diff options
| -rw-r--r-- | fs/btrfs/extent-tree.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 875ba519a131..7b227a65078c 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -3857,7 +3857,9 @@ int btrfs_check_data_free_space(struct inode *inode, u64 bytes) struct btrfs_root *root = BTRFS_I(inode)->root; struct btrfs_fs_info *fs_info = root->fs_info; u64 used; - int ret = 0, committed = 0; + int ret = 0; + int committed = 0; + int have_pinned_space = 1; /* make sure bytes are sectorsize aligned */ bytes = ALIGN(bytes, root->sectorsize); @@ -3925,11 +3927,12 @@ alloc: /* * If we don't have enough pinned space to deal with this - * allocation don't bother committing the transaction. + * allocation, and no removed chunk in current transaction, + * don't bother committing the transaction. */ if (percpu_counter_compare(&data_sinfo->total_bytes_pinned, bytes) < 0) - committed = 1; + have_pinned_space = 0; spin_unlock(&data_sinfo->lock); /* commit the current transaction and try again */ @@ -3941,10 +3944,15 @@ commit_trans: trans = btrfs_join_transaction(root); if (IS_ERR(trans)) return PTR_ERR(trans); - ret = btrfs_commit_transaction(trans, root); - if (ret) - return ret; - goto again; + if (have_pinned_space || + trans->transaction->have_free_bgs) { + ret = btrfs_commit_transaction(trans, root); + if (ret) + return ret; + goto again; + } else { + btrfs_end_transaction(trans, root); + } } trace_btrfs_space_reservation(root->fs_info, |