btrfs/file.c: remove an unsed varialbe first_index

The commit b37392ea86 ("Btrfs: cleanup unnecessary parameter
and variant of prepare_pages()") makes it redundant.

Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: Shan Hai <haishan.bai@hotmail.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Shan Hai 2015-09-21 11:40:57 +08:00 committed by David Sterba
parent 9c170b2644
commit bb78915203

View file

@ -1469,7 +1469,6 @@ static noinline ssize_t __btrfs_buffered_write(struct file *file,
u64 release_bytes = 0;
u64 lockstart;
u64 lockend;
unsigned long first_index;
size_t num_written = 0;
int nrptrs;
int ret = 0;
@ -1485,8 +1484,6 @@ static noinline ssize_t __btrfs_buffered_write(struct file *file,
if (!pages)
return -ENOMEM;
first_index = pos >> PAGE_CACHE_SHIFT;
while (iov_iter_count(i) > 0) {
size_t offset = pos & (PAGE_CACHE_SIZE - 1);
size_t write_bytes = min(iov_iter_count(i),