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ocfs2: support partial clone range and dedupe range

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Change the ocfs2 remap code to allow for returning partial results.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Darrick J. Wong
2018-10-30 10:44:45 +11:00
committed by Dave Chinner
parent a8a94302c9
commit 900611a1bd
3 changed files with 46 additions and 45 deletions
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12
fs/ocfs2/refcounttree.h
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@@ -115,11 +115,11 @@ int ocfs2_reflink_ioctl(struct inode *inode,
const char __user *oldname,
const char __user *newname,
bool preserve);
int ocfs2_reflink_remap_range(struct file *file_in,
loff_t pos_in,
struct file *file_out,
loff_t pos_out,
loff_t len,
unsigned int remap_flags);
loff_t ocfs2_reflink_remap_range(struct file *file_in,
loff_t pos_in,
struct file *file_out,
loff_t pos_out,
loff_t len,
unsigned int remap_flags);
#endif /* OCFS2_REFCOUNTTREE_H */