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-rw-r--r--fs/btrfs/inode.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 8b9eac33d431..83bbe1e31869 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -430,7 +430,6 @@ static noinline void compress_file_range(struct inode *inode,
int ret = 0;
struct page **pages = NULL;
unsigned long nr_pages;
- unsigned long nr_pages_ret = 0;
unsigned long total_compressed = 0;
unsigned long total_in = 0;
unsigned long max_compressed = SZ_128K;
@@ -518,7 +517,7 @@ again:
ret = btrfs_compress_pages(compress_type,
inode->i_mapping, start,
pages,
- nr_pages, &nr_pages_ret,
+ &nr_pages,
&total_in,
&total_compressed,
max_compressed);
@@ -526,7 +525,7 @@ again:
if (!ret) {
unsigned long offset = total_compressed &
(PAGE_SIZE - 1);
- struct page *page = pages[nr_pages_ret - 1];
+ struct page *page = pages[nr_pages - 1];
char *kaddr;
/* zero the tail end of the last page, we might be
@@ -607,7 +606,7 @@ cont:
* will submit them to the elevator.
*/
add_async_extent(async_cow, start, num_bytes,
- total_compressed, pages, nr_pages_ret,
+ total_compressed, pages, nr_pages,
compress_type);
if (start + num_bytes < end) {
@@ -624,14 +623,14 @@ cont:
* the compression code ran but failed to make things smaller,
* free any pages it allocated and our page pointer array
*/
- for (i = 0; i < nr_pages_ret; i++) {
+ for (i = 0; i < nr_pages; i++) {
WARN_ON(pages[i]->mapping);
put_page(pages[i]);
}
kfree(pages);
pages = NULL;
total_compressed = 0;
- nr_pages_ret = 0;
+ nr_pages = 0;
/* flag the file so we don't compress in the future */
if (!btrfs_test_opt(fs_info, FORCE_COMPRESS) &&
@@ -660,7 +659,7 @@ cleanup_and_bail_uncompressed:
return;
free_pages_out:
- for (i = 0; i < nr_pages_ret; i++) {
+ for (i = 0; i < nr_pages; i++) {
WARN_ON(pages[i]->mapping);
put_page(pages[i]);
}