processed: The number of bytes processed by the body in the
most recent iteration, or a negative errno. 0 causes the iteration to
stop.
The processed is useful to check when the loop breaks.
Signed-off-by: Kassey Li <quic_yingangl@xxxxxxxxxxx>
---
fs/iomap/trace.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/fs/iomap/trace.h b/fs/iomap/trace.h
index c16fd55f5595..ff87ac58b6b7 100644
--- a/fs/iomap/trace.h
+++ b/fs/iomap/trace.h
@@ -165,6 +165,7 @@ TRACE_EVENT(iomap_iter,
__field(u64, ino)
__field(loff_t, pos)
__field(u64, length)
+ __field(s64, processed)
__field(unsigned int, flags)
__field(const void *, ops)
__field(unsigned long, caller)
@@ -174,15 +175,17 @@ TRACE_EVENT(iomap_iter,
__entry->ino = iter->inode->i_ino;
__entry->pos = iter->pos;
__entry->length = iomap_length(iter);
+ __entry->processed = iter->processed;
__entry->flags = iter->flags;
__entry->ops = ops;
__entry->caller = caller;
),
- TP_printk("dev %d:%d ino 0x%llx pos 0x%llx length 0x%llx flags %s (0x%x) ops %ps caller %pS",
+ TP_printk("dev %d:%d ino 0x%llx pos 0x%llx length 0x%llx processed %lld flags %s (0x%x) ops %ps caller %pS",
MAJOR(__entry->dev), MINOR(__entry->dev),
__entry->ino,
__entry->pos,
__entry->length,
+ __entry->processed,
__print_flags(__entry->flags, "|", IOMAP_FLAGS_STRINGS),
__entry->flags,
__entry->ops,
--
2.25.1
