30 lines
992 B
Plaintext
30 lines
992 B
Plaintext
* cleanup, add more error checking, get rid of BUG_ONs
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* Fix ENOSPC handling
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* Add block mapping tree (simple dm layer)
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* Make allocator smarter
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* add a block group to struct inode
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* Make sure nobh stuff is working properly for cows
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* Do actual block accounting
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* Check compat and incompat flags on the inode
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* Add virtual filesystems, mountable snapshots
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* Get rid of struct ctree_path, limiting tree levels held at one time
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* EEXIST for dirs instead of hash overflow
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* Release
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* Do real tree locking
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* Add extent mirroring (backup copies of blocks)
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* Add fancy interface to get access to incremental backups
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* Add fancy striped extents to make big reads faster
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* Use relocation to try and fix write errors
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* Make allocator much smarter
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* xattrs (directory streams for regular files)
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* fsck
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* Scrub & defrag
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---
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metata FS ideas:
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mount metadata FS on /sys/fs/btrfs/dev/
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subvolumes in /sys/fs/btrfs/dev/fs/
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snapshots in /sys/fs/btrfs/dev/fs/snapshots
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mount -o bind
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ioctl to create a snapshot
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