* already been ran (aka, ordered extent inserted) and all pages are still
* locked.
*/
-void extent_write_locked_range(struct inode *inode, u64 start, u64 end,
- struct writeback_control *wbc, bool pages_dirty)
+void extent_write_locked_range(struct inode *inode, struct page *locked_page,
+ u64 start, u64 end, struct writeback_control *wbc,
+ bool pages_dirty)
{
bool found_error = false;
int ret = 0;
page = find_get_page(mapping, cur >> PAGE_SHIFT);
ASSERT(PageLocked(page));
- if (pages_dirty) {
+ if (pages_dirty && page != locked_page) {
ASSERT(PageDirty(page));
clear_page_dirty_for_io(page);
}
int try_release_extent_buffer(struct page *page);
int btrfs_read_folio(struct file *file, struct folio *folio);
-void extent_write_locked_range(struct inode *inode, u64 start, u64 end,
- struct writeback_control *wbc, bool pages_dirty);
+void extent_write_locked_range(struct inode *inode, struct page *locked_page,
+ u64 start, u64 end, struct writeback_control *wbc,
+ bool pages_dirty);
int extent_writepages(struct address_space *mapping,
struct writeback_control *wbc);
int btree_write_cache_pages(struct address_space *mapping,
/* All pages will be unlocked, including @locked_page */
wbc_attach_fdatawrite_inode(&wbc, &inode->vfs_inode);
- extent_write_locked_range(&inode->vfs_inode, start, end, &wbc, false);
+ extent_write_locked_range(&inode->vfs_inode, NULL, start, end, &wbc,
+ false);
wbc_detach_inode(&wbc);
}
{
u64 done_offset = end;
int ret;
- bool locked_page_done = false;
while (start <= end) {
ret = cow_file_range(inode, locked_page, start, end, &done_offset,
if (ret)
return ret;
- if (!locked_page_done) {
- __set_page_dirty_nobuffers(locked_page);
- account_page_redirty(locked_page);
- }
- locked_page_done = true;
- extent_write_locked_range(&inode->vfs_inode, start, done_offset,
- wbc, true);
+ extent_write_locked_range(&inode->vfs_inode, locked_page, start,
+ done_offset, wbc, true);
start = done_offset + 1;
}