diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index a74ea700ffdc3..0cb2945eb8170 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -1125,8 +1125,7 @@ static int ocfs2_adjust_rightmost_branch(handle_t *handle,
goto out;
}
- status = ocfs2_extend_trans(handle, path_num_items(path) +
- handle->h_buffer_credits);
+ status = ocfs2_extend_trans(handle, path_num_items(path));
if (status < 0) {
mlog_errno(status);
goto out;
@@ -2288,20 +2287,14 @@ static int ocfs2_extend_rotate_transaction(handle_t *handle, int subtree_depth,
int op_credits,
struct ocfs2_path *path)
{
- int ret;
+ int ret = 0;
int credits = (path->p_tree_depth - subtree_depth) * 2 + 1 + op_credits;
- if (handle->h_buffer_credits < credits) {
+ if (handle->h_buffer_credits < credits)
ret = ocfs2_extend_trans(handle,
credits - handle->h_buffer_credits);
- if (ret)
- return ret;
-
- if (unlikely(handle->h_buffer_credits < credits))
- return ocfs2_extend_trans(handle, credits);
- }
- return 0;
+ return ret;
}
/*
@@ -2545,8 +2538,7 @@ static int ocfs2_update_edge_lengths(handle_t *handle,
* records for all the bh in the path.
* So we have to allocate extra credits and access them.
*/
- ret = ocfs2_extend_trans(handle,
- handle->h_buffer_credits + subtree_index);
+ ret = ocfs2_extend_trans(handle, subtree_index);
if (ret) {
mlog_errno(ret);
goto out;
@@ -4141,17 +4133,13 @@ static int ocfs2_insert_path(handle_t *handle,
struct buffer_head *leaf_bh = path_leaf_bh(right_path);
if (left_path) {
- int credits = handle->h_buffer_credits;
-
/*
* There's a chance that left_path got passed back to
* us without being accounted for in the
* journal. Extend our transaction here to be sure we
* can change those blocks.
*/
- credits += left_path->p_tree_depth;
-
- ret = ocfs2_extend_trans(handle, credits);
+ ret = ocfs2_extend_trans(handle, left_path->p_tree_depth);
if (ret < 0) {
mlog_errno(ret);
goto out;
@@ -5237,7 +5225,7 @@ static int ocfs2_split_tree(handle_t *handle, struct ocfs2_extent_tree *et,
int index, u32 new_range,
struct ocfs2_alloc_context *meta_ac)
{
- int ret, depth, credits = handle->h_buffer_credits;
+ int ret, depth, credits;
struct buffer_head *last_eb_bh = NULL;
struct ocfs2_extent_block *eb;
struct ocfs2_extent_list *rightmost_el, *el;
@@ -5268,8 +5256,8 @@ static int ocfs2_split_tree(handle_t *handle, struct ocfs2_extent_tree *et,
} else
rightmost_el = path_leaf_el(path);
- credits += path->p_tree_depth +
- ocfs2_extend_meta_needed(et->et_root_el);
+ credits = path->p_tree_depth +
+ ocfs2_extend_meta_needed(et->et_root_el);
ret = ocfs2_extend_trans(handle, credits);
if (ret) {
mlog_errno(ret);
diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c
index cfd271c64da97..47878cf164184 100644
--- a/fs/ocfs2/journal.c
+++ b/fs/ocfs2/journal.c
@@ -402,9 +402,7 @@ int ocfs2_commit_trans(struct ocfs2_super *osb,
}
/*
- * 'nblocks' is what you want to add to the current
- * transaction. extend_trans will either extend the current handle by
- * nblocks, or commit it and start a new one with nblocks credits.
+ * 'nblocks' is what you want to add to the current transaction.
*
* This might call jbd2_journal_restart() which will commit dirty buffers
* and then restart the transaction. Before calling
@@ -422,11 +420,15 @@ int ocfs2_commit_trans(struct ocfs2_super *osb,
*/
int ocfs2_extend_trans(handle_t *handle, int nblocks)
{
- int status;
+ int status, old_nblocks;
BUG_ON(!handle);
- BUG_ON(!nblocks);
+ BUG_ON(nblocks < 0);
+
+ if (!nblocks)
+ return 0;
+ old_nblocks = handle->h_buffer_credits;
mlog_entry_void();
mlog(0, "Trying to extend transaction by %d blocks\n", nblocks);
@@ -445,7 +447,8 @@ int ocfs2_extend_trans(handle_t *handle, int nblocks)
mlog(0,
"jbd2_journal_extend failed, trying "
"jbd2_journal_restart\n");
- status = jbd2_journal_restart(handle, nblocks);
+ status = jbd2_journal_restart(handle,
+ old_nblocks + nblocks);
if (status < 0) {
mlog_errno(status);
goto bail;
diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index 4b0b4eb793520..33dd2a18cb744 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -1693,7 +1693,7 @@ static int ocfs2_adjust_refcount_rec(handle_t *handle,
* 2 more credits, one for the leaf refcount block, one for
* the extent block contains the extent rec.
*/
- ret = ocfs2_extend_trans(handle, handle->h_buffer_credits + 2);
+ ret = ocfs2_extend_trans(handle, 2);
if (ret < 0) {
mlog_errno(ret);
goto out;
diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index 4cf6fde71027b..38a55ff45b3ad 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -3295,8 +3295,7 @@ static int __ocfs2_xattr_set_handle(struct inode *inode,
goto out;
}
- ret = ocfs2_extend_trans(ctxt->handle, credits +
- ctxt->handle->h_buffer_credits);
+ ret = ocfs2_extend_trans(ctxt->handle, credits);
if (ret) {
mlog_errno(ret);
goto out;
@@ -3326,8 +3325,7 @@ static int __ocfs2_xattr_set_handle(struct inode *inode,
goto out;
}
- ret = ocfs2_extend_trans(ctxt->handle, credits +
- ctxt->handle->h_buffer_credits);
+ ret = ocfs2_extend_trans(ctxt->handle, credits);
if (ret) {
mlog_errno(ret);
goto out;
@@ -3361,8 +3359,7 @@ static int __ocfs2_xattr_set_handle(struct inode *inode,
goto out;
}
- ret = ocfs2_extend_trans(ctxt->handle, credits +
- ctxt->handle->h_buffer_credits);
+ ret = ocfs2_extend_trans(ctxt->handle, credits);
if (ret) {
mlog_errno(ret);
goto out;
@@ -4870,8 +4867,7 @@ static int ocfs2_mv_xattr_buckets(struct inode *inode, handle_t *handle,
* We need to update the first bucket of the old extent and all
* the buckets going to the new extent.
*/
- credits = ((num_buckets + 1) * blks_per_bucket) +
- handle->h_buffer_credits;
+ credits = ((num_buckets + 1) * blks_per_bucket);
ret = ocfs2_extend_trans(handle, credits);
if (ret) {
mlog_errno(ret);
@@ -4941,7 +4937,7 @@ static int ocfs2_divide_xattr_cluster(struct inode *inode,
u32 *first_hash)
{
u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
- int ret, credits = 2 * blk_per_bucket + handle->h_buffer_credits;
+ int ret, credits = 2 * blk_per_bucket;
BUG_ON(OCFS2_XATTR_BUCKET_SIZE < OCFS2_SB(inode->i_sb)->s_clustersize);
@@ -5181,8 +5177,7 @@ static int ocfs2_extend_xattr_bucket(struct inode *inode,
* existing bucket. Then we add the last existing bucket, the
* new bucket, and the first bucket (3 * blk_per_bucket).
*/
- credits = (end_blk - target_blk) + (3 * blk_per_bucket) +
- handle->h_buffer_credits;
+ credits = (end_blk - target_blk) + (3 * blk_per_bucket);
ret = ocfs2_extend_trans(handle, credits);
if (ret) {
mlog_errno(ret);