aboutsummaryrefslogtreecommitdiffstats
path: root/fs/exportfs/expfs.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/exportfs/expfs.c')
-rw-r--r--fs/exportfs/expfs.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/fs/exportfs/expfs.c b/fs/exportfs/expfs.c
index e9e175949a63..51b304056f10 100644
--- a/fs/exportfs/expfs.c
+++ b/fs/exportfs/expfs.c
@@ -74,21 +74,20 @@ static struct dentry *
74find_disconnected_root(struct dentry *dentry) 74find_disconnected_root(struct dentry *dentry)
75{ 75{
76 dget(dentry); 76 dget(dentry);
77 spin_lock(&dentry->d_lock); 77 while (!IS_ROOT(dentry)) {
78 while (!IS_ROOT(dentry) && 78 struct dentry *parent = dget_parent(dentry);
79 (dentry->d_parent->d_flags & DCACHE_DISCONNECTED)) { 79
80 struct dentry *parent = dentry->d_parent; 80 if (!(parent->d_flags & DCACHE_DISCONNECTED)) {
81 dget(parent); 81 dput(parent);
82 spin_unlock(&dentry->d_lock); 82 break;
83 }
84
83 dput(dentry); 85 dput(dentry);
84 dentry = parent; 86 dentry = parent;
85 spin_lock(&dentry->d_lock);
86 } 87 }
87 spin_unlock(&dentry->d_lock);
88 return dentry; 88 return dentry;
89} 89}
90 90
91
92/* 91/*
93 * Make sure target_dir is fully connected to the dentry tree. 92 * Make sure target_dir is fully connected to the dentry tree.
94 * 93 *