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xfs: remove XFS_FIND_RCEXT_SHARED and _COW

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Now that we have an explicit enum for shared and CoW staging extents, we
can get rid of the old FIND_RCEXT flags.  Omit a couple of conversions
that disappear in the next patches.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
This commit is contained in:
Darrick J. Wong 2022-10-26 14:42:48 -07:00
parent f492135df0
commit 68d0f38917
1 changed files with 17 additions and 31 deletions
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48
fs/xfs/libxfs/xfs_refcount.c
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@ -617,8 +617,6 @@ out_error:
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.
@ -628,20 +626,14 @@ 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)
@ -659,9 +651,9 @@ 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;
@ -725,20 +717,14 @@ 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)
@ -756,9 +742,9 @@ 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;
@ -827,10 +813,10 @@ 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};
@ -845,12 +831,12 @@ 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;
@ -1139,8 +1125,8 @@ 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)
@ -1650,8 +1636,8 @@ 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;