Btrfs: delay commits during fsync to allow more writers

Signed-off-by: Chris Mason <chris.mason@oracle.com>

diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h
index 6bce46b..f446f16 100644 (file)
--- a/fs/btrfs/btrfs_inode.h
+++ b/fs/btrfs/btrfs_inode.h
@@ -25,6 +25,11 @@ struct btrfs_inode {
        struct btrfs_block_group_cache *block_group;
        struct btrfs_key location;
        struct inode vfs_inode;
+
+       /*
+        * transid of the trans_handle that last modified this inode
+        */
+       u64 last_trans;
 };
 static inline struct btrfs_inode *BTRFS_I(struct inode *inode)
 {

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index d3cd564..c7f5161 100644 (file)
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -301,6 +301,7 @@ struct btrfs_fs_info {
        struct radix_tree_root extent_map_radix;
        struct radix_tree_root extent_ins_radix;
        u64 generation;
+       u64 last_trans_committed;
        struct btrfs_transaction *running_transaction;
        struct btrfs_super_block *disk_super;
        struct btrfs_super_block super_copy;

diff --cc fs/btrfs/disk-io.c
Simple merge

diff --cc fs/btrfs/file.c
Simple merge

diff --cc fs/btrfs/inode.c
Simple merge

diff --cc fs/btrfs/transaction.c
Simple merge

diff --cc fs/btrfs/transaction.h
Simple merge