compat_ioctl: hook up compat handler for FIEMAP ioctl
PATCH 7/15 compat_ioctl: hook up compat handler for FIEMAP ioctl
From: Eric Sandeen <[email protected]>
The FIEMAP_IOC_FIEMAP mapping ioctl was missing a 32-bit compat handler, which means that 32-bit suerspace on 64-bit kernels cannot use this ioctl command.
The structure is nicely aligned, padded, and sized, so it is just this simple.
Tested w/ 32-bit ioctl tester (from Josef) on a 64-bit kernel on ext4.
Signed-off-by Eric Sandeen <[email protected]>
Cc <[email protected]>
Cc Mark Lord <[email protected]>
Cc Arnd Bergmann <[email protected]>
Cc Josef Bacik <[email protected]>
Cc Jan Kara <[email protected]>
Cc <[email protected]>
Signed-off-by Andrew Morton <[email protected]>
---
fs/compat_ioctl.c | 1 + 1 file changed, 1 insertion(+)
fs/compat_ioctl.c renamed from fs/compat_ioctl.c~compat_ioctl-hook-up-compat-handler-for-fiemap-ioctl +1 -0
@@ -1905,6 +1905,7 @@ COMPATIBLE_IOCTL(FIONCLEX) COMPATIBLE_IOCTL(FIOASYNC) COMPATIBLE_IOCTL(FIONBIO) COMPATIBLE_IOCTL(FIONREAD) /* This is also TIOCINQ */ +COMPATIBLE_IOCTL(FS_IOC_FIEMAP) /* 0x00 */ COMPATIBLE_IOCTL(FIBMAP) COMPATIBLE_IOCTL(FIGETBSZ)
_