@@ -560,12 +560,10 @@ xfs_file_iomap_begin_delay(
if (xfs_is_reflink_inode(ip) &&
((flags & IOMAP_WRITE) ||
got.br_state != XFS_EXT_UNWRITTEN)) {
- bool shared;
-
end_fsb = min(XFS_B_TO_FSB(mp, offset + count),
maxbytes_fsb);
xfs_trim_extent(&got, offset_fsb, end_fsb - offset_fsb);
- error = xfs_reflink_reserve_cow(ip, &got, &shared);
+ error = xfs_reflink_reserve_cow(ip, &got);
if (error)
goto out_unlock;
}
@@ -241,7 +241,7 @@ xfs_reflink_trim_around_shared(
/*
* Trim the passed in imap to the next shared/unshared extent boundary, and
* if imap->br_startoff points to a shared extent reserve space for it in the
- * COW fork. In this case *shared is set to true, else to false.
+ * COW fork.
*
* Note that imap will always contain the block numbers for the existing blocks
* in the data fork, as the upper layers need them for read-modify-write
@@ -250,14 +250,14 @@ xfs_reflink_trim_around_shared(
int
xfs_reflink_reserve_cow(
struct xfs_inode *ip,
- struct xfs_bmbt_irec *imap,
- bool *shared)
+ struct xfs_bmbt_irec *imap)
{
struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, XFS_COW_FORK);
struct xfs_bmbt_irec got;
int error = 0;
bool eof = false, trimmed;
struct xfs_iext_cursor icur;
+ bool shared;
/*
* Search the COW fork extent list first. This serves two purposes:
@@ -273,18 +273,16 @@ xfs_reflink_reserve_cow(
if (!eof && got.br_startoff <= imap->br_startoff) {
trace_xfs_reflink_cow_found(ip, imap);
xfs_trim_extent(imap, got.br_startoff, got.br_blockcount);
-
- *shared = true;
return 0;
}
/* Trim the mapping to the nearest shared extent boundary. */
- error = xfs_reflink_trim_around_shared(ip, imap, shared, &trimmed);
+ error = xfs_reflink_trim_around_shared(ip, imap, &shared, &trimmed);
if (error)
return error;
/* Not shared? Just report the (potentially capped) extent. */
- if (!*shared)
+ if (!shared)
return 0;
/*
@@ -13,7 +13,7 @@ extern int xfs_reflink_trim_around_shared(struct xfs_inode *ip,
struct xfs_bmbt_irec *irec, bool *shared, bool *trimmed);
extern int xfs_reflink_reserve_cow(struct xfs_inode *ip,
- struct xfs_bmbt_irec *imap, bool *shared);
+ struct xfs_bmbt_irec *imap);
extern int xfs_reflink_allocate_cow(struct xfs_inode *ip,
struct xfs_bmbt_irec *imap, bool *shared, uint *lockmode);
extern int xfs_reflink_convert_cow(struct xfs_inode *ip, xfs_off_t offset,
Signed-off-by: Christoph Hellwig <hch@lst.de> --- fs/xfs/xfs_iomap.c | 4 +--- fs/xfs/xfs_reflink.c | 12 +++++------- fs/xfs/xfs_reflink.h | 2 +- 3 files changed, 7 insertions(+), 11 deletions(-)