[PATCH v2 08/13] xfs: Do not free EOF blocks for forcealign

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For when forcealign is enabled, we want the EOF to be aligned as well, so
do not free EOF blocks.

Reviewed-by: "Darrick J. Wong" <djwong@xxxxxxxxxx>
Signed-off-by: John Garry <john.g.garry@xxxxxxxxxx>
---
 fs/xfs/xfs_bmap_util.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c
index fe2e2c930975..b9f8093ae78c 100644
--- a/fs/xfs/xfs_bmap_util.c
+++ b/fs/xfs/xfs_bmap_util.c
@@ -537,8 +537,13 @@ xfs_can_free_eofblocks(
 	 * forever.
 	 */
 	end_fsb = XFS_B_TO_FSB(mp, (xfs_ufsize_t)XFS_ISIZE(ip));
-	if (xfs_inode_has_bigrtalloc(ip))
+
+	/* Only try to free beyond the allocation unit that crosses EOF */
+	if (xfs_inode_has_forcealign(ip))
+		end_fsb = roundup_64(end_fsb, ip->i_extsize);
+	else if (xfs_inode_has_bigrtalloc(ip))
 		end_fsb = xfs_rtb_roundup_rtx(mp, end_fsb);
+
 	last_fsb = XFS_B_TO_FSB(mp, mp->m_super->s_maxbytes);
 	if (last_fsb <= end_fsb)
 		return false;
-- 
2.31.1





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