piaojun
2018-Jun-07 11:46 UTC
[Ocfs2-devel] [PATCH v2] ocfs2: return -EROFS when filesystem becomes read-only
We should return -EROFS rather than other errno if filesystem becomes read-only. Signed-off-by: Jun Piao <piaojun at huawei.com> Reviewed-by: Yiwen Jiang <jiangyiwen at huawei.com> --- fs/ocfs2/alloc.c | 43 +++++++++++++++++++------------------------ fs/ocfs2/localalloc.c | 9 ++++----- fs/ocfs2/quota_local.c | 15 +++++++-------- 3 files changed, 30 insertions(+), 37 deletions(-) diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 0f157bb..ccf8093 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]; diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c index fe0d1f9..1b56c22 100644 --- a/fs/ocfs2/localalloc.c +++ b/fs/ocfs2/localalloc.c @@ -663,11 +663,10 @@ int ocfs2_reserve_local_alloc_bits(struct ocfs2_super *osb, #ifdef CONFIG_OCFS2_DEBUG_FS if (le32_to_cpu(alloc->id1.bitmap1.i_used) ! ocfs2_local_alloc_count_bits(alloc)) { - ocfs2_error(osb->sb, "local alloc inode %llu says it has %u used bits, but a count shows %u\n", - (unsigned long long)le64_to_cpu(alloc->i_blkno), - le32_to_cpu(alloc->id1.bitmap1.i_used), - ocfs2_local_alloc_count_bits(alloc)); - status = -EIO; + status = ocfs2_error(osb->sb, "local alloc inode %llu says it has %u used bits, but a count shows %u\n", + (unsigned long long)le64_to_cpu(alloc->i_blkno), + le32_to_cpu(alloc->id1.bitmap1.i_used), + ocfs2_local_alloc_count_bits(alloc)); goto bail; } #endif diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c index 16c42ed..9c2e4fa 100644 --- a/fs/ocfs2/quota_local.c +++ b/fs/ocfs2/quota_local.c @@ -137,14 +137,13 @@ static int ocfs2_read_quota_block(struct inode *inode, u64 v_block, int rc = 0; struct buffer_head *tmp = *bh; - if (i_size_read(inode) >> inode->i_sb->s_blocksize_bits <= v_block) { - ocfs2_error(inode->i_sb, - "Quota file %llu is probably corrupted! Requested to read block %Lu but file has size only %Lu\n", - (unsigned long long)OCFS2_I(inode)->ip_blkno, - (unsigned long long)v_block, - (unsigned long long)i_size_read(inode)); - return -EIO; - } + if (i_size_read(inode) >> inode->i_sb->s_blocksize_bits <= v_block) + return ocfs2_error(inode->i_sb, + "Quota file %llu is probably corrupted! Requested to read block %Lu but file has size only %Lu\n", + (unsigned long long)OCFS2_I(inode)->ip_blkno, + (unsigned long long)v_block, + (unsigned long long)i_size_read(inode)); + rc = ocfs2_read_virt_blocks(inode, v_block, 1, &tmp, 0, ocfs2_validate_quota_block); if (rc) --
Joseph Qi
2018-Jun-08 03:17 UTC
[Ocfs2-devel] [PATCH v2] ocfs2: return -EROFS when filesystem becomes read-only
On 18/6/7 19:46, piaojun wrote:> We should return -EROFS rather than other errno if filesystem becomes > read-only. > > Signed-off-by: Jun Piao <piaojun at huawei.com> > Reviewed-by: Yiwen Jiang <jiangyiwen at huawei.com>Acked-by: Joseph Qi <jiangqi903 at gmail.com>> --- > fs/ocfs2/alloc.c | 43 +++++++++++++++++++------------------------ > fs/ocfs2/localalloc.c | 9 ++++----- > fs/ocfs2/quota_local.c | 15 +++++++-------- > 3 files changed, 30 insertions(+), 37 deletions(-) > > diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c > index 0f157bb..ccf8093 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]; > diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c > index fe0d1f9..1b56c22 100644 > --- a/fs/ocfs2/localalloc.c > +++ b/fs/ocfs2/localalloc.c > @@ -663,11 +663,10 @@ int ocfs2_reserve_local_alloc_bits(struct ocfs2_super *osb, > #ifdef CONFIG_OCFS2_DEBUG_FS > if (le32_to_cpu(alloc->id1.bitmap1.i_used) !> ocfs2_local_alloc_count_bits(alloc)) { > - ocfs2_error(osb->sb, "local alloc inode %llu says it has %u used bits, but a count shows %u\n", > - (unsigned long long)le64_to_cpu(alloc->i_blkno), > - le32_to_cpu(alloc->id1.bitmap1.i_used), > - ocfs2_local_alloc_count_bits(alloc)); > - status = -EIO; > + status = ocfs2_error(osb->sb, "local alloc inode %llu says it has %u used bits, but a count shows %u\n", > + (unsigned long long)le64_to_cpu(alloc->i_blkno), > + le32_to_cpu(alloc->id1.bitmap1.i_used), > + ocfs2_local_alloc_count_bits(alloc)); > goto bail; > } > #endif > diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c > index 16c42ed..9c2e4fa 100644 > --- a/fs/ocfs2/quota_local.c > +++ b/fs/ocfs2/quota_local.c > @@ -137,14 +137,13 @@ static int ocfs2_read_quota_block(struct inode *inode, u64 v_block, > int rc = 0; > struct buffer_head *tmp = *bh; > > - if (i_size_read(inode) >> inode->i_sb->s_blocksize_bits <= v_block) { > - ocfs2_error(inode->i_sb, > - "Quota file %llu is probably corrupted! Requested to read block %Lu but file has size only %Lu\n", > - (unsigned long long)OCFS2_I(inode)->ip_blkno, > - (unsigned long long)v_block, > - (unsigned long long)i_size_read(inode)); > - return -EIO; > - } > + if (i_size_read(inode) >> inode->i_sb->s_blocksize_bits <= v_block) > + return ocfs2_error(inode->i_sb, > + "Quota file %llu is probably corrupted! Requested to read block %Lu but file has size only %Lu\n", > + (unsigned long long)OCFS2_I(inode)->ip_blkno, > + (unsigned long long)v_block, > + (unsigned long long)i_size_read(inode)); > + > rc = ocfs2_read_virt_blocks(inode, v_block, 1, &tmp, 0, > ocfs2_validate_quota_block); > if (rc) >