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[PATCH] core: use list_move() 

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

Cc: Greg Kroah-Hartman <gregkh@suse.de>
Cc: Ram Pai <linuxram@us.ibm.com>
Signed-off-by: Akinobu Mita <mita@miraclelinux.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Akinobu Mita 2006-06-26 00:24:40 -07:00 committed by Linus Torvalds
parent a7addcea6a
commit 1bfba4e8ea
8 changed files with 22 additions and 38 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/base/power/resume.c
View File

@ -53,8 +53,7 @@ void dpm_resume(void)
struct device * dev = to_device(entry);
get_device(dev);
list_del_init(entry);
list_add_tail(entry, &dpm_active);
list_move_tail(entry, &dpm_active);
up(&dpm_list_sem);
if (!dev->power.prev_state.event)
@ -101,8 +100,7 @@ void dpm_power_up(void)
struct device * dev = to_device(entry);
get_device(dev);
list_del_init(entry);
list_add_tail(entry, &dpm_active);
list_move_tail(entry, &dpm_active);
resume_device(dev);
put_device(dev);
}

13
drivers/base/power/suspend.c
View File

@ -116,12 +116,10 @@ int device_suspend(pm_message_t state)
/* Check if the device got removed */
if (!list_empty(&dev->power.entry)) {
/* Move it to the dpm_off or dpm_off_irq list */
if (!error) {
list_del(&dev->power.entry);
list_add(&dev->power.entry, &dpm_off);
} else if (error == -EAGAIN) {
list_del(&dev->power.entry);
list_add(&dev->power.entry, &dpm_off_irq);
if (!error)
list_move(&dev->power.entry, &dpm_off);
else if (error == -EAGAIN) {
list_move(&dev->power.entry, &dpm_off_irq);
error = 0;
}
}
@ -139,8 +137,7 @@ int device_suspend(pm_message_t state)
*/
while (!list_empty(&dpm_off_irq)) {
struct list_head * entry = dpm_off_irq.next;
list_del(entry);
list_add(entry, &dpm_off);
list_move(entry, &dpm_off);
}
dpm_resume();
}

3
fs/dcache.c
View File

@ -522,8 +522,7 @@ void shrink_dcache_sb(struct super_block * sb)
dentry = list_entry(tmp, struct dentry, d_lru);
if (dentry->d_sb != sb)
continue;
list_del(tmp);
list_add(tmp, &dentry_unused);
list_move(tmp, &dentry_unused);
}
/*

10
fs/libfs.c
View File

@ -149,10 +149,9 @@ int dcache_readdir(struct file * filp, void * dirent, filldir_t filldir)
/* fallthrough */
default:
spin_lock(&dcache_lock);
if (filp->f_pos == 2) {
list_del(q);
list_add(q, &dentry->d_subdirs);
}
if (filp->f_pos == 2)
list_move(q, &dentry->d_subdirs);
for (p=q->next; p != &dentry->d_subdirs; p=p->next) {
struct dentry *next;
next = list_entry(p, struct dentry, d_u.d_child);
@ -164,8 +163,7 @@ int dcache_readdir(struct file * filp, void * dirent, filldir_t filldir)
return 0;
spin_lock(&dcache_lock);
/* next is still alive */
list_del(q);
list_add(q, p);
list_move(q, p);
p = q;
filp->f_pos++;
}

6
fs/namespace.c
View File

@ -526,10 +526,8 @@ void umount_tree(struct vfsmount *mnt, int propagate, struct list_head *kill)
{
struct vfsmount *p;
for (p = mnt; p; p = next_mnt(p, mnt)) {
list_del(&p->mnt_hash);
list_add(&p->mnt_hash, kill);
}
for (p = mnt; p; p = next_mnt(p, mnt))
list_move(&p->mnt_hash, kill);
if (propagate)
propagate_umount(kill);

9
fs/pnode.c
View File

@ -53,8 +53,7 @@ static int do_make_slave(struct vfsmount *mnt)
if (master) {
list_for_each_entry(slave_mnt, &mnt->mnt_slave_list, mnt_slave)
slave_mnt->mnt_master = master;
list_del(&mnt->mnt_slave);
list_add(&mnt->mnt_slave, &master->mnt_slave_list);
list_move(&mnt->mnt_slave, &master->mnt_slave_list);
list_splice(&mnt->mnt_slave_list, master->mnt_slave_list.prev);
INIT_LIST_HEAD(&mnt->mnt_slave_list);
} else {
@ -283,10 +282,8 @@ static void __propagate_umount(struct vfsmount *mnt)
* umount the child only if the child has no
* other children
*/
if (child && list_empty(&child->mnt_mounts)) {
list_del(&child->mnt_hash);
list_add_tail(&child->mnt_hash, &mnt->mnt_hash);
}
if (child && list_empty(&child->mnt_mounts))
list_move_tail(&child->mnt_hash, &mnt->mnt_hash);
}
}

10
fs/sysfs/dir.c
View File

@ -430,10 +430,9 @@ static int sysfs_readdir(struct file * filp, void * dirent, filldir_t filldir)
i++;
/* fallthrough */
default:
if (filp->f_pos == 2) {
list_del(q);
list_add(q, &parent_sd->s_children);
}
if (filp->f_pos == 2)
list_move(q, &parent_sd->s_children);
for (p=q->next; p!= &parent_sd->s_children; p=p->next) {
struct sysfs_dirent *next;
const char * name;
@ -455,8 +454,7 @@ static int sysfs_readdir(struct file * filp, void * dirent, filldir_t filldir)
dt_type(next)) < 0)
return 0;
list_del(q);
list_add(q, p);
list_move(q, p);
p = q;
filp->f_pos++;
}

3
mm/swap.c
View File

@ -86,8 +86,7 @@ int rotate_reclaimable_page(struct page *page)
zone = page_zone(page);
spin_lock_irqsave(&zone->lru_lock, flags);
if (PageLRU(page) && !PageActive(page)) {
list_del(&page->lru);
list_add_tail(&page->lru, &zone->inactive_list);
list_move_tail(&page->lru, &zone->inactive_list);
inc_page_state(pgrotated);
}
if (!test_clear_page_writeback(page))