Commit 13f0dd8f authored by Goldwyn Rodrigues's avatar Goldwyn Rodrigues Committed by David Sterba
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btrfs: use round_down while calculating start position in btrfs_dirty_pages() 



round_down looks prettier than the bit mask operations.

Reviewed-by: default avatarNikolay Borisov <nborisov@suse.com>
Reviewed-by: default avatarQu Wenruo <wqu@suse.com>
Signed-off-by: default avatarGoldwyn Rodrigues <rgoldwyn@suse.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 949b3273

fs/btrfs/file.c

+1 −1
Original line number Diff line number Diff line
@@ -474,7 +474,7 @@ int btrfs_dirty_pages(struct btrfs_inode *inode, struct page **pages, 
	loff_t isize = i_size_read(&inode->vfs_inode);

	unsigned int extra_bits = 0;



	start_pos = pos & ~((u64) fs_info->sectorsize - 1);

	start_pos = round_down(pos, fs_info->sectorsize);

	num_bytes = round_up(write_bytes + pos - start_pos,

			     fs_info->sectorsize);