From ee670f0af35871edb492db5ba406cef36d1b7c21 Mon Sep 17 00:00:00 2001 From: Josef Bacik Date: Thu, 31 May 2012 15:54:30 -0400 Subject: [PATCH] Btrfs: fix btrfs_destroy_marked_extents So we're forcing the eb's to have their ref count set to 1 so invalidatepage works but this breaks lots of things, for example root nodes, and is just plain wrong, we don't need to just evict all of this stuff. Also drop the invalidatepage altogether and add a page_cache_release(). With this patch we no longer hang when trying to access the root nodes after an aborted transaction and we no longer leak memory. Thanks, Signed-off-by: Josef Bacik --- fs/btrfs/disk-io.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 19b4db70dcb1..5a3bf323e2bd 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -3524,11 +3524,9 @@ static int btrfs_destroy_marked_extents(struct btrfs_root *root, &(&BTRFS_I(page->mapping->host)->io_tree)->buffer, offset >> PAGE_CACHE_SHIFT); spin_unlock(&dirty_pages->buffer_lock); - if (eb) { + if (eb) ret = test_and_clear_bit(EXTENT_BUFFER_DIRTY, &eb->bflags); - atomic_set(&eb->refs, 1); - } if (PageWriteback(page)) end_page_writeback(page); @@ -3542,8 +3540,8 @@ static int btrfs_destroy_marked_extents(struct btrfs_root *root, spin_unlock_irq(&page->mapping->tree_lock); } - page->mapping->a_ops->invalidatepage(page, 0); unlock_page(page); + page_cache_release(page); } } -- 2.39.5