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Diffstat (limited to 'fs/ocfs2/alloc.c')
-rw-r--r--fs/ocfs2/alloc.c148
1 files changed, 79 insertions, 69 deletions
diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index 5997c00a1515..86181d6526dc 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -908,32 +908,30 @@ static int ocfs2_validate_extent_block(struct super_block *sb,
*/
if (!OCFS2_IS_VALID_EXTENT_BLOCK(eb)) {
- ocfs2_error(sb,
- "Extent block #%llu has bad signature %.*s",
- (unsigned long long)bh->b_blocknr, 7,
- eb->h_signature);
- return -EINVAL;
+ rc = ocfs2_error(sb,
+ "Extent block #%llu has bad signature %.*s\n",
+ (unsigned long long)bh->b_blocknr, 7,
+ eb->h_signature);
+ goto bail;
}
if (le64_to_cpu(eb->h_blkno) != bh->b_blocknr) {
- ocfs2_error(sb,
- "Extent block #%llu has an invalid h_blkno "
- "of %llu",
- (unsigned long long)bh->b_blocknr,
- (unsigned long long)le64_to_cpu(eb->h_blkno));
- return -EINVAL;
+ rc = ocfs2_error(sb,
+ "Extent block #%llu has an invalid h_blkno of %llu\n",
+ (unsigned long long)bh->b_blocknr,
+ (unsigned long long)le64_to_cpu(eb->h_blkno));
+ goto bail;
}
if (le32_to_cpu(eb->h_fs_generation) != OCFS2_SB(sb)->fs_generation) {
- ocfs2_error(sb,
- "Extent block #%llu has an invalid "
- "h_fs_generation of #%u",
- (unsigned long long)bh->b_blocknr,
- le32_to_cpu(eb->h_fs_generation));
- return -EINVAL;
+ rc = ocfs2_error(sb,
+ "Extent block #%llu has an invalid h_fs_generation of #%u\n",
+ (unsigned long long)bh->b_blocknr,
+ le32_to_cpu(eb->h_fs_generation));
+ goto bail;
}
-
- return 0;
+bail:
+ return rc;
}
int ocfs2_read_extent_block(struct ocfs2_caching_info *ci, u64 eb_blkno,
@@ -1446,8 +1444,7 @@ 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)",
+ "Owner %llu has empty extent list (next_free_rec == 0)\n",
(unsigned long long)ocfs2_metadata_cache_owner(et->et_ci));
status = -EIO;
goto bail;
@@ -1456,9 +1453,7 @@ static int ocfs2_find_branch_target(struct ocfs2_extent_tree *et,
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",
+ "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;
goto bail;
@@ -1788,8 +1783,7 @@ static int __ocfs2_find_path(struct ocfs2_caching_info *ci,
while (el->l_tree_depth) {
if (le16_to_cpu(el->l_next_free_rec) == 0) {
ocfs2_error(ocfs2_metadata_cache_get_super(ci),
- "Owner %llu has empty extent list at "
- "depth %u\n",
+ "Owner %llu has empty extent list at depth %u\n",
(unsigned long long)ocfs2_metadata_cache_owner(ci),
le16_to_cpu(el->l_tree_depth));
ret = -EROFS;
@@ -1814,8 +1808,7 @@ static int __ocfs2_find_path(struct ocfs2_caching_info *ci,
blkno = le64_to_cpu(el->l_recs[i].e_blkno);
if (blkno == 0) {
ocfs2_error(ocfs2_metadata_cache_get_super(ci),
- "Owner %llu has bad blkno in extent list "
- "at depth %u (index %d)\n",
+ "Owner %llu has bad blkno in extent list at depth %u (index %d)\n",
(unsigned long long)ocfs2_metadata_cache_owner(ci),
le16_to_cpu(el->l_tree_depth), i);
ret = -EROFS;
@@ -1836,8 +1829,7 @@ static int __ocfs2_find_path(struct ocfs2_caching_info *ci,
if (le16_to_cpu(el->l_next_free_rec) >
le16_to_cpu(el->l_count)) {
ocfs2_error(ocfs2_metadata_cache_get_super(ci),
- "Owner %llu has bad count in extent list "
- "at block %llu (next free=%u, count=%u)\n",
+ "Owner %llu has bad count in extent list at block %llu (next free=%u, count=%u)\n",
(unsigned long long)ocfs2_metadata_cache_owner(ci),
(unsigned long long)bh->b_blocknr,
le16_to_cpu(el->l_next_free_rec),
@@ -2116,8 +2108,7 @@ static int ocfs2_rotate_subtree_right(handle_t *handle,
if (left_el->l_next_free_rec != left_el->l_count) {
ocfs2_error(ocfs2_metadata_cache_get_super(et->et_ci),
- "Inode %llu has non-full interior leaf node %llu"
- "(next free = %u)",
+ "Inode %llu has non-full interior leaf node %llu (next free = %u)\n",
(unsigned long long)ocfs2_metadata_cache_owner(et->et_ci),
(unsigned long long)left_leaf_bh->b_blocknr,
le16_to_cpu(left_el->l_next_free_rec));
@@ -2256,8 +2247,7 @@ int ocfs2_find_cpos_for_left_leaf(struct super_block *sb,
* If we got here, we never found a valid node where
* the tree indicated one should be.
*/
- ocfs2_error(sb,
- "Invalid extent tree at extent block %llu\n",
+ ocfs2_error(sb, "Invalid extent tree at extent block %llu\n",
(unsigned long long)blkno);
ret = -EROFS;
goto out;
@@ -2872,8 +2862,7 @@ int ocfs2_find_cpos_for_right_leaf(struct super_block *sb,
* If we got here, we never found a valid node where
* the tree indicated one should be.
*/
- ocfs2_error(sb,
- "Invalid extent tree at extent block %llu\n",
+ ocfs2_error(sb, "Invalid extent tree at extent block %llu\n",
(unsigned long long)blkno);
ret = -EROFS;
goto out;
@@ -3131,6 +3120,30 @@ out:
return ret;
}
+static int ocfs2_remove_rightmost_empty_extent(struct ocfs2_super *osb,
+ struct ocfs2_extent_tree *et,
+ struct ocfs2_path *path,
+ struct ocfs2_cached_dealloc_ctxt *dealloc)
+{
+ handle_t *handle;
+ int ret;
+ int credits = path->p_tree_depth * 2 + 1;
+
+ handle = ocfs2_start_trans(osb, credits);
+ if (IS_ERR(handle)) {
+ ret = PTR_ERR(handle);
+ mlog_errno(ret);
+ return ret;
+ }
+
+ ret = ocfs2_remove_rightmost_path(handle, et, path, dealloc);
+ if (ret)
+ mlog_errno(ret);
+
+ ocfs2_commit_trans(osb, handle);
+ return ret;
+}
+
/*
* Left rotation of btree records.
*
@@ -3200,7 +3213,7 @@ 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",
+ "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;
@@ -3930,7 +3943,7 @@ static void ocfs2_adjust_rightmost_records(handle_t *handle,
next_free = le16_to_cpu(el->l_next_free_rec);
if (next_free == 0) {
ocfs2_error(ocfs2_metadata_cache_get_super(et->et_ci),
- "Owner %llu has a bad extent list",
+ "Owner %llu has a bad extent list\n",
(unsigned long long)ocfs2_metadata_cache_owner(et->et_ci));
ret = -EIO;
return;
@@ -4355,10 +4368,7 @@ static int ocfs2_figure_merge_contig_type(struct ocfs2_extent_tree *et,
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",
+ "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));
@@ -4413,8 +4423,7 @@ static int ocfs2_figure_merge_contig_type(struct ocfs2_extent_tree *et,
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",
+ "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;
@@ -4970,10 +4979,9 @@ leftright:
split_index = ocfs2_search_extent_list(el, cpos);
if (split_index == -1) {
ocfs2_error(ocfs2_metadata_cache_get_super(et->et_ci),
- "Owner %llu has an extent at cpos %u "
- "which can no longer be found.\n",
- (unsigned long long)ocfs2_metadata_cache_owner(et->et_ci),
- cpos);
+ "Owner %llu has an extent at cpos %u which can no longer be found\n",
+ (unsigned long long)ocfs2_metadata_cache_owner(et->et_ci),
+ cpos);
ret = -EROFS;
goto out;
}
@@ -5158,10 +5166,9 @@ int ocfs2_change_extent_flag(handle_t *handle,
index = ocfs2_search_extent_list(el, cpos);
if (index == -1) {
ocfs2_error(sb,
- "Owner %llu has an extent at cpos %u which can no "
- "longer be found.\n",
- (unsigned long long)
- ocfs2_metadata_cache_owner(et->et_ci), cpos);
+ "Owner %llu has an extent at cpos %u which can no longer be found\n",
+ (unsigned long long)ocfs2_metadata_cache_owner(et->et_ci),
+ cpos);
ret = -EROFS;
goto out;
}
@@ -5228,9 +5235,7 @@ int ocfs2_mark_extent_written(struct inode *inode,
cpos, len, phys);
if (!ocfs2_writes_unwritten_extents(OCFS2_SB(inode->i_sb))) {
- ocfs2_error(inode->i_sb, "Inode %llu has unwritten extents "
- "that are being written to, but the feature bit "
- "is not set in the super block.",
+ ocfs2_error(inode->i_sb, "Inode %llu has unwritten extents that are being written to, but the feature bit is not set in the super block\n",
(unsigned long long)OCFS2_I(inode)->ip_blkno);
ret = -EROFS;
goto out;
@@ -5514,8 +5519,7 @@ int ocfs2_remove_extent(handle_t *handle,
index = ocfs2_search_extent_list(el, cpos);
if (index == -1) {
ocfs2_error(ocfs2_metadata_cache_get_super(et->et_ci),
- "Owner %llu has an extent at cpos %u which can no "
- "longer be found.\n",
+ "Owner %llu has an extent at cpos %u which can no longer be found\n",
(unsigned long long)ocfs2_metadata_cache_owner(et->et_ci),
cpos);
ret = -EROFS;
@@ -5580,7 +5584,7 @@ int ocfs2_remove_extent(handle_t *handle,
index = ocfs2_search_extent_list(el, cpos);
if (index == -1) {
ocfs2_error(ocfs2_metadata_cache_get_super(et->et_ci),
- "Owner %llu: split at cpos %u lost record.",
+ "Owner %llu: split at cpos %u lost record\n",
(unsigned long long)ocfs2_metadata_cache_owner(et->et_ci),
cpos);
ret = -EROFS;
@@ -5596,8 +5600,7 @@ int ocfs2_remove_extent(handle_t *handle,
ocfs2_rec_clusters(el, rec);
if (rec_range != trunc_range) {
ocfs2_error(ocfs2_metadata_cache_get_super(et->et_ci),
- "Owner %llu: error after split at cpos %u"
- "trunc len %u, existing record is (%u,%u)",
+ "Owner %llu: error after split at cpos %u trunc len %u, existing record is (%u,%u)\n",
(unsigned long long)ocfs2_metadata_cache_owner(et->et_ci),
cpos, len, le32_to_cpu(rec->e_cpos),
ocfs2_rec_clusters(el, rec));
@@ -6175,7 +6178,7 @@ bail:
iput(tl_inode);
brelse(tl_bh);
- if (status < 0 && (*tl_copy)) {
+ if (status < 0) {
kfree(*tl_copy);
*tl_copy = NULL;
mlog_errno(status);
@@ -7108,15 +7111,23 @@ start:
* to check it up here before changing the tree.
*/
if (root_el->l_tree_depth && rec->e_int_clusters == 0) {
- ocfs2_error(inode->i_sb, "Inode %lu has an empty "
+ mlog(ML_ERROR, "Inode %lu has an empty "
"extent record, depth %u\n", inode->i_ino,
le16_to_cpu(root_el->l_tree_depth));
- status = -EROFS;
- goto bail;
+ status = ocfs2_remove_rightmost_empty_extent(osb,
+ &et, path, &dealloc);
+ if (status) {
+ mlog_errno(status);
+ goto bail;
+ }
+
+ ocfs2_reinit_path(path, 1);
+ goto start;
+ } else {
+ trunc_cpos = le32_to_cpu(rec->e_cpos);
+ trunc_len = 0;
+ blkno = 0;
}
- trunc_cpos = le32_to_cpu(rec->e_cpos);
- trunc_len = 0;
- blkno = 0;
} else if (le32_to_cpu(rec->e_cpos) >= new_highest_cpos) {
/*
* Truncate entire record.
@@ -7204,8 +7215,7 @@ int ocfs2_truncate_inline(struct inode *inode, struct buffer_head *di_bh,
!(le16_to_cpu(di->i_dyn_features) & OCFS2_INLINE_DATA_FL) ||
!ocfs2_supports_inline_data(osb)) {
ocfs2_error(inode->i_sb,
- "Inline data flags for inode %llu don't agree! "
- "Disk: 0x%x, Memory: 0x%x, Superblock: 0x%x\n",
+ "Inline data flags for inode %llu don't agree! Disk: 0x%x, Memory: 0x%x, Superblock: 0x%x\n",
(unsigned long long)OCFS2_I(inode)->ip_blkno,
le16_to_cpu(di->i_dyn_features),
OCFS2_I(inode)->ip_dyn_features,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.