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xfs: pass two imaps to xfs_reflink_allocate_cow

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xfs_reflink_allocate_cow consumes the source data fork imap, and
potentially returns the COW fork imap.  Split the arguments in two
to clear up the calling conventions and to prepare for returning
a source iomap from ->iomap_begin.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Christoph Hellwig
2019-10-19 09:09:43 -07:00
committed by Darrick J. Wong
parent dd26b84640
commit ffb375a8cf
3 changed files with 21 additions and 21 deletions
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4
fs/xfs/xfs_reflink.h
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@@ -25,8 +25,8 @@ extern int xfs_reflink_trim_around_shared(struct xfs_inode *ip,
bool xfs_inode_need_cow(struct xfs_inode *ip, struct xfs_bmbt_irec *imap,
bool *shared);
extern int xfs_reflink_allocate_cow(struct xfs_inode *ip,
struct xfs_bmbt_irec *imap, bool *shared, uint *lockmode,
int xfs_reflink_allocate_cow(struct xfs_inode *ip, struct xfs_bmbt_irec *imap,
struct xfs_bmbt_irec *cmap, bool *shared, uint *lockmode,
bool convert_now);
extern int xfs_reflink_convert_cow(struct xfs_inode *ip, xfs_off_t offset,
xfs_off_t count);