drm/nouveau: off by one in init_i2c_device_find()

[safe/jmp/linux-2.6] / fs / ecryptfs / mmap.c

diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c
index bea998a..b1d8275 100644 (file)
--- a/fs/ecryptfs/mmap.c
+++ b/fs/ecryptfs/mmap.c
@@ -32,6 +32,7 @@
 #include <linux/file.h>
 #include <linux/crypto.h>
 #include <linux/scatterlist.h>
+#include <linux/slab.h>
 #include <asm/unaligned.h>
 #include "ecryptfs_kernel.h"
 
@@ -43,17 +44,9 @@
  * Returns locked and up-to-date page (if ok), with increased
  * refcnt.
  */
-struct page *ecryptfs_get_locked_page(struct file *file, loff_t index)
+struct page *ecryptfs_get_locked_page(struct inode *inode, loff_t index)
 {
-       struct dentry *dentry;
-       struct inode *inode;
-       struct address_space *mapping;
-       struct page *page;
-
-       dentry = file->f_path.dentry;
-       inode = dentry->d_inode;
-       mapping = inode->i_mapping;
-       page = read_mapping_page(mapping, index, (void *)file);
+       struct page *page = read_mapping_page(inode->i_mapping, index, NULL);
        if (!IS_ERR(page))
                lock_page(page);
        return page;
@@ -197,7 +190,7 @@ out:
 static int ecryptfs_readpage(struct file *file, struct page *page)
 {
        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;
 
        if (!crypt_stat
@@ -299,8 +292,7 @@ static int ecryptfs_write_begin(struct file *file,
 
        if (!PageUptodate(page)) {
                struct ecryptfs_crypt_stat *crypt_stat =
-                       &ecryptfs_inode_to_private(
-                               file->f_path.dentry->d_inode)->crypt_stat;
+                       &ecryptfs_inode_to_private(mapping->host)->crypt_stat;
 
                if (!(crypt_stat->flags & ECRYPTFS_ENCRYPTED)
                    || (crypt_stat->flags & ECRYPTFS_NEW_FILE)) {
@@ -486,7 +478,7 @@ static int ecryptfs_write_end(struct file *file,
        unsigned to = from + copied;
        struct inode *ecryptfs_inode = mapping->host;
        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;
 
        if (crypt_stat->flags & ECRYPTFS_NEW_FILE) {