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fix: when formatting FAT32 volume properly clear root directory cluster

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This commit is contained in:
Rafał Harabień 2018-12-08 19:29:44 +01:00
parent 4727b170df
commit 647ca9252a
1 changed files with 1 additions and 1 deletions
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src/fs.rs
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@ -931,7 +931,7 @@ pub fn format_volume<T: ReadWriteSeek>(mut disk: T, options: FormatVolumeOptions
alloc_cluster(&mut fat_slice, fat_type, None, None, 1)? alloc_cluster(&mut fat_slice, fat_type, None, None, 1)?
}; };
assert!(root_dir_first_cluster == boot.bpb.root_dir_first_cluster); assert!(root_dir_first_cluster == boot.bpb.root_dir_first_cluster);
let first_data_sector = reserved_sectors as u32 + sectors_per_fat + root_dir_sectors; let first_data_sector = reserved_sectors as u32 + boot.bpb.sectors_per_all_fats() + root_dir_sectors;
let sectors_per_cluster = boot.bpb.sectors_per_cluster; let sectors_per_cluster = boot.bpb.sectors_per_cluster;
let root_dir_first_sector = let root_dir_first_sector =
((root_dir_first_cluster - RESERVED_FAT_ENTRIES) * sectors_per_cluster as u32) + first_data_sector; ((root_dir_first_cluster - RESERVED_FAT_ENTRIES) * sectors_per_cluster as u32) + first_data_sector;