[patch 8/8] fs: use list_move()

From: Akinobu Mita
Date: Thu Mar 30 2006 - 03:15:39 EST


This patch converts the combination of list_del(A) and list_add(A, B)
to list_move(A, B) under fs/.

CC: Ian Kent <raven@xxxxxxxxxx>
CC: Joel Becker <joel.becker@xxxxxxxxxx>
CC: Neil Brown <neilb@xxxxxxxxxxxxxxx>
CC: Hans Reiser <reiserfs-dev@xxxxxxxxxxx>
CC: Urban Widmark <urban@xxxxxxxxxxxxxxx>
CC: David Howells <dhowells@xxxxxxxxxx>
CC: Mark Fasheh <mark.fasheh@xxxxxxxxxx>
Signed-off-by: Akinobu Mita <mita@xxxxxxxxxxxxxxxx>

fs/afs/cell.c | 3 +--
fs/afs/kafsasyncd.c | 9 +++------
fs/afs/server.c | 6 ++----
fs/afs/vlocation.c | 6 ++----
fs/afs/vnode.c | 3 +--
fs/autofs4/expire.c | 3 +--
fs/configfs/dir.c | 6 ++----
fs/jffs2/erase.c | 15 +++++----------
fs/jffs2/nodemgmt.c | 3 +--
fs/jffs2/wbuf.c | 3 +--
fs/nfsd/nfs4state.c | 3 +--
fs/nfsd/nfscache.c | 3 +--
fs/ocfs2/dlm/dlmast.c | 3 +--
fs/ocfs2/dlm/dlmconvert.c | 9 +++------
fs/ocfs2/dlm/dlmlock.c | 3 +--
fs/ocfs2/dlm/dlmrecovery.c | 9 +++------
fs/ocfs2/dlm/dlmthread.c | 6 ++----
fs/ocfs2/dlm/dlmunlock.c | 3 +--
fs/ocfs2/journal.c | 3 +--
fs/reiserfs/journal.c | 6 ++----
fs/smbfs/request.c | 6 ++----
fs/smbfs/smbiod.c | 3 +--
22 files changed, 38 insertions(+), 76 deletions(-)

Index: 2.6-git/fs/autofs4/expire.c
===================================================================
--- 2.6-git.orig/fs/autofs4/expire.c
+++ 2.6-git/fs/autofs4/expire.c
@@ -370,8 +370,7 @@ next:
DPRINTK("returning %p %.*s",
expired, (int)expired->d_name.len, expired->d_name.name);
spin_lock(&dcache_lock);
- list_del(&expired->d_parent->d_subdirs);
- list_add(&expired->d_parent->d_subdirs, &expired->d_u.d_child);
+ list_move(&expired->d_parent->d_subdirs, &expired->d_u.d_child);
spin_unlock(&dcache_lock);
return expired;
}
Index: 2.6-git/fs/configfs/dir.c
===================================================================
--- 2.6-git.orig/fs/configfs/dir.c
+++ 2.6-git/fs/configfs/dir.c
@@ -954,8 +954,7 @@ static int configfs_readdir(struct file
/* fallthrough */
default:
if (filp->f_pos == 2) {
- list_del(q);
- list_add(q, &parent_sd->s_children);
+ list_move(q, &parent_sd->s_children);
}
for (p=q->next; p!= &parent_sd->s_children; p=p->next) {
struct configfs_dirent *next;
@@ -978,8 +977,7 @@ static int configfs_readdir(struct file
dt_type(next)) < 0)
return 0;

- list_del(q);
- list_add(q, p);
+ list_move(q, p);
p = q;
filp->f_pos++;
}
Index: 2.6-git/fs/nfsd/nfs4state.c
===================================================================
--- 2.6-git.orig/fs/nfsd/nfs4state.c
+++ 2.6-git/fs/nfsd/nfs4state.c
@@ -482,8 +482,7 @@ move_to_confirmed(struct nfs4_client *cl

dprintk("NFSD: move_to_confirm nfs4_client %p\n", clp);
list_del_init(&clp->cl_strhash);
- list_del_init(&clp->cl_idhash);
- list_add(&clp->cl_idhash, &conf_id_hashtbl[idhashval]);
+ list_move(&clp->cl_idhash, &conf_id_hashtbl[idhashval]);
strhashval = clientstr_hashval(clp->cl_recdir);
list_add(&clp->cl_strhash, &conf_str_hashtbl[strhashval]);
renew_client(clp);
Index: 2.6-git/fs/nfsd/nfscache.c
===================================================================
--- 2.6-git.orig/fs/nfsd/nfscache.c
+++ 2.6-git/fs/nfsd/nfscache.c
@@ -103,8 +103,7 @@ nfsd_cache_shutdown(void)
static void
lru_put_end(struct svc_cacherep *rp)
{
- list_del(&rp->c_lru);
- list_add_tail(&rp->c_lru, &lru_head);
+ list_move_tail(&rp->c_lru, &lru_head);
}

/*
Index: 2.6-git/fs/reiserfs/journal.c
===================================================================
--- 2.6-git.orig/fs/reiserfs/journal.c
+++ 2.6-git/fs/reiserfs/journal.c
@@ -834,8 +834,7 @@ static int write_ordered_buffers(spinloc
get_bh(bh);
if (test_set_buffer_locked(bh)) {
if (!buffer_dirty(bh)) {
- list_del_init(&jh->list);
- list_add(&jh->list, &tmp);
+ list_move(&jh->list, &tmp);
goto loop_next;
}
spin_unlock(lock);
@@ -855,8 +854,7 @@ static int write_ordered_buffers(spinloc
ret = -EIO;
}
if (buffer_dirty(bh)) {
- list_del_init(&jh->list);
- list_add(&jh->list, &tmp);
+ list_move(&jh->list, &tmp);
add_to_chunk(&chunk, bh, lock, write_ordered_chunk);
} else {
reiserfs_free_jh(bh);
Index: 2.6-git/fs/smbfs/request.c
===================================================================
--- 2.6-git.orig/fs/smbfs/request.c
+++ 2.6-git/fs/smbfs/request.c
@@ -398,8 +398,7 @@ static int smb_request_send_req(struct s
if (!(req->rq_flags & SMB_REQ_TRANSMITTED))
goto out;

- list_del_init(&req->rq_queue);
- list_add_tail(&req->rq_queue, &server->recvq);
+ list_move_tail(&req->rq_queue, &server->recvq);
result = 1;
out:
return result;
@@ -433,8 +432,7 @@ int smb_request_send_server(struct smb_s
result = smb_request_send_req(req);
if (result < 0) {
server->conn_error = result;
- list_del_init(&req->rq_queue);
- list_add(&req->rq_queue, &server->xmitq);
+ list_move(&req->rq_queue, &server->xmitq);
result = -EIO;
goto out;
}
Index: 2.6-git/fs/smbfs/smbiod.c
===================================================================
--- 2.6-git.orig/fs/smbfs/smbiod.c
+++ 2.6-git/fs/smbfs/smbiod.c
@@ -183,8 +183,7 @@ int smbiod_retry(struct smb_sb_info *ser
if (req->rq_flags & SMB_REQ_RETRY) {
/* must move the request to the xmitq */
VERBOSE("retrying request %p on recvq\n", req);
- list_del(&req->rq_queue);
- list_add(&req->rq_queue, &server->xmitq);
+ list_move(&req->rq_queue, &server->xmitq);
continue;
}
#endif
Index: 2.6-git/fs/afs/cell.c
===================================================================
--- 2.6-git.orig/fs/afs/cell.c
+++ 2.6-git/fs/afs/cell.c
@@ -413,8 +413,7 @@ int afs_server_find_by_peer(const struct

/* we found it in the graveyard - resurrect it */
found_dead_server:
- list_del(&server->link);
- list_add_tail(&server->link, &cell->sv_list);
+ list_move_tail(&server->link, &cell->sv_list);
afs_get_server(server);
afs_kafstimod_del_timer(&server->timeout);
spin_unlock(&cell->sv_gylock);
Index: 2.6-git/fs/afs/kafsasyncd.c
===================================================================
--- 2.6-git.orig/fs/afs/kafsasyncd.c
+++ 2.6-git/fs/afs/kafsasyncd.c
@@ -136,8 +136,7 @@ static int kafsasyncd(void *arg)
if (!list_empty(&kafsasyncd_async_attnq)) {
op = list_entry(kafsasyncd_async_attnq.next,
struct afs_async_op, link);
- list_del(&op->link);
- list_add_tail(&op->link,
+ list_move_tail(&op->link,
&kafsasyncd_async_busyq);
}

@@ -204,8 +203,7 @@ void afs_kafsasyncd_begin_op(struct afs_
init_waitqueue_entry(&op->waiter, kafsasyncd_task);
add_wait_queue(&op->call->waitq, &op->waiter);

- list_del(&op->link);
- list_add_tail(&op->link, &kafsasyncd_async_busyq);
+ list_move_tail(&op->link, &kafsasyncd_async_busyq);

spin_unlock(&kafsasyncd_async_lock);

@@ -223,8 +221,7 @@ void afs_kafsasyncd_attend_op(struct afs

spin_lock(&kafsasyncd_async_lock);

- list_del(&op->link);
- list_add_tail(&op->link, &kafsasyncd_async_attnq);
+ list_move_tail(&op->link, &kafsasyncd_async_attnq);

spin_unlock(&kafsasyncd_async_lock);

Index: 2.6-git/fs/afs/server.c
===================================================================
--- 2.6-git.orig/fs/afs/server.c
+++ 2.6-git/fs/afs/server.c
@@ -123,8 +123,7 @@ int afs_server_lookup(struct afs_cell *c
resurrect_server:
_debug("resurrecting server");

- list_del(&zombie->link);
- list_add_tail(&zombie->link, &cell->sv_list);
+ list_move_tail(&zombie->link, &cell->sv_list);
afs_get_server(zombie);
afs_kafstimod_del_timer(&zombie->timeout);
spin_unlock(&cell->sv_gylock);
@@ -168,8 +167,7 @@ void afs_put_server(struct afs_server *s
}

spin_lock(&cell->sv_gylock);
- list_del(&server->link);
- list_add_tail(&server->link, &cell->sv_graveyard);
+ list_move_tail(&server->link, &cell->sv_graveyard);

/* time out in 10 secs */
afs_kafstimod_add_timer(&server->timeout, 10 * HZ);
Index: 2.6-git/fs/afs/vlocation.c
===================================================================
--- 2.6-git.orig/fs/afs/vlocation.c
+++ 2.6-git/fs/afs/vlocation.c
@@ -326,8 +326,7 @@ int afs_vlocation_lookup(struct afs_cell
/* found in the graveyard - resurrect */
_debug("found in graveyard");
atomic_inc(&vlocation->usage);
- list_del(&vlocation->link);
- list_add_tail(&vlocation->link, &cell->vl_list);
+ list_move_tail(&vlocation->link, &cell->vl_list);
spin_unlock(&cell->vl_gylock);

afs_kafstimod_del_timer(&vlocation->timeout);
@@ -478,8 +477,7 @@ static void __afs_put_vlocation(struct a
}

/* move to graveyard queue */
- list_del(&vlocation->link);
- list_add_tail(&vlocation->link,&cell->vl_graveyard);
+ list_move_tail(&vlocation->link,&cell->vl_graveyard);

/* remove from pending timeout queue (refcounted if actually being
* updated) */
Index: 2.6-git/fs/afs/vnode.c
===================================================================
--- 2.6-git.orig/fs/afs/vnode.c
+++ 2.6-git/fs/afs/vnode.c
@@ -104,8 +104,7 @@ static void afs_vnode_finalise_status_up
vnode->cb_expiry * HZ);

spin_lock(&afs_cb_hash_lock);
- list_del(&vnode->cb_hash_link);
- list_add_tail(&vnode->cb_hash_link,
+ list_move_tail(&vnode->cb_hash_link,
&afs_cb_hash(server, &vnode->fid));
spin_unlock(&afs_cb_hash_lock);

Index: 2.6-git/fs/jffs2/erase.c
===================================================================
--- 2.6-git.orig/fs/jffs2/erase.c
+++ 2.6-git/fs/jffs2/erase.c
@@ -54,8 +54,7 @@ static void jffs2_erase_block(struct jff
if (!instr) {
printk(KERN_WARNING "kmalloc for struct erase_info in jffs2_erase_block failed. Refiling block for later\n");
spin_lock(&c->erase_completion_lock);
- list_del(&jeb->list);
- list_add(&jeb->list, &c->erase_pending_list);
+ list_move(&jeb->list, &c->erase_pending_list);
c->erasing_size -= c->sector_size;
c->dirty_size += c->sector_size;
jeb->dirty_size = c->sector_size;
@@ -87,8 +86,7 @@ static void jffs2_erase_block(struct jff
/* Erase failed immediately. Refile it on the list */
D1(printk(KERN_DEBUG "Erase at 0x%08x failed: %d. Refiling on erase_pending_list\n", jeb->offset, ret));
spin_lock(&c->erase_completion_lock);
- list_del(&jeb->list);
- list_add(&jeb->list, &c->erase_pending_list);
+ list_move(&jeb->list, &c->erase_pending_list);
c->erasing_size -= c->sector_size;
c->dirty_size += c->sector_size;
jeb->dirty_size = c->sector_size;
@@ -162,8 +160,7 @@ static void jffs2_erase_succeeded(struct
{
D1(printk(KERN_DEBUG "Erase completed successfully at 0x%08x\n", jeb->offset));
spin_lock(&c->erase_completion_lock);
- list_del(&jeb->list);
- list_add_tail(&jeb->list, &c->erase_complete_list);
+ list_move_tail(&jeb->list, &c->erase_complete_list);
spin_unlock(&c->erase_completion_lock);
/* Ensure that kupdated calls us again to mark them clean */
jffs2_erase_pending_trigger(c);
@@ -179,8 +176,7 @@ static void jffs2_erase_failed(struct jf
if (!jffs2_write_nand_badblock(c, jeb, bad_offset)) {
/* We'd like to give this block another try. */
spin_lock(&c->erase_completion_lock);
- list_del(&jeb->list);
- list_add(&jeb->list, &c->erase_pending_list);
+ list_move(&jeb->list, &c->erase_pending_list);
c->erasing_size -= c->sector_size;
c->dirty_size += c->sector_size;
jeb->dirty_size = c->sector_size;
@@ -192,8 +188,7 @@ static void jffs2_erase_failed(struct jf
spin_lock(&c->erase_completion_lock);
c->erasing_size -= c->sector_size;
c->bad_size += c->sector_size;
- list_del(&jeb->list);
- list_add(&jeb->list, &c->bad_list);
+ list_move(&jeb->list, &c->bad_list);
c->nr_erasing_blocks--;
spin_unlock(&c->erase_completion_lock);
wake_up(&c->erase_wait);
Index: 2.6-git/fs/jffs2/nodemgmt.c
===================================================================
--- 2.6-git.orig/fs/jffs2/nodemgmt.c
+++ 2.6-git/fs/jffs2/nodemgmt.c
@@ -207,8 +207,7 @@ static int jffs2_find_nextblock(struct j
struct jffs2_eraseblock *ejeb;

ejeb = list_entry(c->erasable_list.next, struct jffs2_eraseblock, list);
- list_del(&ejeb->list);
- list_add_tail(&ejeb->list, &c->erase_pending_list);
+ list_move_tail(&ejeb->list, &c->erase_pending_list);
c->nr_erasing_blocks++;
jffs2_erase_pending_trigger(c);
D1(printk(KERN_DEBUG "jffs2_find_nextblock: Triggering erase of erasable block at 0x%08x\n",
Index: 2.6-git/fs/jffs2/wbuf.c
===================================================================
--- 2.6-git.orig/fs/jffs2/wbuf.c
+++ 2.6-git/fs/jffs2/wbuf.c
@@ -382,8 +382,7 @@ static void jffs2_wbuf_recover(struct jf
if (first_raw == &jeb->first_node) {
jeb->last_node = NULL;
D1(printk(KERN_DEBUG "Failing block at %08x is now empty. Moving to erase_pending_list\n", jeb->offset));
- list_del(&jeb->list);
- list_add(&jeb->list, &c->erase_pending_list);
+ list_move(&jeb->list, &c->erase_pending_list);
c->nr_erasing_blocks++;
jffs2_erase_pending_trigger(c);
}
Index: 2.6-git/fs/ocfs2/dlm/dlmast.c
===================================================================
--- 2.6-git.orig/fs/ocfs2/dlm/dlmast.c
+++ 2.6-git/fs/ocfs2/dlm/dlmast.c
@@ -381,8 +381,7 @@ do_ast:
ret = DLM_NORMAL;
if (past->type == DLM_AST) {
/* do not alter lock refcount. switching lists. */
- list_del_init(&lock->list);
- list_add_tail(&lock->list, &res->granted);
+ list_move_tail(&lock->list, &res->granted);
mlog(0, "ast: adding to granted list... type=%d, "
"convert_type=%d\n", lock->ml.type, lock->ml.convert_type);
if (lock->ml.convert_type != LKM_IVMODE) {
Index: 2.6-git/fs/ocfs2/dlm/dlmconvert.c
===================================================================
--- 2.6-git.orig/fs/ocfs2/dlm/dlmconvert.c
+++ 2.6-git/fs/ocfs2/dlm/dlmconvert.c
@@ -231,8 +231,7 @@ switch_queues:

lock->ml.convert_type = type;
/* do not alter lock refcount. switching lists. */
- list_del_init(&lock->list);
- list_add_tail(&lock->list, &res->converting);
+ list_move_tail(&lock->list, &res->converting);

unlock_exit:
spin_unlock(&lock->spinlock);
@@ -248,8 +247,7 @@ void dlm_revert_pending_convert(struct d
struct dlm_lock *lock)
{
/* do not alter lock refcount. switching lists. */
- list_del_init(&lock->list);
- list_add_tail(&lock->list, &res->granted);
+ list_move_tail(&lock->list, &res->granted);
lock->ml.convert_type = LKM_IVMODE;
lock->lksb->flags &= ~(DLM_LKSB_GET_LVB|DLM_LKSB_PUT_LVB);
}
@@ -294,8 +292,7 @@ enum dlm_status dlmconvert_remote(struct
res->state |= DLM_LOCK_RES_IN_PROGRESS;
/* move lock to local convert queue */
/* do not alter lock refcount. switching lists. */
- list_del_init(&lock->list);
- list_add_tail(&lock->list, &res->converting);
+ list_move_tail(&lock->list, &res->converting);
lock->convert_pending = 1;
lock->ml.convert_type = type;

Index: 2.6-git/fs/ocfs2/dlm/dlmlock.c
===================================================================
--- 2.6-git.orig/fs/ocfs2/dlm/dlmlock.c
+++ 2.6-git/fs/ocfs2/dlm/dlmlock.c
@@ -239,8 +239,7 @@ static enum dlm_status dlmlock_remote(st
mlog(0, "%s: $RECOVERY lock for this node (%u) is "
"mastered by %u; got lock, manually granting (no ast)\n",
dlm->name, dlm->node_num, res->owner);
- list_del_init(&lock->list);
- list_add_tail(&lock->list, &res->granted);
+ list_move_tail(&lock->list, &res->granted);
}
spin_unlock(&res->spinlock);

Index: 2.6-git/fs/ocfs2/dlm/dlmrecovery.c
===================================================================
--- 2.6-git.orig/fs/ocfs2/dlm/dlmrecovery.c
+++ 2.6-git/fs/ocfs2/dlm/dlmrecovery.c
@@ -905,13 +905,11 @@ static void dlm_move_reco_locks_to_list(
mlog(0, "found lockres owned by dead node while "
"doing recovery for node %u. sending it.\n",
dead_node);
- list_del_init(&res->recovering);
- list_add_tail(&res->recovering, list);
+ list_move_tail(&res->recovering, list);
} else if (res->owner == DLM_LOCK_RES_OWNER_UNKNOWN) {
mlog(0, "found UNKNOWN owner while doing recovery "
"for node %u. sending it.\n", dead_node);
- list_del_init(&res->recovering);
- list_add_tail(&res->recovering, list);
+ list_move_tail(&res->recovering, list);
}
}
spin_unlock(&dlm->spinlock);
@@ -1529,8 +1527,7 @@ static int dlm_process_recovery_data(str

/* move the lock to its proper place */
/* do not alter lock refcount. switching lists. */
- list_del_init(&lock->list);
- list_add_tail(&lock->list, queue);
+ list_move_tail(&lock->list, queue);
spin_unlock(&res->spinlock);

mlog(0, "just reordered a local lock!\n");
Index: 2.6-git/fs/ocfs2/dlm/dlmthread.c
===================================================================
--- 2.6-git.orig/fs/ocfs2/dlm/dlmthread.c
+++ 2.6-git/fs/ocfs2/dlm/dlmthread.c
@@ -318,8 +318,7 @@ converting:

target->ml.type = target->ml.convert_type;
target->ml.convert_type = LKM_IVMODE;
- list_del_init(&target->list);
- list_add_tail(&target->list, &res->granted);
+ list_move_tail(&target->list, &res->granted);

BUG_ON(!target->lksb);
target->lksb->status = DLM_NORMAL;
@@ -380,8 +379,7 @@ blocked:
target->ml.type, target->ml.node);

// target->ml.type is already correct
- list_del_init(&target->list);
- list_add_tail(&target->list, &res->granted);
+ list_move_tail(&target->list, &res->granted);

BUG_ON(!target->lksb);
target->lksb->status = DLM_NORMAL;
Index: 2.6-git/fs/ocfs2/dlm/dlmunlock.c
===================================================================
--- 2.6-git.orig/fs/ocfs2/dlm/dlmunlock.c
+++ 2.6-git/fs/ocfs2/dlm/dlmunlock.c
@@ -271,8 +271,7 @@ void dlm_commit_pending_unlock(struct dl
void dlm_commit_pending_cancel(struct dlm_lock_resource *res,
struct dlm_lock *lock)
{
- list_del_init(&lock->list);
- list_add_tail(&lock->list, &res->granted);
+ list_move_tail(&lock->list, &res->granted);
lock->ml.convert_type = LKM_IVMODE;
}

Index: 2.6-git/fs/ocfs2/journal.c
===================================================================
--- 2.6-git.orig/fs/ocfs2/journal.c
+++ 2.6-git/fs/ocfs2/journal.c
@@ -222,8 +222,7 @@ void ocfs2_handle_add_inode(struct ocfs2
BUG_ON(!list_empty(&OCFS2_I(inode)->ip_handle_list));

OCFS2_I(inode)->ip_handle = handle;
- list_del(&(OCFS2_I(inode)->ip_handle_list));
- list_add_tail(&(OCFS2_I(inode)->ip_handle_list), &(handle->inode_list));
+ list_move_tail(&(OCFS2_I(inode)->ip_handle_list), &(handle->inode_list));
}

static void ocfs2_handle_unlock_inodes(struct ocfs2_journal_handle *handle)

--
-
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