[PATCH v2 09/13] xfs: Update xfs_inode_alloc_unitsize() for forcealign

[John Garry]

For forcealign enabled, the allocation unit size is in ip->i_extsize, and
this must never be zero.

Signed-off-by: John Garry <john.g.garry@xxxxxxxxxx>
---
 fs/xfs/xfs_inode.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index caffd4c75179..bf9e84243f23 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -4301,7 +4301,9 @@ xfs_inode_alloc_unitsize(
 {
 	unsigned int		blocks = 1;
 
-	if (XFS_IS_REALTIME_INODE(ip))
+	if (xfs_inode_has_forcealign(ip))
+		blocks = ip->i_extsize;
+	else if (XFS_IS_REALTIME_INODE(ip))
 		blocks = ip->i_mount->m_sb.sb_rextsize;
 
 	return XFS_FSB_TO_B(ip->i_mount, blocks);
-- 
2.31.1