summaryrefslogtreecommitdiff
path: root/fs/xfs/xfs_trans.h
diff options
context:
space:
mode:
Diffstat (limited to 'fs/xfs/xfs_trans.h')
-rw-r--r--fs/xfs/xfs_trans.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index 8b03fbfe9a1b..9dd745cf77c9 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -281,4 +281,34 @@ int xfs_trans_alloc_ichange(struct xfs_inode *ip, struct xfs_dquot *udqp,
struct xfs_dquot *gdqp, struct xfs_dquot *pdqp, bool force,
struct xfs_trans **tpp);
+static inline void
+xfs_trans_set_context(
+ struct xfs_trans *tp)
+{
+ ASSERT(current->journal_info == NULL);
+ tp->t_pflags = memalloc_nofs_save();
+ current->journal_info = tp;
+}
+
+static inline void
+xfs_trans_clear_context(
+ struct xfs_trans *tp)
+{
+ if (current->journal_info == tp) {
+ memalloc_nofs_restore(tp->t_pflags);
+ current->journal_info = NULL;
+ }
+}
+
+static inline void
+xfs_trans_switch_context(
+ struct xfs_trans *old_tp,
+ struct xfs_trans *new_tp)
+{
+ ASSERT(current->journal_info == old_tp);
+ new_tp->t_pflags = old_tp->t_pflags;
+ old_tp->t_pflags = 0;
+ current->journal_info = new_tp;
+}
+
#endif /* __XFS_TRANS_H__ */