Xue jiufei
2015-Apr-17 09:09 UTC
[Ocfs2-devel] [PATCH] ocfs2: return error while ocfs2_figure_merge_contig_type failing
Now function ocfs2_figure_merge_contig_type() still return CONTIG_NONE when some error occurs which will cause unpredictable error. So return error while ocfs2_figure_merge_contig_type failing. Signed-off-by: joyce.xue <xuejiufei at huawei.com> --- fs/ocfs2/alloc.c | 22 +++++++++++++++------- 1 file changed, 15 insertions(+), 7 deletions(-) diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 044158b..aa039f2 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -4313,11 +4313,11 @@ out: return ret; } -static enum ocfs2_contig_type -ocfs2_figure_merge_contig_type(struct ocfs2_extent_tree *et, +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; enum ocfs2_contig_type ret = CONTIG_NONE; @@ -4431,12 +4431,15 @@ ocfs2_figure_merge_contig_type(struct ocfs2_extent_tree *et, } out: + if (status == 0) + ctxt->c_contig_type = ret; + if (left_path) ocfs2_free_path(left_path); if (right_path) ocfs2_free_path(right_path); - return ret; + return status; } static void ocfs2_figure_contig_type(struct ocfs2_extent_tree *et, @@ -5042,9 +5045,14 @@ int ocfs2_split_extent(handle_t *handle, goto out; } - ctxt.c_contig_type = ocfs2_figure_merge_contig_type(et, path, el, - split_index, - split_rec); + ret = ocfs2_figure_merge_contig_type(et, path, el, + split_index, + split_rec, + &ctxt); + if (ret) { + mlog_errno(ret); + goto out; + } /* * The core merge / split code wants to know how much room is -- 1.8.4.3
Joseph Qi
2015-Apr-21 02:22 UTC
[Ocfs2-devel] [PATCH] ocfs2: return error while ocfs2_figure_merge_contig_type failing
On 2015/4/17 17:09, Xue jiufei wrote:> Now function ocfs2_figure_merge_contig_type() still return CONTIG_NONE > when some error occurs which will cause unpredictable error. > So return error while ocfs2_figure_merge_contig_type failing. > > Signed-off-by: joyce.xue <xuejiufei at huawei.com> > --- > fs/ocfs2/alloc.c | 22 +++++++++++++++------- > 1 file changed, 15 insertions(+), 7 deletions(-) > > diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c > index 044158b..aa039f2 100644 > --- a/fs/ocfs2/alloc.c > +++ b/fs/ocfs2/alloc.c > @@ -4313,11 +4313,11 @@ out: > return ret; > } > > -static enum ocfs2_contig_type > -ocfs2_figure_merge_contig_type(struct ocfs2_extent_tree *et, > +int ocfs2_figure_merge_contig_type(struct ocfs2_extent_tree *et,It can still be static.> 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; > enum ocfs2_contig_type ret = CONTIG_NONE; > @@ -4431,12 +4431,15 @@ ocfs2_figure_merge_contig_type(struct ocfs2_extent_tree *et, > } > > out: > + if (status == 0) > + ctxt->c_contig_type = ret; > + > if (left_path) > ocfs2_free_path(left_path); > if (right_path) > ocfs2_free_path(right_path); > > - return ret; > + return status; > } > > static void ocfs2_figure_contig_type(struct ocfs2_extent_tree *et, > @@ -5042,9 +5045,14 @@ int ocfs2_split_extent(handle_t *handle, > goto out; > } > > - ctxt.c_contig_type = ocfs2_figure_merge_contig_type(et, path, el, > - split_index, > - split_rec); > + ret = ocfs2_figure_merge_contig_type(et, path, el, > + split_index, > + split_rec, > + &ctxt); > + if (ret) { > + mlog_errno(ret); > + goto out; > + } > > /* > * The core merge / split code wants to know how much room is >