[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 fba40cb..f436897 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -700,25 +700,6 @@
}
/*
- * 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 @@
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 3f8f69a..c322e9d 100644
--- a/fs/xfs/linux-2.6/xfs_buf.h
+++ b/fs/xfs/linux-2.6/xfs_buf.h
@@ -206,13 +206,6 @@
#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,