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

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Message-ID: <0b667ec4-8223-407b-9303-94b70dfa5101@paragon-software.com>
Date:   Tue, 26 Sep 2023 12:56:37 +0300
From:   Konstantin Komarovc <almaz.alexandrovich@...agon-software.com>
To:     <ntfs3@...ts.linux.dev>
CC:     <linux-kernel@...r.kernel.org>, <linux-fsdevel@...r.kernel.org>
Subject: [PATCH 5/8] fs/ntfs3: Add more info into /proc/fs/ntfs3/<dev>/volinfo


Signed-off-by: Konstantin Komarov <almaz.alexandrovich@...agon-software.com>
---
  fs/ntfs3/super.c | 14 +++++++++++---
  1 file changed, 11 insertions(+), 3 deletions(-)

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;
  }
-- 
2.34.1