[XFS] remove some dead code from pagebuf

SGI-PV: 934766
SGI-Modid: xfs-linux:xfs-kern:197783a

Signed-off-by: Christoph Hellwig <hch@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>

2 files changed, 0 insertions, 37 deletions

diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index fba40cbdbcf1..f43689754dae 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -700,25 +700,6 @@ xfs_buf_read_flags(
 }
 
 /*
- * Create a skeletal pagebuf (no pages associated with it).
- */
-xfs_buf_t *
-pagebuf_lookup(
-        xfs_buftarg_t           *target,
-        loff_t                  ioff,
-        size_t                  isize,
-        page_buf_flags_t        flags)
-{
-        xfs_buf_t               *pb;
-
-        pb = pagebuf_allocate(flags);
-        if (pb) {
-                _pagebuf_initialize(pb, target, ioff, isize, flags);
-        }
-        return pb;
-}
-
-/*
  * If we are not low on memory then do the readahead in a deadlock
  * safe manner.
  */
@@ -891,17 +872,6 @@ pagebuf_rele(
 
         PB_TRACE(pb, "rele", pb->pb_relse);
 
-        /*
-         * pagebuf_lookup buffers are not hashed, not delayed write,
-         * and don't have their own release routines.  Special case.
-         */
-        if (unlikely(!hash)) {
-                ASSERT(!pb->pb_relse);
-                if (atomic_dec_and_test(&pb->pb_hold))
-                        xfs_buf_free(pb);
-                return;
-        }
-
         if (atomic_dec_and_lock(&pb->pb_hold, &hash->bh_lock)) {
                 int             do_free = 1;
 
diff --git a/fs/xfs/linux-2.6/xfs_buf.h b/fs/xfs/linux-2.6/xfs_buf.h
index 3f8f69a66aea..c322e9d71f3d 100644
--- a/fs/xfs/linux-2.6/xfs_buf.h
+++ b/fs/xfs/linux-2.6/xfs_buf.h
@@ -206,13 +206,6 @@ extern xfs_buf_t *xfs_buf_read_flags(	/* allocate and read a buffer	*/
 #define xfs_buf_read(target, blkno, len, flags) \
         xfs_buf_read_flags((target), (blkno), (len), PBF_LOCK | PBF_MAPPED)
 
-extern xfs_buf_t *pagebuf_lookup(
-                xfs_buftarg_t *,
-                loff_t,                 /* starting offset of range     */
-                size_t,                 /* length of range              */
-                page_buf_flags_t);      /* PBF_READ, PBF_WRITE,         */
-                                        /* PBF_FORCEIO,                 */
-
 extern xfs_buf_t *pagebuf_get_empty(    /* allocate pagebuf struct with */
                                         /*  no memory or disk address   */
                 size_t len,