[PATCH] ext4: Add xattr commands to compat ioctl handler

From: Sarthak Kukreti
Date: Fri Feb 26 2021 - 17:17:59 EST


This allows 32-bit userspace utils to use FS_IOC_FSGETXATTR and
FS_IOC_FSSETXATTR on a 64-bit kernel.

Signed-off-by: Sarthak Kukreti <sarthakkukreti@xxxxxxxxxxxx>
---
fs/ext4/ioctl.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index f0381876a7e5b..055c26296ab46 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -1371,6 +1371,8 @@ long ext4_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
return -EFAULT;
return ext4_ioctl_group_add(file, &input);
}
+ case EXT4_IOC_FSGETXATTR:
+ case EXT4_IOC_FSSETXATTR:
case EXT4_IOC_MOVE_EXT:
case EXT4_IOC_RESIZE_FS:
case FITRIM:
--
2.30.1.766.gb4fecdf3b7-goog