[PATCH 05/44] xfs: fixup the metabtree reservation in xrep_reap_metadir_fsblocks

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All callers of xrep_reap_metadir_fsblocks need to fix up the metabtree
reservation, otherwise they'd leave the reservations in an incoherent
state.  Move the call to xrep_reset_metafile_resv into
xrep_reap_metadir_fsblocks so it always is taken care of, and remove
now superfluous helper functions in the callers.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: "Darrick J. Wong" <djwong@xxxxxxxxxx>
---
 fs/xfs/scrub/reap.c              |  9 ++++++---
 fs/xfs/scrub/rtrefcount_repair.c | 34 ++++++--------------------------
 fs/xfs/scrub/rtrmap_repair.c     | 29 +++++----------------------
 3 files changed, 17 insertions(+), 55 deletions(-)

diff --git a/fs/xfs/scrub/reap.c b/fs/xfs/scrub/reap.c
index b32fb233cf84..8703897c0a9c 100644
--- a/fs/xfs/scrub/reap.c
+++ b/fs/xfs/scrub/reap.c
@@ -935,10 +935,13 @@ xrep_reap_metadir_fsblocks(
 	if (error)
 		return error;
 
-	if (xreap_dirty(&rs))
-		return xrep_defer_finish(sc);
+	if (xreap_dirty(&rs)) {
+		error = xrep_defer_finish(sc);
+		if (error)
+			return error;
+	}
 
-	return 0;
+	return xrep_reset_metafile_resv(sc);
 }
 
 /*
diff --git a/fs/xfs/scrub/rtrefcount_repair.c b/fs/xfs/scrub/rtrefcount_repair.c
index 257cfb24beb4..983362447826 100644
--- a/fs/xfs/scrub/rtrefcount_repair.c
+++ b/fs/xfs/scrub/rtrefcount_repair.c
@@ -697,32 +697,6 @@ xrep_rtrefc_build_new_tree(
 	return error;
 }
 
-/*
- * Now that we've logged the roots of the new btrees, invalidate all of the
- * old blocks and free them.
- */
-STATIC int
-xrep_rtrefc_remove_old_tree(
-	struct xrep_rtrefc	*rr)
-{
-	int			error;
-
-	/*
-	 * Free all the extents that were allocated to the former rtrefcountbt
-	 * and aren't cross-linked with something else.
-	 */
-	error = xrep_reap_metadir_fsblocks(rr->sc,
-			&rr->old_rtrefcountbt_blocks);
-	if (error)
-		return error;
-
-	/*
-	 * Ensure the proper reservation for the rtrefcount inode so that we
-	 * don't fail to expand the btree.
-	 */
-	return xrep_reset_metafile_resv(rr->sc);
-}
-
 /* Rebuild the rt refcount btree. */
 int
 xrep_rtrefcountbt(
@@ -769,8 +743,12 @@ xrep_rtrefcountbt(
 	if (error)
 		goto out_bitmap;
 
-	/* Kill the old tree. */
-	error = xrep_rtrefc_remove_old_tree(rr);
+	/*
+	 * Free all the extents that were allocated to the former rtrefcountbt
+	 * and aren't cross-linked with something else.
+	 */
+	error = xrep_reap_metadir_fsblocks(rr->sc,
+			&rr->old_rtrefcountbt_blocks);
 	if (error)
 		goto out_bitmap;
 
diff --git a/fs/xfs/scrub/rtrmap_repair.c b/fs/xfs/scrub/rtrmap_repair.c
index f2fdd7a9fc24..fc2592c53af5 100644
--- a/fs/xfs/scrub/rtrmap_repair.c
+++ b/fs/xfs/scrub/rtrmap_repair.c
@@ -810,28 +810,6 @@ xrep_rtrmap_build_new_tree(
 
 /* Reaping the old btree. */
 
-/* Reap the old rtrmapbt blocks. */
-STATIC int
-xrep_rtrmap_remove_old_tree(
-	struct xrep_rtrmap	*rr)
-{
-	int			error;
-
-	/*
-	 * Free all the extents that were allocated to the former rtrmapbt and
-	 * aren't cross-linked with something else.
-	 */
-	error = xrep_reap_metadir_fsblocks(rr->sc, &rr->old_rtrmapbt_blocks);
-	if (error)
-		return error;
-
-	/*
-	 * Ensure the proper reservation for the rtrmap inode so that we don't
-	 * fail to expand the new btree.
-	 */
-	return xrep_reset_metafile_resv(rr->sc);
-}
-
 static inline bool
 xrep_rtrmapbt_want_live_update(
 	struct xchk_iscan		*iscan,
@@ -995,8 +973,11 @@ xrep_rtrmapbt(
 	if (error)
 		goto out_records;
 
-	/* Kill the old tree. */
-	error = xrep_rtrmap_remove_old_tree(rr);
+	/*
+	 * Free all the extents that were allocated to the former rtrmapbt and
+	 * aren't cross-linked with something else.
+	 */
+	error = xrep_reap_metadir_fsblocks(rr->sc, &rr->old_rtrmapbt_blocks);
 	if (error)
 		goto out_records;
 
-- 
2.45.2





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