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src/cloner: add CIFS_IOC_COPYCHUNK_FILE support

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cifs.ko supports server-side copy offloads via CIFS_IOC_COPYCHUNK_FILE.
In handling the ioctl, the request is split into a series of
SMB2 FSCTL_SRV_COPYCHUNK wire requests, which may be handled by the SMB
server as a local read/write, or COW clone as is the case for Samba with
vfs_btrfs.

Signed-off-by: David Disseldorp <ddiss@suse.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
David Disseldorp
2014-06-18 09:32:59 +10:00
committed by Dave Chinner
parent c79bb5c641
commit f8c880df31
2 changed files with 68 additions and 11 deletions
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configure.ac
+1
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@@ -31,6 +31,7 @@ AC_HEADER_STDC
sys/fs/xfs_itable.h \
xfs/platform_defs.h \
btrfs/ioctl.h \
cifs/ioctl.h \
])
AC_CHECK_HEADERS([xfs/xfs_log_format.h],,,[#include <xfs/libxfs.h>])