diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c
index 06610cf94d579a8da72a5d6af53b098ec43e482d..a1f801c14fbc206bacf02a12040c4b3c1515937c 100644
--- a/fs/cramfs/inode.c
+++ b/fs/cramfs/inode.c
@@ -195,8 +195,7 @@ static void *cramfs_read(struct super_block *sb, unsigned int offset, unsigned i
struct page *page = NULL;
if (blocknr + i < devsize) {
- page = read_mapping_page_async(mapping, blocknr + i,
- NULL);
+ page = read_mapping_page(mapping, blocknr + i, NULL);
/* synchronous error? */
if (IS_ERR(page))
page = NULL;
diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c
index a012e16a8bb30b0dffe7516e1c0d1c8cfb74cdb2..f73991522672a665e92b13ac4433e6ce35935764 100644
--- a/fs/jffs2/fs.c
+++ b/fs/jffs2/fs.c
@@ -687,7 +687,7 @@ unsigned char *jffs2_gc_fetch_page(struct jffs2_sb_info *c,
struct inode *inode = OFNI_EDONI_2SFFJ(f);
struct page *pg;
- pg = read_cache_page_async(inode->i_mapping, offset >> PAGE_CACHE_SHIFT,
+ pg = read_cache_page(inode->i_mapping, offset >> PAGE_CACHE_SHIFT,
(void *)jffs2_do_readpage_unlock, inode);
if (IS_ERR(pg))
return (void *)pg;
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index ff43253f568a9395dc7c852946460e43917c8ac3..45598f1e9aa331225eee538ed3c5c54277c1f01a 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -289,8 +289,6 @@ static inline struct page *grab_cache_page(struct address_space *mapping,
extern struct page * grab_cache_page_nowait(struct address_space *mapping,
pgoff_t index);
-extern struct page * read_cache_page_async(struct address_space *mapping,
- pgoff_t index, filler_t *filler, void *data);
extern struct page * read_cache_page(struct address_space *mapping,
pgoff_t index, filler_t *filler, void *data);
extern struct page * read_cache_page_gfp(struct address_space *mapping,
@@ -298,14 +296,6 @@ extern struct page * read_cache_page_gfp(struct address_space *mapping,
extern int read_cache_pages(struct address_space *mapping,
struct list_head *pages, filler_t *filler, void *data);
-static inline struct page *read_mapping_page_async(
- struct address_space *mapping,
- pgoff_t index, void *data)
-{
- filler_t *filler = (filler_t *)mapping->a_ops->readpage;
- return read_cache_page_async(mapping, index, filler, data);
-}
-
static inline struct page *read_mapping_page(struct address_space *mapping,
pgoff_t index, void *data)
{
diff --git a/mm/filemap.c b/mm/filemap.c
index d6df3bacb0fbe38bbacb6a81b3399391e4455ba3..21781f1fe52b676e2b1f7dba5b2477f898503b1f 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -2133,6 +2133,18 @@ int generic_file_readonly_mmap(struct file * file, struct vm_area_struct * vma)
EXPORT_SYMBOL(generic_file_mmap);
EXPORT_SYMBOL(generic_file_readonly_mmap);
+static struct page *wait_on_page_read(struct page *page)
+{
+ if (!IS_ERR(page)) {
+ wait_on_page_locked(page);
+ if (!PageUptodate(page)) {
+ page_cache_release(page);
+ page = ERR_PTR(-EIO);
+ }
+ }
+ return page;
+}
+
static struct page *__read_cache_page(struct address_space *mapping,
pgoff_t index,
int (*filler)(void *, struct page *),
@@ -2159,6 +2171,8 @@ static struct page *__read_cache_page(struct address_space *mapping,
if (err < 0) {
page_cache_release(page);
page = ERR_PTR(err);
+ } else {
+ page = wait_on_page_read(page);
}
}
return page;
@@ -2195,6 +2209,10 @@ static struct page *do_read_cache_page(struct address_space *mapping,
if (err < 0) {
page_cache_release(page);
return ERR_PTR(err);
+ } else {
+ page = wait_on_page_read(page);
+ if (IS_ERR(page))
+ return page;
}
out:
mark_page_accessed(page);
@@ -2202,40 +2220,25 @@ static struct page *do_read_cache_page(struct address_space *mapping,
}
/**
- * read_cache_page_async - read into page cache, fill it if needed
+ * read_cache_page - read into page cache, fill it if needed
* @mapping: the page's address_space
* @index: the page index
* @filler: function to perform the read
* @data: first arg to filler(data, page) function, often left as NULL
*
- * Same as read_cache_page, but don't wait for page to become unlocked
- * after submitting it to the filler.
- *
* Read into the page cache. If a page already exists, and PageUptodate() is
- * not set, try to fill the page but don't wait for it to become unlocked.
+ * not set, try to fill the page and wait for it to become unlocked.
*
* If the page does not get brought uptodate, return -EIO.
*/
-struct page *read_cache_page_async(struct address_space *mapping,
+struct page *read_cache_page(struct address_space *mapping,
pgoff_t index,
int (*filler)(void *, struct page *),
void *data)
{
return do_read_cache_page(mapping, index, filler, data, mapping_gfp_mask(mapping));
}
-EXPORT_SYMBOL(read_cache_page_async);
-
-static struct page *wait_on_page_read(struct page *page)
-{
- if (!IS_ERR(page)) {
- wait_on_page_locked(page);
- if (!PageUptodate(page)) {
- page_cache_release(page);
- page = ERR_PTR(-EIO);
- }
- }
- return page;
-}
+EXPORT_SYMBOL(read_cache_page);
/**
* read_cache_page_gfp - read into page cache, using specified page allocation flags.
@@ -2254,31 +2257,10 @@ struct page *read_cache_page_gfp(struct address_space *mapping,
{
filler_t *filler = (filler_t *)mapping->a_ops->readpage;
- return wait_on_page_read(do_read_cache_page(mapping, index, filler, NULL, gfp));
+ return do_read_cache_page(mapping, index, filler, NULL, gfp);
}
EXPORT_SYMBOL(read_cache_page_gfp);
-/**
- * read_cache_page - read into page cache, fill it if needed
- * @mapping: the page's address_space
- * @index: the page index
- * @filler: function to perform the read
- * @data: first arg to filler(data, page) function, often left as NULL
- *
- * Read into the page cache. If a page already exists, and PageUptodate() is
- * not set, try to fill the page then wait for it to become unlocked.
- *
- * If the page does not get brought uptodate, return -EIO.
- */
-struct page *read_cache_page(struct address_space *mapping,
- pgoff_t index,
- int (*filler)(void *, struct page *),
- void *data)
-{
- return wait_on_page_read(read_cache_page_async(mapping, index, filler, data));
-}
-EXPORT_SYMBOL(read_cache_page);
-
static size_t __iovec_copy_from_user_inatomic(char *vaddr,
const struct iovec *iov, size_t base, size_t bytes)
{