*/
#include <linux/slab.h>
-#include <linux/writeback.h>
-#include <linux/buffer_head.h>
-#include <scsi/scsi_device.h>
#include "exofs.h"
unsigned nr_pages;
unsigned long length;
loff_t pg_first; /* keep 64bit also in 32-arches */
+ bool read_4_write; /* This means two things: that the read is sync
+ * And the pages should not be unlocked.
+ */
};
static void _pcol_init(struct page_collect *pcol, unsigned expected_pages,
pcol->nr_pages = 0;
pcol->length = 0;
pcol->pg_first = -1;
+ pcol->read_4_write = false;
}
static void _pcol_reset(struct page_collect *pcol)
if (PageError(page))
ClearPageError(page);
- unlock_page(page);
+ if (!pcol->read_4_write)
+ unlock_page(page);
EXOFS_DBGMSG("readpage_strip(0x%lx, 0x%lx) empty page,"
" splitting\n", inode->i_ino, page->index);
/* readpage_strip might call read_exec(,is_sync==false) at several
* places but not if we have a single page.
*/
+ pcol.read_4_write = is_sync;
ret = readpage_strip(&pcol, page);
if (ret) {
EXOFS_ERR("_readpage => %d\n", ret);
{
EXOFS_DBGMSG("page 0x%lx\n", page->index);
WARN_ON(1);
- return try_to_free_buffers(page);
+ return 0;
}
static void exofs_invalidatepage(struct page *page, unsigned long offset)
{
- EXOFS_DBGMSG("page_has_buffers=>%d\n", page_has_buffers(page));
+ EXOFS_DBGMSG("page 0x%lx offset 0x%lx\n", page->index, offset);
WARN_ON(1);
-
- block_invalidatepage(page, offset);
}
const struct address_space_operations exofs_aops = {