ext4: add EXT4_IOC_GOINGDOWN ioctl
authorTheodore Ts'o <tytso@mit.edu>
Mon, 6 Feb 2017 00:47:14 +0000 (19:47 -0500)
committerTheodore Ts'o <tytso@mit.edu>
Mon, 6 Feb 2017 00:47:14 +0000 (19:47 -0500)
commit783d948544993f55bdacc78b127532e8b6e2fc9f
tree9aa172542294f1d75dc033d10f8756c5832ee1e8
parent0db1ff222d40f1601c961f0edb86d10426992595
ext4: add EXT4_IOC_GOINGDOWN ioctl

This ioctl is modeled after the xfs's XFS_IOC_GOINGDOWN ioctl.  (In
fact, it uses the same code points.)

Signed-off-by: Theodore Ts'o <tytso@mit.edu>
fs/ext4/ext4.h
fs/ext4/ioctl.c
fs/ext4/super.c