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| author |   Darrick J. Wong <darrick.wong@oracle.com> | 2015-12-19 00:55:59 -0800 |
|---|---|---|
| committer |   Al Viro <viro@zeniv.linux.org.uk> | 2016-01-01 02:36:19 -0500 |
| commit | 54dbc15172375641ef03399e8f911d7165eb90fb (patch) | |
| tree | b85a2df3b98719f4cf6493d69409588886276833 /include/linux/fs.h | |
| parent | vfs: wire up compat ioctl for CLONE/CLONE_RANGE (diff) | |
| download | linux-dev-54dbc15172375641ef03399e8f911d7165eb90fb.tar.xz linux-dev-54dbc15172375641ef03399e8f911d7165eb90fb.zip | |
vfs: hoist the btrfs deduplication ioctl to the vfs
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>
Diffstat (limited to 'include/linux/fs.h')
| -rw-r--r-- | include/linux/fs.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index 5d987aefcf1e..d71814b81a3c 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1633,6 +1633,8 @@ struct file_operations { loff_t, size_t, unsigned int); int (*clone_file_range)(struct file *, loff_t, struct file *, loff_t, u64); + ssize_t (*dedupe_file_range)(struct file *, u64, u64, struct file *, + u64); }; struct inode_operations { @@ -1688,6 +1690,8 @@ extern ssize_t vfs_copy_file_range(struct file *, loff_t , struct file *, loff_t, size_t, unsigned int); extern int vfs_clone_file_range(struct file *file_in, loff_t pos_in, struct file *file_out, loff_t pos_out, u64 len); +extern int vfs_dedupe_file_range(struct file *file, + struct file_dedupe_range *same); struct super_operations { struct inode *(*alloc_inode)(struct super_block *sb); |