btrfs: clean up the left over logged_list usage

We no longer use this list we've passed around so remove it everywhere.
Also remove the extra checks for ordered/filemap errors as this is
handled higher up now that we're waiting on ordered_extents before
getting to the tree log code.

Signed-off-by: Josef Bacik <jbacik@fb.com>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 98cbb31ec5a840338b5f4913789507f964120cad..dce499071c86b62985515ec587063acf28152b3b 100644 (file)
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -4129,7 +4129,6 @@ static int log_one_extent(struct btrfs_trans_handle *trans,
                          struct btrfs_inode *inode, struct btrfs_root *root,
                          const struct extent_map *em,
                          struct btrfs_path *path,
-                         const struct list_head *logged_list,
                          struct btrfs_log_ctx *ctx)
 {
        struct btrfs_root *log = root->log_root;
@@ -4141,17 +4140,11 @@ static int log_one_extent(struct btrfs_trans_handle *trans,
        u64 block_len;
        int ret;
        int extent_inserted = 0;
-       bool ordered_io_err = false;
 
        ret = log_extent_csums(trans, inode, root, em);
        if (ret)
                return ret;
 
-       if (ordered_io_err) {
-               ctx->io_err = -EIO;
-               return ctx->io_err;
-       }
-
        btrfs_init_map_token(&token);
 
        ret = __btrfs_drop_extents(trans, log, &inode->vfs_inode, path, em->start,
@@ -4326,7 +4319,6 @@ static int btrfs_log_changed_extents(struct btrfs_trans_handle *trans,
                                     struct btrfs_root *root,
                                     struct btrfs_inode *inode,
                                     struct btrfs_path *path,
-                                    struct list_head *logged_list,
                                     struct btrfs_log_ctx *ctx,
                                     const u64 start,
                                     const u64 end)
@@ -4382,20 +4374,6 @@ static int btrfs_log_changed_extents(struct btrfs_trans_handle *trans,
        }
 
        list_sort(NULL, &extents, extent_cmp);
-       btrfs_get_logged_extents(inode, logged_list, logged_start, logged_end);
-       /*
-        * Some ordered extents started by fsync might have completed
-        * before we could collect them into the list logged_list, which
-        * means they're gone, not in our logged_list nor in the inode's
-        * ordered tree. We want the application/user space to know an
-        * error happened while attempting to persist file data so that
-        * it can take proper action. If such error happened, we leave
-        * without writing to the log tree and the fsync must report the
-        * file data write error and not commit the current transaction.
-        */
-       ret = filemap_check_errors(inode->vfs_inode.i_mapping);
-       if (ret)
-               ctx->io_err = ret;
 process:
        while (!list_empty(&extents)) {
                em = list_entry(extents.next, struct extent_map, list);
@@ -4414,8 +4392,7 @@ process:
 
                write_unlock(&tree->lock);
 
-               ret = log_one_extent(trans, inode, root, em, path, logged_list,
-                                    ctx);
+               ret = log_one_extent(trans, inode, root, em, path, ctx);
                write_lock(&tree->lock);
                clear_em_logging(tree, em);
                free_extent_map(em);
@@ -4800,7 +4777,6 @@ static int btrfs_log_inode(struct btrfs_trans_handle *trans,
        struct btrfs_key min_key;
        struct btrfs_key max_key;
        struct btrfs_root *log = root->log_root;
-       LIST_HEAD(logged_list);
        u64 last_extent = 0;
        int err = 0;
        int ret;
@@ -5137,7 +5113,7 @@ log_extents:
        }
        if (fast_search) {
                ret = btrfs_log_changed_extents(trans, root, inode, dst_path,
-                                               &logged_list, ctx, start, end);
+                                               ctx, start, end);
                if (ret) {
                        err = ret;
                        goto out_unlock;
@@ -5188,10 +5164,6 @@ log_extents:
        inode->last_log_commit = inode->last_sub_trans;
        spin_unlock(&inode->lock);
 out_unlock:
-       if (unlikely(err))
-               btrfs_put_logged_extents(&logged_list);
-       else
-               btrfs_submit_logged_extents(&logged_list, log);
        mutex_unlock(&inode->log_mutex);
 
        btrfs_free_path(path);