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| author | Dave Airlie <airlied@redhat.com> | 2011-12-20 15:43:53 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-12-20 15:43:53 +0100 |
| commit | 1fbe6f625f69e48c4001051dc1431afc704acfaa (patch) | |
| tree | 826b741201a2e09a627ed350c6ff36935f5cff79 /fs/btrfs/transaction.c | |
| parent | gma500: Final enables for Oaktrail (diff) | |
| parent | Linux 3.2-rc6 (diff) | |
| download | linux-1fbe6f625f69e48c4001051dc1431afc704acfaa.tar.xz linux-1fbe6f625f69e48c4001051dc1431afc704acfaa.zip | |
Merge tag 'v3.2-rc6' of /home/airlied/devel/kernel/linux-2.6 into drm-core-next
Merge in the upstream tree to bring in the mainline fixes.
Conflicts:
drivers/gpu/drm/exynos/exynos_drm_fbdev.c
drivers/gpu/drm/nouveau/nouveau_sgdma.c
Diffstat (limited to 'fs/btrfs/transaction.c')
| -rw-r--r-- | fs/btrfs/transaction.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 960835eaf4da..81376d94cd3c 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -785,6 +785,10 @@ static noinline int commit_fs_roots(struct btrfs_trans_handle *trans, btrfs_save_ino_cache(root, trans); + /* see comments in should_cow_block() */ + root->force_cow = 0; + smp_wmb(); + if (root->commit_root != root->node) { mutex_lock(&root->fs_commit_mutex); switch_commit_root(root); @@ -882,8 +886,8 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans, btrfs_reloc_pre_snapshot(trans, pending, &to_reserve); if (to_reserve > 0) { - ret = btrfs_block_rsv_add(root, &pending->block_rsv, - to_reserve); + ret = btrfs_block_rsv_add_noflush(root, &pending->block_rsv, + to_reserve); if (ret) { pending->error = ret; goto fail; @@ -947,6 +951,10 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans, btrfs_tree_unlock(old); free_extent_buffer(old); + /* see comments in should_cow_block() */ + root->force_cow = 1; + smp_wmb(); + btrfs_set_root_node(new_root_item, tmp); /* record when the snapshot was created in key.offset */ key.offset = trans->transid; |