 +704,8 @@ int f2fs_register_sysfs(struct f2fs_sb_info *sbi) &f2fs_seq_segment_bits_fops, sb); proc_create_data("iostat_info", S_IRUGO, sbi->s_proc, &f2fs_seq_iostat_info_fops, sb); + proc_create_data("victim_bits", S_IRUGO, sbi->s_proc, + &f2fs_seq_victim_bits_fops, sb); } return 0; } @@ -691,6 +716,7 @@ void f2fs_unregister_sysfs(struct f2fs_sb_info *sbi) remove_proc_entry("iostat_info", sbi->s_proc); remove_proc_entry("segment_info", sbi->s_proc); remove_proc_entry("segment_bits", sbi->s_proc); + remove_proc_entry("victim_bits", sbi->s_proc); remove_proc_entry(sbi->sb->s_id, f2fs_proc_root); } kobject_del(&sbi->s_kobj); |