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13 Commits (4d1d3a59d6debe80ce1e2da60e82233ab8f1f886)

Author SHA1 Message Date
Yan Zheng 4d1d3a59d6 update btrfs-progs for seed device support 
This patch does the following:

1) Update device management code to match the kernel code.

2) Allocator fixes.

3) Add a program called btrfstune to set/clear the SEEDING
   super block flags.
 2008-11-18 10:40:06 -05:00
Chris Mason 8bfbb6b6f8 Update the Ext3 converter 
The main changes in this patch are adding chunk handing and data relocation
ability. In the last step of conversion, the converter relocates data in system
chunk and move chunk tree into system chunk. In the rollback process, the
converter remove chunk tree from system chunk and copy data back.

Regards
YZ
---
 2008-04-22 14:06:56 -04:00
Chris Mason 358564890a Add a command to show all of the btrfs filesystems on the box (btrfs-show) 2008-04-22 14:06:31 -04:00
Chris Mason 951fd7371c Add chunk uuids and update multi-device back references 
Block headers now store the chunk tree uuid

Chunk items records the device uuid for each stripes

Device extent items record better back refs to the chunk tree

Block groups record better back refs to the chunk tree

The chunk tree format has also changed.  The objectid of BTRFS_CHUNK_ITEM_KEY
used to be the logical offset of the chunk.  Now it is a chunk tree id,
with the logical offset being stored in the offset field of the key.

This allows a single chunk tree to record multiple logical address spaces,
upping the number of bytes indexed by a chunk tree from 2^64 to
2^128.
 2008-04-15 15:42:08 -04:00
Chris Mason d1b04c2112 Write all super blocks during commit 2008-04-10 16:22:00 -04:00
Chris Mason fd2d0af0bf Retry metadata reads in the face of checksum failures 2008-04-09 16:28:12 -04:00
Chris Mason 1b74adf90b Change btrfs_map_block to return a structure with mappings for all stripes 2008-04-09 16:28:12 -04:00
Chris Mason a6de0bd778 Add mirroring support across multiple drives 2008-04-03 16:35:48 -04:00
Chris Mason 0dcfa3b827 Walk all block devices looking for btrfs 2008-03-24 15:05:44 -04:00
Chris Mason 26afd0f31d ioctls to scan for btrfs filesystems 2008-03-24 15:04:49 -04:00
Chris Mason 1f3ba6a3f9 Btrfsck updates for multi-device filesystems 2008-03-24 15:04:37 -04:00
Chris Mason d12d4c7203 Dynamic chunk allocation 2008-03-24 15:03:58 -04:00
Chris Mason 510be29677 Add support for multiple devices per filesystem 2008-03-24 15:03:18 -04:00