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| author | Christoph Hellwig <hch@infradead.org> | 2008-10-30 06:55:34 +0100 |
|---|---|---|
| committer | Lachlan McIlroy <lachlan@sgi.com> | 2008-10-30 06:55:34 +0100 |
| commit | 65f1eaeac0efc968797f3ac955b85ba3f5d4f9c8 (patch) | |
| tree | 149c010e3a1d4abb60021ed39d3972459f63d13d /fs/xfs/xfs_ialloc_btree.h | |
| parent | [XFS] add get_maxrecs btree operation (diff) | |
| download | linux-65f1eaeac0efc968797f3ac955b85ba3f5d4f9c8.tar.xz linux-65f1eaeac0efc968797f3ac955b85ba3f5d4f9c8.zip | |
[XFS] add helpers for addressing entities inside a btree block
Add new helpers in xfs_btree.c to find the record, key and block pointer
entries inside a btree block. To implement this genericly the
->get_maxrecs methods and two new xfs_btree_ops entries for the key and
record sizes are used. Also add a big comment describing how the
addressing inside a btree block works.
Note that these helpers are unused until users are introduced in the next
patches and this patch will thus cause some harmless compiler warnings.
SGI-PV: 985583
SGI-Modid: xfs-linux-melb:xfs-kern:32189a
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: Bill O'Donnell <billodo@sgi.com>
Signed-off-by: David Chinner <david@fromorbit.com>
Diffstat (limited to 'fs/xfs/xfs_ialloc_btree.h')
0 files changed, 0 insertions, 0 deletions