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[03/17] xfs: reduce the size of nr_ops for refcount btree cursors

Message ID 163424263151.756780.8007377786471235053.stgit@magnolia (mailing list archive)
State Accepted
Headers show
Series xfs: support dynamic btree cursor height | expand

Commit Message

Darrick J. Wong Oct. 14, 2021, 8:17 p.m. UTC 
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>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
---
 fs/xfs/libxfs/xfs_btree.h |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
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Patch

diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h
index 49ecc496238f..1018bcc43d66 100644
--- a/fs/xfs/libxfs/xfs_btree.h
+++ b/fs/xfs/libxfs/xfs_btree.h
@@ -181,18 +181,18 @@  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;
 	};
 };