[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>

1 files changed, 0 insertions, 44 deletions

diff --git a/fs/xfs/xfs_alloc_btree.c b/fs/xfs/xfs_alloc_btree.c
index d256b51f913d..4d44f03858b0 100644
--- a/fs/xfs/xfs_alloc_btree.c
+++ b/fs/xfs/xfs_alloc_btree.c
@@ -41,50 +41,6 @@
 #include "xfs_error.h"
 
 
-/*
- * Get the data from the pointed-to record.
- */
-int                                     /* error */
-xfs_alloc_get_rec(
-        xfs_btree_cur_t         *cur,   /* btree cursor */
-        xfs_agblock_t           *bno,   /* output: starting block of extent */
-        xfs_extlen_t            *len,   /* output: length of extent */
-        int                     *stat)  /* output: success/failure */
-{
-        xfs_alloc_block_t       *block; /* btree block */
-#ifdef DEBUG
-        int                     error;  /* error return value */
-#endif
-        int                     ptr;    /* record number */
-
-        ptr = cur->bc_ptrs[0];
-        block = XFS_BUF_TO_ALLOC_BLOCK(cur->bc_bufs[0]);
-#ifdef DEBUG
-        if ((error = xfs_btree_check_sblock(cur, block, 0, cur->bc_bufs[0])))
-                return error;
-#endif
-        /*
-         * Off the right end or left end, return failure.
-         */
-        if (ptr > be16_to_cpu(block->bb_numrecs) || ptr <= 0) {
-                *stat = 0;
-                return 0;
-        }
-        /*
-         * Point to the record and extract its data.
-         */
-        {
-                xfs_alloc_rec_t         *rec;   /* record data */
-
-                rec = XFS_ALLOC_REC_ADDR(block, ptr, cur);
-                *bno = be32_to_cpu(rec->ar_startblock);
-                *len = be32_to_cpu(rec->ar_blockcount);
-        }
-        *stat = 1;
-        return 0;
-}
-
-
 STATIC struct xfs_btree_cur *
 xfs_allocbt_dup_cursor(
         struct xfs_btree_cur    *cur)