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path: root/fs/nilfs2/btree.c
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2009-06-10nilfs2: unify bmap operations starting use of indirect block addressRyusuke Konishi
This simplifies some low level functions of bmap. Three bmap pointer operations, nilfs_bmap_start_v(), nilfs_bmap_commit_v(), and nilfs_bmap_abort_v(), are unified into one nilfs_bmap_start_v() function. And the related indirect function calls are replaced with it. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
2009-04-07nilfs2: replace BUG_ON and BUG calls triggerable from ioctlRyusuke Konishi
Pekka Enberg advised me: > It would be nice if BUG(), BUG_ON(), and panic() calls would be > converted to proper error handling using WARN_ON() calls. The BUG() > call in nilfs_cpfile_delete_checkpoints(), for example, looks to be > triggerable from user-space via the ioctl() system call. This will follow the comment and keep them to a minimum. Acked-by: Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-07nilfs2: clean up indirect function calling conventionsPekka Enberg
This cleans up the strange indirect function calling convention used in nilfs to follow the normal kernel coding style. Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi> Acked-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-07nilfs2: B-tree based block mappingKoji Sato
This adds declarations and functions of NILFS2 B-tree. Two variants are integrated in the NILFS2 B-tree. The B-tree for the most files points to the child nodes or data blocks with virtual block addresses, whereas the B-tree of the DAT uses actual block addresses. Signed-off-by: Koji Sato <sato.koji@lab.ntt.co.jp> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>