lzo1x_1_compress() is unnecessarily used for allocating decompress buffer.

Signed-off-by: Kyungsik Lee <kyungsik....@lge.com>
---
 fs/btrfs/lzo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/btrfs/lzo.c b/fs/btrfs/lzo.c
index 743b86f..223893a 100644
--- a/fs/btrfs/lzo.c
+++ b/fs/btrfs/lzo.c
@@ -55,7 +55,7 @@ static struct list_head *lzo_alloc_workspace(void)
                return ERR_PTR(-ENOMEM);
 
        workspace->mem = vmalloc(LZO1X_MEM_COMPRESS);
-       workspace->buf = vmalloc(lzo1x_worst_compress(PAGE_CACHE_SIZE));
+       workspace->buf = vmalloc(PAGE_CACHE_SIZE);
        workspace->cbuf = vmalloc(lzo1x_worst_compress(PAGE_CACHE_SIZE));
        if (!workspace->mem || !workspace->buf || !workspace->cbuf)
                goto fail;
@@ -349,7 +349,7 @@ cont:
                        }
                }
 
-               out_len = lzo1x_worst_compress(PAGE_CACHE_SIZE);
+               out_len = PAGE_CACHE_SIZE;
                ret = lzo1x_decompress_safe(buf, in_len, workspace->buf,
                                            &out_len);
                if (need_unmap)
-- 
1.8.0.3

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