1 files changed, 51 insertions, 0 deletions
diff --git a/libbcachefs/error.c b/libbcachefs/error.c
new file mode 100644
index 00000000..8babf196
--- /dev/null
+++ b/libbcachefs/error.c
@@ -0,0 +1,51 @@
+#include "bcachefs.h"
+#include "error.h"
+#include "io.h"
+#include "super.h"
+
+void bch2_inconsistent_error(struct bch_fs *c)
+{
+	set_bit(BCH_FS_ERROR, &c->flags);
+
+	switch (c->opts.errors) {
+	case BCH_ON_ERROR_CONTINUE:
+		break;
+	case BCH_ON_ERROR_RO:
+		if (bch2_fs_emergency_read_only(c))
+			bch_err(c, "emergency read only");
+		break;
+	case BCH_ON_ERROR_PANIC:
+		panic(bch2_fmt(c, "panic after error"));
+		break;
+	}
+}
+
+void bch2_fatal_error(struct bch_fs *c)
+{
+	if (bch2_fs_emergency_read_only(c))
+		bch_err(c, "emergency read only");
+}
+
+void bch2_nonfatal_io_error_work(struct work_struct *work)
+{
+	struct bch_dev *ca = container_of(work, struct bch_dev, io_error_work);
+	struct bch_fs *c = ca->fs;
+	bool dev;
+
+	mutex_lock(&c->state_lock);
+	dev = bch2_dev_state_allowed(c, ca, BCH_MEMBER_STATE_RO,
+				    BCH_FORCE_IF_DEGRADED);
+	if (dev
+	    ? __bch2_dev_set_state(c, ca, BCH_MEMBER_STATE_RO,
+				  BCH_FORCE_IF_DEGRADED)
+	    : bch2_fs_emergency_read_only(c))
+		bch_err(ca,
+			"too many IO errors, setting %s RO",
+			dev ? "device" : "filesystem");
+	mutex_unlock(&c->state_lock);
+}
+
+void bch2_nonfatal_io_error(struct bch_dev *ca)
+{
+	queue_work(system_long_wq, &ca->io_error_work);
+}