From: Darrick J. Wong <djwong@xxxxxxxxxx>
Now that we have an explicit enum for shared and CoW staging extents, we
can get rid of the old FIND_RCEXT flags.
Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
---
fs/xfs/libxfs/xfs_refcount.c | 48 +++++++++++++++---------------------------
1 file changed, 17 insertions(+), 31 deletions(-)
diff --git a/fs/xfs/libxfs/xfs_refcount.c b/fs/xfs/libxfs/xfs_refcount.c
index 586c58b5a557..3b1cb0578770 100644
--- a/fs/xfs/libxfs/xfs_refcount.c
+++ b/fs/xfs/libxfs/xfs_refcount.c
@@ -622,8 +622,6 @@ xfs_refcount_merge_right_extent(
return error;
}
-#define XFS_FIND_RCEXT_SHARED 1
-#define XFS_FIND_RCEXT_COW 2
/*
* Find the left extent and the one after it (cleft). This function assumes
* that we've already split any extent crossing agbno.
@@ -633,20 +631,14 @@ xfs_refcount_find_left_extents(
struct xfs_btree_cur *cur,
struct xfs_refcount_irec *left,
struct xfs_refcount_irec *cleft,
+ enum xfs_refc_domain domain,
xfs_agblock_t agbno,
- xfs_extlen_t aglen,
- int flags)
+ xfs_extlen_t aglen)
{
struct xfs_refcount_irec tmp;
- enum xfs_refc_domain domain;
int error;
int found_rec;
- if (flags & XFS_FIND_RCEXT_SHARED)
- domain = XFS_REFC_DOMAIN_SHARED;
- else
- domain = XFS_REFC_DOMAIN_COW;
-
left->rc_startblock = cleft->rc_startblock = NULLAGBLOCK;
error = xfs_refcount_lookup_le(cur, domain, agbno - 1, &found_rec);
if (error)
@@ -664,9 +656,9 @@ xfs_refcount_find_left_extents(
if (xfs_refc_next(&tmp) != agbno)
return 0;
- if ((flags & XFS_FIND_RCEXT_SHARED) && tmp.rc_refcount < 2)
+ if (domain == XFS_REFC_DOMAIN_SHARED && tmp.rc_refcount < 2)
return 0;
- if ((flags & XFS_FIND_RCEXT_COW) && tmp.rc_refcount > 1)
+ if (domain == XFS_REFC_DOMAIN_COW && tmp.rc_refcount > 1)
return 0;
/* We have a left extent; retrieve (or invent) the next right one */
*left = tmp;
@@ -730,20 +722,14 @@ xfs_refcount_find_right_extents(
struct xfs_btree_cur *cur,
struct xfs_refcount_irec *right,
struct xfs_refcount_irec *cright,
+ enum xfs_refc_domain domain,
xfs_agblock_t agbno,
- xfs_extlen_t aglen,
- int flags)
+ xfs_extlen_t aglen)
{
struct xfs_refcount_irec tmp;
- enum xfs_refc_domain domain;
int error;
int found_rec;
- if (flags & XFS_FIND_RCEXT_SHARED)
- domain = XFS_REFC_DOMAIN_SHARED;
- else
- domain = XFS_REFC_DOMAIN_COW;
-
right->rc_startblock = cright->rc_startblock = NULLAGBLOCK;
error = xfs_refcount_lookup_ge(cur, domain, agbno + aglen, &found_rec);
if (error)
@@ -761,9 +747,9 @@ xfs_refcount_find_right_extents(
if (tmp.rc_startblock != agbno + aglen)
return 0;
- if ((flags & XFS_FIND_RCEXT_SHARED) && tmp.rc_refcount < 2)
+ if (domain == XFS_REFC_DOMAIN_SHARED && tmp.rc_refcount < 2)
return 0;
- if ((flags & XFS_FIND_RCEXT_COW) && tmp.rc_refcount > 1)
+ if (domain == XFS_REFC_DOMAIN_COW && tmp.rc_refcount > 1)
return 0;
/* We have a right extent; retrieve (or invent) the next left one */
*right = tmp;
@@ -832,10 +818,10 @@ xfs_refc_valid(
STATIC int
xfs_refcount_merge_extents(
struct xfs_btree_cur *cur,
+ enum xfs_refc_domain domain,
xfs_agblock_t *agbno,
xfs_extlen_t *aglen,
enum xfs_refc_adjust_op adjust,
- int flags,
bool *shape_changed)
{
struct xfs_refcount_irec left = {0}, cleft = {0};
@@ -850,12 +836,12 @@ xfs_refcount_merge_extents(
* just below (agbno + aglen) [cright], and just above (agbno + aglen)
* [right].
*/
- error = xfs_refcount_find_left_extents(cur, &left, &cleft, *agbno,
- *aglen, flags);
+ error = xfs_refcount_find_left_extents(cur, &left, &cleft, domain,
+ *agbno, *aglen);
if (error)
return error;
- error = xfs_refcount_find_right_extents(cur, &right, &cright, *agbno,
- *aglen, flags);
+ error = xfs_refcount_find_right_extents(cur, &right, &cright, domain,
+ *agbno, *aglen);
if (error)
return error;
@@ -1144,8 +1130,8 @@ xfs_refcount_adjust(
/*
* Try to merge with the left or right extents of the range.
*/
- error = xfs_refcount_merge_extents(cur, new_agbno, new_aglen, adj,
- XFS_FIND_RCEXT_SHARED, &shape_changed);
+ error = xfs_refcount_merge_extents(cur, XFS_REFC_DOMAIN_SHARED,
+ new_agbno, new_aglen, adj, &shape_changed);
if (error)
goto out_error;
if (shape_changed)
@@ -1665,8 +1651,8 @@ xfs_refcount_adjust_cow(
/*
* Try to merge with the left or right extents of the range.
*/
- error = xfs_refcount_merge_extents(cur, &agbno, &aglen, adj,
- XFS_FIND_RCEXT_COW, &shape_changed);
+ error = xfs_refcount_merge_extents(cur, XFS_REFC_DOMAIN_COW, &agbno,
+ &aglen, adj, &shape_changed);
if (error)
goto out_error;
