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208 Commits (master)

Author SHA1 Message Date
Zheng Yan 428b7fa630 Full back reference support 
This patch makes the back reference system to explicit record the
location of parent node for all types of extents. The location of
parent node is placed into the offset field of backref key. Every
time a tree block is balanced, the back references for the affected
lower level extents are updated.
 2008-09-23 12:29:10 -04:00
Josef Bacik 0045e0dd70 btrfs-progs: add orphan support to print-tree 
This adds orphan support to print-tree so when debug_tree hits an orphan item it
will print out "orphan item" under it so you know what it is
 2008-07-30 09:15:02 -04:00
Josef Bacik 059c20b384 btrfs-progs new dir index support 2008-07-24 12:13:32 -04:00
Chris Mason 9a9bdd6047 Pass down the expected generation number when reading tree blocks 2008-05-12 13:51:24 -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 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
Chris Mason 7fe73148eb more 32 bit cleanups 2007-02-26 14:26:58 -05:00
Chris Mason ed0a072aca 32bit cleanups 2007-02-26 10:55:42 -05:00
Chris Mason 46db63cb16 u64 cleanups 2007-02-26 10:55:01 -05:00
Chris Mason 74556aa757 Break up ctree.c a little 
Extent fixes
 2007-02-24 06:24:44 -05:00