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ce4a71ee15
The member btrfs_fs_info::subpage_info stores the cached bitmap start position inside the merged bitmap. However in reality there is only one thing depending on the sectorsize, bitmap_nr_bits, which records the number of sectors that fit inside a page. The sequence of sub-bitmaps have fixed order, thus it's just a quick multiplication to calculate the start position of each sub-bitmaps. Signed-off-by: Qu Wenruo <wqu@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
1082 lines
31 KiB
1082 lines
31 KiB