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| author | Nick Piggin <npiggin@kernel.dk> | 2011-01-07 07:49:38 +0100 |
|---|---|---|
| committer | Nick Piggin <npiggin@kernel.dk> | 2011-01-07 07:50:23 +0100 |
| commit | b5c84bf6f6fa3a7dfdcb556023a62953574b60ee (patch) | |
| tree | 7a2c299a180713e21d5cb653cb933121adf53c31 /kernel/cgroup.c | |
| parent | fs: Use rename lock and RCU for multi-step operations (diff) | |
| download | linux-b5c84bf6f6fa3a7dfdcb556023a62953574b60ee.tar.xz linux-b5c84bf6f6fa3a7dfdcb556023a62953574b60ee.zip | |
fs: dcache remove dcache_lock
dcache_lock no longer protects anything. remove it.
Signed-off-by: Nick Piggin <npiggin@kernel.dk>
Diffstat (limited to 'kernel/cgroup.c')
| -rw-r--r-- | kernel/cgroup.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 7b4705b51d4a..1864cb6a6a59 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -876,7 +876,6 @@ static void cgroup_clear_directory(struct dentry *dentry) struct list_head *node; BUG_ON(!mutex_is_locked(&dentry->d_inode->i_mutex)); - spin_lock(&dcache_lock); spin_lock(&dentry->d_lock); node = dentry->d_subdirs.next; while (node != &dentry->d_subdirs) { @@ -891,18 +890,15 @@ static void cgroup_clear_directory(struct dentry *dentry) dget_locked_dlock(d); spin_unlock(&d->d_lock); spin_unlock(&dentry->d_lock); - spin_unlock(&dcache_lock); d_delete(d); simple_unlink(dentry->d_inode, d); dput(d); - spin_lock(&dcache_lock); spin_lock(&dentry->d_lock); } else spin_unlock(&d->d_lock); node = dentry->d_subdirs.next; } spin_unlock(&dentry->d_lock); - spin_unlock(&dcache_lock); } /* @@ -914,14 +910,12 @@ static void cgroup_d_remove_dir(struct dentry *dentry) cgroup_clear_directory(dentry); - spin_lock(&dcache_lock); parent = dentry->d_parent; spin_lock(&parent->d_lock); spin_lock(&dentry->d_lock); list_del_init(&dentry->d_u.d_child); spin_unlock(&dentry->d_lock); spin_unlock(&parent->d_lock); - spin_unlock(&dcache_lock); remove_dir(dentry); } |