simplify access to ecryptfs inodes in ->readpage() and friends

we can get to them from page->mapping->host, no need to mess with
file.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2010-05-21 10:56:12 -04:00
Родитель f6d335c08d
Коммит bef5bc2464
1 изменённых файлов: 3 добавлений и 4 удалений

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@ -198,7 +198,7 @@ out:
static int ecryptfs_readpage(struct file *file, struct page *page) static int ecryptfs_readpage(struct file *file, struct page *page)
{ {
struct ecryptfs_crypt_stat *crypt_stat = struct ecryptfs_crypt_stat *crypt_stat =
&ecryptfs_inode_to_private(file->f_path.dentry->d_inode)->crypt_stat; &ecryptfs_inode_to_private(page->mapping->host)->crypt_stat;
int rc = 0; int rc = 0;
if (!crypt_stat if (!crypt_stat
@ -300,8 +300,7 @@ static int ecryptfs_write_begin(struct file *file,
if (!PageUptodate(page)) { if (!PageUptodate(page)) {
struct ecryptfs_crypt_stat *crypt_stat = struct ecryptfs_crypt_stat *crypt_stat =
&ecryptfs_inode_to_private( &ecryptfs_inode_to_private(mapping->host)->crypt_stat;
file->f_path.dentry->d_inode)->crypt_stat;
if (!(crypt_stat->flags & ECRYPTFS_ENCRYPTED) if (!(crypt_stat->flags & ECRYPTFS_ENCRYPTED)
|| (crypt_stat->flags & ECRYPTFS_NEW_FILE)) { || (crypt_stat->flags & ECRYPTFS_NEW_FILE)) {
@ -487,7 +486,7 @@ static int ecryptfs_write_end(struct file *file,
unsigned to = from + copied; unsigned to = from + copied;
struct inode *ecryptfs_inode = mapping->host; struct inode *ecryptfs_inode = mapping->host;
struct ecryptfs_crypt_stat *crypt_stat = struct ecryptfs_crypt_stat *crypt_stat =
&ecryptfs_inode_to_private(file->f_path.dentry->d_inode)->crypt_stat; &ecryptfs_inode_to_private(ecryptfs_inode)->crypt_stat;
int rc; int rc;
if (crypt_stat->flags & ECRYPTFS_NEW_FILE) { if (crypt_stat->flags & ECRYPTFS_NEW_FILE) {