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| author | Chris Mason <chris.mason@oracle.com> | 2008-05-07 11:43:44 -0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 11:04:02 -0400 |
| commit | a061fc8da7b990faa41ca503e66faef3ecdeead0 (patch) | |
| tree | 0d3b5b6e4d2164d507d9a16d5b38d373592a5c8f /fs/btrfs/COPYING | |
| parent | 5d9cd9ecbf40b8bd5045a3c2f1feb35db6a12266 (diff) | |
| download | linux-a061fc8da7b990faa41ca503e66faef3ecdeead0.tar.gz linux-a061fc8da7b990faa41ca503e66faef3ecdeead0.tar.bz2 linux-a061fc8da7b990faa41ca503e66faef3ecdeead0.zip | |
Btrfs: Add support for online device removal
This required a few structural changes to the code that manages bdev pointers:
The VFS super block now gets an anon-bdev instead of a pointer to the
lowest bdev. This allows us to avoid swapping the super block bdev pointer
around at run time.
The code to read in the super block no longer goes through the extent
buffer interface. Things got ugly keeping the mapping constant.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/COPYING')
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