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Merge pull request #379 from marineam/inodes

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disk_util: allocate the maximum number of usable inodes
This commit is contained in:
Michael Marineau 2015-02-11 17:33:09 -08:00
commit 5fdcb81ae9
1 changed files with 9 additions and 2 deletions
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11
build_library/disk_util
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@ -45,9 +45,10 @@ def LoadPartitionConfig(options):
valid_layout_keys = set((
'_comment', 'type', 'num', 'label', 'blocks', 'block_size', 'fs_blocks',
'fs_block_size', 'fs_type', 'features', 'uuid', 'part_alignment', 'mount',
'binds', 'fs_subvolume'))
'binds', 'fs_subvolume', 'fs_bytes_per_inode', 'fs_inode_size'))
integer_layout_keys = set((
'blocks', 'block_size', 'fs_blocks', 'fs_block_size', 'part_alignment'))
'blocks', 'block_size', 'fs_blocks', 'fs_block_size', 'part_alignment',
'fs_bytes_per_inode', 'fs_inode_size'))
required_layout_keys = set(('type', 'num', 'label', 'blocks'))
filename = options.disk_layout_file
@ -108,6 +109,10 @@ def LoadPartitionConfig(options):
if part.get('fs_type', None) != 'btrfs':
raise InvalidLayout('Invalid fs: only btrfs supports subvolumes')
if 'fs_bytes_per_inode' in part or 'fs_inode_size' in part:
if part.get('fs_type', None) not in ('ext2', 'ext4'):
raise InvalidLayout('Invalid fs: only extX supports inode options')
def Align(count, alignment):
offset = count % alignment
if offset:
@ -393,6 +398,8 @@ def FormatExt(part, device):
Sudo(['mke2fs', '-q',
'-t', part['fs_type'],
'-b', part['fs_block_size'],
'-i', part.get('fs_bytes_per_inode', part['fs_block_size']),
'-I', part.get('fs_inode_size', 128),
device,
part['fs_blocks']])