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ext4: hook the ext3 migration interface to the EXT4_IOC_SETFLAGS ioctl
authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Thu, 9 Oct 2008 03:34:06 +0000 (23:34 -0400)
committerTheodore Ts'o <tytso@mit.edu>
Thu, 9 Oct 2008 03:34:06 +0000 (23:34 -0400)
This patch hooks the ext3 to ext4 migrate interface to
EXT4_IOC_SETFLAGS ioctl. The userspace interface is via chattr +e.  We
only allow setting extent flags.  Clearing extent flag (migrating from
ext4 to ext3) is not supported.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

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