From: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx>
[ Upstream commit 97ec56d390a3a0077b36cb38627f671c72dddce6 ]
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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);
}
/*
--
2.43.0
