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Yan Zheng a512bbf855 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>
 		2008-12-08 16:46:26 -05:00
..
COPYING Btrfs: add GPLv2 2007-06-12 09:07:21 -04:00
INSTALL Btrfs: Documentation update 2007-06-22 14:49:31 -04:00
Makefile Btrfs: Add zlib compression support 2008-10-29 14:49:59 -04:00
acl.c Btrfs: optimize btrget/set/removexattr 2008-09-25 11:04:07 -04:00
async-thread.c Btrfs: Check kthread_should_stop() before schedule() in worker_loop 2008-11-12 14:36:58 -05:00
async-thread.h Btrfs: Add ordered async work queues 2008-11-06 22:03:00 -05:00
btrfs_inode.h Btrfs: add and improve comments 2008-09-29 15:18:18 -04:00
compat.h Btrfs: compat code fixes 2008-11-20 10:22:27 -05:00
compression.c Btrfs: move data checksumming into a dedicated tree 2008-12-08 16:58:54 -05:00
compression.h Btrfs: Add zlib compression support 2008-10-29 14:49:59 -04:00
crc32c.h Btrfs: add and improve comments 2008-09-29 15:18:18 -04:00
ctree.c Btrfs: make things static and include the right headers 2008-12-02 09:54:17 -05:00
ctree.h Btrfs: move data checksumming into a dedicated tree 2008-12-08 16:58:54 -05:00
dir-item.c Btrfs: add and improve comments 2008-09-29 15:18:18 -04:00
disk-io.c Btrfs: superblock duplication 2008-12-08 16:46:26 -05:00
disk-io.h Btrfs: superblock duplication 2008-12-08 16:46:26 -05:00
export.c Remove Btrfs compat code for older kernels 2008-09-25 15:41:59 -04:00
export.h NFS support for btrfs - v3 2008-09-25 11:04:06 -04:00
extent-tree.c Btrfs: superblock duplication 2008-12-08 16:46:26 -05:00
extent_io.c Btrfs: move data checksumming into a dedicated tree 2008-12-08 16:58:54 -05:00
extent_io.h Btrfs: Optimize compressed writeback and reads 2008-11-06 22:02:51 -05:00
extent_map.c Btrfs: Add zlib compression support 2008-10-29 14:49:59 -04:00
extent_map.h Btrfs: Fix csum error for compressed data 2008-11-10 07:34:43 -05:00
file-item.c Btrfs: move data checksumming into a dedicated tree 2008-12-08 16:58:54 -05:00
file.c Btrfs: fix shadowed variable declarations 2008-12-02 06:36:09 -05:00
free-space-cache.c Btrfs: superblock duplication 2008-12-08 16:46:26 -05:00
hash.h Switch btrfs_name_hash() to crc32c 2008-09-25 11:04:06 -04:00
inode-item.c Btrfs: make things static and include the right headers 2008-12-02 09:54:17 -05:00
inode-map.c Btrfs: extent_map and data=ordered fixes for space balancing 2008-09-26 10:05:38 -04:00
inode.c Btrfs: move data checksumming into a dedicated tree 2008-12-08 16:58:54 -05:00
ioctl.c Btrfs: move data checksumming into a dedicated tree 2008-12-08 16:58:54 -05:00
ioctl.h Btrfs: Allow subvolumes and snapshots anywhere in the directory tree 2008-11-17 21:02:50 -05:00
locking.c Btrfs: add and improve comments 2008-09-29 15:18:18 -04:00
locking.h btrfs_search_slot: reduce lock contention by cowing in two stages 2008-09-25 11:04:06 -04:00
ordered-data.c Btrfs: move data checksumming into a dedicated tree 2008-12-08 16:58:54 -05:00
ordered-data.h Btrfs: move data checksumming into a dedicated tree 2008-12-08 16:58:54 -05:00
orphan.c Btrfs: Create orphan inode records to prevent lost files after a crash 2008-09-25 11:04:05 -04:00
print-tree.c Btrfs: Add zlib compression support 2008-10-29 14:49:59 -04:00
print-tree.h Btrfs: Create extent_buffer interface for large blocksizes 2008-09-25 11:03:56 -04:00
ref-cache.c Btrfs: add and improve comments 2008-09-29 15:18:18 -04:00
ref-cache.h Btrfs: add and improve comments 2008-09-29 15:18:18 -04:00
root-tree.c Btrfs: make things static and include the right headers 2008-12-02 09:54:17 -05:00
struct-funcs.c Btrfs: Fix sparse endian warnings in struct-funcs.c 2008-12-02 11:18:37 -05:00
super.c Btrfs: corret fmode_t annotations 2008-12-02 06:36:09 -05:00
sysfs.c Remove Btrfs compat code for older kernels 2008-09-25 15:41:59 -04:00
transaction.c Btrfs: superblock duplication 2008-12-08 16:46:26 -05:00
transaction.h Btrfs: Allow subvolumes and snapshots anywhere in the directory tree 2008-11-17 21:02:50 -05:00
tree-defrag.c Btrfs: nuke fs wide allocation mutex V2 2008-10-29 14:49:05 -04:00
tree-log.c Btrfs: superblock duplication 2008-12-08 16:46:26 -05:00
tree-log.h Btrfs: Add a write ahead tree log to optimize synchronous operations 2008-09-25 11:04:07 -04:00
version.h Update Btrfs files for in-kernel usage 2008-09-25 15:41:59 -04:00
version.sh Btrfs: Fixes for 2.6.28-rc API changes 2008-11-19 21:17:22 -05:00
volumes.c Btrfs: superblock duplication 2008-12-08 16:46:26 -05:00
volumes.h Btrfs: superblock duplication 2008-12-08 16:46:26 -05:00
xattr.c Btrfs: optimize btrget/set/removexattr 2008-09-25 11:04:07 -04:00
xattr.h Btrfs: optimize btrget/set/removexattr 2008-09-25 11:04:07 -04:00
zlib.c Btrfs: make things static and include the right headers 2008-12-02 09:54:17 -05:00