提交 9f99ad08 编写于 作者: X Xue jiufei 提交者: Linus Torvalds

ocfs2: return error when ocfs2_figure_merge_contig_type() fails

ocfs2_figure_merge_contig_type() still returns CONTIG_NONE when some error
occurs which will cause an unpredictable error.  So return a proper errno
when ocfs2_figure_merge_contig_type() fails.
Signed-off-by: Njoyce.xue <xuejiufei@huawei.com>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 345dc681
......@@ -4311,13 +4311,13 @@ static int ocfs2_do_insert_extent(handle_t *handle,
return ret;
}
static enum ocfs2_contig_type
ocfs2_figure_merge_contig_type(struct ocfs2_extent_tree *et,
static int ocfs2_figure_merge_contig_type(struct ocfs2_extent_tree *et,
struct ocfs2_path *path,
struct ocfs2_extent_list *el, int index,
struct ocfs2_extent_rec *split_rec)
struct ocfs2_extent_rec *split_rec,
struct ocfs2_merge_ctxt *ctxt)
{
int status;
int status = 0;
enum ocfs2_contig_type ret = CONTIG_NONE;
u32 left_cpos, right_cpos;
struct ocfs2_extent_rec *rec = NULL;
......@@ -4336,8 +4336,11 @@ ocfs2_figure_merge_contig_type(struct ocfs2_extent_tree *et,
if (left_cpos != 0) {
left_path = ocfs2_new_path_from_path(path);
if (!left_path)
if (!left_path) {
status = -ENOMEM;
mlog_errno(status);
goto exit;
}
status = ocfs2_find_path(et->et_ci, left_path,
left_cpos);
......@@ -4392,8 +4395,11 @@ ocfs2_figure_merge_contig_type(struct ocfs2_extent_tree *et,
goto free_left_path;
right_path = ocfs2_new_path_from_path(path);
if (!right_path)
if (!right_path) {
status = -ENOMEM;
mlog_errno(status);
goto free_left_path;
}
status = ocfs2_find_path(et->et_ci, right_path, right_cpos);
if (status)
......@@ -4433,7 +4439,10 @@ ocfs2_figure_merge_contig_type(struct ocfs2_extent_tree *et,
free_left_path:
ocfs2_free_path(left_path);
exit:
return ret;
if (status == 0)
ctxt->c_contig_type = ret;
return status;
}
static void ocfs2_figure_contig_type(struct ocfs2_extent_tree *et,
......@@ -5039,9 +5048,14 @@ int ocfs2_split_extent(handle_t *handle,
goto out;
}
ctxt.c_contig_type = ocfs2_figure_merge_contig_type(et, path, el,
ret = ocfs2_figure_merge_contig_type(et, path, el,
split_index,
split_rec);
split_rec,
&ctxt);
if (ret) {
mlog_errno(ret);
goto out;
}
/*
* The core merge / split code wants to know how much room is
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册