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authorChris Mason <chris.mason@oracle.com>2008-07-21 10:29:44 -0400
committerChris Mason <chris.mason@oracle.com>2008-09-25 11:04:05 -0400
commit4a09675279674041862d2210635b0cc1f60be28e (patch)
tree19e4736c062f87729dcdc1bd57f4919b3227ec32 /fs/btrfs/file.c
parente5a2217ef6ff088d08a27208929a6f9c635d672c (diff)
downloadop-kernel-dev-4a09675279674041862d2210635b0cc1f60be28e.zip
op-kernel-dev-4a09675279674041862d2210635b0cc1f60be28e.tar.gz
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 <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/file.c')
-rw-r--r--fs/btrfs/file.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index eccdb95..591a302 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]);
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