diff options
| author | Chris Mason <chris.mason@oracle.com> | 2008-01-08 15:46:30 -0500 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 11:03:59 -0400 |
| commit | e2008b61401ecb467a8ce1788fcd2116ae1cfbc1 (patch) | |
| tree | 8f13935108abaca29c894ca1f9309c9813c9e194 /fs/btrfs/transaction.c | |
| parent | 3063d29f2a4d4a4e9fa1ec77c124514f287c6da7 (diff) | |
| download | lwn-e2008b61401ecb467a8ce1788fcd2116ae1cfbc1.tar.gz lwn-e2008b61401ecb467a8ce1788fcd2116ae1cfbc1.zip | |
Btrfs: Add some simple throttling to wait for data=ordered and snapshot deletion
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/transaction.c')
| -rw-r--r-- | fs/btrfs/transaction.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index dc9865323e38..614903f5c884 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -424,6 +424,7 @@ static int drop_dirty_roots(struct btrfs_root *tree_root, num_bytes = btrfs_root_used(&dirty->root->root_item); root = dirty->latest_root; + root->fs_info->throttles++; while(1) { trans = btrfs_start_transaction(tree_root, 1); @@ -447,6 +448,7 @@ static int drop_dirty_roots(struct btrfs_root *tree_root, mutex_lock(&tree_root->fs_info->fs_mutex); } BUG_ON(ret); + root->fs_info->throttles--; num_bytes -= btrfs_root_used(&dirty->root->root_item); bytes_used = btrfs_root_used(&root->root_item); @@ -484,6 +486,7 @@ int btrfs_write_ordered_inodes(struct btrfs_trans_handle *trans, u64 objectid = 0; int ret; + root->fs_info->throttles++; while(1) { ret = btrfs_find_first_ordered_inode( &cur_trans->ordered_inode_tree, @@ -523,6 +526,7 @@ int btrfs_write_ordered_inodes(struct btrfs_trans_handle *trans, mutex_lock(&root->fs_info->fs_mutex); mutex_lock(&root->fs_info->trans_mutex); } + root->fs_info->throttles--; return 0; } |