[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>

diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index fba40cbdbcf1778424990bf42b636e44159bcff9..f43689754daefcc0512ec72afaa3328704aea93b 100644 (file)
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -699,25 +699,6 @@ xfs_buf_read_flags(
        return NULL;
 }
 
-/*
- * 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 3f8f69a66aeaba714b75a03a50c63b0fc6b59097..c322e9d71f3d005db880621cd111b6c40db25b41 100644 (file)
--- 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,