aboutsummaryrefslogtreecommitdiffstats
path: root/fs/ecryptfs/file.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/ecryptfs/file.c')
-rw-r--r--fs/ecryptfs/file.c45
1 files changed, 18 insertions, 27 deletions
diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c
index eb3dc4c7ac06..9e944057001b 100644
--- a/fs/ecryptfs/file.c
+++ b/fs/ecryptfs/file.c
@@ -77,27 +77,27 @@ struct ecryptfs_getdents_callback {
77 77
78/* Inspired by generic filldir in fs/readdir.c */ 78/* Inspired by generic filldir in fs/readdir.c */
79static int 79static int
80ecryptfs_filldir(void *dirent, const char *name, int namelen, loff_t offset, 80ecryptfs_filldir(void *dirent, const char *lower_name, int lower_namelen,
81 u64 ino, unsigned int d_type) 81 loff_t offset, u64 ino, unsigned int d_type)
82{ 82{
83 struct ecryptfs_crypt_stat *crypt_stat;
84 struct ecryptfs_getdents_callback *buf = 83 struct ecryptfs_getdents_callback *buf =
85 (struct ecryptfs_getdents_callback *)dirent; 84 (struct ecryptfs_getdents_callback *)dirent;
85 size_t name_size;
86 char *name;
86 int rc; 87 int rc;
87 int decoded_length;
88 char *decoded_name;
89 88
90 crypt_stat = ecryptfs_dentry_to_private(buf->dentry)->crypt_stat;
91 buf->filldir_called++; 89 buf->filldir_called++;
92 decoded_length = ecryptfs_decode_filename(crypt_stat, name, namelen, 90 rc = ecryptfs_decode_and_decrypt_filename(&name, &name_size,
93 &decoded_name); 91 buf->dentry, lower_name,
94 if (decoded_length < 0) { 92 lower_namelen);
95 rc = decoded_length; 93 if (rc) {
94 printk(KERN_ERR "%s: Error attempting to decode and decrypt "
95 "filename [%s]; rc = [%d]\n", __func__, lower_name,
96 rc);
96 goto out; 97 goto out;
97 } 98 }
98 rc = buf->filldir(buf->dirent, decoded_name, decoded_length, offset, 99 rc = buf->filldir(buf->dirent, name, name_size, offset, ino, d_type);
99 ino, d_type); 100 kfree(name);
100 kfree(decoded_name);
101 if (rc >= 0) 101 if (rc >= 0)
102 buf->entries_written++; 102 buf->entries_written++;
103out: 103out:
@@ -106,8 +106,8 @@ out:
106 106
107/** 107/**
108 * ecryptfs_readdir 108 * ecryptfs_readdir
109 * @file: The ecryptfs file struct 109 * @file: The eCryptfs directory file
110 * @dirent: Directory entry 110 * @dirent: Directory entry handle
111 * @filldir: The filldir callback function 111 * @filldir: The filldir callback function
112 */ 112 */
113static int ecryptfs_readdir(struct file *file, void *dirent, filldir_t filldir) 113static int ecryptfs_readdir(struct file *file, void *dirent, filldir_t filldir)
@@ -275,18 +275,9 @@ static int ecryptfs_release(struct inode *inode, struct file *file)
275static int 275static int
276ecryptfs_fsync(struct file *file, struct dentry *dentry, int datasync) 276ecryptfs_fsync(struct file *file, struct dentry *dentry, int datasync)
277{ 277{
278 struct file *lower_file = ecryptfs_file_to_lower(file); 278 return vfs_fsync(ecryptfs_file_to_lower(file),
279 struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry); 279 ecryptfs_dentry_to_lower(dentry),
280 struct inode *lower_inode = lower_dentry->d_inode; 280 datasync);
281 int rc = -EINVAL;
282
283 if (lower_inode->i_fop->fsync) {
284 mutex_lock(&lower_inode->i_mutex);
285 rc = lower_inode->i_fop->fsync(lower_file, lower_dentry,
286 datasync);
287 mutex_unlock(&lower_inode->i_mutex);
288 }
289 return rc;
290} 281}
291 282
292static int ecryptfs_fasync(int fd, struct file *file, int flag) 283static int ecryptfs_fasync(int fd, struct file *file, int flag)