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| author | Wang Xiaoguang | 2016-07-11 05:05:29 +0200 |
|---|---|---|
| committer | David Sterba | 2016-07-26 13:52:25 +0200 |
| commit | dda3245eca18c73413a854a834c41fc770feb0dd (patch) | |
| tree | 9004d9180ec0c8542257ae5859b6b1f51ff15fac /fs/btrfs/dedupe.h | |
| parent | Btrfs: fix BUG_ON in btrfs_submit_compressed_write (diff) | |
| download | kernel-qcow2-linux-dda3245eca18c73413a854a834c41fc770feb0dd.tar.gz kernel-qcow2-linux-dda3245eca18c73413a854a834c41fc770feb0dd.tar.xz kernel-qcow2-linux-dda3245eca18c73413a854a834c41fc770feb0dd.zip | |
btrfs: expand cow_file_range() to support in-band dedup and subpage-blocksize
Extract cow_file_range() new parameters for both in-band dedupe and
subpage sector size patchset.
This should make conflict of both patchset to minimal, and reduce the
effort needed to rebase them.
Cc: Chandan Rajendra <chandan@linux.vnet.ibm.com>
Cc: David Sterba <dsterba@suse.cz>
Signed-off-by: Wang Xiaoguang <wangxg.fnst@cn.fujitsu.com>
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/dedupe.h')
| -rw-r--r-- | fs/btrfs/dedupe.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/fs/btrfs/dedupe.h b/fs/btrfs/dedupe.h new file mode 100644 index 000000000000..83ebfe28da9e --- /dev/null +++ b/fs/btrfs/dedupe.h @@ -0,0 +1,24 @@ +/* + * Copyright (C) 2016 Fujitsu. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License v2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this program; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 021110-1307, USA. + */ + +#ifndef __BTRFS_DEDUPE__ +#define __BTRFS_DEDUPE__ + +/* later in-band dedupe will expand this struct */ +struct btrfs_dedupe_hash; +#endif |