git.baikalelectronics.ru Git - kernel.git/commit

]> git.baikalelectronics.ru Git - kernel.git/commit

author	Yan Zheng <zheng.yan@oracle.com>
	Mon, 8 Dec 2008 21:46:26 +0000 (16:46 -0500)
committer	Chris Mason <chris.mason@oracle.com>
	Mon, 8 Dec 2008 21:46:26 +0000 (16:46 -0500)
commit	3c23e358ffcdac6f049c1e5c021df62c5c479686
tree	1b2cfcf4152e09f32a6cb0bcbd798d5dab2f5490	tree \| snapshot
parent	77f79a7e94f4dab5c0fd9b79dd936e92b4048e20	commit \| diff

Btrfs: superblock duplication

This patch implements superblock duplication. Superblocks
are stored at offset 16K, 64M and 256G on every devices.
Spaces used by superblocks are preserved by the allocator,
which uses a reverse mapping function to find the logical
addresses that correspond to superblocks. Thank you,

Signed-off-by: Yan Zheng <zheng.yan@oracle.com>

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fs/btrfs/disk-io.c		diff \| blob \| history
fs/btrfs/disk-io.h		diff \| blob \| history
fs/btrfs/extent-tree.c		diff \| blob \| history
fs/btrfs/free-space-cache.c		diff \| blob \| history
fs/btrfs/transaction.c		diff \| blob \| history
fs/btrfs/tree-log.c		diff \| blob \| history
fs/btrfs/volumes.c		diff \| blob \| history
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