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-rw-r--r--fs/xfs/xfs_ialloc.c23
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.
*/