diff options
Diffstat (limited to 'fs/btrfs/disk-io.c')
-rw-r--r-- | fs/btrfs/disk-io.c | 60 |
1 files changed, 36 insertions, 24 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 8d9457b5aef5..25ce07908ee3 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -9,6 +9,7 @@ #include "radix-tree.h" #include "ctree.h" #include "disk-io.h" +#include "transaction.h" static int allocated_blocks = 0; int cache_max = 10000; @@ -107,7 +108,8 @@ struct btrfs_buffer *read_tree_block(struct btrfs_root *root, u64 blocknr) return buf; } -int dirty_tree_block(struct btrfs_root *root, struct btrfs_buffer *buf) +int dirty_tree_block(struct btrfs_trans_handle *trans, struct btrfs_root *root, + struct btrfs_buffer *buf) { if (!list_empty(&buf->dirty)) return 0; @@ -116,7 +118,8 @@ int dirty_tree_block(struct btrfs_root *root, struct btrfs_buffer *buf) return 0; } -int clean_tree_block(struct btrfs_root *root, struct btrfs_buffer *buf) +int clean_tree_block(struct btrfs_trans_handle *trans, struct btrfs_root *root, + struct btrfs_buffer *buf) { if (!list_empty(&buf->dirty)) { list_del_init(&buf->dirty); @@ -125,7 +128,8 @@ int clean_tree_block(struct btrfs_root *root, struct btrfs_buffer *buf) return 0; } -int write_tree_block(struct btrfs_root *root, struct btrfs_buffer *buf) +int write_tree_block(struct btrfs_trans_handle *trans, struct btrfs_root *root, + struct btrfs_buffer *buf) { u64 blocknr = buf->blocknr; loff_t offset = blocknr * root->blocksize; @@ -139,7 +143,8 @@ int write_tree_block(struct btrfs_root *root, struct btrfs_buffer *buf) return 0; } -static int __commit_transaction(struct btrfs_root *root) +static int __commit_transaction(struct btrfs_trans_handle *trans, struct + btrfs_root *root) { struct btrfs_buffer *b; int ret = 0; @@ -147,7 +152,7 @@ static int __commit_transaction(struct btrfs_root *root) while(!list_empty(&root->trans)) { b = list_entry(root->trans.next, struct btrfs_buffer, dirty); list_del_init(&b->dirty); - wret = write_tree_block(root, b); + wret = write_tree_block(trans, root, b); if (wret) ret = wret; btrfs_block_release(root, b); @@ -155,8 +160,9 @@ static int __commit_transaction(struct btrfs_root *root) return ret; } -static int commit_extent_and_tree_roots(struct btrfs_root *tree_root, - struct btrfs_root *extent_root) +static int commit_extent_and_tree_roots(struct btrfs_trans_handle *trans, + struct btrfs_root *tree_root, struct + btrfs_root *extent_root) { int ret; u64 old_extent_block; @@ -167,24 +173,24 @@ static int commit_extent_and_tree_roots(struct btrfs_root *tree_root, break; btrfs_set_root_blocknr(&extent_root->root_item, extent_root->node->blocknr); - ret = btrfs_update_root(tree_root, + ret = btrfs_update_root(trans, tree_root, &extent_root->root_key, &extent_root->root_item); BUG_ON(ret); } - __commit_transaction(extent_root); - __commit_transaction(tree_root); + __commit_transaction(trans, extent_root); + __commit_transaction(trans, tree_root); return 0; } -int btrfs_commit_transaction(struct btrfs_root *root, - struct btrfs_super_block *s) +int btrfs_commit_transaction(struct btrfs_trans_handle *trans, struct + btrfs_root *root, struct btrfs_super_block *s) { int ret = 0; struct btrfs_buffer *snap = root->commit_root; struct btrfs_key snap_key; - ret = __commit_transaction(root); + ret = __commit_transaction(trans, root); BUG_ON(ret); if (root->commit_root == root->node) @@ -194,23 +200,24 @@ int btrfs_commit_transaction(struct btrfs_root *root, root->root_key.offset++; btrfs_set_root_blocknr(&root->root_item, root->node->blocknr); - ret = btrfs_insert_root(root->tree_root, &root->root_key, + ret = btrfs_insert_root(trans, root->tree_root, &root->root_key, &root->root_item); BUG_ON(ret); - ret = commit_extent_and_tree_roots(root->tree_root, root->extent_root); + ret = commit_extent_and_tree_roots(trans, root->tree_root, + root->extent_root); BUG_ON(ret); - write_ctree_super(root, s); - btrfs_finish_extent_commit(root->extent_root); - btrfs_finish_extent_commit(root->tree_root); + write_ctree_super(trans, root, s); + btrfs_finish_extent_commit(trans, root->extent_root); + btrfs_finish_extent_commit(trans, root->tree_root); root->commit_root = root->node; root->node->count++; - ret = btrfs_drop_snapshot(root, snap); + ret = btrfs_drop_snapshot(trans, root, snap); BUG_ON(ret); - ret = btrfs_del_root(root->tree_root, &snap_key); + ret = btrfs_del_root(trans, root->tree_root, &snap_key); BUG_ON(ret); return ret; @@ -312,7 +319,8 @@ struct btrfs_root *open_ctree(char *filename, struct btrfs_super_block *super) return root; } -int write_ctree_super(struct btrfs_root *root, struct btrfs_super_block *s) +int write_ctree_super(struct btrfs_trans_handle *trans, struct btrfs_root + *root, struct btrfs_super_block *s) { int ret; btrfs_set_super_root(s, root->tree_root->node->blocknr); @@ -338,10 +346,14 @@ static int drop_cache(struct btrfs_root *root) int close_ctree(struct btrfs_root *root, struct btrfs_super_block *s) { int ret; - btrfs_commit_transaction(root, s); - ret = commit_extent_and_tree_roots(root->tree_root, root->extent_root); + struct btrfs_trans_handle *trans; + + trans = root->running_transaction; + btrfs_commit_transaction(trans, root, s); + ret = commit_extent_and_tree_roots(trans, root->tree_root, + root->extent_root); BUG_ON(ret); - write_ctree_super(root, s); + write_ctree_super(trans, root, s); drop_cache(root->extent_root); drop_cache(root->tree_root); drop_cache(root); |