Btrfs: Make sure page mapping dirty tag is properly cleared
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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3e9fd94ff0
commit
7073c8e852
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@ -1825,12 +1825,18 @@ static int __extent_writepage(struct page *page, struct writeback_control *wbc,
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if (ret)
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if (ret)
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SetPageError(page);
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SetPageError(page);
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else {
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else {
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unsigned long nr = end_index + 1;
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unsigned long max_nr = end_index + 1;
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set_range_writeback(tree, cur, cur + iosize - 1);
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set_range_writeback(tree, cur, cur + iosize - 1);
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if (!PageWriteback(page)) {
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printk("warning page %lu not writeback, "
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"cur %llu end %llu\n", page->index,
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(unsigned long long)cur,
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(unsigned long long)end);
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}
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ret = submit_extent_page(WRITE, tree, page, sector,
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ret = submit_extent_page(WRITE, tree, page, sector,
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iosize, page_offset, bdev,
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iosize, page_offset, bdev,
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&epd->bio, nr,
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&epd->bio, max_nr,
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end_bio_extent_writepage);
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end_bio_extent_writepage);
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if (ret)
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if (ret)
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SetPageError(page);
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SetPageError(page);
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@ -1840,6 +1846,11 @@ static int __extent_writepage(struct page *page, struct writeback_control *wbc,
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nr++;
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nr++;
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}
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}
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done:
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done:
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if (nr == 0) {
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/* make sure the mapping tag for page dirty gets cleared */
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set_page_writeback(page);
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end_page_writeback(page);
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}
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unlock_extent(tree, start, page_end, GFP_NOFS);
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unlock_extent(tree, start, page_end, GFP_NOFS);
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unlock_page(page);
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unlock_page(page);
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return 0;
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return 0;
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@ -2408,6 +2419,13 @@ int clear_extent_buffer_dirty(struct extent_map_tree *tree,
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}
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}
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}
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}
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clear_page_dirty_for_io(page);
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clear_page_dirty_for_io(page);
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write_lock_irq(&page->mapping->tree_lock);
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if (!PageDirty(page)) {
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radix_tree_tag_clear(&page->mapping->page_tree,
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page_index(page),
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PAGECACHE_TAG_DIRTY);
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}
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write_unlock_irq(&page->mapping->tree_lock);
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unlock_page(page);
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unlock_page(page);
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}
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}
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return 0;
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return 0;
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