It makes it more readable for length checking
Signed-off-by: Dāvis Mosāns <[email protected]>
---
fs/btrfs/lzo.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/fs/btrfs/lzo.c b/fs/btrfs/lzo.c
index 0fb90cbe7669..31319dfcc9fb 100644
--- a/fs/btrfs/lzo.c
+++ b/fs/btrfs/lzo.c
@@ -55,6 +55,9 @@
* 0x1000 | SegHdr N+1| Data payload N+1 ... |
*/
+#define WORKSPACE_BUF_LENGTH lzo1x_worst_compress(PAGE_SIZE)
+#define WORKSPACE_CBUF_LENGTH lzo1x_worst_compress(PAGE_SIZE)
+
struct workspace {
void *mem;
void *buf; /* where decompressed data goes */
@@ -83,8 +86,8 @@ struct list_head *lzo_alloc_workspace(unsigned int level)
return ERR_PTR(-ENOMEM);
workspace->mem = kvmalloc(LZO1X_MEM_COMPRESS, GFP_KERNEL);
- workspace->buf = kvmalloc(lzo1x_worst_compress(PAGE_SIZE), GFP_KERNEL);
- workspace->cbuf = kvmalloc(lzo1x_worst_compress(PAGE_SIZE), GFP_KERNEL);
+ workspace->buf = kvmalloc(WORKSPACE_BUF_LENGTH, GFP_KERNEL);
+ workspace->cbuf = kvmalloc(WORKSPACE_CBUF_LENGTH, GFP_KERNEL);
if (!workspace->mem || !workspace->buf || !workspace->cbuf)
goto fail;
@@ -422,7 +425,7 @@ int lzo_decompress(struct list_head *ws, unsigned char *data_in,
struct workspace *workspace = list_entry(ws, struct workspace, list);
size_t in_len;
size_t out_len;
- size_t max_segment_len = lzo1x_worst_compress(PAGE_SIZE);
+ size_t max_segment_len = WORKSPACE_BUF_LENGTH;
int ret = 0;
char *kaddr;
unsigned long bytes;
--
2.35.1