vfs: hoist the btrfs deduplication ioctl to the vfs

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Hoist the btrfs EXTENT_SAME ioctl up to the VFS and make the name
more systematic (FIDEDUPERANGE).

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

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Darrick J. Wong 2015-12-19 00:55:59 -08:00 • committed by Al Viro

parent d79bdd52d8

commit 54dbc15172

5 changed files with 173 additions and 0 deletions

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1

fs/compat_ioctl.c

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38

fs/ioctl.c

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100

fs/read_write.c

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4

include/linux/fs.h

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30

include/uapi/linux/fs.h

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