diff mbox series

[v3,25/29] btrfs-progs: make write_extent_buffer take a const eb

Message ID f06e555fe307ed805ccb65d1df4a36166658d205.1669242804.git.josef@toxicpanda.com (mailing list archive)
State New, archived
Headers show
Series prep and initial sync of kernel code | expand

Commit Message

Josef Bacik Nov. 23, 2022, 10:37 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 7074b75f..6f97312b 100644
--- a/kernel-shared/extent_io.c
+++ b/kernel-shared/extent_io.c
@@ -1059,10 +1059,10 @@  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 88fb6171..d824d467 100644
--- a/kernel-shared/extent_io.h
+++ b/kernel-shared/extent_io.h
@@ -145,7 +145,7 @@  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,