[PATCH] ufs: Fix build errors on 32 bit machines

From: Guenter Roeck
Date: Sat Jun 17 2017 - 13:35:21 EST


Various 32 builds fail with error messages such as

ERROR: "__udivdi3" [fs/ufs/ufs.ko] undefined!

due to a variable type change from 32 bit to 64 bit.

Fixes: c596961d1b4c ("ufs: fix s_size/s_dsize users")
Reported-by: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
fs/ufs/balloc.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/ufs/balloc.c b/fs/ufs/balloc.c
index 0315fea1d589..a93121873fa6 100644
--- a/fs/ufs/balloc.c
+++ b/fs/ufs/balloc.c
@@ -459,7 +459,7 @@ u64 ufs_new_fragments(struct inode *inode, void *p, u64 fragment,
case UFS_OPTSPACE:
request = newcount;
if (uspi->s_minfree < 5 || uspi->cs_total.cs_nffree
- > uspi->s_dsize * uspi->s_minfree / (2 * 100))
+ > div_u64(uspi->s_dsize * uspi->s_minfree, 2 * 100))
break;
usb1->fs_optim = cpu_to_fs32(sb, UFS_OPTTIME);
break;
@@ -468,8 +468,8 @@ u64 ufs_new_fragments(struct inode *inode, void *p, u64 fragment,

case UFS_OPTTIME:
request = uspi->s_fpb;
- if (uspi->cs_total.cs_nffree < uspi->s_dsize *
- (uspi->s_minfree - 2) / 100)
+ if (uspi->cs_total.cs_nffree <
+ div_u64(uspi->s_dsize * (uspi->s_minfree - 2), 100))
break;
usb1->fs_optim = cpu_to_fs32(sb, UFS_OPTTIME);
break;
--
2.7.4