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| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-11-28 11:49:56 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-11-28 11:49:56 +0000 |
| commit | 9ee4be4156b1a507f199e750ba2c13ffb6ea9b42 (patch) | |
| tree | c92cb39ad1f0be559390c2a995d9aad2b0300b14 /fs/btrfs/transaction.c | |
| parent | 005d610f2abc550172726b997f5cfe683769cc1c (diff) | |
| parent | d4d6373c1109b11c8118340be97ae31b8f94d66a (diff) | |
Merge remote-tracking branch 'regulator/for-linus' into regulator-next
Diffstat (limited to 'fs/btrfs/transaction.c')
| -rw-r--r-- | fs/btrfs/transaction.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 6a0574e923b..81376d94cd3 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); @@ -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; |