leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

[XFS] Unwrap mru_lock.

Browse Source 
Un-obfuscate mru_lock, remove mutex_lock->spin_lock macros, call spin_lock
directly, remove extraneous cookie holdover from old xfs code.

SGI-PV: 970382
SGI-Modid: xfs-linux-melb:xfs-kern:29745a

Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
Signed-off-by: Donald Douwsma <donaldd@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
This commit is contained in:
Eric Sandeen 2007-10-11 17:42:10 +10:00 committed by Lachlan McIlroy
parent 703e1f0fd2
commit ba74d0cba5
1 changed files with 17 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
fs/xfs/xfs_mru_cache.c
View File

@ -245,7 +245,7 @@ _xfs_mru_cache_clear_reap_list(
*/
list_move(&elem->list_node, &tmp);
}
mutex_spinunlock(&mru->lock, 0);
spin_unlock(&mru->lock);
list_for_each_entry_safe(elem, next, &tmp, list_node) {
@ -259,7 +259,7 @@ _xfs_mru_cache_clear_reap_list(
kmem_zone_free(xfs_mru_elem_zone, elem);
}
mutex_spinlock(&mru->lock);
spin_lock(&mru->lock);
}
/*
@ -280,7 +280,7 @@ _xfs_mru_cache_reap(
if (!mru || !mru->lists)
return;
mutex_spinlock(&mru->lock);
spin_lock(&mru->lock);
next = _xfs_mru_cache_migrate(mru, jiffies);
_xfs_mru_cache_clear_reap_list(mru);
@ -294,7 +294,7 @@ _xfs_mru_cache_reap(
queue_delayed_work(xfs_mru_reap_wq, &mru->work, next);
}
mutex_spinunlock(&mru->lock, 0);
spin_unlock(&mru->lock);
}
int
@ -398,17 +398,17 @@ xfs_mru_cache_flush(
if (!mru || !mru->lists)
return;
mutex_spinlock(&mru->lock);
spin_lock(&mru->lock);
if (mru->queued) {
mutex_spinunlock(&mru->lock, 0);
spin_unlock(&mru->lock);
cancel_rearming_delayed_workqueue(xfs_mru_reap_wq, &mru->work);
mutex_spinlock(&mru->lock);
spin_lock(&mru->lock);
}
_xfs_mru_cache_migrate(mru, jiffies + mru->grp_count * mru->grp_time);
_xfs_mru_cache_clear_reap_list(mru);
mutex_spinunlock(&mru->lock, 0);
spin_unlock(&mru->lock);
}
void
@ -454,13 +454,13 @@ xfs_mru_cache_insert(
elem->key = key;
elem->value = value;
mutex_spinlock(&mru->lock);
spin_lock(&mru->lock);
radix_tree_insert(&mru->store, key, elem);
radix_tree_preload_end();
_xfs_mru_cache_list_insert(mru, elem);
mutex_spinunlock(&mru->lock, 0);
spin_unlock(&mru->lock);
return 0;
}
@ -483,14 +483,14 @@ xfs_mru_cache_remove(
if (!mru || !mru->lists)
return NULL;
mutex_spinlock(&mru->lock);
spin_lock(&mru->lock);
elem = radix_tree_delete(&mru->store, key);
if (elem) {
value = elem->value;
list_del(&elem->list_node);
}
mutex_spinunlock(&mru->lock, 0);
spin_unlock(&mru->lock);
if (elem)
kmem_zone_free(xfs_mru_elem_zone, elem);
@ -540,14 +540,14 @@ xfs_mru_cache_lookup(
if (!mru || !mru->lists)
return NULL;
mutex_spinlock(&mru->lock);
spin_lock(&mru->lock);
elem = radix_tree_lookup(&mru->store, key);
if (elem) {
list_del(&elem->list_node);
_xfs_mru_cache_list_insert(mru, elem);
}
else
mutex_spinunlock(&mru->lock, 0);
spin_unlock(&mru->lock);
return elem ? elem->value : NULL;
}
@ -571,10 +571,10 @@ xfs_mru_cache_peek(
if (!mru || !mru->lists)
return NULL;
mutex_spinlock(&mru->lock);
spin_lock(&mru->lock);
elem = radix_tree_lookup(&mru->store, key);
if (!elem)
mutex_spinunlock(&mru->lock, 0);
spin_unlock(&mru->lock);
return elem ? elem->value : NULL;
}
@ -588,5 +588,5 @@ void
xfs_mru_cache_done(
xfs_mru_cache_t *mru)
{
mutex_spinunlock(&mru->lock, 0);
spin_unlock(&mru->lock);
}