[PATCH 03/21] xfs: add a XFS_INODE_TO_AGNO helper

[Andrey Albershteyn <aalbersh@kernel.org>]

From: Christoph Hellwig <hch@lst.de>

Source kernel commit: a22166add624818a6c43b807d37f99483ba268a6

Add a shortcut for the common XFS_INO_TO_AGNO(mp, ip->i_ino) pattern.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Signed-off-by: Carlos Maiolino <cem@kernel.org>
---
 libxfs/xfs_dir2.c       | 4 ++--
 libxfs/xfs_format.h     | 2 ++
 libxfs/xfs_ialloc.c     | 2 +-
 libxfs/xfs_inode_util.c | 2 +-
 4 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/libxfs/xfs_dir2.c b/libxfs/xfs_dir2.c
index 1a13fec25e15..562d617254b2 100644
--- a/libxfs/xfs_dir2.c
+++ b/libxfs/xfs_dir2.c
@@ -918,7 +918,7 @@ xfs_dir_add_child(
 	if (VFS_I(ip)->i_nlink == 0) {
 		struct xfs_perag	*pag;
 
-		pag = xfs_perag_get(mp, XFS_INO_TO_AGNO(mp, ip->i_ino));
+		pag = xfs_perag_get(mp, XFS_INODE_TO_AGNO(ip));
 		error = xfs_iunlink_remove(tp, pag, ip);
 		xfs_perag_put(pag);
 		if (error)
@@ -1245,7 +1245,7 @@ xfs_dir_rename_children(
 
 		ASSERT(VFS_I(du_wip->ip)->i_nlink == 0);
 
-		pag = xfs_perag_get(mp, XFS_INO_TO_AGNO(mp, du_wip->ip->i_ino));
+		pag = xfs_perag_get(mp, XFS_INODE_TO_AGNO(du_wip->ip));
 		error = xfs_iunlink_remove(tp, pag, du_wip->ip);
 		xfs_perag_put(pag);
 		if (error)
diff --git a/libxfs/xfs_format.h b/libxfs/xfs_format.h
index 779dac59b1f3..36a00c174f1e 100644
--- a/libxfs/xfs_format.h
+++ b/libxfs/xfs_format.h
@@ -1276,6 +1276,8 @@ static inline bool xfs_dinode_is_metadir(const struct xfs_dinode *dip)
 	XFS_INO_AGNO_BITS(mp) + XFS_INO_AGINO_BITS(mp)
 #define	XFS_INO_TO_AGNO(mp,i)		\
 	((xfs_agnumber_t)((i) >> XFS_INO_AGINO_BITS(mp)))
+#define	XFS_INODE_TO_AGNO(ip)		\
+	XFS_INO_TO_AGNO((ip)->i_mount, (ip)->i_ino)
 #define	XFS_INO_TO_AGINO(mp,i)		\
 	((xfs_agino_t)(i) & XFS_INO_MASK(XFS_INO_AGINO_BITS(mp)))
 #define	XFS_INO_TO_AGBNO(mp,i)		\
diff --git a/libxfs/xfs_ialloc.c b/libxfs/xfs_ialloc.c
index 31c818f9870f..abfba2bfabaf 100644
--- a/libxfs/xfs_ialloc.c
+++ b/libxfs/xfs_ialloc.c
@@ -1865,7 +1865,7 @@ xfs_dialloc_pick_ag(
 	if (S_ISDIR(mode))
 		return (atomic_inc_return(&mp->m_agirotor) - 1) % mp->m_maxagi;
 
-	start_agno = XFS_INO_TO_AGNO(mp, dp->i_ino);
+	start_agno = XFS_INODE_TO_AGNO(dp);
 	if (start_agno >= mp->m_maxagi)
 		start_agno = 0;
 
diff --git a/libxfs/xfs_inode_util.c b/libxfs/xfs_inode_util.c
index fd8441bf9b83..8e439dc2f4fa 100644
--- a/libxfs/xfs_inode_util.c
+++ b/libxfs/xfs_inode_util.c
@@ -528,7 +528,7 @@ xfs_iunlink(
 	ASSERT(VFS_I(ip)->i_mode != 0);
 	trace_xfs_iunlink(ip);
 
-	pag = xfs_perag_get(mp, XFS_INO_TO_AGNO(mp, ip->i_ino));
+	pag = xfs_perag_get(mp, XFS_INODE_TO_AGNO(ip));
 
 	/* Get the agi buffer first.  It ensures lock ordering on the list. */
 	error = xfs_read_agi(pag, tp, 0, &agibp);
-- 
2.55.0