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| /openbmc/linux/fs/btrfs/ |
| H A D | ioctl.c | abccd00f Thu Jan 30 14:17:00 CST 2014 Hugo Mills <hugo@carfax.org.uk> btrfs: Fix 32/64-bit problem with BTRFS_SET_RECEIVED_SUBVOL ioctl
The structure for BTRFS_SET_RECEIVED_IOCTL packs differently on 32-bit
and 64-bit systems. This means that it is impossible to use btrfs
receive on a system with a 64-bit kernel and 32-bit userspace, because
the structure size (and hence the ioctl number) is different.
This patch adds a compatibility structure and ioctl to deal with the
above case.
Signed-off-by: Hugo Mills <hugo@carfax.org.uk>
Signed-off-by: Josef Bacik <jbacik@fb.com>
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