[XFS] Remove the xfs_refcache

Remove the xfs_refcache, it was only needed while we were still
building for 2.4 kernels.

SGI-PV: 971186
SGI-Modid: xfs-linux-melb:xfs-kern:30472a

Signed-off-by: Donald Douwsma <donaldd@sgi.com>
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>

1 files changed, 1 insertions, 33 deletions

diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c
index ce82a2d0acbe..35ac59dabf8b 100644
--- a/fs/xfs/xfs_vnodeops.c
+++ b/fs/xfs/xfs_vnodeops.c
@@ -48,7 +48,6 @@
 #include "xfs_quota.h"
 #include "xfs_utils.h"
 #include "xfs_rtalloc.h"
-#include "xfs_refcache.h"
 #include "xfs_trans_space.h"
 #include "xfs_log_priv.h"
 #include "xfs_filestream.h"
@@ -1520,12 +1519,6 @@ xfs_release(
                         xfs_flush_pages(ip, 0, -1, XFS_B_ASYNC, FI_NONE);
         }
 
-#ifdef HAVE_REFCACHE
-        /* If we are in the NFS reference cache then don't do this now */
-        if (ip->i_refcache)
-                return 0;
-#endif
-
         if (ip->i_d.di_nlink != 0) {
                 if ((((ip->i_d.di_mode & S_IFMT) == S_IFREG) &&
                      ((ip->i_size > 0) || (VN_CACHED(vp) > 0 ||
@@ -2449,14 +2442,6 @@ xfs_remove(
         }
 
         /*
-         * Before we drop our extra reference to the inode, purge it
-         * from the refcache if it is there.  By waiting until afterwards
-         * to do the IRELE, we ensure that we won't go inactive in the
-         * xfs_refcache_purge_ip routine (although that would be OK).
-         */
-        xfs_refcache_purge_ip(ip);
-
-        /*
          * If we are using filestreams, kill the stream association.
          * If the file is still open it may get a new one but that
          * will get killed on last close in xfs_close() so we don't
@@ -2495,14 +2480,6 @@ xfs_remove(
         cancel_flags |= XFS_TRANS_ABORT;
         xfs_trans_cancel(tp, cancel_flags);
 
-        /*
-         * Before we drop our extra reference to the inode, purge it
-         * from the refcache if it is there.  By waiting until afterwards
-         * to do the IRELE, we ensure that we won't go inactive in the
-         * xfs_refcache_purge_ip routine (although that would be OK).
-         */
-        xfs_refcache_purge_ip(ip);
-
         IRELE(ip);
 
         goto std_return;
@@ -3460,16 +3437,7 @@ xfs_rwunlock(
 {
         if (S_ISDIR(ip->i_d.di_mode))
                 return;
-        if (locktype == VRWLOCK_WRITE) {
-                /*
-                 * In the write case, we may have added a new entry to
-                 * the reference cache.  This might store a pointer to
-                 * an inode to be released in this inode.  If it is there,
-                 * clear the pointer and release the inode after unlocking
-                 * this one.
-                 */
-                xfs_refcache_iunlock(ip, XFS_IOLOCK_EXCL);
-        } else {
+        if (locktype != VRWLOCK_WRITE) {
                 ASSERT((locktype == VRWLOCK_READ) ||
                        (locktype == VRWLOCK_WRITE_DIRECT));
                 xfs_iunlock(ip, XFS_IOLOCK_SHARED);