fs: dcache scale subdirs

[linux-flexiantxendom0-natty.git] / fs / ncpfs / ncplib_kernel.h

diff --git a/fs/ncpfs/ncplib_kernel.h b/fs/ncpfs/ncplib_kernel.h
index 244d1b7..c4b718f 100644 (file)
--- a/fs/ncpfs/ncplib_kernel.h
+++ b/fs/ncpfs/ncplib_kernel.h
@@ -194,6 +194,7 @@ ncp_renew_dentries(struct dentry *parent)
        struct dentry *dentry;
 
        spin_lock(&dcache_lock);
+       spin_lock(&parent->d_lock);
        next = parent->d_subdirs.next;
        while (next != &parent->d_subdirs) {
                dentry = list_entry(next, struct dentry, d_u.d_child);
@@ -205,6 +206,7 @@ ncp_renew_dentries(struct dentry *parent)
 
                next = next->next;
        }
+       spin_unlock(&parent->d_lock);
        spin_unlock(&dcache_lock);
 }
 
@@ -216,6 +218,7 @@ ncp_invalidate_dircache_entries(struct dentry *parent)
        struct dentry *dentry;
 
        spin_lock(&dcache_lock);
+       spin_lock(&parent->d_lock);
        next = parent->d_subdirs.next;
        while (next != &parent->d_subdirs) {
                dentry = list_entry(next, struct dentry, d_u.d_child);
@@ -223,6 +226,7 @@ ncp_invalidate_dircache_entries(struct dentry *parent)
                ncp_age_dentry(server, dentry);
                next = next->next;
        }
+       spin_unlock(&parent->d_lock);
        spin_unlock(&dcache_lock);
 }