[PATCH v3 09/21] xfs: Do not free EOF blocks for forcealign

From: John Garry
Date: Mon Apr 29 2024 - 13:49:23 EST


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

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 19e11d1da660..f26d1570b9bd 100644
--- a/fs/xfs/xfs_bmap_util.c
+++ b/fs/xfs/xfs_bmap_util.c
@@ -542,8 +542,13 @@ xfs_can_free_eofblocks(
* forever.
*/
end_fsb = XFS_B_TO_FSB(mp, (xfs_ufsize_t)XFS_ISIZE(ip));
- if (XFS_IS_REALTIME_INODE(ip) && mp->m_sb.sb_rextsize > 1)
+
+ /* Do not free blocks when forcing extent sizes */
+ if (xfs_inode_has_forcealign(ip) && ip->i_extsize > 1)
+ end_fsb = roundup_64(end_fsb, ip->i_extsize);
+ else if (XFS_IS_REALTIME_INODE(ip) && mp->m_sb.sb_rextsize > 1)
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