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-rw-r--r--fs/xfs/xfs_mount.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index 31453ca0f3dd..a66b39805176 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -1154,7 +1154,9 @@ xfs_mountfs(
* This may drive us straight to ENOSPC on mount, but that implies
* we were already there on the last unmount.
*/
- resblks = min_t(__uint64_t, mp->m_sb.sb_dblocks / 20, 1024);
+ resblks = mp->m_sb.sb_dblocks;
+ do_div(resblks, 20);
+ resblks = min_t(__uint64_t, resblks, 1024);
xfs_reserve_blocks(mp, &resblks, NULL);
return 0;