Btrfs: reference counts on data extents
[linux-2.6-block.git] / fs / btrfs / TODO
CommitLineData
8e19f2cd
CM
1* cleanup, add more error checking, get rid of BUG_ONs
2* Make IO functions look more like the page cache
3* Fix ENOSPC handling
8e19f2cd 4* make a real mkfs and superblock
8e19f2cd 5* Do checksumming
d5719762 6* Use a real check instead of mark_buffer_dirty
8e19f2cd
CM
7* Define FS objects in terms of different item types
8* Add block mapping tree (simple dm layer)
9* Add simple tree locking (semaphore per tree)
10* Make allocator smarter
6407bf6d
CM
11* make level a field in header
12* add a block group to struct inode
dee26a9f 13* Make directory hashing work on 32 bit
6407bf6d 14* Make sure nobh stuff is working properly for cows
62e2749e 15* Do actual block accounting
1e1d2701 16* Check compat and incompat flags on the inode
8e19f2cd
CM
17* Add virtual filesystems, mountable snapshots
18* Get rid of struct ctree_path, limiting tree levels held at one time
19* Release
20* Do real tree locking
21* Add extent mirroring (backup copies of blocks)
22* Add fancy interface to get access to incremental backups
23* Add fancy striped extents to make big reads faster
24* Use relocation to try and fix write errors
25* Make allocator much smarter
26* xattrs (directory streams for regular files)
27* fsck
28* Scrub & defrag
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