diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ntfs3/namei.c | 4 | ||||
| -rw-r--r-- | fs/ntfs3/ntfs_fs.h | 6 |
2 files changed, 10 insertions, 0 deletions
diff --git a/fs/ntfs3/namei.c b/fs/ntfs3/namei.c index daff8d0cd63d..0e72d2067804 100644 --- a/fs/ntfs3/namei.c +++ b/fs/ntfs3/namei.c @@ -305,6 +305,8 @@ static int ntfs_rename(struct user_namespace *mnt_userns, struct inode *dir, ni_lock_dir(dir_ni); ni_lock(ni); + if (dir_ni != new_dir_ni) + ni_lock_dir2(new_dir_ni); is_bad = false; err = ni_rename(dir_ni, new_dir_ni, ni, de, new_de, &is_bad); @@ -328,6 +330,8 @@ static int ntfs_rename(struct user_namespace *mnt_userns, struct inode *dir, ntfs_sync_inode(inode); } + if (dir_ni != new_dir_ni) + ni_unlock(new_dir_ni); ni_unlock(ni); ni_unlock(dir_ni); out: diff --git a/fs/ntfs3/ntfs_fs.h b/fs/ntfs3/ntfs_fs.h index 5269d4e66685..776993ae498b 100644 --- a/fs/ntfs3/ntfs_fs.h +++ b/fs/ntfs3/ntfs_fs.h @@ -334,6 +334,7 @@ enum ntfs_inode_mutex_lock_class { NTFS_INODE_MUTEX_REPARSE, NTFS_INODE_MUTEX_NORMAL, NTFS_INODE_MUTEX_PARENT, + NTFS_INODE_MUTEX_PARENT2, }; /* @@ -1121,6 +1122,11 @@ static inline void ni_lock_dir(struct ntfs_inode *ni) mutex_lock_nested(&ni->ni_lock, NTFS_INODE_MUTEX_PARENT); } +static inline void ni_lock_dir2(struct ntfs_inode *ni) +{ + mutex_lock_nested(&ni->ni_lock, NTFS_INODE_MUTEX_PARENT2); +} + static inline void ni_unlock(struct ntfs_inode *ni) { mutex_unlock(&ni->ni_lock); |