Btrfs: Remove unused variable 'last_index' in file.c
The variable 'last_index' is calculated in the __btrfs_buffered_write
function and passed as a parameter to the prepare_pages function,
but is not used anywhere in the prepare_pages function.
Remove instances of 'last_index' in these functions.
Signed-off-by: Mitch Harder <mitch.harder@sabayonlinux.org>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 7f134a7..010aec8 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1059,7 +1059,7 @@
static noinline int prepare_pages(struct btrfs_root *root, struct file *file,
struct page **pages, size_t num_pages,
loff_t pos, unsigned long first_index,
- unsigned long last_index, size_t write_bytes)
+ size_t write_bytes)
{
struct extent_state *cached_state = NULL;
int i;
@@ -1159,7 +1159,6 @@
struct btrfs_root *root = BTRFS_I(inode)->root;
struct page **pages = NULL;
unsigned long first_index;
- unsigned long last_index;
size_t num_written = 0;
int nrptrs;
int ret = 0;
@@ -1172,7 +1171,6 @@
return -ENOMEM;
first_index = pos >> PAGE_CACHE_SHIFT;
- last_index = (pos + iov_iter_count(i)) >> PAGE_CACHE_SHIFT;
while (iov_iter_count(i) > 0) {
size_t offset = pos & (PAGE_CACHE_SIZE - 1);
@@ -1206,8 +1204,7 @@
* contents of pages from loop to loop
*/
ret = prepare_pages(root, file, pages, num_pages,
- pos, first_index, last_index,
- write_bytes);
+ pos, first_index, write_bytes);
if (ret) {
btrfs_delalloc_release_space(inode,
num_pages << PAGE_CACHE_SHIFT);