We need to clean a VACANCY em(if we have) when we fail to start a transaction. Signed-off-by: Liu Bo <liubo2009@xxxxxxxxxxxxxx> --- fs/btrfs/inode.c | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-) diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index bacf441..2b2f0b6 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -3406,9 +3406,6 @@ int btrfs_cont_expand(struct inode *inode, loff_t oldsize, loff_t size) break; } - btrfs_drop_extent_cache(inode, hole_start, - last_byte - 1, 0); - btrfs_update_inode(trans, root, inode); btrfs_end_transaction(trans, root); } @@ -3419,6 +3416,9 @@ int btrfs_cont_expand(struct inode *inode, loff_t oldsize, loff_t size) break; } + if (em && test_bit(EXTENT_FLAG_VACANCY, &em->flags)) + btrfs_drop_extent_cache(inode, hole_start, last_byte - 1, 0); + free_extent_map(em); unlock_extent_cached(io_tree, hole_start, block_end - 1, &cached_state, GFP_NOFS); -- 1.6.5.2 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
