Signed-off-by: David Sterba <[email protected]>
---
fs/btrfs/compression.c | 2 +-
fs/btrfs/compression.h | 2 +-
fs/btrfs/lzo.c | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index 903c32c9eb22..c76312405f5c 100644
--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c
@@ -1015,7 +1015,7 @@ void btrfs_exit_compress(void)
*
* total_out is the last byte of the buffer
*/
-int btrfs_decompress_buf2page(char *buf, unsigned long buf_start,
+int btrfs_decompress_buf2page(const char *buf, unsigned long buf_start,
unsigned long total_out, u64 disk_start,
struct bio *bio)
{
diff --git a/fs/btrfs/compression.h b/fs/btrfs/compression.h
index 09879579fbc8..1c700bb20b52 100644
--- a/fs/btrfs/compression.h
+++ b/fs/btrfs/compression.h
@@ -32,7 +32,7 @@ int btrfs_compress_pages(int type, struct address_space
*mapping,
unsigned long max_out);
int btrfs_decompress(int type, unsigned char *data_in, struct page *dest_page,
unsigned long start_byte, size_t srclen, size_t destlen);
-int btrfs_decompress_buf2page(char *buf, unsigned long buf_start,
+int btrfs_decompress_buf2page(const char *buf, unsigned long buf_start,
unsigned long total_out, u64 disk_start,
struct bio *bio);
diff --git a/fs/btrfs/lzo.c b/fs/btrfs/lzo.c
index 45d26980caf9..e074b85aa054 100644
--- a/fs/btrfs/lzo.c
+++ b/fs/btrfs/lzo.c
@@ -76,7 +76,7 @@ static inline void write_compress_length(char *buf, size_t
len)
memcpy(buf, &dlen, LZO_LEN);
}
-static inline size_t read_compress_length(char *buf)
+static inline size_t read_compress_length(const char *buf)
{
__le32 dlen;
--
2.10.1
--
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