bmap and refcount intent processing associates a dfops from the
caller with a local transaction to collect all deferred items for
post-processing. Use the internal dfops in both of these functions
and move the deferred items to the parent dfops before the
transaction commits.
Signed-off-by: Brian Foster <bfoster@xxxxxxxxxx>
---
fs/xfs/xfs_bmap_item.c | 21 +++++++++++----------
fs/xfs/xfs_log_recover.c | 6 +++---
fs/xfs/xfs_refcount_item.c | 30 ++++++++++++++++--------------
3 files changed, 30 insertions(+), 27 deletions(-)
diff --git a/fs/xfs/xfs_bmap_item.c b/fs/xfs/xfs_bmap_item.c
index 478bfc798861..bc5eb2e0ab0c 100644
--- a/fs/xfs/xfs_bmap_item.c
+++ b/fs/xfs/xfs_bmap_item.c
@@ -441,7 +441,12 @@ xfs_bui_recover(
XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK), 0, 0, &tp);
if (error)
return error;
- tp->t_dfops = dfops;
+ /*
+ * Recovery stashes all deferred ops during intent processing and
+ * finishes them on completion. Transfer current dfops state to this
+ * transaction and transfer the result back before we return.
+ */
+ xfs_defer_move(tp->t_dfops, dfops);
budp = xfs_trans_get_bud(tp, buip);
/* Grab the inode. */
@@ -470,7 +475,7 @@ xfs_bui_recover(
xfs_trans_ijoin(tp, ip, 0);
count = bmap->me_len;
- error = xfs_trans_log_finish_bmap_update(tp, budp, dfops, type,
+ error = xfs_trans_log_finish_bmap_update(tp, budp, tp->t_dfops, type,
ip, whichfork, bmap->me_startoff,
bmap->me_startblock, &count, state);
if (error)
@@ -482,18 +487,14 @@ xfs_bui_recover(
irec.br_blockcount = count;
irec.br_startoff = bmap->me_startoff;
irec.br_state = state;
- error = xfs_bmap_unmap_extent(tp->t_mountp, dfops, ip, &irec);
+ error = xfs_bmap_unmap_extent(tp->t_mountp, tp->t_dfops, ip,
+ &irec);
if (error)
goto err_inode;
}
set_bit(XFS_BUI_RECOVERED, &buip->bui_flags);
- /*
- * Recovery finishes all deferred ops once intent processing is
- * complete. Reset the trans reference because commit expects a finished
- * dfops or none at all.
- */
- tp->t_dfops = NULL;
+ xfs_defer_move(dfops, tp->t_dfops);
error = xfs_trans_commit(tp);
xfs_iunlock(ip, XFS_ILOCK_EXCL);
IRELE(ip);
@@ -501,7 +502,7 @@ xfs_bui_recover(
return error;
err_inode:
- tp->t_dfops = NULL;
+ xfs_defer_move(dfops, tp->t_dfops);
xfs_trans_cancel(tp);
if (ip) {
xfs_iunlock(ip, XFS_ILOCK_EXCL);
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 3289811eb076..958e9b96dc6a 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -4854,10 +4854,10 @@ xlog_finish_defer_ops(
0, XFS_TRANS_RESERVE, &tp);
if (error)
return error;
- /* dfops is already populated so assign it manually */
- tp->t_dfops = dfops;
+ /* transfer all collected dfops to this transaction */
+ xfs_defer_move(tp->t_dfops, dfops);
- error = xfs_defer_finish(&tp, dfops);
+ error = xfs_defer_finish(&tp, tp->t_dfops);
if (error)
goto out_cancel;
diff --git a/fs/xfs/xfs_refcount_item.c b/fs/xfs/xfs_refcount_item.c
index 2064c689bc72..d3582a06626f 100644
--- a/fs/xfs/xfs_refcount_item.c
+++ b/fs/xfs/xfs_refcount_item.c
@@ -452,7 +452,12 @@ xfs_cui_recover(
mp->m_refc_maxlevels * 2, 0, XFS_TRANS_RESERVE, &tp);
if (error)
return error;
- tp->t_dfops = dfops;
+ /*
+ * Recovery stashes all deferred ops during intent processing and
+ * finishes them on completion. Transfer current dfops state to this
+ * transaction and transfer the result back before we return.
+ */
+ xfs_defer_move(tp->t_dfops, dfops);
cudp = xfs_trans_get_cud(tp, cuip);
for (i = 0; i < cuip->cui_format.cui_nextents; i++) {
@@ -474,8 +479,8 @@ xfs_cui_recover(
new_len = refc->pe_len;
} else
error = xfs_trans_log_finish_refcount_update(tp, cudp,
- dfops, type, refc->pe_startblock, refc->pe_len,
- &new_fsb, &new_len, &rcur);
+ tp->t_dfops, type, refc->pe_startblock,
+ refc->pe_len, &new_fsb, &new_len, &rcur);
if (error)
goto abort_error;
@@ -486,21 +491,23 @@ xfs_cui_recover(
switch (type) {
case XFS_REFCOUNT_INCREASE:
error = xfs_refcount_increase_extent(
- tp->t_mountp, dfops, &irec);
+ tp->t_mountp, tp->t_dfops,
+ &irec);
break;
case XFS_REFCOUNT_DECREASE:
error = xfs_refcount_decrease_extent(
- tp->t_mountp, dfops, &irec);
+ tp->t_mountp, tp->t_dfops,
+ &irec);
break;
case XFS_REFCOUNT_ALLOC_COW:
error = xfs_refcount_alloc_cow_extent(
- tp->t_mountp, dfops,
+ tp->t_mountp, tp->t_dfops,
irec.br_startblock,
irec.br_blockcount);
break;
case XFS_REFCOUNT_FREE_COW:
error = xfs_refcount_free_cow_extent(
- tp->t_mountp, dfops,
+ tp->t_mountp, tp->t_dfops,
irec.br_startblock,
irec.br_blockcount);
break;
@@ -515,18 +522,13 @@ xfs_cui_recover(
xfs_refcount_finish_one_cleanup(tp, rcur, error);
set_bit(XFS_CUI_RECOVERED, &cuip->cui_flags);
- /*
- * Recovery finishes all deferred ops once intent processing is
- * complete. Reset the trans reference because commit expects a finished
- * dfops or none at all.
- */
- tp->t_dfops = NULL;
+ xfs_defer_move(dfops, tp->t_dfops);
error = xfs_trans_commit(tp);
return error;
abort_error:
xfs_refcount_finish_one_cleanup(tp, rcur, error);
- tp->t_dfops = NULL;
+ xfs_defer_move(dfops, tp->t_dfops);
xfs_trans_cancel(tp);
return error;
}
--
2.17.1
--
To unsubscribe from this list: send the line "unsubscribe linux-xfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
