diff options
Diffstat (limited to 'fs/ecryptfs/main.c')
| -rw-r--r-- | fs/ecryptfs/main.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c index 2768138eefee..4e0886c9e5c4 100644 --- a/fs/ecryptfs/main.c +++ b/fs/ecryptfs/main.c @@ -162,6 +162,7 @@ void ecryptfs_put_lower_file(struct inode *inode) inode_info = ecryptfs_inode_to_private(inode); if (atomic_dec_and_mutex_lock(&inode_info->lower_file_count, &inode_info->lower_file_mutex)) { + filemap_write_and_wait(inode->i_mapping); fput(inode_info->lower_file); inode_info->lower_file = NULL; mutex_unlock(&inode_info->lower_file_mutex); @@ -544,11 +545,12 @@ static struct dentry *ecryptfs_mount(struct file_system_type *fs_type, int flags goto out_free; } - if (check_ruid && path.dentry->d_inode->i_uid != current_uid()) { + if (check_ruid && !uid_eq(path.dentry->d_inode->i_uid, current_uid())) { rc = -EPERM; printk(KERN_ERR "Mount of device (uid: %d) not owned by " "requested user (uid: %d)\n", - path.dentry->d_inode->i_uid, current_uid()); + i_uid_read(path.dentry->d_inode), + from_kuid(&init_user_ns, current_uid())); goto out_free; } @@ -709,6 +711,12 @@ static void ecryptfs_free_kmem_caches(void) { int i; + /* + * Make sure all delayed rcu free inodes are flushed before we + * destroy cache. + */ + rcu_barrier(); + for (i = 0; i < ARRAY_SIZE(ecryptfs_cache_infos); i++) { struct ecryptfs_cache_info *info; |