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54 Commits

Author SHA1 Message Date
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
1f3ba6a3f9 Btrfsck updates for multi-device filesystems 2008-03-24 15:04:37 -04:00
Chris Mason
510be29677 Add support for multiple devices per filesystem 2008-03-24 15:03:18 -04:00
Chris Mason
ba1efed418 btrfs_print_node: don't use btrfs_item_key_to_cpu on nodes 2008-01-07 15:25:48 -05:00
Yan
7777e63b42 Update btrfs-progs to match kernel sources 2008-01-04 10:38:22 -05:00
Chris Mason
fba66bd865 Add back pointers from the inode to the directory that referenced it 2007-12-12 14:39:36 -05:00
Chris Mason
4122e65cb2 Add back pointers from extents to the file or btree referencing them 2007-12-11 09:21:42 -05:00
Chris Mason
73372dcf8f Add generation numbers to block pointers 2007-12-09 13:46:24 -05:00
Josef Bacik
e3815ddde6 xattr support for btrfs-progs 2007-11-16 11:46:07 -05:00
Chris Mason
38f79f9077 Switch to byte granular allocations 2007-10-15 16:25:14 -04:00
Chris Mason
f12d799856 Allow large blocks 2007-10-15 16:24:39 -04:00
Chris Mason
8454d619a7 extra stats for btrfsck, link count in print-tree.c 2007-09-14 09:19:19 -04:00
Chris Mason
0528b69c15 add defrag ioctl 2007-08-07 16:15:59 -04:00
Chris Mason
d9f1317c7d add GPLv2 2007-06-12 09:07:11 -04:00
Chris Mason
38ef945266 printf cleanups 2007-06-12 08:08:04 -04:00
Chris Mason
b53a236c3e remove device tree 2007-06-09 09:22:37 -04:00
Chris Mason
9b25940b9d data vs metadata flag for block groups 2007-05-30 10:21:32 -04:00
Chris Mason
007e5efb9b allocator improvements, inode block groups 2007-04-30 15:25:49 -04:00
Chris Mason
5856b7e124 start of block group code 2007-04-26 16:46:06 -04:00
Chris Mason
10d06538f1 get rid of the extent_item type field 2007-04-24 12:09:01 -04:00
Chris Mason
2f2264fc2d add owner and type fields to the extents aand block headers 2007-04-20 20:23:29 -04:00
Chris Mason
07eb5008f3 bring back the inode number directory index 2007-04-19 15:41:24 -04:00
Chris Mason
eb3bd5da66 inline file data in extents 2007-04-19 13:38:02 -04:00
Chris Mason
8c973943bb key flag reorg 2007-04-18 16:15:47 -04:00
Chris Mason
8d1d13c786 rework csum and extent item ordering 2007-04-17 15:40:34 -04:00
Chris Mason
23218726a2 early work to file_write in big extents 2007-04-16 09:23:09 -04:00
Chris Mason
3eaaf935e5 add some support for multiple devices to progs 2007-04-12 12:14:47 -04:00
Chris Mason
d23ea8706c early support for multiple devices 2007-04-11 13:57:55 -04:00
Chris Mason
e52d2e2fa1 drop owner and parentid 2007-04-10 12:36:58 -04:00
Chris Mason
1b4ca380ed drop the inode map tree 2007-04-10 12:13:29 -04:00
Chris Mason
8accdae27a start of support for subvolumes 2007-04-06 15:39:12 -04:00
Chris Mason
6542904d95 dir inode index 2007-04-04 21:23:26 -04:00
Chris Mason
4d11434c12 update print-tree for inline data 2007-04-04 13:27:22 -04:00
Chris Mason
4200896a53 add file extents to print_leaf 2007-03-26 16:01:00 -04:00
Chris Mason
132db51b1f generations on headers 2007-03-26 11:24:42 -04:00
Chris Mason
8a2c8123c5 create a root dir in mkfs 2007-03-21 11:13:29 -04:00
Chris Mason
ab61081c6c change dir-test to insert inode_items 2007-03-20 15:57:25 -04:00
Chris Mason
099f1ae6e4 Add inode map, and the start of file extent items 2007-03-20 14:38:32 -04:00
Chris Mason
80fabe2ee0 add a name_len to dir items, reorder key 2007-03-16 08:46:49 -04:00
Chris Mason
e89de2d271 directory testing code and dir item fixes 2007-03-15 15:18:43 -04:00
Chris Mason
da99898c78 Use a chunk of the key flags to record the item type. 
Add (untested and simple) directory item code
Fix comp_keys to use the new key ordering
Add btrfs_insert_empty_item
 2007-03-15 12:56:47 -04:00
Chris Mason
c8afca944b reorder key offset and flags 2007-03-14 14:26:53 -04:00
Chris Mason
7a0a809b4c variable block size support 2007-03-14 14:14:43 -04:00
Chris Mason
942050de0e add leaf data casting helper 2007-03-14 10:31:29 -04:00
Chris Mason
d9c9960f8d Change the super to point to a tree of trees to enable persistent snapshots 2007-03-13 16:47:54 -04:00
Chris Mason
aa60202f13 rename funcs and structs to btrfs 2007-03-13 10:46:10 -04:00
Chris Mason
3192451f58 node->blockptrs endian fixes 2007-03-13 09:28:32 -04:00
Chris Mason
f6a88938c6 struct item endian fixes 2007-03-12 20:12:07 -04:00
Chris Mason
8e17fab249 get/set for struct header fields 2007-03-12 12:01:18 -04:00
Chris Mason
79b90e3fdf Fixup reference counting on cows 2007-03-06 20:08:01 -05:00