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author | David Sterba <dsterba@suse.com> | 2017-02-14 17:58:04 +0100 |
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committer | David Sterba <dsterba@suse.com> | 2017-02-28 14:26:07 +0100 |
commit | 14a3357b4097d94ac6401c597abc2d02965e0fdd (patch) | |
tree | 93f5982319bbfe08810185052ce6b1e3b1aa13a2 /fs | |
parent | 9ed573674ae607bc616c804657bfaf5b6ea5889d (diff) | |
download | linux-stable-14a3357b4097d94ac6401c597abc2d02965e0fdd.tar.gz linux-stable-14a3357b4097d94ac6401c597abc2d02965e0fdd.tar.bz2 linux-stable-14a3357b4097d94ac6401c597abc2d02965e0fdd.zip |
btrfs: constify buffers used by compression helpers
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs')
-rw-r--r-- | fs/btrfs/compression.c | 2 | ||||
-rw-r--r-- | fs/btrfs/compression.h | 2 | ||||
-rw-r--r-- | 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 f32e86b61240..d426e4a10b2b 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; |