[PATCH 2/4] xfs: reduce the size of nr_ops for refcount btree cursors

Darrick J. Wong
2021-09-24T01:27:50Z

From: Darrick J. Wong <djwong@kernel.org>

We're never going to run more than 4 billion btree operations on a
refcount cursor, so shrink the field to an unsigned int to reduce the
structure size. Fix whitespace alignment too.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
---
fs/xfs/libxfs/xfs_btree.h | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h
index 527b90aa085b..57b7aa3f6366 100644
--- a/fs/xfs/libxfs/xfs_btree.h
+++ b/fs/xfs/libxfs/xfs_btree.h
@@ -185,18 +185,18 @@ union xfs_btree_irec {

/* Per-AG btree information. */
struct xfs_btree_cur_ag {
- struct xfs_perag *pag;
+ struct xfs_perag *pag;
union {
struct xfs_buf *agbp;
struct xbtree_afakeroot *afake; /* for staging cursor */
};
union {
struct {
- unsigned long nr_ops; /* # record updates */
- int shape_changes; /* # of extent splits */
+ unsigned int nr_ops; /* # record updates */
+ unsigned int shape_changes; /* # of extent splits */
} refc;
struct {
- bool active; /* allocation cursor state */
+ bool active; /* allocation cursor state */
} abt;
};
};