From d24ee97b96db46123f766041d2ec0ca81491bd31 Mon Sep 17 00:00:00 2001 From: David Sterba Date: Wed, 9 Nov 2016 17:44:25 +0100 Subject: [PATCH] btrfs: use new helpers to set uuids in eb Signed-off-by: David Sterba --- fs/btrfs/ctree.c | 29 +++++++++-------------------- fs/btrfs/disk-io.c | 10 +++------- fs/btrfs/ioctl.c | 8 +++----- fs/btrfs/volumes.c | 4 ++-- 4 files changed, 17 insertions(+), 34 deletions(-) diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index 173768767d1b..93bc38b98b3f 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -271,8 +271,7 @@ int btrfs_copy_root(struct btrfs_trans_handle *trans, else btrfs_set_header_owner(cow, new_root_objectid); - write_extent_buffer(cow, root->fs_info->fsid, btrfs_header_fsid(), - BTRFS_FSID_SIZE); + write_extent_buffer_fsid(cow, root->fs_info->fsid); WARN_ON(btrfs_header_generation(buf) > trans->transid); if (new_root_objectid == BTRFS_TREE_RELOC_OBJECTID) @@ -1141,8 +1140,7 @@ static noinline int __btrfs_cow_block(struct btrfs_trans_handle *trans, else btrfs_set_header_owner(cow, root->root_key.objectid); - write_extent_buffer(cow, root->fs_info->fsid, btrfs_header_fsid(), - BTRFS_FSID_SIZE); + write_extent_buffer_fsid(cow, root->fs_info->fsid); ret = update_ref_for_cow(trans, root, buf, cow, &last_ref); if (ret) { @@ -3358,11 +3356,8 @@ static noinline int insert_new_root(struct btrfs_trans_handle *trans, btrfs_set_header_backref_rev(c, BTRFS_MIXED_BACKREF_REV); btrfs_set_header_owner(c, root->root_key.objectid); - write_extent_buffer(c, root->fs_info->fsid, btrfs_header_fsid(), - BTRFS_FSID_SIZE); - - write_extent_buffer(c, root->fs_info->chunk_tree_uuid, - btrfs_header_chunk_tree_uuid(c), BTRFS_UUID_SIZE); + write_extent_buffer_fsid(c, root->fs_info->fsid); + write_extent_buffer_chunk_tree_uuid(c, root->fs_info->chunk_tree_uuid); btrfs_set_node_key(c, &lower_key, 0); btrfs_set_node_blockptr(c, 0, lower->start); @@ -3495,11 +3490,9 @@ static noinline int split_node(struct btrfs_trans_handle *trans, btrfs_set_header_generation(split, trans->transid); btrfs_set_header_backref_rev(split, BTRFS_MIXED_BACKREF_REV); btrfs_set_header_owner(split, root->root_key.objectid); - write_extent_buffer(split, root->fs_info->fsid, - btrfs_header_fsid(), BTRFS_FSID_SIZE); - write_extent_buffer(split, root->fs_info->chunk_tree_uuid, - btrfs_header_chunk_tree_uuid(split), - BTRFS_UUID_SIZE); + write_extent_buffer_fsid(split, root->fs_info->fsid); + write_extent_buffer_chunk_tree_uuid(split, + root->fs_info->chunk_tree_uuid); ret = tree_mod_log_eb_copy(root->fs_info, split, c, 0, mid, c_nritems - mid); @@ -4283,12 +4276,8 @@ again: btrfs_set_header_backref_rev(right, BTRFS_MIXED_BACKREF_REV); btrfs_set_header_owner(right, root->root_key.objectid); btrfs_set_header_level(right, 0); - write_extent_buffer(right, fs_info->fsid, - btrfs_header_fsid(), BTRFS_FSID_SIZE); - - write_extent_buffer(right, fs_info->chunk_tree_uuid, - btrfs_header_chunk_tree_uuid(right), - BTRFS_UUID_SIZE); + write_extent_buffer_fsid(right, fs_info->fsid); + write_extent_buffer_chunk_tree_uuid(right, fs_info->chunk_tree_uuid); if (split == 0) { if (mid <= slot) { diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 686d05acfdb7..21f8e597fe97 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -1419,11 +1419,8 @@ struct btrfs_root *btrfs_create_tree(struct btrfs_trans_handle *trans, btrfs_set_header_owner(leaf, objectid); root->node = leaf; - write_extent_buffer(leaf, fs_info->fsid, btrfs_header_fsid(), - BTRFS_FSID_SIZE); - write_extent_buffer(leaf, fs_info->chunk_tree_uuid, - btrfs_header_chunk_tree_uuid(leaf), - BTRFS_UUID_SIZE); + write_extent_buffer_fsid(leaf, fs_info->fsid); + write_extent_buffer_chunk_tree_uuid(leaf, fs_info->chunk_tree_uuid); btrfs_mark_buffer_dirty(leaf); root->commit_root = btrfs_root_node(root); @@ -1506,8 +1503,7 @@ static struct btrfs_root *alloc_log_tree(struct btrfs_trans_handle *trans, btrfs_set_header_owner(leaf, BTRFS_TREE_LOG_OBJECTID); root->node = leaf; - write_extent_buffer(root->node, root->fs_info->fsid, - btrfs_header_fsid(), BTRFS_FSID_SIZE); + write_extent_buffer_fsid(root->node, root->fs_info->fsid); btrfs_mark_buffer_dirty(root->node); btrfs_tree_unlock(root->node); return root; diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 8bb278e12db6..24f04d7cb872 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -507,11 +507,9 @@ static noinline int create_subvol(struct inode *dir, btrfs_set_header_backref_rev(leaf, BTRFS_MIXED_BACKREF_REV); btrfs_set_header_owner(leaf, objectid); - write_extent_buffer(leaf, root->fs_info->fsid, btrfs_header_fsid(), - BTRFS_FSID_SIZE); - write_extent_buffer(leaf, root->fs_info->chunk_tree_uuid, - btrfs_header_chunk_tree_uuid(leaf), - BTRFS_UUID_SIZE); + write_extent_buffer_fsid(leaf, root->fs_info->fsid); + write_extent_buffer_chunk_tree_uuid(leaf, + root->fs_info->chunk_tree_uuid); btrfs_mark_buffer_dirty(leaf); inode_item = &root_item->inode; diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 23df14c27cab..7eebf556feb7 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -1595,8 +1595,8 @@ static int btrfs_alloc_dev_extent(struct btrfs_trans_handle *trans, btrfs_set_dev_extent_chunk_objectid(leaf, extent, chunk_objectid); btrfs_set_dev_extent_chunk_offset(leaf, extent, chunk_offset); - write_extent_buffer(leaf, root->fs_info->chunk_tree_uuid, - btrfs_dev_extent_chunk_tree_uuid(extent), BTRFS_UUID_SIZE); + write_extent_buffer_chunk_tree_uuid(leaf, + root->fs_info->chunk_tree_uuid); btrfs_set_dev_extent_length(leaf, extent, num_bytes); btrfs_mark_buffer_dirty(leaf); -- 2.20.1