The original allocation request may have a total value way beyond
possible limits.
Trim it down to the maximum possible if needed
Signed-off-by: Carlos Maiolino <cmaiolino@xxxxxxxxxx>
---
fs/xfs/libxfs/xfs_bmap.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 07aad70f3931..3aa0bf5cc7e3 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -3477,6 +3477,11 @@ xfs_bmap_btalloc(
error = xfs_bmap_btalloc_filestreams(ap, &args, &blen);
else
error = xfs_bmap_btalloc_nullfb(ap, &args, &blen);
+
+ /* We can never have total larger than blen, so trim it now */
+ if (args.total > blen)
+ args.total = blen;
+
if (error)
return error;
} else if (ap->tp->t_flags & XFS_TRANS_LOWMODE) {
--
2.20.1
