ocfs2: return -EROFS when filesystem becomes read-only
We should return -EROFS rather than other errno if filesystem becomes
read-only.
[akpm@linux-foundation.org: coding-style fixes]
Link: http://lkml.kernel.org/r/5B191B26.9010501@huawei.com
Signed-off-by: Jun Piao <piaojun@huawei.com>
Reviewed-by: Yiwen Jiang <jiangyiwen@huawei.com>
Acked-by: Joseph Qi <jiangqi903@gmail.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <ge.changwei@h3c.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index 0f157bb..676714f 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -1481,19 +1481,17 @@ static int ocfs2_find_branch_target(struct ocfs2_extent_tree *et,
while(le16_to_cpu(el->l_tree_depth) > 1) {
if (le16_to_cpu(el->l_next_free_rec) == 0) {
- ocfs2_error(ocfs2_metadata_cache_get_super(et->et_ci),
- "Owner %llu has empty extent list (next_free_rec == 0)\n",
- (unsigned long long)ocfs2_metadata_cache_owner(et->et_ci));
- status = -EIO;
+ status = ocfs2_error(ocfs2_metadata_cache_get_super(et->et_ci),
+ "Owner %llu has empty extent list (next_free_rec == 0)\n",
+ (unsigned long long)ocfs2_metadata_cache_owner(et->et_ci));
goto bail;
}
i = le16_to_cpu(el->l_next_free_rec) - 1;
blkno = le64_to_cpu(el->l_recs[i].e_blkno);
if (!blkno) {
- ocfs2_error(ocfs2_metadata_cache_get_super(et->et_ci),
- "Owner %llu has extent list where extent # %d has no physical block start\n",
- (unsigned long long)ocfs2_metadata_cache_owner(et->et_ci), i);
- status = -EIO;
+ status = ocfs2_error(ocfs2_metadata_cache_get_super(et->et_ci),
+ "Owner %llu has extent list where extent # %d has no physical block start\n",
+ (unsigned long long)ocfs2_metadata_cache_owner(et->et_ci), i);
goto bail;
}
@@ -3214,11 +3212,10 @@ static int ocfs2_rotate_tree_left(handle_t *handle,
goto rightmost_no_delete;
if (le16_to_cpu(el->l_next_free_rec) == 0) {
- ret = -EIO;
- ocfs2_error(ocfs2_metadata_cache_get_super(et->et_ci),
- "Owner %llu has empty extent block at %llu\n",
- (unsigned long long)ocfs2_metadata_cache_owner(et->et_ci),
- (unsigned long long)le64_to_cpu(eb->h_blkno));
+ ret = ocfs2_error(ocfs2_metadata_cache_get_super(et->et_ci),
+ "Owner %llu has empty extent block at %llu\n",
+ (unsigned long long)ocfs2_metadata_cache_owner(et->et_ci),
+ (unsigned long long)le64_to_cpu(eb->h_blkno));
goto out;
}
@@ -4411,12 +4408,11 @@ static int ocfs2_figure_merge_contig_type(struct ocfs2_extent_tree *et,
le16_to_cpu(new_el->l_count)) {
bh = path_leaf_bh(left_path);
eb = (struct ocfs2_extent_block *)bh->b_data;
- ocfs2_error(sb,
- "Extent block #%llu has an invalid l_next_free_rec of %d. It should have matched the l_count of %d\n",
- (unsigned long long)le64_to_cpu(eb->h_blkno),
- le16_to_cpu(new_el->l_next_free_rec),
- le16_to_cpu(new_el->l_count));
- status = -EINVAL;
+ status = ocfs2_error(sb,
+ "Extent block #%llu has an invalid l_next_free_rec of %d. It should have matched the l_count of %d\n",
+ (unsigned long long)le64_to_cpu(eb->h_blkno),
+ le16_to_cpu(new_el->l_next_free_rec),
+ le16_to_cpu(new_el->l_count));
goto free_left_path;
}
rec = &new_el->l_recs[
@@ -4466,11 +4462,10 @@ static int ocfs2_figure_merge_contig_type(struct ocfs2_extent_tree *et,
if (le16_to_cpu(new_el->l_next_free_rec) <= 1) {
bh = path_leaf_bh(right_path);
eb = (struct ocfs2_extent_block *)bh->b_data;
- ocfs2_error(sb,
- "Extent block #%llu has an invalid l_next_free_rec of %d\n",
- (unsigned long long)le64_to_cpu(eb->h_blkno),
- le16_to_cpu(new_el->l_next_free_rec));
- status = -EINVAL;
+ status = ocfs2_error(sb,
+ "Extent block #%llu has an invalid l_next_free_rec of %d\n",
+ (unsigned long long)le64_to_cpu(eb->h_blkno),
+ le16_to_cpu(new_el->l_next_free_rec));
goto free_right_path;
}
rec = &new_el->l_recs[1];
