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-rw-r--r--fs/ecryptfs/ecryptfs_kernel.h2
-rw-r--r--fs/ecryptfs/file.c4
-rw-r--r--fs/ecryptfs/inode.c27
-rw-r--r--fs/ecryptfs/main.c16
4 files changed, 23 insertions, 26 deletions
diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h
index b0727f91454e..b73fb752c5f8 100644
--- a/fs/ecryptfs/ecryptfs_kernel.h
+++ b/fs/ecryptfs/ecryptfs_kernel.h
@@ -235,7 +235,6 @@ struct ecryptfs_crypt_stat {
#define ECRYPTFS_METADATA_IN_XATTR 0x00000100
#define ECRYPTFS_VIEW_AS_ENCRYPTED 0x00000200
#define ECRYPTFS_KEY_SET 0x00000400
-#define ECRYPTFS_DELAY_PERSISTENT 0x00000800
u32 flags;
unsigned int file_version;
size_t iv_bytes;
@@ -576,7 +575,6 @@ struct ecryptfs_open_req {
};
#define ECRYPTFS_INTERPOSE_FLAG_D_ADD 0x00000001
-#define ECRYPTFS_INTERPOSE_FLAG_DELAY_PERSISTENT_FILE 0x00000002
int ecryptfs_interpose(struct dentry *hidden_dentry,
struct dentry *this_dentry, struct super_block *sb,
u32 flags);
diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c
index 2c2d60df3f60..9244d653743e 100644
--- a/fs/ecryptfs/file.c
+++ b/fs/ecryptfs/file.c
@@ -200,10 +200,6 @@ static int ecryptfs_open(struct inode *inode, struct file *file)
goto out;
}
if (!ecryptfs_inode_to_private(inode)->lower_file) {
- BUG_ON(!(crypt_stat->flags & ECRYPTFS_DELAY_PERSISTENT));
- mutex_lock(&crypt_stat->cs_mutex);
- crypt_stat->flags &= ~(ECRYPTFS_ENCRYPTED);
- mutex_unlock(&crypt_stat->cs_mutex);
rc = ecryptfs_init_persistent_file(ecryptfs_dentry);
if (rc) {
printk(KERN_ERR "%s: Error attempting to initialize "
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index 26090878c930..d755455e3bff 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -189,6 +189,16 @@ static int ecryptfs_initialize_file(struct dentry *ecryptfs_dentry)
"context; rc = [%d]\n", rc);
goto out;
}
+ if (!ecryptfs_inode_to_private(ecryptfs_dentry->d_inode)->lower_file) {
+ rc = ecryptfs_init_persistent_file(ecryptfs_dentry);
+ if (rc) {
+ printk(KERN_ERR "%s: Error attempting to initialize "
+ "the persistent file for the dentry with name "
+ "[%s]; rc = [%d]\n", __func__,
+ ecryptfs_dentry->d_name.name, rc);
+ goto out;
+ }
+ }
rc = ecryptfs_write_metadata(ecryptfs_dentry);
if (rc) {
printk(KERN_ERR "Error writing headers; rc = [%d]\n", rc);
@@ -312,7 +322,7 @@ static struct dentry *ecryptfs_lookup(struct inode *dir, struct dentry *dentry,
ECRYPTFS_INTERPOSE_FLAG_D_ADD);
if (rc) {
ecryptfs_printk(KERN_ERR, "Error interposing\n");
- goto out_dput;
+ goto out;
}
if (S_ISDIR(lower_inode->i_mode)) {
ecryptfs_printk(KERN_DEBUG, "Is a directory; returning\n");
@@ -338,11 +348,21 @@ static struct dentry *ecryptfs_lookup(struct inode *dir, struct dentry *dentry,
rc = -ENOMEM;
ecryptfs_printk(KERN_ERR,
"Cannot ecryptfs_kmalloc a page\n");
- goto out_dput;
+ goto out;
}
crypt_stat = &ecryptfs_inode_to_private(dentry->d_inode)->crypt_stat;
if (!(crypt_stat->flags & ECRYPTFS_POLICY_APPLIED))
ecryptfs_set_default_sizes(crypt_stat);
+ if (!ecryptfs_inode_to_private(dentry->d_inode)->lower_file) {
+ rc = ecryptfs_init_persistent_file(dentry);
+ if (rc) {
+ printk(KERN_ERR "%s: Error attempting to initialize "
+ "the persistent file for the dentry with name "
+ "[%s]; rc = [%d]\n", __func__,
+ dentry->d_name.name, rc);
+ goto out;
+ }
+ }
rc = ecryptfs_read_and_validate_header_region(page_virt,
dentry->d_inode);
if (rc) {
@@ -538,8 +558,7 @@ ecryptfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
rc = vfs_mknod(lower_dir_dentry->d_inode, lower_dentry, mode, dev);
if (rc || !lower_dentry->d_inode)
goto out;
- rc = ecryptfs_interpose(lower_dentry, dentry, dir->i_sb,
- ECRYPTFS_INTERPOSE_FLAG_DELAY_PERSISTENT_FILE);
+ rc = ecryptfs_interpose(lower_dentry, dentry, dir->i_sb, 0);
if (rc)
goto out;
fsstack_copy_attr_times(dir, lower_dir_dentry->d_inode);
diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
index ee4f84b20410..6f403cfba14f 100644
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -201,22 +201,6 @@ int ecryptfs_interpose(struct dentry *lower_dentry, struct dentry *dentry,
/* This size will be overwritten for real files w/ headers and
* other metadata */
fsstack_copy_inode_size(inode, lower_inode);
- if (!(flags & ECRYPTFS_INTERPOSE_FLAG_DELAY_PERSISTENT_FILE)) {
- rc = ecryptfs_init_persistent_file(dentry);
- if (rc) {
- printk(KERN_ERR "%s: Error attempting to initialize "
- "the persistent file for the dentry with name "
- "[%s]; rc = [%d]\n", __func__,
- dentry->d_name.name, rc);
- goto out;
- }
- } else {
- struct ecryptfs_inode_info *inode_info =
- ecryptfs_inode_to_private(dentry->d_inode);
-
- inode_info->lower_file = NULL;
- inode_info->crypt_stat.flags |= ECRYPTFS_DELAY_PERSISTENT;
- }
out:
return rc;
}