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-rw-r--r--fs/ecryptfs/inode.c18
-rw-r--r--fs/ecryptfs/super.c14
2 files changed, 24 insertions, 8 deletions
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index 31ef525..82900b0 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -804,10 +804,20 @@ static int truncate_upper(struct dentry *dentry, struct iattr *ia,
size_t num_zeros = (PAGE_CACHE_SIZE
- (ia->ia_size & ~PAGE_CACHE_MASK));
+
+ /*
+ * XXX(truncate) this should really happen at the begginning
+ * of ->setattr. But the code is too messy to that as part
+ * of a larger patch. ecryptfs is also totally missing out
+ * on the inode_change_ok check at the beginning of
+ * ->setattr while would include this.
+ */
+ rc = inode_newsize_ok(inode, ia->ia_size);
+ if (rc)
+ goto out;
+
if (!(crypt_stat->flags & ECRYPTFS_ENCRYPTED)) {
- rc = simple_setsize(inode, ia->ia_size);
- if (rc)
- goto out;
+ truncate_setsize(inode, ia->ia_size);
lower_ia->ia_size = ia->ia_size;
lower_ia->ia_valid |= ATTR_SIZE;
goto out;
@@ -830,7 +840,7 @@ static int truncate_upper(struct dentry *dentry, struct iattr *ia,
goto out;
}
}
- simple_setsize(inode, ia->ia_size);
+ truncate_setsize(inode, ia->ia_size);
rc = ecryptfs_write_inode_size_to_metadata(inode);
if (rc) {
printk(KERN_ERR "Problem with "
diff --git a/fs/ecryptfs/super.c b/fs/ecryptfs/super.c
index 0435886..f7fc286 100644
--- a/fs/ecryptfs/super.c
+++ b/fs/ecryptfs/super.c
@@ -118,11 +118,15 @@ void ecryptfs_init_inode(struct inode *inode, struct inode *lower_inode)
*/
static int ecryptfs_statfs(struct dentry *dentry, struct kstatfs *buf)
{
- return vfs_statfs(ecryptfs_dentry_to_lower(dentry), buf);
+ struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry);
+
+ if (!lower_dentry->d_sb->s_op->statfs)
+ return -ENOSYS;
+ return lower_dentry->d_sb->s_op->statfs(lower_dentry, buf);
}
/**
- * ecryptfs_clear_inode
+ * ecryptfs_evict_inode
* @inode - The ecryptfs inode
*
* Called by iput() when the inode reference count reached zero
@@ -131,8 +135,10 @@ static int ecryptfs_statfs(struct dentry *dentry, struct kstatfs *buf)
* on the inode free list. We use this to drop out reference to the
* lower inode.
*/
-static void ecryptfs_clear_inode(struct inode *inode)
+static void ecryptfs_evict_inode(struct inode *inode)
{
+ truncate_inode_pages(&inode->i_data, 0);
+ end_writeback(inode);
iput(ecryptfs_inode_to_lower(inode));
}
@@ -184,6 +190,6 @@ const struct super_operations ecryptfs_sops = {
.drop_inode = generic_delete_inode,
.statfs = ecryptfs_statfs,
.remount_fs = NULL,
- .clear_inode = ecryptfs_clear_inode,
+ .evict_inode = ecryptfs_evict_inode,
.show_options = ecryptfs_show_options
};
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