This will be required for the iomap code to detect whether a range is covered by a CoW extent. Signed-off-by: John Garry <john.g.garry@xxxxxxxxxx> --- fs/xfs/xfs_reflink.c | 2 +- fs/xfs/xfs_reflink.h | 2 ++ 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c index 580469668334..b28fb632b9e6 100644 --- a/fs/xfs/xfs_reflink.c +++ b/fs/xfs/xfs_reflink.c @@ -357,7 +357,7 @@ xfs_reflink_convert_cow( * is not shared we might have a preallocation for it in the COW fork. If so we * use it that rather than trigger a new allocation. */ -static int +int xfs_find_trim_cow_extent( struct xfs_inode *ip, struct xfs_bmbt_irec *imap, diff --git a/fs/xfs/xfs_reflink.h b/fs/xfs/xfs_reflink.h index cc4e92278279..a328b25e68da 100644 --- a/fs/xfs/xfs_reflink.h +++ b/fs/xfs/xfs_reflink.h @@ -35,6 +35,8 @@ int xfs_reflink_allocate_cow(struct xfs_inode *ip, struct xfs_bmbt_irec *imap, bool convert_now); extern int xfs_reflink_convert_cow(struct xfs_inode *ip, xfs_off_t offset, xfs_off_t count); +int xfs_find_trim_cow_extent(struct xfs_inode *ip, struct xfs_bmbt_irec *imap, + struct xfs_bmbt_irec *cmap, bool *shared, bool *found); extern int xfs_reflink_cancel_cow_blocks(struct xfs_inode *ip, struct xfs_trans **tpp, xfs_fileoff_t offset_fsb, -- 2.31.1
