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Diffstat (limited to 'fs/afs/file.c')
-rw-r--r--fs/afs/file.c60
1 files changed, 53 insertions, 7 deletions
diff --git a/fs/afs/file.c b/fs/afs/file.c
index 6990327e75dd..101bbb8c0d8b 100644
--- a/fs/afs/file.c
+++ b/fs/afs/file.c
@@ -17,17 +17,23 @@
#include <linux/pagemap.h>
#include "internal.h"
-#if 0
-static int afs_file_open(struct inode *inode, struct file *file);
-static int afs_file_release(struct inode *inode, struct file *file);
-#endif
-
static int afs_file_readpage(struct file *file, struct page *page);
static void afs_file_invalidatepage(struct page *page, unsigned long offset);
static int afs_file_releasepage(struct page *page, gfp_t gfp_flags);
+const struct file_operations afs_file_operations = {
+ .open = afs_open,
+ .release = afs_release,
+ .llseek = generic_file_llseek,
+ .read = do_sync_read,
+ .aio_read = generic_file_aio_read,
+ .mmap = generic_file_readonly_mmap,
+ .sendfile = generic_file_sendfile,
+};
+
const struct inode_operations afs_file_inode_operations = {
.getattr = afs_inode_getattr,
+ .permission = afs_permission,
};
const struct address_space_operations afs_fs_aops = {
@@ -38,6 +44,41 @@ const struct address_space_operations afs_fs_aops = {
};
/*
+ * open an AFS file or directory and attach a key to it
+ */
+int afs_open(struct inode *inode, struct file *file)
+{
+ struct afs_vnode *vnode = AFS_FS_I(inode);
+ struct key *key;
+
+ _enter("{%x:%x},", vnode->fid.vid, vnode->fid.vnode);
+
+ key = afs_request_key(vnode->volume->cell);
+ if (IS_ERR(key)) {
+ _leave(" = %ld [key]", PTR_ERR(key));
+ return PTR_ERR(key);
+ }
+
+ file->private_data = key;
+ _leave(" = 0");
+ return 0;
+}
+
+/*
+ * release an AFS file or directory and discard its key
+ */
+int afs_release(struct inode *inode, struct file *file)
+{
+ struct afs_vnode *vnode = AFS_FS_I(inode);
+
+ _enter("{%x:%x},", vnode->fid.vid, vnode->fid.vnode);
+
+ key_put(file->private_data);
+ _leave(" = 0");
+ return 0;
+}
+
+/*
* deal with notification that a page was read from the cache
*/
#ifdef AFS_CACHING_SUPPORT
@@ -79,13 +120,18 @@ static int afs_file_readpage(struct file *file, struct page *page)
{
struct afs_vnode *vnode;
struct inode *inode;
+ struct key *key;
size_t len;
off_t offset;
int ret;
inode = page->mapping->host;
- _enter("{%lu},{%lu}", inode->i_ino, page->index);
+ ASSERT(file != NULL);
+ key = file->private_data;
+ ASSERT(key != NULL);
+
+ _enter("{%x},{%lu},{%lu}", key_serial(key), inode->i_ino, page->index);
vnode = AFS_FS_I(inode);
@@ -124,7 +170,7 @@ static int afs_file_readpage(struct file *file, struct page *page)
/* read the contents of the file from the server into the
* page */
- ret = afs_vnode_fetch_data(vnode, offset, len, page);
+ ret = afs_vnode_fetch_data(vnode, key, offset, len, page);
if (ret < 0) {
if (ret == -ENOENT) {
_debug("got NOENT from server"