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| author | Anand Jain <Anand.Jain@oracle.com> | 2018-02-15 07:29:38 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-07-09 10:36:29 +0300 |
| commit | e3c6933157099f8fa9da59dd4df38fcda54d7a47 (patch) | |
| tree | a7b59113f7faea674cecd3f917fc03c93aa39bf6 /fs | |
| parent | b74639caf40325e2e8eb5383aa601f894064f5d7 (diff) | |
| download | linux-e3c6933157099f8fa9da59dd4df38fcda54d7a47.tar.xz | |
btrfs: cow_file_range() num_bytes and disk_num_bytes are same
[ Upstream commit 3752d22fcea160cc2493e34f5e0e41cdd7fdd921 ]
This patch deletes local variable disk_num_bytes as its value
is same as num_bytes in the function cow_file_range().
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/inode.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 39ad582d72c4..a8ae9a070487 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -978,7 +978,6 @@ static noinline int cow_file_range(struct inode *inode, u64 alloc_hint = 0; u64 num_bytes; unsigned long ram_size; - u64 disk_num_bytes; u64 cur_alloc_size = 0; u64 blocksize = fs_info->sectorsize; struct btrfs_key ins; @@ -996,7 +995,6 @@ static noinline int cow_file_range(struct inode *inode, num_bytes = ALIGN(end - start + 1, blocksize); num_bytes = max(blocksize, num_bytes); - disk_num_bytes = num_bytes; inode_should_defrag(BTRFS_I(inode), start, end, num_bytes, SZ_64K); @@ -1023,15 +1021,14 @@ static noinline int cow_file_range(struct inode *inode, } } - BUG_ON(disk_num_bytes > - btrfs_super_total_bytes(fs_info->super_copy)); + BUG_ON(num_bytes > btrfs_super_total_bytes(fs_info->super_copy)); alloc_hint = get_extent_allocation_hint(inode, start, num_bytes); btrfs_drop_extent_cache(BTRFS_I(inode), start, start + num_bytes - 1, 0); - while (disk_num_bytes > 0) { - cur_alloc_size = disk_num_bytes; + while (num_bytes > 0) { + cur_alloc_size = num_bytes; ret = btrfs_reserve_extent(root, cur_alloc_size, cur_alloc_size, fs_info->sectorsize, 0, alloc_hint, &ins, 1, 1); @@ -1097,11 +1094,10 @@ static noinline int cow_file_range(struct inode *inode, delalloc_end, locked_page, EXTENT_LOCKED | EXTENT_DELALLOC, page_ops); - if (disk_num_bytes < cur_alloc_size) - disk_num_bytes = 0; + if (num_bytes < cur_alloc_size) + num_bytes = 0; else - disk_num_bytes -= cur_alloc_size; - num_bytes -= cur_alloc_size; + num_bytes -= cur_alloc_size; alloc_hint = ins.objectid + ins.offset; start += cur_alloc_size; extent_reserved = false; |