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authorDaniel Dressler <danieru.dressler@gmail.com>2014-11-21 11:15:07 +0300
committerDavid Sterba <dsterba@suse.cz>2015-02-16 20:48:43 +0300
commit01d58472a887cba61da7b4e6dc251b5170b57e2e (patch)
tree3585a783d9acea536c86905555868451431e5a62 /fs/btrfs/tree-log.c
parenta585e94895ed8ab2930bfd5186ffd20301b5c703 (diff)
downloadlinux-01d58472a887cba61da7b4e6dc251b5170b57e2e.tar.xz
Btrfs: disk-io: replace root args iff only fs_info used
This is the 3rd independent patch of a larger project to cleanup btrfs's internal usage of btrfs_root. Many functions take btrfs_root only to grab the fs_info struct. By requiring a root these functions cause programmer overhead. That these functions can accept any valid root is not obvious until inspection. This patch reduces the specificity of such functions to accept the fs_info directly. These patches can be applied independently and thus are not being submitted as a patch series. There should be about 26 patches by the project's completion. Each patch will cleanup between 1 and 34 functions apiece. Each patch covers a single file's functions. This patch affects the following function(s): 1) csum_tree_block 2) csum_dirty_buffer 3) check_tree_block_fsid 4) btrfs_find_tree_block 5) clean_tree_block Signed-off-by: Daniel Dressler <danieru.dressler@gmail.com> Signed-off-by: David Sterba <dsterba@suse.cz>
Diffstat (limited to 'fs/btrfs/tree-log.c')
-rw-r--r--fs/btrfs/tree-log.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index f96996a1b70c..4f59140c8c00 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -2230,7 +2230,8 @@ static noinline int walk_down_log_tree(struct btrfs_trans_handle *trans,
if (trans) {
btrfs_tree_lock(next);
btrfs_set_lock_blocking(next);
- clean_tree_block(trans, root, next);
+ clean_tree_block(trans, root->fs_info,
+ next);
btrfs_wait_tree_block_writeback(next);
btrfs_tree_unlock(next);
}
@@ -2308,7 +2309,8 @@ static noinline int walk_up_log_tree(struct btrfs_trans_handle *trans,
if (trans) {
btrfs_tree_lock(next);
btrfs_set_lock_blocking(next);
- clean_tree_block(trans, root, next);
+ clean_tree_block(trans, root->fs_info,
+ next);
btrfs_wait_tree_block_writeback(next);
btrfs_tree_unlock(next);
}
@@ -2384,7 +2386,7 @@ static int walk_log_tree(struct btrfs_trans_handle *trans,
if (trans) {
btrfs_tree_lock(next);
btrfs_set_lock_blocking(next);
- clean_tree_block(trans, log, next);
+ clean_tree_block(trans, log->fs_info, next);
btrfs_wait_tree_block_writeback(next);
btrfs_tree_unlock(next);
}