linux-kernel - [PATCH 13/16] fs/ntfs3: ntfs3_forced

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Message-ID: <6e9cc7e7-b29c-4d63-a73c-9aadd1589f18@paragon-software.com>
Date:   Wed, 6 Dec 2023 18:13:46 +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 13/16] fs/ntfs3: ntfs3_forced_shutdown use int instead of bool


Signed-off-by: Konstantin Komarov <almaz.alexandrovich@...agon-software.com>
---
  fs/ntfs3/fsntfs.c  | 3 ++-
  fs/ntfs3/ntfs_fs.h | 6 +++---
  fs/ntfs3/super.c   | 2 +-
  3 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/fs/ntfs3/fsntfs.c b/fs/ntfs3/fsntfs.c
index fbfe21dbb425..350461d8cece 100644
--- a/fs/ntfs3/fsntfs.c
+++ b/fs/ntfs3/fsntfs.c
@@ -853,7 +853,8 @@ void ntfs_update_mftmirr(struct ntfs_sb_info *sbi, 
int wait)
      /*
       * sb can be NULL here. In this case sbi->flags should be 0 too.
       */
-    if (!sb || !(sbi->flags & NTFS_FLAGS_MFTMIRR))
+    if (!sb || !(sbi->flags & NTFS_FLAGS_MFTMIRR) ||
+        unlikely(ntfs3_forced_shutdown(sb)))
          return;

      blocksize = sb->s_blocksize;
diff --git a/fs/ntfs3/ntfs_fs.h b/fs/ntfs3/ntfs_fs.h
index d40bc7669ae5..7510875efef6 100644
--- a/fs/ntfs3/ntfs_fs.h
+++ b/fs/ntfs3/ntfs_fs.h
@@ -62,7 +62,7 @@ enum utf16_endian;
  /* sbi->flags */
  #define NTFS_FLAGS_NODISCARD        0x00000001
  /* ntfs in shutdown state. */
-#define NTFS_FLAGS_SHUTDOWN        0x00000002
+#define NTFS_FLAGS_SHUTDOWN_BIT        0x00000002  /* == 4*/
  /* Set when LogFile is replaying. */
  #define NTFS_FLAGS_LOG_REPLAYING    0x00000008
  /* Set when we changed first MFT's which copy must be updated in 
$MftMirr. */
@@ -1001,9 +1001,9 @@ static inline struct ntfs_sb_info *ntfs_sb(struct 
super_block *sb)
      return sb->s_fs_info;
  }

-static inline bool ntfs3_forced_shutdown(struct super_block *sb)
+static inline int ntfs3_forced_shutdown(struct super_block *sb)
  {
-    return test_bit(NTFS_FLAGS_SHUTDOWN, &ntfs_sb(sb)->flags);
+    return test_bit(NTFS_FLAGS_SHUTDOWN_BIT, &ntfs_sb(sb)->flags);
  }

  /*
diff --git a/fs/ntfs3/super.c b/fs/ntfs3/super.c
index af8521a6ed95..65ef4b57411f 100644
--- a/fs/ntfs3/super.c
+++ b/fs/ntfs3/super.c
@@ -719,7 +719,7 @@ static int ntfs_show_options(struct seq_file *m, 
struct dentry *root)
   */
  static void ntfs_shutdown(struct super_block *sb)
  {
-    set_bit(NTFS_FLAGS_SHUTDOWN, &ntfs_sb(sb)->flags);
+    set_bit(NTFS_FLAGS_SHUTDOWN_BIT, &ntfs_sb(sb)->flags);
  }

  /*
-- 
2.34.1