[PATCH 09/10] xfs: whiteouts release intents that are not in the AIL

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From: Dave Chinner <dchinner@xxxxxxxxxx>

When we release an intent that a whiteout applies to, it will not
have been committed to the journal and so won't be in the AIL. Hence
when we drop the last reference to the intent, we do not want to try
to remove it from the AIL as that will trigger a filesystem
shutdown. Hence make the removal of intents from the AIL conditional
on them actually being in the AIL so we do the correct thing.

Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
Reviewed-by: Allison Henderson <allison.henderson@xxxxxxxxxx>
Reviewed-by: Darrick J. Wong <djwong@xxxxxxxxxx>
---
 fs/xfs/xfs_bmap_item.c     | 9 +++++----
 fs/xfs/xfs_extfree_item.c  | 9 +++++----
 fs/xfs/xfs_refcount_item.c | 9 +++++----
 fs/xfs/xfs_rmap_item.c     | 9 +++++----
 4 files changed, 20 insertions(+), 16 deletions(-)

diff --git a/fs/xfs/xfs_bmap_item.c b/fs/xfs/xfs_bmap_item.c
index f05663fdb6ff..51f66e982484 100644
--- a/fs/xfs/xfs_bmap_item.c
+++ b/fs/xfs/xfs_bmap_item.c
@@ -55,10 +55,11 @@ xfs_bui_release(
 	struct xfs_bui_log_item	*buip)
 {
 	ASSERT(atomic_read(&buip->bui_refcount) > 0);
-	if (atomic_dec_and_test(&buip->bui_refcount)) {
-		xfs_trans_ail_delete(&buip->bui_item, SHUTDOWN_LOG_IO_ERROR);
-		xfs_bui_item_free(buip);
-	}
+	if (!atomic_dec_and_test(&buip->bui_refcount))
+		return;
+
+	xfs_trans_ail_delete(&buip->bui_item, 0);
+	xfs_bui_item_free(buip);
 }
 
 
diff --git a/fs/xfs/xfs_extfree_item.c b/fs/xfs/xfs_extfree_item.c
index 032db5269e97..765be054dffe 100644
--- a/fs/xfs/xfs_extfree_item.c
+++ b/fs/xfs/xfs_extfree_item.c
@@ -58,10 +58,11 @@ xfs_efi_release(
 	struct xfs_efi_log_item	*efip)
 {
 	ASSERT(atomic_read(&efip->efi_refcount) > 0);
-	if (atomic_dec_and_test(&efip->efi_refcount)) {
-		xfs_trans_ail_delete(&efip->efi_item, SHUTDOWN_LOG_IO_ERROR);
-		xfs_efi_item_free(efip);
-	}
+	if (!atomic_dec_and_test(&efip->efi_refcount))
+		return;
+
+	xfs_trans_ail_delete(&efip->efi_item, 0);
+	xfs_efi_item_free(efip);
 }
 
 /*
diff --git a/fs/xfs/xfs_refcount_item.c b/fs/xfs/xfs_refcount_item.c
index 57a025f5fd4b..7e97bf19793d 100644
--- a/fs/xfs/xfs_refcount_item.c
+++ b/fs/xfs/xfs_refcount_item.c
@@ -54,10 +54,11 @@ xfs_cui_release(
 	struct xfs_cui_log_item	*cuip)
 {
 	ASSERT(atomic_read(&cuip->cui_refcount) > 0);
-	if (atomic_dec_and_test(&cuip->cui_refcount)) {
-		xfs_trans_ail_delete(&cuip->cui_item, SHUTDOWN_LOG_IO_ERROR);
-		xfs_cui_item_free(cuip);
-	}
+	if (!atomic_dec_and_test(&cuip->cui_refcount))
+		return;
+
+	xfs_trans_ail_delete(&cuip->cui_item, 0);
+	xfs_cui_item_free(cuip);
 }
 
 
diff --git a/fs/xfs/xfs_rmap_item.c b/fs/xfs/xfs_rmap_item.c
index 1c7d8518cb48..fef92e02f3bb 100644
--- a/fs/xfs/xfs_rmap_item.c
+++ b/fs/xfs/xfs_rmap_item.c
@@ -54,10 +54,11 @@ xfs_rui_release(
 	struct xfs_rui_log_item	*ruip)
 {
 	ASSERT(atomic_read(&ruip->rui_refcount) > 0);
-	if (atomic_dec_and_test(&ruip->rui_refcount)) {
-		xfs_trans_ail_delete(&ruip->rui_item, SHUTDOWN_LOG_IO_ERROR);
-		xfs_rui_item_free(ruip);
-	}
+	if (!atomic_dec_and_test(&ruip->rui_refcount))
+		return;
+
+	xfs_trans_ail_delete(&ruip->rui_item, 0);
+	xfs_rui_item_free(ruip);
 }
 
 STATIC void
-- 
2.35.1




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