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authorChristoph Hellwig <hch@infradead.org>2007-08-30 17:20:39 +1000
committerTim Shimmin <tes@chook.melbourne.sgi.com>2007-10-16 11:44:08 +1000
commit745f691912b700ac98607b525f3c892204c7f12f (patch)
tree4988bdf45dec4bc9bffd432fc3e521b73836172f /fs/xfs/xfs_behavior.c
parent48c872a9f3ec4cdc37801aae9ef16c80026503ea (diff)
downloadlinux-745f691912b700ac98607b525f3c892204c7f12f.tar.bz2
[XFS] call common xfs vfs-level helpers directly and remove vfs operations
Also remove the now dead behavior code. SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29505a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_behavior.c')
-rw-r--r--fs/xfs/xfs_behavior.c183
1 files changed, 0 insertions, 183 deletions
diff --git a/fs/xfs/xfs_behavior.c b/fs/xfs/xfs_behavior.c
deleted file mode 100644
index 0dc17219d412..000000000000
--- a/fs/xfs/xfs_behavior.c
+++ /dev/null
@@ -1,183 +0,0 @@
-/*
- * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it would be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-#include "xfs.h"
-
-/*
- * Source file used to associate/disassociate behaviors with virtualized
- * objects. See xfs_behavior.h for more information about behaviors, etc.
- *
- * The implementation is split between functions in this file and macros
- * in xfs_behavior.h.
- */
-
-/*
- * Insert a new behavior descriptor into a behavior chain.
- *
- * The behavior chain is ordered based on the 'position' number which
- * lives in the first field of the ops vector (higher numbers first).
- *
- * Attempts to insert duplicate ops result in an EINVAL return code.
- * Otherwise, return 0 to indicate success.
- */
-int
-bhv_insert(bhv_head_t *bhp, bhv_desc_t *bdp)
-{
- bhv_desc_t *curdesc, *prev;
- int position;
-
- /*
- * Validate the position value of the new behavior.
- */
- position = BHV_POSITION(bdp);
- ASSERT(position >= BHV_POSITION_BASE && position <= BHV_POSITION_TOP);
-
- /*
- * Find location to insert behavior. Check for duplicates.
- */
- prev = NULL;
- for (curdesc = bhp->bh_first;
- curdesc != NULL;
- curdesc = curdesc->bd_next) {
-
- /* Check for duplication. */
- if (curdesc->bd_ops == bdp->bd_ops) {
- ASSERT(0);
- return EINVAL;
- }
-
- /* Find correct position */
- if (position >= BHV_POSITION(curdesc)) {
- ASSERT(position != BHV_POSITION(curdesc));
- break; /* found it */
- }
-
- prev = curdesc;
- }
-
- if (prev == NULL) {
- /* insert at front of chain */
- bdp->bd_next = bhp->bh_first;
- bhp->bh_first = bdp;
- } else {
- /* insert after prev */
- bdp->bd_next = prev->bd_next;
- prev->bd_next = bdp;
- }
-
- return 0;
-}
-
-/*
- * Remove a behavior descriptor from a position in a behavior chain;
- * the position is guaranteed not to be the first position.
- * Should only be called by the bhv_remove() macro.
- */
-void
-bhv_remove_not_first(bhv_head_t *bhp, bhv_desc_t *bdp)
-{
- bhv_desc_t *curdesc, *prev;
-
- ASSERT(bhp->bh_first != NULL);
- ASSERT(bhp->bh_first->bd_next != NULL);
-
- prev = bhp->bh_first;
- for (curdesc = bhp->bh_first->bd_next;
- curdesc != NULL;
- curdesc = curdesc->bd_next) {
-
- if (curdesc == bdp)
- break; /* found it */
- prev = curdesc;
- }
-
- ASSERT(curdesc == bdp);
- prev->bd_next = bdp->bd_next; /* remove from after prev */
-}
-
-/*
- * Looks for the first behavior within a specified range of positions.
- * Return the associated behavior descriptor. Or NULL, if none found.
- */
-bhv_desc_t *
-bhv_lookup_range(bhv_head_t *bhp, int low, int high)
-{
- bhv_desc_t *curdesc;
-
- for (curdesc = bhp->bh_first;
- curdesc != NULL;
- curdesc = curdesc->bd_next) {
-
- int position = BHV_POSITION(curdesc);
-
- if (position <= high) {
- if (position >= low)
- return curdesc;
- return NULL;
- }
- }
-
- return NULL;
-}
-
-/*
- * Return the base behavior in the chain, or NULL if the chain
- * is empty.
- *
- * The caller has not read locked the behavior chain, so acquire the
- * lock before traversing the chain.
- */
-bhv_desc_t *
-bhv_base(bhv_head_t *bhp)
-{
- bhv_desc_t *curdesc;
-
- for (curdesc = bhp->bh_first;
- curdesc != NULL;
- curdesc = curdesc->bd_next) {
-
- if (curdesc->bd_next == NULL) {
- return curdesc;
- }
- }
-
- return NULL;
-}
-
-void
-bhv_head_init(
- bhv_head_t *bhp,
- char *name)
-{
- bhp->bh_first = NULL;
-}
-
-void
-bhv_insert_initial(
- bhv_head_t *bhp,
- bhv_desc_t *bdp)
-{
- ASSERT(bhp->bh_first == NULL);
- (bhp)->bh_first = bdp;
-}
-
-void
-bhv_head_destroy(
- bhv_head_t *bhp)
-{
- ASSERT(bhp->bh_first == NULL);
-}