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-rw-r--r--fs/afs/file.c32
1 files changed, 26 insertions, 6 deletions
diff --git a/fs/afs/file.c b/fs/afs/file.c
index 3eb3fc7b36be..3e25795e5a42 100644
--- a/fs/afs/file.c
+++ b/fs/afs/file.c
@@ -15,32 +15,43 @@
#include <linux/slab.h>
#include <linux/fs.h>
#include <linux/pagemap.h>
+#include <linux/writeback.h>
#include "internal.h"
static int afs_readpage(struct file *file, struct page *page);
static void afs_invalidatepage(struct page *page, unsigned long offset);
static int afs_releasepage(struct page *page, gfp_t gfp_flags);
+static int afs_launder_page(struct page *page);
const struct file_operations afs_file_operations = {
.open = afs_open,
.release = afs_release,
.llseek = generic_file_llseek,
.read = do_sync_read,
+ .write = do_sync_write,
.aio_read = generic_file_aio_read,
+ .aio_write = afs_file_write,
.mmap = generic_file_readonly_mmap,
.sendfile = generic_file_sendfile,
+ .fsync = afs_fsync,
};
const struct inode_operations afs_file_inode_operations = {
.getattr = afs_getattr,
+ .setattr = afs_setattr,
.permission = afs_permission,
};
const struct address_space_operations afs_fs_aops = {
.readpage = afs_readpage,
- .set_page_dirty = __set_page_dirty_nobuffers,
+ .set_page_dirty = afs_set_page_dirty,
+ .launder_page = afs_launder_page,
.releasepage = afs_releasepage,
.invalidatepage = afs_invalidatepage,
+ .prepare_write = afs_prepare_write,
+ .commit_write = afs_commit_write,
+ .writepage = afs_writepage,
+ .writepages = afs_writepages,
};
/*
@@ -230,11 +241,6 @@ static void afs_invalidatepage(struct page *page, unsigned long offset)
BUG_ON(!PageLocked(page));
if (PagePrivate(page)) {
-#ifdef AFS_CACHING_SUPPORT
- struct afs_vnode *vnode = AFS_FS_I(page->mapping->host);
- cachefs_uncache_page(vnode->cache,page);
-#endif
-
/* We release buffers only if the entire page is being
* invalidated.
* The get_block cached value has been unconditionally
@@ -255,19 +261,33 @@ static void afs_invalidatepage(struct page *page, unsigned long offset)
}
/*
+ * write back a dirty page
+ */
+static int afs_launder_page(struct page *page)
+{
+ _enter("{%lu}", page->index);
+
+ return 0;
+}
+
+/*
* release a page and cleanup its private data
*/
static int afs_releasepage(struct page *page, gfp_t gfp_flags)
{
struct afs_vnode *vnode = AFS_FS_I(page->mapping->host);
+ struct afs_writeback *wb;
_enter("{{%x:%u}[%lu],%lx},%x",
vnode->fid.vid, vnode->fid.vnode, page->index, page->flags,
gfp_flags);
if (PagePrivate(page)) {
+ wb = (struct afs_writeback *) page_private(page);
+ ASSERT(wb != NULL);
set_page_private(page, 0);
ClearPagePrivate(page);
+ afs_put_writeback(wb);
}
_leave(" = 0");