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| author | Jan Schmidt <list.btrfs@jan-o-sch.net> | 2012-05-31 15:02:32 +0200 |
|---|---|---|
| committer | Jan Schmidt <list.btrfs@jan-o-sch.net> | 2012-05-31 19:56:19 +0200 |
| commit | f395694c2cd76cb1882fa82dd37e761598367fe9 (patch) | |
| tree | 08e0ef4499046d1400d86b86c2f61a2a52a66cf6 | |
| parent | e9b7fd4d8b7c915cff353ca085b83bd19737396b (diff) | |
| download | linux-f395694c2cd76cb1882fa82dd37e761598367fe9.tar.bz2 | |
Btrfs: fix tree mod log del_ptr
Logging for del_ptr when we're not deleting the last pointer was wrong. This
fixes both, duplicate log entries and log sequence.
Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
| -rw-r--r-- | fs/btrfs/ctree.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index c7c48489b963..63147c1315a7 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -540,9 +540,8 @@ tree_mod_log_insert_move(struct btrfs_fs_info *fs_info, int ret; int i; - ret = tree_mod_alloc(fs_info, flags, &tm); - if (ret <= 0) - return ret; + if (tree_mod_dont_log(fs_info, eb)) + return 0; for (i = 0; i + dst_slot < src_slot && i < nr_items; i++) { ret = tree_mod_log_insert_key(fs_info, eb, i + dst_slot, @@ -550,6 +549,10 @@ tree_mod_log_insert_move(struct btrfs_fs_info *fs_info, BUG_ON(ret < 0); } + ret = tree_mod_alloc(fs_info, flags, &tm); + if (ret <= 0) + return ret; + tm->index = eb->start >> PAGE_CACHE_SHIFT; tm->slot = src_slot; tm->move.dst_slot = dst_slot; @@ -4548,9 +4551,7 @@ static void del_ptr(struct btrfs_trans_handle *trans, struct btrfs_root *root, btrfs_node_key_ptr_offset(slot + 1), sizeof(struct btrfs_key_ptr) * (nritems - slot - 1)); - } - - if (tree_mod_log && level) { + } else if (tree_mod_log && level) { ret = tree_mod_log_insert_key(root->fs_info, parent, slot, MOD_LOG_KEY_REMOVE); BUG_ON(ret < 0); |