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| author |   Timofey Titovets <nefelim4ag@gmail.com> | 2017-10-03 18:06:01 +0300 |
|---|---|---|
| committer |   David Sterba <dsterba@suse.com> | 2017-10-30 12:27:58 +0100 |
| commit | 1170862d783a3b47e49a1506fe15fa074e35bbb5 (patch) | |
| tree | 44730667f94b2afa7835cefeedd0ff05973f7764 /fs/btrfs | |
| parent | btrfs: use appropriate replacements for __sb_{start,end}_write calls (diff) | |
| download | linux-dev-1170862d783a3b47e49a1506fe15fa074e35bbb5.tar.xz linux-dev-1170862d783a3b47e49a1506fe15fa074e35bbb5.zip | |
Btrfs: compress_file_range remove dead variable num_bytes
Remove dead assigment of num_bytes.
Also as num_bytes only used in the will_compress block as copy of
total_in just replace that with total_in and drop num_bytes entirely.
Signed-off-by: Timofey Titovets <nefelim4ag@gmail.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs')
| -rw-r--r-- | fs/btrfs/inode.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 2c08e0966082..aaf36f78fa07 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -458,7 +458,6 @@ static noinline void compress_file_range(struct inode *inode, { struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); struct btrfs_root *root = BTRFS_I(inode)->root; - u64 num_bytes; u64 blocksize = fs_info->sectorsize; u64 actual_end; u64 isize = i_size_read(inode); @@ -508,8 +507,6 @@ again: total_compressed = min_t(unsigned long, total_compressed, BTRFS_MAX_UNCOMPRESSED); - num_bytes = ALIGN(end - start + 1, blocksize); - num_bytes = max(blocksize, num_bytes); total_in = 0; ret = 0; @@ -625,7 +622,6 @@ cont: */ total_in = ALIGN(total_in, PAGE_SIZE); if (total_compressed + blocksize <= total_in) { - num_bytes = total_in; *num_added += 1; /* @@ -633,12 +629,12 @@ cont: * allocation on disk for these compressed pages, and * will submit them to the elevator. */ - add_async_extent(async_cow, start, num_bytes, + add_async_extent(async_cow, start, total_in, total_compressed, pages, nr_pages, compress_type); - if (start + num_bytes < end) { - start += num_bytes; + if (start + total_in < end) { + start += total_in; pages = NULL; cond_resched(); goto again; |