[PATCH v3 10/21] xfs: Update xfs_is_falloc_aligned() mask for forcealign

[John Garry <john.g.garry@xxxxxxxxxx>]

For when forcealign is enabled, we want the alignment mask to cover an
aligned extent, similar to rtvol.

Signed-off-by: John Garry <john.g.garry@xxxxxxxxxx>
---
 fs/xfs/xfs_file.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index 632653e00906..e81e01e6b22b 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -61,7 +61,10 @@ xfs_is_falloc_aligned(
 		}
 		mask = XFS_FSB_TO_B(mp, mp->m_sb.sb_rextsize) - 1;
 	} else {
-		mask = mp->m_sb.sb_blocksize - 1;
+		if (xfs_inode_has_forcealign(ip) && ip->i_extsize > 1)
+			mask = (mp->m_sb.sb_blocksize * ip->i_extsize) - 1;
+		else
+			mask = mp->m_sb.sb_blocksize - 1;
 	}
 
 	return !((pos | len) & mask);
-- 
2.31.1