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Subject[PATCH] btrfs: fix decompress buffer size
Date
lzo1x_1_compress() is unnecessarily used for allocating decompress buffer.

Signed-off-by: Kyungsik Lee <kyungsik.lee@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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