Commit dcd04ea5 authored by Kassey Li's avatar Kassey Li Committed by Christian Brauner
Browse files

iomap: Add processed for iomap_iter 



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: default avatarKassey Li <quic_yingangl@quicinc.com>
Link: https://lore.kernel.org/r/20240219021138.3481763-1-quic_yingangl@quicinc.com


Reviewed-by: default avatarDarrick J. Wong <djwong@kernel.org>
Signed-off-by: default avatarChristian Brauner <brauner@kernel.org>
parent 54943abc

fs/iomap/trace.h

+4 −1
Original line number Diff line number Diff line
@@ -206,6 +206,7 @@ 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)
@@ -215,15 +216,17 @@ 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,