diff options
Diffstat (limited to 'fs/btrfs/extent-tree.c')
| -rw-r--r-- | fs/btrfs/extent-tree.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 0f27f7b4880..2846cebc942 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -3111,9 +3111,10 @@ static int maybe_allocate_chunk(struct btrfs_trans_handle *trans, * shrink metadata reservation for delalloc */ static int shrink_delalloc(struct btrfs_trans_handle *trans, - struct btrfs_root *root, u64 to_reclaim) + struct btrfs_root *root, u64 to_reclaim, int sync) { struct btrfs_block_rsv *block_rsv; + struct btrfs_space_info *space_info; u64 reserved; u64 max_reclaim; u64 reclaimed = 0; @@ -3122,9 +3123,10 @@ static int shrink_delalloc(struct btrfs_trans_handle *trans, int ret; block_rsv = &root->fs_info->delalloc_block_rsv; - spin_lock(&block_rsv->lock); - reserved = block_rsv->reserved; - spin_unlock(&block_rsv->lock); + space_info = block_rsv->space_info; + spin_lock(&space_info->lock); + reserved = space_info->bytes_reserved; + spin_unlock(&space_info->lock); if (reserved == 0) return 0; @@ -3132,7 +3134,7 @@ static int shrink_delalloc(struct btrfs_trans_handle *trans, max_reclaim = min(reserved, to_reclaim); while (1) { - ret = btrfs_start_one_delalloc_inode(root, trans ? 1 : 0); + ret = btrfs_start_one_delalloc_inode(root, trans ? 1 : 0, sync); if (!ret) { if (no_reclaim > 2) break; @@ -3147,11 +3149,11 @@ static int shrink_delalloc(struct btrfs_trans_handle *trans, pause = 1; } - spin_lock(&block_rsv->lock); - if (reserved > block_rsv->reserved) - reclaimed = reserved - block_rsv->reserved; - reserved = block_rsv->reserved; - spin_unlock(&block_rsv->lock); + spin_lock(&space_info->lock); + if (reserved > space_info->bytes_reserved) + reclaimed += reserved - space_info->bytes_reserved; + reserved = space_info->bytes_reserved; + spin_unlock(&space_info->lock); if (reserved == 0 || reclaimed >= max_reclaim) break; @@ -3180,7 +3182,7 @@ static int should_retry_reserve(struct btrfs_trans_handle *trans, if (trans && trans->transaction->in_commit) return -ENOSPC; - ret = shrink_delalloc(trans, root, num_bytes); + ret = shrink_delalloc(trans, root, num_bytes, 0); if (ret) return ret; @@ -3729,7 +3731,7 @@ again: block_rsv_add_bytes(block_rsv, to_reserve, 1); if (block_rsv->size > 512 * 1024 * 1024) - shrink_delalloc(NULL, root, to_reserve); + shrink_delalloc(NULL, root, to_reserve, 0); return 0; } |