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| author | OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> | 2006-01-08 01:02:12 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-08 20:13:47 -0800 |
| commit | 268fc16e343b4f8e249468747db2e658da46a814 (patch) | |
| tree | 871a1b1ad8250d1f5b0e4585fe32d00f90443bd3 | |
| parent | e5174baaea7585760f02eef23b225847d209a8db (diff) | |
| download | op-kernel-dev-268fc16e343b4f8e249468747db2e658da46a814.zip op-kernel-dev-268fc16e343b4f8e249468747db2e658da46a814.tar.gz | |
[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: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | include/linux/writeback.h | 4 | ||||
| -rw-r--r-- | mm/filemap.c | 8 |
2 files changed, 7 insertions, 5 deletions
diff --git a/include/linux/writeback.h b/include/linux/writeback.h index b096159..beaef5c 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -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 diff --git a/mm/filemap.c b/mm/filemap.c index 4ef24a3..8fdf365 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -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 |
