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-rw-r--r--fs/xfs/scrub/common.c4
-rw-r--r--fs/xfs/xfs_aops.c7
-rw-r--r--fs/xfs/xfs_icache.c8
-rw-r--r--fs/xfs/xfs_trans.h9
4 files changed, 7 insertions, 21 deletions
diff --git a/fs/xfs/scrub/common.c b/fs/xfs/scrub/common.c
index abff79a77c72..47a20cf5205f 100644
--- a/fs/xfs/scrub/common.c
+++ b/fs/xfs/scrub/common.c
@@ -1044,9 +1044,7 @@ xchk_irele(
struct xfs_scrub *sc,
struct xfs_inode *ip)
{
- if (current->journal_info != NULL) {
- ASSERT(current->journal_info == sc->tp);
-
+ if (sc->tp) {
/*
* If we are in a transaction, we /cannot/ drop the inode
* ourselves, because the VFS will trigger writeback, which
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 1698507d1ac7..3f428620ebf2 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -503,13 +503,6 @@ xfs_vm_writepages(
{
struct xfs_writepage_ctx wpc = { };
- /*
- * Writing back data in a transaction context can result in recursive
- * transactions. This is bad, so issue a warning and get out of here.
- */
- if (WARN_ON_ONCE(current->journal_info))
- return 0;
-
xfs_iflags_clear(XFS_I(mapping->host), XFS_ITRUNCATED);
return iomap_writepages(mapping, wbc, &wpc.ctx, &xfs_writeback_ops);
}
diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c
index e64265bc0b33..74f1812b03cb 100644
--- a/fs/xfs/xfs_icache.c
+++ b/fs/xfs/xfs_icache.c
@@ -2039,8 +2039,10 @@ xfs_inodegc_want_queue_work(
* - Memory shrinkers queued the inactivation worker and it hasn't finished.
* - The queue depth exceeds the maximum allowable percpu backlog.
*
- * Note: If the current thread is running a transaction, we don't ever want to
- * wait for other transactions because that could introduce a deadlock.
+ * Note: If we are in a NOFS context here (e.g. current thread is running a
+ * transaction) the we don't want to block here as inodegc progress may require
+ * filesystem resources we hold to make progress and that could result in a
+ * deadlock. Hence we skip out of here if we are in a scoped NOFS context.
*/
static inline bool
xfs_inodegc_want_flush_work(
@@ -2048,7 +2050,7 @@ xfs_inodegc_want_flush_work(
unsigned int items,
unsigned int shrinker_hits)
{
- if (current->journal_info)
+ if (current->flags & PF_MEMALLOC_NOFS)
return false;
if (shrinker_hits > 0)
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index 3f7e3a09a49f..1636663707dc 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -268,19 +268,14 @@ static inline void
xfs_trans_set_context(
struct xfs_trans *tp)
{
- ASSERT(current->journal_info == NULL);
tp->t_pflags = memalloc_nofs_save();
- current->journal_info = tp;
}
static inline void
xfs_trans_clear_context(
struct xfs_trans *tp)
{
- if (current->journal_info == tp) {
- memalloc_nofs_restore(tp->t_pflags);
- current->journal_info = NULL;
- }
+ memalloc_nofs_restore(tp->t_pflags);
}
static inline void
@@ -288,10 +283,8 @@ xfs_trans_switch_context(
struct xfs_trans *old_tp,
struct xfs_trans *new_tp)
{
- ASSERT(current->journal_info == old_tp);
new_tp->t_pflags = old_tp->t_pflags;
old_tp->t_pflags = 0;
- current->journal_info = new_tp;
}
#endif /* __XFS_TRANS_H__ */