xfs: remove xrep_trans_{alloc,cancel}_hook_dummy

XFS stopped using current->journal_info in commit f2e812c1522d ("xfs:
don't use current->journal_info"), so there is no point in saving and
restoring it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Carlos Maiolino <cem@kernel.org>

4 files changed, 6 insertions, 46 deletions

diff --git a/fs/xfs/scrub/repair.c b/fs/xfs/scrub/repair.c
index f7f80ff32afc..d00c18954a26 100644
--- a/fs/xfs/scrub/repair.c
+++ b/fs/xfs/scrub/repair.c
@@ -1269,34 +1269,6 @@ xrep_setup_xfbtree(
 }
 
 /*
- * Create a dummy transaction for use in a live update hook function.  This
- * function MUST NOT be called from regular repair code because the current
- * process' transaction is saved via the cookie.
- */
-int
-xrep_trans_alloc_hook_dummy(
-	struct xfs_mount	*mp,
-	void			**cookiep,
-	struct xfs_trans	**tpp)
-{
-	*cookiep = current->journal_info;
-	current->journal_info = NULL;
-	*tpp = xfs_trans_alloc_empty(mp);
-	return 0;
-}
-
-/* Cancel a dummy transaction used by a live update hook function. */
-void
-xrep_trans_cancel_hook_dummy(
-	void			**cookiep,
-	struct xfs_trans	*tp)
-{
-	xfs_trans_cancel(tp);
-	current->journal_info = *cookiep;
-	*cookiep = NULL;
-}
-
-/*
  * See if this buffer can pass the given ->verify_struct() function.
  *
  * If the buffer already has ops attached and they're not the ones that were
diff --git a/fs/xfs/scrub/repair.h b/fs/xfs/scrub/repair.h
index af0a3a9e5ed9..9c04295742c8 100644
--- a/fs/xfs/scrub/repair.h
+++ b/fs/xfs/scrub/repair.h
@@ -180,10 +180,6 @@ int xrep_quotacheck(struct xfs_scrub *sc);
 int xrep_reinit_pagf(struct xfs_scrub *sc);
 int xrep_reinit_pagi(struct xfs_scrub *sc);
 
-int xrep_trans_alloc_hook_dummy(struct xfs_mount *mp, void **cookiep,
-		struct xfs_trans **tpp);
-void xrep_trans_cancel_hook_dummy(void **cookiep, struct xfs_trans *tp);
-
 bool xrep_buf_verify_struct(struct xfs_buf *bp, const struct xfs_buf_ops *ops);
 void xrep_inode_set_nblocks(struct xfs_scrub *sc, int64_t new_blocks);
 int xrep_reset_metafile_resv(struct xfs_scrub *sc);
diff --git a/fs/xfs/scrub/rmap_repair.c b/fs/xfs/scrub/rmap_repair.c
index bf1e632b449a..17d4a38d735c 100644
--- a/fs/xfs/scrub/rmap_repair.c
+++ b/fs/xfs/scrub/rmap_repair.c
@@ -1610,7 +1610,6 @@ xrep_rmapbt_live_update(
 	struct xfs_mount		*mp;
 	struct xfs_btree_cur		*mcur;
 	struct xfs_trans		*tp;
-	void				*txcookie;
 	int				error;
 
 	rr = container_of(nb, struct xrep_rmap, rhook.rmap_hook.nb);
@@ -1621,9 +1620,7 @@ xrep_rmapbt_live_update(
 
 	trace_xrep_rmap_live_update(pag_group(rr->sc->sa.pag), action, p);
 
-	error = xrep_trans_alloc_hook_dummy(mp, &txcookie, &tp);
-	if (error)
-		goto out_abort;
+	tp = xfs_trans_alloc_empty(mp);
 
 	mutex_lock(&rr->lock);
 	mcur = xfs_rmapbt_mem_cursor(rr->sc->sa.pag, tp, &rr->rmap_btree);
@@ -1637,14 +1634,13 @@ xrep_rmapbt_live_update(
 	if (error)
 		goto out_cancel;
 
-	xrep_trans_cancel_hook_dummy(&txcookie, tp);
+	xfs_trans_cancel(tp);
 	mutex_unlock(&rr->lock);
 	return NOTIFY_DONE;
 
 out_cancel:
 	xfbtree_trans_cancel(&rr->rmap_btree, tp);
-	xrep_trans_cancel_hook_dummy(&txcookie, tp);
-out_abort:
+	xfs_trans_cancel(tp);
 	mutex_unlock(&rr->lock);
 	xchk_iscan_abort(&rr->iscan);
 out_unlock:
diff --git a/fs/xfs/scrub/rtrmap_repair.c b/fs/xfs/scrub/rtrmap_repair.c
index 4a56726d9952..7561941a337a 100644
--- a/fs/xfs/scrub/rtrmap_repair.c
+++ b/fs/xfs/scrub/rtrmap_repair.c
@@ -844,7 +844,6 @@ xrep_rtrmapbt_live_update(
 	struct xfs_mount		*mp;
 	struct xfs_btree_cur		*mcur;
 	struct xfs_trans		*tp;
-	void				*txcookie;
 	int				error;
 
 	rr = container_of(nb, struct xrep_rtrmap, rhook.rmap_hook.nb);
@@ -855,9 +854,7 @@ xrep_rtrmapbt_live_update(
 
 	trace_xrep_rmap_live_update(rtg_group(rr->sc->sr.rtg), action, p);
 
-	error = xrep_trans_alloc_hook_dummy(mp, &txcookie, &tp);
-	if (error)
-		goto out_abort;
+	tp = xfs_trans_alloc_empty(mp);
 
 	mutex_lock(&rr->lock);
 	mcur = xfs_rtrmapbt_mem_cursor(rr->sc->sr.rtg, tp, &rr->rtrmap_btree);
@@ -871,14 +868,13 @@ xrep_rtrmapbt_live_update(
 	if (error)
 		goto out_cancel;
 
-	xrep_trans_cancel_hook_dummy(&txcookie, tp);
+	xfs_trans_cancel(tp);
 	mutex_unlock(&rr->lock);
 	return NOTIFY_DONE;
 
 out_cancel:
 	xfbtree_trans_cancel(&rr->rtrmap_btree, tp);
-	xrep_trans_cancel_hook_dummy(&txcookie, tp);
-out_abort:
+	xfs_trans_cancel(tp);
 	xchk_iscan_abort(&rr->iscan);
 	mutex_unlock(&rr->lock);
 out_unlock: