Commit 268fc16e authored by OGAWA Hirofumi's avatar OGAWA Hirofumi Committed by Linus Torvalds
Browse files

[PATCH] export/change sync_page_range/_nolock()



This exports/changes the sync_page_range/_nolock().  The fatfs needs
sync_page_range/_nolock() for expanding truncate, and changes "size_t count"
to "loff_t count".
Signed-off-by: default avatarOGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent e5174baa
......@@ -103,7 +103,9 @@ void balance_dirty_pages_ratelimited(struct address_space *mapping);
int pdflush_operation(void (*fn)(unsigned long), unsigned long arg0);
int do_writepages(struct address_space *mapping, struct writeback_control *wbc);
int sync_page_range(struct inode *inode, struct address_space *mapping,
loff_t pos, size_t count);
loff_t pos, loff_t count);
int sync_page_range_nolock(struct inode *inode, struct address_space *mapping,
loff_t pos, loff_t count);
/* pdflush.c */
extern int nr_pdflush_threads; /* Global so it can be exported to sysctl
......
......@@ -280,7 +280,7 @@ static int wait_on_page_writeback_range(struct address_space *mapping,
* it is otherwise livelockable.
*/
int sync_page_range(struct inode *inode, struct address_space *mapping,
loff_t pos, size_t count)
loff_t pos, loff_t count)
{
pgoff_t start = pos >> PAGE_CACHE_SHIFT;
pgoff_t end = (pos + count - 1) >> PAGE_CACHE_SHIFT;
......@@ -305,9 +305,8 @@ EXPORT_SYMBOL(sync_page_range);
* as it forces O_SYNC writers to different parts of the same file
* to be serialised right until io completion.
*/
static int sync_page_range_nolock(struct inode *inode,
struct address_space *mapping,
loff_t pos, size_t count)
int sync_page_range_nolock(struct inode *inode, struct address_space *mapping,
loff_t pos, loff_t count)
{
pgoff_t start = pos >> PAGE_CACHE_SHIFT;
pgoff_t end = (pos + count - 1) >> PAGE_CACHE_SHIFT;
......@@ -322,6 +321,7 @@ static int sync_page_range_nolock(struct inode *inode,
ret = wait_on_page_writeback_range(mapping, start, end);
return ret;
}
EXPORT_SYMBOL(sync_page_range_nolock);
/**
* filemap_fdatawait - walk the list of under-writeback pages of the given
......
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