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| author | Christoph Hellwig <hch@infradead.org> | 2008-10-30 06:58:11 +0100 |
|---|---|---|
| committer | Lachlan McIlroy <lachlan@sgi.com> | 2008-10-30 06:58:11 +0100 |
| commit | 8cc938fe4237e50bea4aa557ed53b06de2319d49 (patch) | |
| tree | 1b9dd352d423a573d96d5b1b311286a39232ef5b /fs/xfs/xfs_ialloc.c | |
| parent | [XFS] implement generic xfs_btree_delete/delrec (diff) | |
| download | linux-8cc938fe4237e50bea4aa557ed53b06de2319d49.tar.xz linux-8cc938fe4237e50bea4aa557ed53b06de2319d49.zip | |
[XFS] implement generic xfs_btree_get_rec
Not really much reason to make it generic given that it's so small, but
this is the last non-method in xfs_alloc_btree.c and xfs_ialloc_btree.c,
so it makes the whole btree implementation more structured.
SGI-PV: 985583
SGI-Modid: xfs-linux-melb:xfs-kern:32206a
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.c')
| -rw-r--r-- | fs/xfs/xfs_ialloc.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c index f13f59b13cc8..c8a56c529642 100644 --- a/fs/xfs/xfs_ialloc.c +++ b/fs/xfs/xfs_ialloc.c @@ -192,6 +192,29 @@ xfs_inobt_update( } /* + * Get the data from the pointed-to record. + */ +int /* error */ +xfs_inobt_get_rec( + struct xfs_btree_cur *cur, /* btree cursor */ + xfs_agino_t *ino, /* output: starting inode of chunk */ + __int32_t *fcnt, /* output: number of free inodes */ + xfs_inofree_t *free, /* output: free inode mask */ + int *stat) /* output: success/failure */ +{ + union xfs_btree_rec *rec; + int error; + + error = xfs_btree_get_rec(cur, &rec, stat); + if (!error && *stat == 1) { + *ino = be32_to_cpu(rec->inobt.ir_startino); + *fcnt = be32_to_cpu(rec->inobt.ir_freecount); + *free = be64_to_cpu(rec->inobt.ir_free); + } + return error; +} + +/* * Allocate new inodes in the allocation group specified by agbp. * Return 0 for success, else error code. */ |