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-rw-r--r--fs/xfs/xfs_icache.c28
-rw-r--r--fs/xfs/xfs_icache.h1
-rw-r--r--fs/xfs/xfs_trace.h1
-rw-r--r--fs/xfs/xfs_trans.c5
4 files changed, 31 insertions, 4 deletions
diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c
index 41bd84fd9e87..93ab83dfa36e 100644
--- a/fs/xfs/xfs_icache.c
+++ b/fs/xfs/xfs_icache.c
@@ -1501,6 +1501,34 @@ xfs_blockgc_free_space(
}
/*
+ * Reclaim all the free space that we can by scheduling the background blockgc
+ * and inodegc workers immediately and waiting for them all to clear.
+ */
+void
+xfs_blockgc_flush_all(
+ struct xfs_mount *mp)
+{
+ struct xfs_perag *pag;
+ xfs_agnumber_t agno;
+
+ trace_xfs_blockgc_flush_all(mp, __return_address);
+
+ /*
+ * For each blockgc worker, move its queue time up to now. If it
+ * wasn't queued, it will not be requeued. Then flush whatever's
+ * left.
+ */
+ for_each_perag_tag(mp, agno, pag, XFS_ICI_BLOCKGC_TAG)
+ mod_delayed_work(pag->pag_mount->m_blockgc_wq,
+ &pag->pag_blockgc_work, 0);
+
+ for_each_perag_tag(mp, agno, pag, XFS_ICI_BLOCKGC_TAG)
+ flush_delayed_work(&pag->pag_blockgc_work);
+
+ xfs_inodegc_flush(mp);
+}
+
+/*
* Run cow/eofblocks scans on the supplied dquots. We don't know exactly which
* quota caused an allocation failure, so we make a best effort by including
* each quota under low free space conditions (less than 1% free space) in the
diff --git a/fs/xfs/xfs_icache.h b/fs/xfs/xfs_icache.h
index 8175148afd50..18c2d224aa78 100644
--- a/fs/xfs/xfs_icache.h
+++ b/fs/xfs/xfs_icache.h
@@ -59,6 +59,7 @@ int xfs_blockgc_free_dquots(struct xfs_mount *mp, struct xfs_dquot *udqp,
unsigned int iwalk_flags);
int xfs_blockgc_free_quota(struct xfs_inode *ip, unsigned int iwalk_flags);
int xfs_blockgc_free_space(struct xfs_mount *mp, struct xfs_icwalk *icm);
+void xfs_blockgc_flush_all(struct xfs_mount *mp);
void xfs_inode_set_eofblocks_tag(struct xfs_inode *ip);
void xfs_inode_clear_eofblocks_tag(struct xfs_inode *ip);
diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h
index 722c733a88ee..6514590fc3d9 100644
--- a/fs/xfs/xfs_trace.h
+++ b/fs/xfs/xfs_trace.h
@@ -202,6 +202,7 @@ DEFINE_FS_EVENT(xfs_fs_sync_fs);
DEFINE_FS_EVENT(xfs_blockgc_start);
DEFINE_FS_EVENT(xfs_blockgc_stop);
DEFINE_FS_EVENT(xfs_blockgc_worker);
+DEFINE_FS_EVENT(xfs_blockgc_flush_all);
DECLARE_EVENT_CLASS(xfs_ag_class,
TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno),
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index 87bffd12c20c..83abaa219616 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -295,10 +295,7 @@ retry:
* Do not perform a synchronous scan because callers can hold
* other locks.
*/
- error = xfs_blockgc_free_space(mp, NULL);
- if (error)
- return error;
-
+ xfs_blockgc_flush_all(mp);
want_retry = false;
goto retry;
}