diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 8f93e066bf8b0422ae3eac557165550912d60ec5..35e9a7af10a509dc427a2bd32c9fe8b07f8328cb 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -354,6 +354,7 @@ struct btrfs_fs_info { spinlock_t new_trans_lock; u64 delalloc_bytes; u64 last_alloc; + u64 last_data_alloc; }; /* * in ram representation of the tree. extent_root is used for all allocations diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index ad72e2192015dd5003897f1c7a6bed706300f6d4..dda8ad6c0077899e7f41d76c0f3c0df5cbe10256 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -688,6 +688,7 @@ struct btrfs_root *open_ctree(struct super_block *sb) fs_info->closing = 0; fs_info->total_pinned = 0; fs_info->last_alloc = 0; + fs_info->last_data_alloc = 0; #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,18) INIT_WORK(&fs_info->trans_work, btrfs_transaction_cleaner, fs_info); diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 90718f77bbc07cfa78452531e05b0226a3d42828..fa54ea5900781ff1cfc13d28205663cae743d57e 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -1410,6 +1410,7 @@ static int noinline find_free_extent(struct btrfs_trans_handle *trans, int ret; int slot = 0; u64 last_byte = 0; + u64 *last_ptr = NULL; u64 orig_search_start = search_start; int start_found; struct extent_buffer *l; @@ -1433,14 +1434,17 @@ static int noinline find_free_extent(struct btrfs_trans_handle *trans, /* for SSD, cluster allocations together as much as possible */ if (btrfs_test_opt(root, SSD)) { - if (!data) { - if (root->fs_info->last_alloc) - hint_byte = root->fs_info->last_alloc; - else { - hint_byte = hint_byte & - ~((u64)BTRFS_BLOCK_GROUP_SIZE - 1); - empty_size += 16 * 1024 * 1024; - } + if (data) + last_ptr = &root->fs_info->last_data_alloc; + else + last_ptr = &root->fs_info->last_alloc; + if (*last_ptr) { + hint_byte = *last_ptr; + } + else { + hint_byte = hint_byte & + ~((u64)BTRFS_BLOCK_GROUP_SIZE - 1); + empty_size += 16 * 1024 * 1024; } } @@ -1470,8 +1474,8 @@ static int noinline find_free_extent(struct btrfs_trans_handle *trans, search_start = find_search_start(root, &block_group, search_start, total_needed, data); - if (!data && btrfs_test_opt(root, SSD) && info->last_alloc && - search_start != info->last_alloc) { + if (btrfs_test_opt(root, SSD) && *last_ptr && + search_start != *last_ptr) { info->last_alloc = 0; if (!empty_size) { empty_size += 16 * 1024 * 1024; @@ -1609,6 +1613,8 @@ static int noinline find_free_extent(struct btrfs_trans_handle *trans, } ins->offset = num_bytes; btrfs_free_path(path); + if (btrfs_test_opt(root, SSD)) + *last_ptr = ins->objectid + ins->offset; return 0; new_group: @@ -1636,8 +1642,6 @@ static int noinline find_free_extent(struct btrfs_trans_handle *trans, error: btrfs_release_path(root, path); btrfs_free_path(path); - if (btrfs_test_opt(root, SSD) && !ret && !data) - info->last_alloc = ins->objectid + ins->offset; return ret; } /* diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index b4a1bc62a784f04dadb609969596cbda40e15d0b..3f64d0c7ddb901cb886305c74adde4d8fad66ab2 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -58,6 +58,7 @@ static int join_transaction(struct btrfs_root *root) root->fs_info->generation++; root->fs_info->running_transaction = cur_trans; root->fs_info->last_alloc = 0; + root->fs_info->last_data_alloc = 0; cur_trans->num_writers = 1; cur_trans->num_joined = 0; cur_trans->transid = root->fs_info->generation;