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-rw-r--r--fs/xfs/xfs_trans.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index bedc5a5133a5..912b42f5fe4a 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -259,6 +259,14 @@ xfs_trans_alloc(
struct xfs_trans *tp;
int error;
+ /*
+ * Allocate the handle before we do our freeze accounting and setting up
+ * GFP_NOFS allocation context so that we avoid lockdep false positives
+ * by doing GFP_KERNEL allocations inside sb_start_intwrite().
+ */
+ tp = kmem_zone_zalloc(xfs_trans_zone,
+ (flags & XFS_TRANS_NOFS) ? KM_NOFS : KM_SLEEP);
+
if (!(flags & XFS_TRANS_NO_WRITECOUNT))
sb_start_intwrite(mp->m_super);
@@ -270,8 +278,6 @@ xfs_trans_alloc(
mp->m_super->s_writers.frozen == SB_FREEZE_COMPLETE);
atomic_inc(&mp->m_active_trans);
- tp = kmem_zone_zalloc(xfs_trans_zone,
- (flags & XFS_TRANS_NOFS) ? KM_NOFS : KM_SLEEP);
tp->t_magic = XFS_TRANS_HEADER_MAGIC;
tp->t_flags = flags;
tp->t_mountp = mp;