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Diffstat (limited to 'fs/jbd2/transaction.c')
-rw-r--r--fs/jbd2/transaction.c25
1 files changed, 16 insertions, 9 deletions
diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
index f8a5d6a166fb..ecc57071a1a9 100644
--- a/fs/jbd2/transaction.c
+++ b/fs/jbd2/transaction.c
@@ -551,7 +551,6 @@ int jbd2_journal_extend(handle_t *handle, int nblocks)
int result;
int wanted;
- WARN_ON(!transaction);
if (is_handle_aborted(handle))
return -EROFS;
journal = transaction->t_journal;
@@ -627,7 +626,6 @@ int jbd2__journal_restart(handle_t *handle, int nblocks, gfp_t gfp_mask)
tid_t tid;
int need_to_start, ret;
- WARN_ON(!transaction);
/* If we've had an abort of any type, don't even think about
* actually doing the restart! */
if (is_handle_aborted(handle))
@@ -791,7 +789,6 @@ do_get_write_access(handle_t *handle, struct journal_head *jh,
int need_copy = 0;
unsigned long start_lock, time_lock;
- WARN_ON(!transaction);
if (is_handle_aborted(handle))
return -EROFS;
journal = transaction->t_journal;
@@ -1057,7 +1054,6 @@ int jbd2_journal_get_create_access(handle_t *handle, struct buffer_head *bh)
int err;
jbd_debug(5, "journal_head %p\n", jh);
- WARN_ON(!transaction);
err = -EROFS;
if (is_handle_aborted(handle))
goto out;
@@ -1271,7 +1267,6 @@ int jbd2_journal_dirty_metadata(handle_t *handle, struct buffer_head *bh)
struct journal_head *jh;
int ret = 0;
- WARN_ON(!transaction);
if (is_handle_aborted(handle))
return -EROFS;
journal = transaction->t_journal;
@@ -1407,7 +1402,6 @@ int jbd2_journal_forget (handle_t *handle, struct buffer_head *bh)
int err = 0;
int was_modified = 0;
- WARN_ON(!transaction);
if (is_handle_aborted(handle))
return -EROFS;
journal = transaction->t_journal;
@@ -1538,8 +1532,22 @@ int jbd2_journal_stop(handle_t *handle)
tid_t tid;
pid_t pid;
- if (!transaction)
- goto free_and_exit;
+ if (!transaction) {
+ /*
+ * Handle is already detached from the transaction so
+ * there is nothing to do other than decrease a refcount,
+ * or free the handle if refcount drops to zero
+ */
+ if (--handle->h_ref > 0) {
+ jbd_debug(4, "h_ref %d -> %d\n", handle->h_ref + 1,
+ handle->h_ref);
+ return err;
+ } else {
+ if (handle->h_rsv_handle)
+ jbd2_free_handle(handle->h_rsv_handle);
+ goto free_and_exit;
+ }
+ }
journal = transaction->t_journal;
J_ASSERT(journal_current_handle() == handle);
@@ -2381,7 +2389,6 @@ int jbd2_journal_file_inode(handle_t *handle, struct jbd2_inode *jinode)
transaction_t *transaction = handle->h_transaction;
journal_t *journal;
- WARN_ON(!transaction);
if (is_handle_aborted(handle))
return -EROFS;
journal = transaction->t_journal;