62 lines
2.2 KiB
Plaintext
62 lines
2.2 KiB
Plaintext
git guidelines for gparted
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==========================
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Please do not commit directly to the git.gnome.org/gparted repository
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unless you have been given the green light to commit freely to
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gparted. When in doubt assume you haven't ;-).
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If you are a translator feel free to mark strings for translation, fix
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typos in the code, etc. I'd appreciate it if you would notify me of
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anything you've done.
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Please send patches for build & configure fixes too. I really appreciate
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your help, I just want to review these fixes before applying.
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!!WHENEVER YOU COMMIT, PLACE A COMMENT IN GIT!!
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even when it's only one character. =)
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Thanks,
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Curtis
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partition usage and unallocated space
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=====================================
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After addressing bug #499202 GParted now also displays unallocated space
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as well as used and unused space for recognised file systems. The
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unallocated space is shown graphically and the numeric figure is shown
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in the Information Dialog if it is greater than zero. Additionally a
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warning is reported if the unallocated space is considered too much.
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See the code and commit messages for more details.
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Worked example of partition and file system usage for a newly created
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jfs file system in a 200 MiB partition reporting a small amount of
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unallocated space:
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# sfdisk -s /dev/sda9
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204800
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# echo dm | jfs_debugfs /dev/sda9 | egrep 'Block Size:|dn_mapsize:|dn_nfree:'
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Aggregate Block Size: 4096
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[1] dn_mapsize: 0x0000000c6cb [9] dn_agheigth: 0
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[2] dn_nfree: 0x0000000c6a3 [10] dn_agwidth: 1
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Partition size = 204800 (1K blocks) = 409600 (512 byte sectors)
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FS size = 0x0c6cb (4K blocks)
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= 50891 (4K blocks) = 407128 (512 byte sectors)
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FS free = 0x0c6a3 (4K blocks)
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= 50851 (4K blocks) = 406808 (512 byte sectors)
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Calculation:
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size = ptn_size = 409600 = 200.00 MiB
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used = fs_size - fs_free = 407128 - 406808 = 320 = 160.00 KiB
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unused = fs_free = 406808 = 198.64 MiB
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unallocated = ptn_size - fs_size = 409600 - 407128 = 2472 = 1.21 MiB
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Figures displayed in the Information dialog:
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Size: 200.00 MiB
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Used: 160.00 KiB ( 0% )
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Unused: 198.64 MiB ( 99% )
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Unallocated: 1.21 MiB ( 1% )
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