[5/8] fs/ntfs3: Add more info into /proc/fs/ntfs3/<dev>/volinfo

Commit Message

Konstantin Komarov Sept. 26, 2023, 9:56 a.m. UTC

Signed-off-by: Konstantin Komarov <[e-mail]>
---
  fs/ntfs3/super.c | 14 +++++++++++---
  1 file changed, 11 insertions(+), 3 deletions(-)

Patch

diff --git a/fs/ntfs3/super.c b/fs/ntfs3/super.c
index f9a214367113..5811da7e9d45 100644
--- a/fs/ntfs3/super.c
+++ b/fs/ntfs3/super.c
@@ -453,15 +453,23 @@  static struct proc_dir_entry *proc_info_root;
   * ntfs3.1
   * cluster size
   * number of clusters
+ * total number of mft records
+ * number of used mft records ~= number of files + folders
+ * real state of ntfs "dirty"/"clean"
+ * current state of ntfs "dirty"/"clean"
  */
  static int ntfs3_volinfo(struct seq_file *m, void *o)
  {
      struct super_block *sb = m->private;
      struct ntfs_sb_info *sbi = sb->s_fs_info;

-    seq_printf(m, "ntfs%d.%d\n%u\n%zu\n", sbi->volume.major_ver,
-           sbi->volume.minor_ver, sbi->cluster_size,
-           sbi->used.bitmap.nbits);
+    seq_printf(m, "ntfs%d.%d\n%u\n%zu\n\%zu\n%zu\n%s\n%s\n",
+           sbi->volume.major_ver, sbi->volume.minor_ver,
+           sbi->cluster_size, sbi->used.bitmap.nbits,
+           sbi->mft.bitmap.nbits,
+           sbi->mft.bitmap.nbits - wnd_zeroes(&sbi->mft.bitmap),
+           sbi->volume.real_dirty ? "dirty" : "clean",
+           (sbi->volume.flags & VOLUME_FLAG_DIRTY) ? "dirty" : "clean");

      return 0;
  }