aboutsummaryrefslogtreecommitdiffstats
path: root/fs/ecryptfs/super.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/ecryptfs/super.c')
-rw-r--r--fs/ecryptfs/super.c16
1 files changed, 4 insertions, 12 deletions
diff --git a/fs/ecryptfs/super.c b/fs/ecryptfs/super.c
index bacc882e1ae..245b517bf1b 100644
--- a/fs/ecryptfs/super.c
+++ b/fs/ecryptfs/super.c
@@ -55,6 +55,8 @@ static struct inode *ecryptfs_alloc_inode(struct super_block *sb)
55 if (unlikely(!inode_info)) 55 if (unlikely(!inode_info))
56 goto out; 56 goto out;
57 ecryptfs_init_crypt_stat(&inode_info->crypt_stat); 57 ecryptfs_init_crypt_stat(&inode_info->crypt_stat);
58 mutex_init(&inode_info->lower_file_mutex);
59 atomic_set(&inode_info->lower_file_count, 0);
58 inode_info->lower_file = NULL; 60 inode_info->lower_file = NULL;
59 inode = &inode_info->vfs_inode; 61 inode = &inode_info->vfs_inode;
60out: 62out:
@@ -77,8 +79,7 @@ static void ecryptfs_i_callback(struct rcu_head *head)
77 * 79 *
78 * This is used during the final destruction of the inode. All 80 * This is used during the final destruction of the inode. All
79 * allocation of memory related to the inode, including allocated 81 * allocation of memory related to the inode, including allocated
80 * memory in the crypt_stat struct, will be released here. This 82 * memory in the crypt_stat struct, will be released here.
81 * function also fput()'s the persistent file for the lower inode.
82 * There should be no chance that this deallocation will be missed. 83 * There should be no chance that this deallocation will be missed.
83 */ 84 */
84static void ecryptfs_destroy_inode(struct inode *inode) 85static void ecryptfs_destroy_inode(struct inode *inode)
@@ -86,16 +87,7 @@ static void ecryptfs_destroy_inode(struct inode *inode)
86 struct ecryptfs_inode_info *inode_info; 87 struct ecryptfs_inode_info *inode_info;
87 88
88 inode_info = ecryptfs_inode_to_private(inode); 89 inode_info = ecryptfs_inode_to_private(inode);
89 if (inode_info->lower_file) { 90 BUG_ON(inode_info->lower_file);
90 struct dentry *lower_dentry =
91 inode_info->lower_file->f_dentry;
92
93 BUG_ON(!lower_dentry);
94 if (lower_dentry->d_inode) {
95 fput(inode_info->lower_file);
96 inode_info->lower_file = NULL;
97 }
98 }
99 ecryptfs_destroy_crypt_stat(&inode_info->crypt_stat); 91 ecryptfs_destroy_crypt_stat(&inode_info->crypt_stat);
100 call_rcu(&inode->i_rcu, ecryptfs_i_callback); 92 call_rcu(&inode->i_rcu, ecryptfs_i_callback);
101} 93}