diff options
Diffstat (limited to 'fs/exportfs/expfs.c')
-rw-r--r-- | fs/exportfs/expfs.c | 17 |
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 * | |||
74 | find_disconnected_root(struct dentry *dentry) | 74 | find_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 | * |