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Diffstat (limited to 'fs/dcache.c')
-rw-r--r--fs/dcache.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/fs/dcache.c b/fs/dcache.c
index d56a40b5a577..83293be48149 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1935,7 +1935,7 @@ static int prepend_path(const struct path *path, struct path *root,
bool slash = false;
int error = 0;
- spin_lock(&vfsmount_lock);
+ br_read_lock(vfsmount_lock);
while (dentry != root->dentry || vfsmnt != root->mnt) {
struct dentry * parent;
@@ -1964,7 +1964,7 @@ out:
if (!error && !slash)
error = prepend(buffer, buflen, "/", 1);
- spin_unlock(&vfsmount_lock);
+ br_read_unlock(vfsmount_lock);
return error;
global_root:
@@ -2302,11 +2302,12 @@ int path_is_under(struct path *path1, struct path *path2)
struct vfsmount *mnt = path1->mnt;
struct dentry *dentry = path1->dentry;
int res;
- spin_lock(&vfsmount_lock);
+
+ br_read_lock(vfsmount_lock);
if (mnt != path2->mnt) {
for (;;) {
if (mnt->mnt_parent == mnt) {
- spin_unlock(&vfsmount_lock);
+ br_read_unlock(vfsmount_lock);
return 0;
}
if (mnt->mnt_parent == path2->mnt)
@@ -2316,7 +2317,7 @@ int path_is_under(struct path *path1, struct path *path2)
dentry = mnt->mnt_mountpoint;
}
res = is_subdir(dentry, path2->dentry);
- spin_unlock(&vfsmount_lock);
+ br_read_unlock(vfsmount_lock);
return res;
}
EXPORT_SYMBOL(path_is_under);