diff mbox series

[v2,17/18] btrfs-progs: make write_extent_buffer take a const eb

Message ID c5fdbccc1df24a08281ca8405f92c809d8837bd2.1668526161.git.josef@toxicpanda.com (mailing list archive)
State New, archived
Headers show
Series btrfs-progs: prep and initial sync of kernel code | expand

Commit Message

Josef Bacik Nov. 15, 2022, 3:31 p.m. UTC 
This is what we do in the kernel, and while we're syncing individual
files we're going to have state where some callers are using a const,
but progs isn't.  So adjust write_extent_buffer to take a const eb in
order to make this less painful.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
---
 kernel-shared/extent_io.c | 4 ++--
 kernel-shared/extent_io.h | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/kernel-shared/extent_io.c b/kernel-shared/extent_io.c
index dfc42a90..30dfb76d 100644
--- a/kernel-shared/extent_io.c
+++ b/kernel-shared/extent_io.c
@@ -1073,10 +1073,10 @@  void read_extent_buffer(const struct extent_buffer *eb, void *dst,
 	memcpy(dst, eb->data + start, len);
 }
 
-void write_extent_buffer(struct extent_buffer *eb, const void *src,
+void write_extent_buffer(const struct extent_buffer *eb, const void *src,
 			 unsigned long start, unsigned long len)
 {
-	memcpy(eb->data + start, src, len);
+	memcpy((void *)eb->data + start, src, len);
 }
 
 void copy_extent_buffer(struct extent_buffer *dst, struct extent_buffer *src,
diff --git a/kernel-shared/extent_io.h b/kernel-shared/extent_io.h
index ccdf768c..f4697877 100644
--- a/kernel-shared/extent_io.h
+++ b/kernel-shared/extent_io.h
@@ -144,7 +144,7 @@  int memcmp_extent_buffer(const struct extent_buffer *eb, const void *ptrv,
 			 unsigned long start, unsigned long len);
 void read_extent_buffer(const struct extent_buffer *eb, void *dst,
 			unsigned long start, unsigned long len);
-void write_extent_buffer(struct extent_buffer *eb, const void *src,
+void write_extent_buffer(const struct extent_buffer *eb, const void *src,
 			 unsigned long start, unsigned long len);
 void copy_extent_buffer(struct extent_buffer *dst, struct extent_buffer *src,
 			unsigned long dst_offset, unsigned long src_offset,