linux_dsm_epyc7002/include
Mark Fasheh 416161db9b btrfs: offline dedupe
This patch adds an ioctl, BTRFS_IOC_FILE_EXTENT_SAME which will try to
de-duplicate a list of extents across a range of files.

Internally, the ioctl re-uses code from the clone ioctl. This avoids
rewriting a large chunk of extent handling code.

Userspace passes in an array of file, offset pairs along with a length
argument. The ioctl will then (for each dedupe) do a byte-by-byte comparison
of the user data before deduping the extent. Status and number of bytes
deduped are returned for each operation.

Signed-off-by: Mark Fasheh <mfasheh@suse.de>
Reviewed-by: Zach Brown <zab@redhat.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
2013-09-01 08:05:00 -04:00
..
acpi
asm-generic Fix TLB gather virtual address range invalidation corner cases 2013-08-16 08:52:46 -07:00
clocksource
crypto
drm
dt-bindings
keys
kvm
linux Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-08-25 12:25:38 -07:00
math-emu
media
memory
misc
net ipv6: handle Redirect ICMP Message with no Redirected Header option 2013-08-22 20:08:21 -07:00
pcmcia
ras
rdma
rxrpc
scsi
sound
target
trace Btrfs/tracepoint: update delayed ref tracepoints 2013-09-01 07:57:39 -04:00
uapi btrfs: offline dedupe 2013-09-01 08:05:00 -04:00
video
xen
Kbuild