diff mbox series

[12/38] btrfs-progs: sync memcpy_extent_buffer from the kernel

Message ID 8e6df00ffbccac1dd1b23162acbaa9ed9e91e165.1692800904.git.josef@toxicpanda.com (mailing list archive)
State New, archived
Headers show
Series btrfs-progs: sync ctree.c into btrfs-progs | expand

Commit Message

Josef Bacik Aug. 23, 2023, 2:32 p.m. UTC 
We use this in ctree.c in the kernel, so sync this helper into
btrfs-progs to make sync'ing ctree.c easier.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
---
 kernel-shared/extent_io.c | 6 ++++++
 kernel-shared/extent_io.h | 3 +++
 2 files changed, 9 insertions(+)
diff mbox series

Patch

diff --git a/kernel-shared/extent_io.c b/kernel-shared/extent_io.c
index 503b63e2..a085c2e6 100644
--- a/kernel-shared/extent_io.c
+++ b/kernel-shared/extent_io.c
@@ -641,6 +641,12 @@  void copy_extent_buffer(const struct extent_buffer *dst,
 	memcpy((void *)dst->data + dst_offset, src->data + src_offset, len);
 }
 
+void memcpy_extent_buffer(const struct extent_buffer *dst, unsigned long dst_offset,
+			  unsigned long src_offset, unsigned long len)
+{
+	memcpy((void *)dst->data + dst_offset, dst->data + src_offset, len);
+}
+
 void memmove_extent_buffer(const struct extent_buffer *dst, unsigned long dst_offset,
 			   unsigned long src_offset, unsigned long len)
 {
diff --git a/kernel-shared/extent_io.h b/kernel-shared/extent_io.h
index 243ffe74..59be49ae 100644
--- a/kernel-shared/extent_io.h
+++ b/kernel-shared/extent_io.h
@@ -121,6 +121,9 @@  void copy_extent_buffer(const struct extent_buffer *dst,
 			const struct extent_buffer *src,
 			unsigned long dst_offset, unsigned long src_offset,
 			unsigned long len);
+void memcpy_extent_buffer(const struct extent_buffer *dst,
+			  unsigned long dst_offset, unsigned long src_offset,
+			  unsigned long len);
 void memmove_extent_buffer(const struct extent_buffer *dst,
 			   const unsigned long dst_offset,
 			   unsigned long src_offset, unsigned long len);