From 4a09675279674041862d2210635b0cc1f60be28e Mon Sep 17 00:00:00 2001 From: Chris Mason Date: Mon, 21 Jul 2008 10:29:44 -0400 Subject: Btrfs: Data ordered fixes * In btrfs_delete_inode, wait for ordered extents after calling truncate_inode_pages. This is much faster, and more correct * Properly clear our the PageChecked bit everywhere we redirty the page. * Change the writepage fixup handler to lock the page range and check to see if an ordered extent had been inserted since the improperly dirtied page was discovered * Wait for ordered extents outside the transaction. This isn't required for locking rules but does improve transaction latencies * Reduce contention on the alloc_mutex by dropping it while incrementing refs on a node/leaf and while dropping refs on a leaf. Signed-off-by: Chris Mason --- fs/btrfs/file.c | 1 + 1 file changed, 1 insertion(+) (limited to 'fs/btrfs/file.c') diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index eccdb9562ba8..591a30208acd 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -75,6 +75,7 @@ static void btrfs_drop_pages(struct page **pages, size_t num_pages) for (i = 0; i < num_pages; i++) { if (!pages[i]) break; + ClearPageChecked(pages[i]); unlock_page(pages[i]); mark_page_accessed(pages[i]); page_cache_release(pages[i]); -- cgit v1.2.2