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4 Commits

Author SHA1 Message Date
Ryusuke Konishi
05d0e94b66 nilfs2: get rid of nilfs_bmap_union 
This removes nilfs_bmap_union and finally unifies three structures and
the union in bmap/btree code into one.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
 2010-07-23 10:02:14 +09:00
Ryusuke Konishi
355c6b6103 nilfs2: remove nilfs_direct_operations from direct mapping 
will remove indirect function calls using nilfs_direct_operations
table.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
 2009-06-10 23:41:11 +09:00
Ryusuke Konishi
3033342a0b nilfs2: remove useless b_low and b_high fields from nilfs_bmap struct 
This will cut off 16 bytes from the nilfs_bmap struct which is
embedded in the on-memory inode of nilfs.

The b_high field was never used, and the b_low field stores a constant
value which can be determined by whether the inode uses btree for
block mapping or not.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
 2009-06-10 23:41:10 +09:00
Koji Sato
36a580eb48 nilfs2: direct block mapping 
This adds block mappings using direct pointers which are stored in the
i_bmap array of inode.

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>
 2009-04-07 08:31:13 -07:00